SIG Curtiss Jenny Instruction manual
Contents
1. The cabane struts are incorrectly identified in the video 28 13 Insert the cabanes into their precut openings on both sides of the fuseage Insert 12 mm 7 16 inch bolts through the predrilled holes in the fuselage and through each cabane Finger tighten a self locking nut on each bolt to loosely hold the bolts and cabanes to the fuselage 28 26 Stage the wing s struts The four 4 REAR struts are each 425 mm long and the four 4 FRONT struts are each 411 mm long ae ni E Position a front and a rear strut onto each of the four 4 preinstalled INNER wooden wing strut mounts two on each side on top of the lower wing With the shanks of four 4 12 mm 7 16 inch bolts pointing toward the fuselage insert and push each bolt fully PN through the four 4 INNER struts and wooden mounts Place a flat wing wire anchor on the end of each bolt projecting fron the side of each INNER strut Aim the free end of each flat wing tont strut toward the top of the rear strut and anchor in the direction of the tog opposite strut i e from the bas f iie hthe top of the front strut and tighten a self locking 9 36 from the base of the rear st nut onto each of these four 4 Position a fro a Teal tonto each of the four 4 preinstalled OUTER wooden wing strut m wing mounts nearest each lower wing panel s tip Chor fully onto each of four 4 12 mm 7 16 inch bolts Shown Fro2. ae f of the fuselage 5inches mee ya 5 inches Leading edge Two 2 of the large L brackets installed on the wing at the left side of the fuselage Trailing pis Guide the end of each aileron ser n 9 xtensior able out of the precut hole in the bottom of each top wing panel Insert and center the 22 mm diana 665 mm long upper wing joiner tube in the upper wing s center section Insert and center the 23 5 cm 91 4 it ong carbon fiber alignment shaft through the predrilled holes at the rear of the upper wing s center se t rivelant to the Apply a ary lubricant graphite or ec upper wing s jomer tu ide the left and right upper wing panels o uy ing joiner tube and the carbon fiber al ent shaft until each wing panel s e corresponding outer rib of the tion the bottom surfe ce mn the upper wing panels by inserting two l2 mm 7 16 inch wood screws through 6 3 4 inches each wing anchor and driving them securely into the predrilled holes Apply CA adhesive to harden the holes in the wood where the screws are inserted 33 25 2 1 2 Position the upper wing above the cabanes then inches carefully guide each preinstalled wooden wing strut and cabane mount fully into each corresponding strut and cabane 34 39 Attach a servo Y connector to the free ends of the two 2 servo extension cables Page 11 of 18 pages 6l 62 63 64 65 66 67 Secure the lower ends of the fo
3. connector NEVER charge through the discharge leads ALWAYS charge in a fireproof location NEVER place on combustible materials or leave unattended during charge or discharge 9 This model of the Curtis JN 4 Jenny includes carbon fiber fiber and fiberglass dust may cause eye skin and respwatory t parts always wear safety goggles a particle mask and rubber gloves and never blow into such parts to remove carbon fiber or fiberglass dust as the dust may bloy back our WAIVER AND RETURN POLICY oni fects in material and workmanship at the time of purchase All of our products have been inspected in our fa nd are checked again when shipped from our warehouse However Maxford USA cannot directly control any of the ou may use nor your final assembly process Therefore Maxford USA CANNOT in any way guarantee the performance of your finished model airplane Furthermore in purchasing this product you the buyer or user of this produ empt waive and relieve Maxford USA from all current or future liability for any personal injury property p E Ww gful death and if you the buyer or user of this product are involved in any claim or suit you will not su Maxford U SA orany of its representatives If you do not fully acci as explained in item 2 be WARRANTY LIA Maxford USA guarantees this kit to be free jc liability and waiver you may request a return merchandise authorizat
4. control horn then insert the end of this wire into the predrilled hole at the bottom of the right side of the rudder 09 04 Bring together the wire s two ends at the left side of the rudder and slide a crimp tube onto these two loose ends Insert the wire s ends into opposite sides of the hole in the rudder s left control horn Use pliers to pull the wire s ends to tighten the wire evenly across both sides of the rudder then use pliers to securely clamp the wires ends within the crimp tube 09 30 Trim cut off and discard the excess wire ends Using the two predrilled holes and preinstalled T nuts in the bottom rear of the fuselage gt _ attach the tail wheel s spring mount to the fuselage using the two 2 supplied 1 5 cm 5 8 inch bolts a Secure each bolt into its T nut with Loctite Screw Lock or equivalent 70 37 a Attach a metal T bracket to the bottom of the rudder with the supplied three 3 7 mm 4 inch wood screws Secure each screw with Loctite Screw Lock or equivalent compound Position a coil spring on each side of and N between the T bracket and the tail wheel s Ss steering arm Adjust each spring s length to align the tail wheel with the rudder and to provide shock N S relief to the rudder servo secure both ends of each spring by winding the spring s wire ends around the steering arm and T bracket 71 03 Q y eeeeee each side of
