RCE-550 Head Lock Gyro User Manual ALIGN
Contents
1. original instruction manual for more detail 6 Travel value adjustment of rudder servo ATV Pitch range of the helicopter is limited The travel value failure will affectthe gyro performance Travel value over may cause the servo damaged Use a small screw driver to adjust the LIMIT button on the gyro for increase the travel value for decrease the travel value Properly adjust it to the maximum of pitch range PRE FLIGHT TRIM ADJUSTMENT OF RUDDER In order for the gyro to function properly it is crucial to trim the gyro properly 1 Set the rudder trim and sub trim if available to neutral 2 Identify the gyro gain switch position on your transmitter which gives the standard gain mode and Heading lock mode This can be done by observing the rudder servo behaviour by applying full rudder Command followed by a release In standard gain mode the rudder servo will rapidly return to the neutral position when the rudder stick is released In Heading lock mode the rudder servo will stay in the same position when the rudder stick is released Does not apply to Single Mode connection 3 Set the rudder trim or preferably the sub trim so that the creep in the rudder servo is minimized You will find that there will still be some minor residual creeping for normal situation 4 0nce this trim position has been found no further adjustment should be needed However some slight adjustment of the tail control linkages may stitt be n2. the steps regarding the use of adhesive foam Sues Axial Direction SY axial direction shaft of main rotor Foam Tape Bottom of Gyro i ds j Mounting Spree Mounting Surface A Find a position at or near the center of mass main shaft of the R C helicopter Make sure to avoid any source of vibration or to eliminate any vibration from the tail and rotorhead B Clean the mounting surface and the bottom of the gyro using alcohol and allow ta dry completely C Using the two pieces of adhesive foam provided attach one piece at each end to the mounting surface of the gyro vertical side in this illustration and then adhere the gyro to the mounting surface Do not use one piece of adhesive foam that covers the whole bottom of the gyro IMPORTANT Do not use double sided tape without foam padding 2 Follow illustration for installing the gyro to receiver and rudder servo Single Mode Connections Only Support neadlock Mode when single mode connection is established Step 1 Connect the rudder servo to the SERVO connection at the gyra An extension may be necessary Step 2 Ear Hitec Futaba PPM PCM Radio Transmitter Connect tha cable from X 1 4 of the gyro to the Channel 4 of the Recevier For JR PPM SPCM ZPCM Radio Transmitter Connect the cable from RX 1 4 of the gyro to the RUDD of the Receiver Dual Mode Connections Step 1 Step 2 same as Single Mode Connections Step 3 For Hitec Futaba PPM PCM Radio Tr
3. Se RCE 550 Head Lock Gyr FEATURE Features the travel value adjustment of rudder servo ATV can avoid the servo running over the pitch range to extend the servo life zIntelligent drift canceling Circuit design highly precisely figure out the angular velocity inertia more wide lock range minimizing rudder neutral position drift when hovering amp Dual Mode Headlock and Standard Rate Gyro Built in drift cancel circuit Temperature compensation circuit x Dual position Normal Reverse switch for Rudder operating direction x Dual gain control Apply to analog and most digital servos Compatible Futaba PCM JR SPCM Hitec QPCM Receivers ILLUSTRATION Voltage Used DC 4 2 6V Direction Switch Gyro Gain Power Consumption Approx 33mA X Operation Temp 5 C to 60 C j elow cola Dimension 23 5 x21 x 15mm CH4 RUDD Weight 12g To RX 1 4 ALIGN Rudder Channel Connector Accessory Adhesive foam x 1 t Black Red White CHS AUX Gain Channel Connector INSTALLING THE GYRO 1 Use the adhesive foam provided to attach the gyro to the chassis of the helicopter The foam will provide a stable vibration free mount to securely attach the gyro to the helicopter Align recommends the gyro to be mounted as illustrated in the diagram If not possible install it in a similar fashion away from any heat source or electrical source such as the motor or ESC to avoid interference When installing the gyro follow
4. ansmitter Connect the cable from RX AUX of the gyro to CHANNEL 5 of the receiver For JR PPM PCM Radio Transmitter Connect the cable from RX AUX of the gyro to AUX2 or AUX3 of the receiver Radio type i RX 1 4 connect to receiver s RX AUX connect to receiver s JR PPM SPCM Sn _ RUDD AUX 2 0r AUX 3 __Hitec FutabaPPM PCM CHA RUD CHE RUDD AUR RCE 550 Head Lock Gyro User Manual ALIGN SETTING UP 1 Switch on your transmitter 2 Switch on your helicopter s receiver and DO NOT move the helicopter at all before the gyro initialization light is illuminated This can take several seconds to complete 3 Configure the settings on your transmitter ATS A Throttle to rudder mixing Pitch to rudder mixing Pilot authority mixing Rudder to gyro mixing Revolution mixing 4 Set the direction switch A gt B on the gyro to make the tail pitch move in the right direction to Compensate for tail yaw 5 Gain Control Single Mode Adjust the gain control on the gyro by using the small screwdriver to tune the rotary switch To obtain maximum tail performance and stability Adjust the gain as high as possible until it begins to oscillate wag Reduce the gain a little bit just to eliminate the wag Dual Mode Adjust the gain control on the transmitter ATV setting or GYRO setting to obtain maximum tail Performance as described above Different transmitters have different setting methods please read the
5. eeded in order to reduce any offset effects in the standard made This could only be done through flight testing 5 Select the heading lock mode and hover the helicopter 6 Check for any tendency for tail to oscillate wag Reduce the gyro gain if wag is seen Conversely increase the gain if no wag is seen The goal is to use the highest possible gain setting without introducing tail wag 7 Observe any trim offset in the tail and correct with the rudder trim 8 Select the standard gain mode and repeat the exercise In this case any offset effects should be corrected by adjusting the tail rotor linkages IMPORTANT A lf after adjusting the gyro gain with the transmitter and the tail is still hunting slightly move the tail control tink to a different position on the rudder servo arm move toward inner hole or outer hole or if the rudder servo moves too slowly recommend using a servo which has the speed within 0 12 Sec 60 B In order to let the gyro adapt to the temperature and humidity of the flying field itis strongly recommended to leave the helicopter and gyro in the environment for 5 10 minutes then turn on the switch to use them Afterwards ALIGN CORPORATION LIMITED No 345 SHUI YUAN ROAD FENG YUAN TAIWAN R O C http www align com tw Toll free line 0800 000 444 2 G20257
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