5. ends of each top wing wire by permanently anchoring each brass pull rod into its clevis with a few drops of CA adhesive Page 13 of 18 pages 76 Install an approx 23 foot long wing wire between the right side upper amp lower wing panels 46 57 Leading edge 115 Diagram of right side pair of wing panels Note Each of the numbers 1 thru 12 on this diagram are known as Anchor Numbers j AY Jfieading edge Ai ined by a wing wire COLOR PATTERN CODE Anchor Numbers Wire Routes Each segment is uf 1 2 Start with a clevis and brass pull rodl bottom of the center rear strut then guide the end of the wing wire to the top of the center ft Guide the end of the wire frg fi the top fthe center front strut gt bottom front L bracket teket gt top rear L bracket From the bottom front a M fton Jf the center rear strut 4 mut gt top of the outside rear strut T E Enn O e e ee ee ee A sidi c Strut gt bottom of the outside front strut Top rear L br Bottom of tioi Top of the Bottem side front strut gt top of the center front strut Top h hter front strut gt top of the center rear strut 3 4 1 5 6 B 8 T fhe center rear strut gt bottom of the outside rear strut om of the outside rear strut gt top of the outside front strut 0 Nl YM Aa A UDN Top of the outside fr
6. inside the engine mounting box mount your engine with its cylinder head and carburetor positioned to fit inside the cowl 56 24 NOTE Since there is no industry standard engine mounting bolt pattern the factory provided firewall mounting bolt pattern will not fit all engines If you must drill new engine mounting holes in the engine mounting box s firewall use the vertical and horizontal lines on the firewall to center your engine s propeller shaft Then mark and drill the required holes Note Ifa factory installed T nut is in the way where a new hole is required and if you find the factory installed T nut cannot be removed from the firewall 1 Cut away and discard the T nuts and the central area of the factory installed firewall 2 Make a new firewall from 9 mm or 3 8 inch thick plywood 3 3 4 inch high by 4 3 4 in wide 3 Cut engine mounting and fuel line holes in the new firewall and 4 Using 30 minute epoxy permanently secure the new firewall to the front of the engine mounting box F Position the supplied fuel tank inside the engine mo ing box with its tygon fuel lines exiting the box bg 4 CRRC 50cc engine mounted on a replacement firewall Slide the eng ounting box into the fuselage 58 50 Position the Ne mounting box so the propellor s backplate projects 1 2 inch forward of the cowl s radiator secure the engine mounting box to the fuselage with triangular
7. through the hole in the brass pul aded end c Bring the end of the cable back into and all the through the crimp tube d Loop the end of the cable into the crimp tube and leave the end of the cable inside the cri Using long nosed pliers firmly squeeze several ength of the crimp tube to crimp the tube top wing hl D TU thi Locate the two 2 mal d drilled holes just inboard of the outer ribs of the upper arp pin through the top and bottom openings of each pre covering material at each end of each hole nearest the ISe age in the top of the nearest wing cable tube b through hole nearest the fuselage in the top of the remaining wing cable tube c into the nearest predrilled hole near the outer wing rib through the wing and out the hole in the bottom of the wing d and toward the bottom of the nearest outside strut 39 41 Pull toward the loose end of each cable to draw the four 4 top wing wires tight Secure each top wing wire to a brass pull rod and clevis and to the bottom of the nearest outside strut using the same attachment process as in 71 except As you loop the end of the cable back inside the crimp tube for the last time i e 71 d allow the excess cable to extend out of the crimp tube then after you have crimped the tube securely onto the cable snip off the excess cable with a pair of diagonal or side cutter pliers and discard the excess cable 42 10 amp 42 16 Secure both
8. CURTISS JN 4 JENNY INSTRUCTION MANUAL Shown wit ine engine propeller and spinner Specifications 4 Wingspan 4 ick AEM EEEN Upper wing 105 inches This is 20 of the original Jenny s 43 feet 73 4 inch wingspan 1 760 square inches 78 inches cides ade EEE AEE ENE IO EAAS EN ES N E 20 pounds APET 40CC to 50CC Gas or 1 6 cu inch to 1 8 cu inch Glow Recommended Maxford USA s CRRC GF50i1 or equivalent PE E P E E E A T ETE E 22x8 Minimum of 4 channels with 5 standard servos Recommended servos Maxford USA SG5010 or equivalent Dimensions and weights are approximate Maxford Entire Contents Copyright 2009 Congratulations on your acquisition of Maxford USA s version of the Curtiss JN 4 Jenny from World War I The Curtiss JN 4 Jenny two seat biplane was one of the most popular airplanes of all time It was the first mass produced airplane and was manufactured in larger numbers than any previous American airplane By the time of the Armistice in 1918 well over 6 000 JN 4s had been built Jennys were used to train 95 of all World War I United States and Canadian pilots flying schools in Australia the United Kingdom and France also used them Sadly as a consequence nearly 20 of all Jennys ever built were lost in the course of flight instruction For a brief time after the war the U S Postal Service used a few Jennys for airmail service between Washingto
9. Top front wire mount Secure with CA adhesive Position t ole Tear wing cable tubes each 62mm tall and two 2 front wing cable tubes each 56mm tall over their respe ve top wing wire mounts With the shanks of eight 8 12 mm 7 16 inch bolts pointing I toward the fuselage Insert and push each bolt fully through the two 2 lower holes in each wing cable tube and its top wing wire mount Tighten a self locking nut onto each of these eight 8 bolts 38 09 Page 12 of 18 pages 68 69 70 71 12 T3 74 T3 Prepare places to mount four 4 small L brackets on the upper surface of the top wing by boring two 1 16 inch Holes vai 3 16 inch apart and 3 16 inch deep in each of the upper wing s kA four 4 preinstalled hardwood islands 38 45 Apply CA adhesive to harden the holes you bored in the wood where the small L brackets are to be mounted 13 mm 1 2 inch Drive two 2 6 mm 1 4 1inch wood screws through each small L bracket and into the two 2 holes you bored into each of the four 4 preinstalled ee hardwood islands 6 nes 1 in the upper surface of 15 inches the top wing 39 26 i Attach a clevis with a brass pull rod to each of th L brackets Using crimp tubes attach a 6 wire to each of these four brass pull rod 1s S a Slide a crimp tube onto the end of the cable D Pas end of the cable
10. are usin O Radio Set all linkages for max possible deflections then soften the aileron s and ting 60 or more exponential use 30 exponential for the rudder er Radio Low rates High rates Ailerons 20 degrees n n 35 degrees gt r Elevator 25 degrees 30 degrees 3 Rudder 25 degrees 0 30 degrees Trim adjust ts The ailerons amp rudder probably require no adjustments they will remain centered as assembled however be prepared to set the elevator trim depending on how slow or fast you fly i e If you like to fly at slow scale looking air speeds your Jenny s elevator will probably require a bit of up trim Preparation for Transport and Field Setup l 2 Disconnect the Y cable from the left and right wing panel s servo extensions Lift the Jenny s tail for access to the center bottom of the lower wing and use the supplied Allen wrench to remove the two 2 50 cm 2 inch hex head bolts at the front and the two 2 63 mm 2 4 1nch hex head bolts at the rear Return the Jenny to its wheels carefully pull to separate the left and right side pairs of upper and lower wing panels To re attach the wings add dry lubricant graphite or equivelant to the joiner tubes and reverse the above procedure Page 17 of 18 pages Pre Flight Checks 1 Double check the security of the engine mounting box and firewall and make certain that all screws clevises and
11. bled and operated correctly could cause injury to youre stators and damage to property Maxford USA provides you with a high quality thoroughly tested model airplanekitwith assembly instructions However the quality and capabilities of your finished model airplane depends ondiow you build it and your safety depends on how you use and fly it Any testing or flying of this model airplane is done entirely at your own risk 2 Assemble the model airplane according to the instructions Take time to build it STRAIGHT TRUE and STRONG We recommend that you do not alter or modify the model as doing so may result in an unsafe or unworkable model In a few cases the instructions may differ slightly from the photos In those instances the written instructions should be considered as correct If you have any question about the instructions before you proceed with assembly of this product contact us at 562 529 3988 Monday through Friday except national holidays between 8 30 AM to 5 PM Pacific time 3 Install the R C system and other components in such a way that this model airplane passes all ground safety range tests and ensure that all controls operate smoothly and correctly Continued Page 2 of 18 pages 4 Check the operation of this model airplane before every flight to ensure that all equipment is still operating correctly and that the model has remained structurally sound Also before every flight check the clevises and other connectors
12. by Maxford USA for credit is subject to a 10 to 20 restocking fee The final amount will be determined by Maxford USA upon receipt and examination of the returned merchandise Return Address Maxford USA RC Model Mfg Inc 15247 Texaco Avenue Paramount CA 90723 3917 IMPORTANT If issued by Maxford USA print the RMA on the package near the above address SPECIAL FEATURES OF THIS CURTISS JN 4 JENN YK e Fiberglass cowl with scale dummy 90 HP Curtiss OX 5 V8 engi e All airframe assemblies are precovered amp pretrimmed Wy n e Aileron hinge slots are precut and each aileron is separatel e All required openings are predrilled and or precut e Cockpit and windshield coaming is preinstalled 4 tr e Pull pull cables and clevises for elevator and rudde e preinstalled e Landing gear is preformed and wheels wheel coll eerable tail wheel are included PARTS e 5 muinute epoxy or aliphatic resin glue Cy tools such as long nosed and diagonal o ers etc e Engine with ignition kill systenas t red propeller and optional spinner 2 Items included all securely p edin two large carton boxes ith preinstalled elevator and control horns hinges flying wires and related hardware including self threading and machine screws self locking nuts except those normally supplied with the servos and engine and Allen wrenches e Preformed landing gear e Preassembled 500 mL fuel tank complete
13. d holes in each half ofthe _ elevator and in the rudder 03 01 5 Glue the rudder s hinges into the two predrilled holes 1 stabilizer using epoxy glue or aliphatic resin Glue theg into the six predrilled holes in the horizontal stabilizet glue or aliphatic resin 04 05 6 Position the horizontal stabilizer s flat surface the rear of the fuselage insert three 3 of t bolts into the holes in the horizontal stab don t overtighten with the suppli X amp 8 2 4 inch hex head secure but 3 04 25 7 Insert the tabs at the base of the er into the slot in the horzintal stabilizer 6 a ert two 2 38 mm 12 inch hex heag oles on the left side of the fuselage andg cure on t overtighten N with the supplied hex wrench 05 00 Zi 8 Attach the two 2 pull pull wires exiting the top of the fuselage to the left and right control horns on the rudder Attach the pairs of pull pull wires exiting the sides of the fuselage to the top and bottom control horns on each half of the elevator 05 30 Page 5 of 18 pages 10 11 12 13 14 15 16 Sight along the vertical stabilizer to the rudder and from the horizontal stabilizer to both elevators and make any necessary adjustments to the length and tension of each pull pull cable to center the control surfaces and to ensure the rudder and both halves of the elevator are all at their neutral position with thei
14. f the center rear strut Bottom of th cen h t gt top of the outside rear strut J T E i eee ee eee eee ee ee ees Top o tear strut gt bottom of the outside front strut Rettom of outside front strut gt top of the center front strut s 01 x enter front strut gt top of the center rear strut NIN DA oO A Ww NW W ee Top Of the center rear strut gt bottom of the outside rear strut Bottom of the outside rear strut gt top of the outside front strut Top of the outside front strut gt bottom of the center front strut 10 Bottom of the center front strut gt top front L bracket 11 12 Top front L bracket gt bottom rear L bracket 12 7 Bottom rear L bracket gt top of the center rear strut 7 10 Top of the center rear strut gt bottom of the center front strut then end by drawing the wing wire tight and using the same attachment process as in 74 to secure the wire s end to a brass pull rod and clevis and to the center front strut Cut and discard the excess cable o0 E x 79 Secure both ends of the left side wing wires by permanently anchoring each brass pull rod into its clevis with a few drops of CA adhesive Page 15 of 18 pages 80 8l 82 83 84 85 The factory installed firewall mounting bolt pattern is 2 7 16 inch high by 3 1 32 inch wide If this pattern matches your engine using the four 4 pre installed blind nuts
15. haped aluminum fairing onto the landing gear s axle with its blunt leading edge toward the nose and its slotted side down Similiarly position the remaining four airfoil shaped aluminum fairings on the landing gear struts Note The cross brace will be installed toward the Jenny s tail rings 24 27 Place a wheel collar and a wheel On eachjaxle Position a wheel collar against the outside sti Meach wheel and tighten the set screw to secure each witeehon the axle 26 06 0 th ente t of the covering material above adix A r mounting slot one in front of and one Position the landing gear above the grooves Firmly press the landing gear into each groove allowing the covering material s cut edges to be pushed down into the grooves with the landing gear 26 36 Page 9 of 18 pages 40 4l 42 43 44 45 46 47 48 49 50 SI 52 59 54 Secure the landing gear to the fuselage using the preinstalled T nuts two supplied metal straps with 12 mm 7 16 inch bolts in front of the wing and three supplied straps with 15 mm 5 8 inch bolts behind the wing Place the Jenny right side up on its landing gear 27 41 Identify and stage the four 4 aluminum cabane struts The two 2 FRONT cabanes are each 348 mm long with their ends cut at a bigger angle The two 2 REAR cabane struts are each 349 mm long with their ends cut at a smaller angle Note
16. he predrilled hole that is furthest froma the tudder 06 41 Bring the two ends of the wire together at the bottom of the elevator and slide a crimp tube onto these two ends Insert the wire Syends into opposite sides of the hole in the elevator s bottom control horn Use pliers to tighten the wire evenly across both sides of the elevator then use pliers to securely clamp the wires ends within the crimp tube 07 12 Trim cutioff and diseard the excess wire ends Wire s ends color added for clarity Wire s ends fed back through the Completed installation of all wires inserted from the opposite sides of crimp tube with long nosed pliers at the control horn on the bottom the hole in the bottom control horn pulling on the wire s ends of the right side s elevator Install a second 120 cm 47 inch wing wire on the other half of the elevator by repeating steps 13 and 14 Starting from the left side of the rudder insert approx 90cm 35 inches of the remaining 120 cm 47 inch wire through the small opening near the top of the rudder i e Leave approx 30 cm 12 inches of wire at the left side of the rudder Insert the wire s end which now projects from the rudder s right side into the bottom side of the hole in the rudder s right control horn i e Point the wire s end upwards Page 6 of 18 pages 17 18 19 20 21 22 Pull the wire up through the control horn s hole and bring it around the
17. ileron cable tube 17 47 Repeat steps 28 and 29 to install an aileron wing wire on the remaining aileron Slide the aileron s hinges into the upper wing panels slots Secure each hinge with CA adhesive Install the aileron pushrods so each aileron is set to neutral when its aileron servo is centered 20 09 Set aside the upper wing panels Page amp of 18 pages Dds 33 34 35 36 awe 38 39 Sharpen both ends of two 2 54 cm 21 4 inch carbon fibre rods with sandpaper Bend each rod and insert its ends into the two predrilled holes in the bottom of each lower wing panel roughly 7 inches from the wing tips Secure both ends of each wing skid with a few drops of CA adhesive 22 52 Identify and set aside the 22 mm dia by 665 mm long UPPER wing joiner tube 23 32 Using care to not damage either windshield or the rudder place the Jenny s fuselage on its back Apply a dry lubricant graphite or equivelant to the 22 mm diameter by 668 mm long LOWER wing s joiner tube Insert the LOWER wing joiner tube into the lower wing s left and right panels slide the panels together and center the wing in the fuselage s wing saddle Secure the wing to the fuselage with the provided 50 cm 2 inch hex head bolts at the front of the wing and 63 mm 22 inch hex head bolts at the rear tighten all four bolts with the provided Allen wrench 23 40 Position and press the longest airfoil s
18. ion number RMA If you think there 1s an Shi 0 ping damage or missing part s please review our after sales service and return policy as outlined below 1 Inspect your order upon delivery for any shipping damage or missing part If you find a problem you must contact us within 10 days from receipt of your purchase by calling 562 529 3988 Monday through Friday except holidays between the hours of 8 30 AM and 5 PM Pacific time During this telephone conversation and with your support we will determine how to resolve your concern Note Maxford USA Li Po batteries are sold without warranty and are not eligible for return or credit 2 To request an RMA call 562 529 3988 Monday through Friday except holidays between the hours of 8 30 AM to 5 PM Pacific time If we elect to issue you an RMA you must clearly mark this RMA on the outside of the package No return or exchange will be authorized after 10 days from the date of your receipt of the product any package delivered to us without a Maxford USA RMA is subject to being returned to the sender as received with return Page 3 of 18 pages postage payable upon delivery Returned merchandise must be in its original condition as received from Maxford USA with no assembly or modification in the original packing materials complete with all manuals and accessories Return shipping and insurance charges must be prepaid by you the buyer Returned merchandise that 1s accepted
19. it a pair of 65 mm 2 9 16 inch aileron cable tubes over each set of plywood mounts If necessarys adjust the plywood mount s When the mounts are correctly positioned use CA 4 adhesive to permanently secure them in their slots 15 00 With the shanks of 12 mm 7 16 inch bolts pointing toward the fuselage insert and push pn two 2 bolts per aileron cable tube and plywood of 4 mount secure with self locking nuts 16 45 Starting at the bottom of either aileron thi approx 75 of one 160 cm 63 in h ail wire up through the small predrill the wing tip on the aileron s traili the end of the wire now emergi the aileron behind and into ileron tube s hole furthest fro o AA ee Pass the wire through le cable tube and out the hole neares guide the wire behind the atleron CaBl TUDE fae s tiseseeeseseeeeeseeeeeneeeeeeneeeeenertannngy and thre small predrilled hole nearest the aileron s trailing edge 17 08 With both thejwire s ends projecting down from the bottom offthe aileron guide the wire s ends behind the lower aileron cable tube and insert each of the wire s ends into opposing holes in the aileron cable tube Pull both of the wire s ends out through the center of the aileron cable tube Tighten the wire evenly across the top and bottom of the aileron Using a crimp tube and long nosed pliers secure the tightened wire s ends within the crimp tube and inside the lower a
20. n D C Philadelphia and New York Ultimately the thousands of surplus JN 4s in the U S were sold to private owners at bargain prices Charles Lindbergh s first airplane was a surplus Jenny purchased in 1923 for 500 Many of these new owners used their Jennys to earn a living as stunt pilots Flying from unprepared fields on the outskirts of towns they thrilled audiences with daring exhibitions of wing walking aerial trapeze work and low level aerobatics The barnstorming era helped awaken America to aviation However this post war glut of low cost aircraft effectively killed the market for new aircraft until the mid 1920s as the supply of surplus aircraft finally became exhausted Today only about 50 Jennys survive in museums or in the hands of a few fortunate private owners Enjoy the pride of ownership and the joy of flying y TENTS Important safety precautions 000068 Ls x yf Assembly instructions 0 cccccceeeeeeeeeeseeeeeeee 5 Warranty liability waiver and return policy Setup and Adjustments cccccccccceceeeeeeeeees 17 Special features of this JN 4 Jenny mode D Preparation for Transport and Field Setup 17 Parts Si scssanictescasnscetesncooreavsantdenereoorsaeetesaat an 4 Pre Flight Checks o cccccssssccccceeeeesesssteeeeees 17 Jered a toy but rather a sophisticated working model that functions much like a full performance capabilities this product if not assem
21. nt amp rear INNER struts amp flat wing anchors on the left lower wing panel me LEH edge je 8 With th bolt pointing towards the fuselage insert and push each bolt fully thro r 4 OUTER struts and wooden mounts Place a flat wire anchor on the end of each bolt projecting from the side of each outer strut that is nearest the fuselage ol _ S Front amp rear OUTER struts amp flat wing anchors on the left lower Aim the free end of each flat wing wire anchor that is nearest the fuselage in the direction of the top of the opposite strut i e from the base of the front strut toward the top of the rear strut and from the base of the rear strut toward the top of the front strut wing panel Aim the free ends of the four 4 flat wing wire anchors that are nearest the wing tips straight up Tighten a self locking nut onto each of the four 4 bolts with two flat wing wire anchors to secure the four 4 OUTER struts Page 10 of 18 pages 55 56 57 58 59 60 Attach four 4 large L shaped wing wire anchors to the top of the lower wing near each side of the fuselage by inserting two 2 12 mm 7 16 inch wood screws through each wing anchor and driving them securely into the predrilled holes Apply S CA adhesive to harden the holes in the wood where the screws are inserted 32 31 Approximate hole locations 7 8 inch as viewed at See Se a the right side
22. ont strut gt bottom of the center front strut Bottom of the center front strut gt top front L bracket 11 12 Top front L bracket gt bottom rear L bracket 12 7 Bottom rear L bracket gt top of the center rear strut E e ee a a l a i la a l oa los 7 10 Top of the center rear strut gt bottom of the center front strut then end by drawing the wing wire tight and using the same attachment process as in 74 to secure the wire s end to a brass pull rod and clevis and to the center front strut Cut and discard the excess cable 77 Secure both ends of the right side wing wires by permanently anchoring each brass pull rod into its clevis with a few drops of CA adhesive Page 14 of 18 pages 78 Install an approx 23 foot long wing wire between the left side upper amp lower wing panels Leading edge Diagram of left side pair of wing panels e Each of he numbers on this diagram are known as Anchor Numbers Aijeading ed N seading edge p o Anchor Numbers Wire Routes Each segment is un ined by a wing wire COLOR PATTERN CODE 1 2 Start with a clevis and brass pull rod a bottom of the center rear strut then guide the end of the wing wire to the top of the centef fi Guide the end of the wire from the top ofthe center front strut gt bottom front L bracket From the bottomeronts ket gt itop rear L bracket A S SS SS Top rear L bri s t tton J
23. other connections throughout the air fram are secure 2 Double check the control directions of the throttle ailerons elevator and rudder 3 As with all radio controlled model airplanes this model must pass the radio range ground check recommended by your radio s manufacturer or you may not safely fly 4 Get into the habit of moving your transmitter s throttle to minimum before turning ON your transmitter and carefully break in and operate your engine according to the manufacturer s instructions e ALWAYS STAY CLEAR OF THE PROPELLER AND THE PROPELLER S ARC REMINDER AN IMPORTANT NOTICE TO OUR cusgpiiens THIS PRODUCT IS NOT A TOV Any testing or flying of this model airplane is TY Distributed by Z Oj Vy Maxford USA RC Model Mfg Inc Telepho eGwiee Of AOPEN 562 529 3988 15247 T x FAX esses C7 EN 562 562 6988 ee Aibsree or a 866 706 8288 Paramount CA 90723 3917 BD Site sscccssees hitp www maxfordusa com e Order replacement parts S atteries gas engines brushless motors electronie speed controls and a wide variety of other hig ality RC hobby items online at ht rw maxfordusa com Page 18 of 18 pages
24. r servos centered 06 22 Once the pull pull cables are adjusted secure both ends of each cable by snugging the lock nut on each brass pull rod against its clevis then permanently anchor each brass pull rod in its clevis with a few drops CA Drill a 1 16 inch hole in each elevator and the rudder control horn centered between the existing hole for the pull pull cables clevise and the threaded metal rod Locate the two small predrilled holes at the trailing edge of each elevator Run a sharpin through each predrilled hole to fully open the covering material at both sides of each hole Identify and unwrap the coil of wire containing 3 ea 120 cm 47 inch lengthes of wire Careful Don t kink the wires gt From the bottom side of either elevator insert the end of one of the 120 cm 47 inch wire into the predrilled hole in the bottom of the elevator that 1s nearest to the rudder Photos show the right side s elevator Pull approx 90 cm 35 inches of this Wire through the hole to the top side of the elevator i e Leave approx 30 m 12 inches of wire at the bottom of the elevator Insert the end ofthe wire which now prodrudes from the top of the elevator into the hole in the elevator s top Control horn from the side furthest from the rudder i e Point end of the wire toward the rudder Pull the wire through the control horn s hole and around the control horn then insert the wire s end into t
25. replace any found damaged or defective 5 If you are not an experienced R C pilot or have not flown this type of model before we recommend that you get the assistance of an experienced R C pilot 6 Throughout the lifetime of this model use only the recommended Maxford USA or same sized engine and a well maintained R C radio system 7 While this kit has been flight tested to meet or exceed our rigid performance and reliability standards in normal use if you plan to perform any extremely high stress flying such as racing or advanced aerobatics or if you plan to install a larger engine than recommended you the buyer or user of this product are solely responsible for taking steps to reinforce the high stress points and or substitute hardware that is more suitable for such increased stresses 8 LITHIUM BATTERY HANDLING amp USAGE WARNING If you elect to use a lithium batt ty i in this model airplane read the entire instruction sheet included with the battery Failure to follow all ins Pi ons could result in permanent damage to the battery its surroundings and bodily harm If you crash this mod bg e check whether the Li Po battery is damaged l Do NOT attempt to use and do not attempt to re charge a damaged Li Po battery ONLY use a Li Po approved charger NEVER use a NiCd NiMH charger ALWAYS set the charger s output to match the battery s voltage and mAh ratings ALWAYS charge through the battery s charge
26. t Oeics install a third screw at the center of each windshield 12 46 Set aside the fuselage Connect two 2 aileron servos to two 2 18 inch servo wire extensions Note To help ensure the security of these extension connections we recommend you install an optional servo extension safety clip at each wire extension junction N Page 7 of 18 pages 23 24 25 26 27 28 29 30 oe Tie the open female end of each extension to the preinstalled string at each of the aileron servo openings in the top wing panels Guide the end of each extension to the root rib of each wing panel 73 17 Using the servo manufacturer s hardware mount the aileron servos with their output shafts furthest away from the aileron hinge line Secure the aileron hinges to the ailerons with a few drops of thin CA adhesive applied at both sides of each hinge but do not attach the ailerons to the wing panels at this time Using the precut hole in each aileron attach one 1 aileron control horn assembly with its control horn on the bottom of the aileron to each aileron 13 54 E TE CE EE EE EFS Test fit the aileron wing wire s plywood mounts in their precut slot in each aileron Positi the plywood mounts so they lean toward the front of the airplane Xea and center the mounts within their slot so that each fits against the opposite mount s base Temporarily tack glue the plywood mounts in position and test f
27. the cowl wi iit Install and attach your radio s battery to the radio s ON OFF switch Optional Re install and latch the radio compartment covers in the floor of the cockpits and install pilot figure s Attach the muffler to the engine secure the cowl to the fuselage and mount a 228 propeller 59 09 Congratulations Assemblyffy i ised G4 The Jenny s center of gravity CG must fall within 1 2 of 5 4 inches back from the leading edge of the upper wing i e Lift the airplane at the center of the upper wing s Spar and the fuselage should hang with the tail slightly lower than the nose 59 52 If necessary move fhe ter yr add weight to the nose or tail to ensure the CG is correct Check the heat shrink covering material s join i surfaces if necessary carefully use a dedicated covering material iron and heat gun to securedhe e dto tighten any loosened areas Check adjust servo centering dire elevator should deflect upwards p left aileron should deflect down from the rear of the fuselageP radio related servo adjustm g end point adjustments When you pull the right stick toward you the ick to the right and the right aileron should deflect upwards and the d e left stick left and the rudder should deflect to the left as viewed sere w your radio s instruction manual if you require assistance with any iS If you are using a Con elevator s co thy If you
28. ur 4 cabanes to the fuselage by tightening each of the eight 8 self locking nuts inside the fuselage Pointing the shanks of four 4 12 mm 7 16 inch bolts toward the center of the fuselage insert each bolt fully through the top of each of the four 4 cabanes a and the wing center section s wooden cabane mounts Tighten a self locking nut onto each of the four 4 bolts at the top of each of the four 4 cabanes 34 57 With the shanks of eight 8 12 mm 7 16 inch bolts pointing toward the fuselage insert each bolt fully through the top of the four 4 OUTER and four 4 INNER struts and the top wing s wooden strut mounts Place a flat wing wire anchor on the end of each of the eight 8 bolts projecting toward the fuselage at the top of each OUTER and INNER strut 35 50 Aim the free end of each flat wing wire anchor in the direction of the base of the opposi Ani i e from the top of the front strut toward the base of the rear strut and from the top of the rear strut toward the base of the front strut Tighten a self locking nut onto each of these eight 8 OUTER and INNER strut bolts Front amp rear OUTER struts amp flat wing anchors on the left upper wing panel j Front amp rear INNER struts amp flat wing anchors on the left upper wing pa Insert two 2 top rear wing wire mounts and two Op fronts ing wire mounts into the upper wing and secure each with CA adhesive 37 29 f rear ount
29. with tygon fuel tubing e CD ROM with computer video and this illustrated instruction manual Page 4 of 18 pages ASSEMBLY INSTRUCTIONS NOTE Numbers within brackets are the starting points for viewing the CD ROM s computer video in Minutes Seconds 1 Unlatch lift out and set aside the two 2 radio compartment hatch covers Remove and discard the wire ties at the bottom of the fuselage then pull out from the fuselage and set aside the wooden engine mounting box and the cardbaord box containing the cabanes and struts 2 With the elevator servo s output shaft toward the rear of the fuselage install the elevator servo in the servo tray s rear most position 00 06 With the rudder servo s output shaft toward the rear of the fuselage install the rudder servo in the servo aay s second from the front position 00 17 3 Attach the two 2 preinstalled clevises with double wires T exiting the fuselage s sides to the rear elevator servo 00 41 Attach the preinstalled clevises with single wires exiting the fuselage s top to the front rudder servo 07 57 N a 4 Apply a dab of petroleum jelly to the center of the eight 8 hinge points to protect them from glue Using the predrilled holes in the rudder and in each elevator attach the hinge points to the rudder and elevators with epoxy glue or aliphatic resin 02 32 Mount and carefully center control horn assemblies in the predrille
30. wood stock screws and 30 minute epoxy then prepare cowl mounting points VO Install your engine s high voltage ignition module its battery and your radio operated ignition kill switch connect the kill switch to your radio s receiver Connect the fuel lines install and connect the throttle servo to the radio s receiver and mount and connect the radio s ON OFF switch to the radio s receiver Page 16 of 18 pages engine 57 46 Note Adjust the following final steps in accordance with your engine amp radio equipment setup preferences a ta Tagut he new ll to the front surface of the original firewall Engine s propeller backplate projecting 2 inch forward of the Jenny s cowl Engine mounting box secured in the fuselage opening with high voltage module throttle linkage and throttle servo 86 87 88 89 90 91 Setup and Adjustments l Install connect and adjust the engine s throttle and choke control linkages Connect the rudder and elevator servos to your radio s receiver attach an 18 inch servo extension to the radio TLLLLLLLLLTE receiver s aileron channel route the servo extension up MITT through a cockpit and connect the aileron extension to the TTT EEL aileron s Y cable TO THULE L L ALLEL Make any necessary additional engine access exhaust M THII and or cooling openings in
Download Pdf Manuals
Related Search