PASCO Specialty & Mfg. ME-6977 User's Manual
Contents
1. The Fan Cart has a light emitting diode LED that indicates when the battery is being charged The LED flashes when the battery is low Battery The Fan Cart s high energy density lithium polymer battery can run the fan continu ously at medium thrust for about 1 5 hours before the low battery LED begins to flash Since the battery recharges quickly typically in one hour even short periords 10 20 minutes with the charger plugged in will recharge the battery sufficiently to continue e Partial charging and recharging will not adversely affect the battery life e The replaceable battery pack is designed to last at least five years in normal application e Unlike nickel cadmium batteries for maximum battery life the lithium polymer battery pack should not be run down completely before recharging e The battery pack can be left in a partially charged state for long periods without damage e Maximum battery life can be attained by charging the battery after each use e The charger may be left connected indefinitely because it shuts off automatically after the battery reaches full charge 2 PASC Cm Model No ME 6977 Introduction Operation The control section of the Fan Cart has eleven light emitting diodes LEDs a VARIABLE THRUST knob and three selector switches THRUST PULSE TIME and FAN ON STANDBY The CHARGING LED flashes when the battery needs to be recharged and stays lit while the Fan Cart is charging2. purchased the product LLY The Li Poly rechargeable battery used in this product is marked with the international ad symbols to the right to indicate the need for the separate collection and recycling of batteries Li Poly PASC Ce 7
3. wae wer EAN CARTS o900 knob PULSE TIME selector switch THRUST FAN ON STANDBY selector switch selector switch FAN ON STANDBY and OFF To turn on the Fan Cart press the FAN ON STANDBY selector switch The LEDs will light momentarily and then the green LED next to STANDBY will remain lit To turn on the fan press the FAN ON STANDBY selector switch again The fan CAUTION will turn on and the yellow LED next to FAN ON will remain lit The default setting Keep fingers and other is continuous blowing at LOW THRUST iad from the moving an blade To turn off the fan press the FAN ON STANDBY selector switch again The fan will turn off and the green LED next to STANDBY will remain lit To turn off the Fan Cart press and hold the FAN ON STANDBY selector switch NOTE The Fan Cart turns n itself off if i t f for one or two seconds The green LED next to STANDBY will stop shining Sie mene orien THRUST Settings To change the THRUST setting from the default value LOW press the THRUST selector switch once to select MEDIUM Press the selector switch again to select HIGH and press the selector switch again to select VARIABLE Press the selector switch once again to return the THRUST setting to the default value When the THRUST setting is set to VARIABLE turn the VARIABLE THRUST knob clockwise to increase the thrust or counterclockwise to decrease the thrust You can change the THRUST setting while the fan is in ST
4. before the PULSE TIME selector turning on again for two seconds switch again Charging the Fan Cart The red LED next to CHARGING blinks when the battery needs to be charged NOTE If you ignore the Connect the AC to 9 V DC power adapter to an appropriate outlet Plug the power blinking red LED and the bat cord into the socket on the left side of the Fan Cart IMPORTANT Use only the tery pack becomes severely power adapter that is supplied with the Fan Cart to charge the battery discharged the Fan Cart will turn itself off and the red LED will not shine The Fan Cart The red LED next to CHARGING shines continuously while the battery is recharg Will not operate when the ing When the red LED stops shining disconnect the AC power adapter battery becomes severely discharged The Fan Cart cannot be operated when the AC power adapter is connected Demonstrations and Experiments Using the Fan Cart and Sail 1 Place the Fan Cart on a level track 2 Set the fan angle to zero degrees Set the THRUST to MEDIUM and set the PULSE TIME to 2 s two seconds 3 Turn the fan on to demonstrate which way the Fan Cart moves without the sail Air Flow SS SS EET SS LE o 4 PASC Cm Model No ME 6977 Demonstrations and Experiments 4 Attach the Sail to the Fan Cart by plugging the pegs of the sail into the holes at the edge of the accessory tray on the cart Attach the Sail so that its flat side faces the fan Air Fl
5. 4 N 0 15 N and 0 22 N Thrust VARIABLE minimum to maximum Approximately 0 01 N to 0 23 N 6 TEIH Model No ME 6977 Technical Support Technical Support For assistance with any PASCO product contact PASCO at Address PASCO scientific 10101 Foothills Blvd Roseville CA 95747 7100 Phone 916 786 3800 worldwide 800 772 8700 U S Fax 916 786 3292 Web Wwww pasco com Email support pasco com Limited Warranty For a description of the product warranty see the PASCO catalog Copyright The PASCO scientific 012 10538B Fan Cart Instruction Manual is copyrighted with all rights reserved Permission is granted to non profit educational institutions for reproduction of any part of this manual providing the reproductions are used only in their labora tories and classrooms and are not sold for profit Reproduction under any other circumstances without the written consent of PASCO scientific is prohibited Trademarks PASCO PASCO scientific DataStudio PASPORT Xplorer and Xplorer GLX are trademarks or registered trademarks of PASCO sci entific in the United States and or in other countries For more information visit www pasco com legal Windows is a registered trade mark of Microsoft Corporation in the United States and or other countries Mac is a trademark of Apple Computer Inc registered in the U S and other countries Product End of Life Disposal Instructions This electronic product is subject to disp
6. ANDBY or while the fan is on PULSE TIME Settings You can change PULSE TIME settings only while the fan is in STANDBY Press the PULSE TIME selector switch once to select 1 s one second Press the switch again to select 2 s two seconds Press the switch again to select 4 s four sec onds and press the switch again to select 6 s six seconds PASC Ce 3 Fan Cart Demonstrations and Experiments Press the PULSE TIME selector switch once again to return to the default setting continuous blowing No LEDs in the PULSE TIME section will be lit Once you have set the PULSE TIME setting press the FAN ON STANDBY selector switch The green LED next to STANDBY will blink three times and then the fan will turn on and run for the selected amount of time If you want a PULSE TIME to repeat itself press and hold the PULSE TIME selec tor switch until the LED for the desired time interval begins to blink Press the FAN ON STANDBY selector switch The green LED next to STANDBY will blink three times and the fan will turn on and run for the selected time interval and then turn off After a total of twelve seconds from when the fan first turns on it will turn on again and run for the selected time interval For example if 2 s is selected and you NOTE To cancel the PULSE press and hold the PULSE TIME selector switch and then press FAN ON TIME repeat function press STANDBY the fan will run for two seconds and then turn off for ten seconds
7. Instruction Manual 012 10538B Fan Cart ME 6977 Pa oN A gt S o N gt amp N S lt N gt lt AN AN aA SS INOR sS Included Equipment Part Number 1 Fan Cart ME 6977 2 Sail 648 10601 3 AC to 9 V DC power adapter not shown 540 076 Compatible PASCO Tracks See the PASCO Catalog for details PAStrack 1 2 m and 2 2 m Dynamics Tracks 1 2 m and 2 2 m PAScar Tracks Force and Motion Track f B A Toy os OC 800 772 8700 www pasco com ME 6960 ME 9435A and ME 9458 ME 6953 and ME 6954 ME 6958 Fan Cart Introduction Introduction The PASCO Fan Cart produces Low Medium High or Variable Thrust either contin uously or for selectable time intervals of 1 2 4 or 6 seconds The direction of thrust can be adjusted from zero to 180 degrees to demonstrate the vector nature of force The Fan Cart has a sophisticated rechargeable battery powered electronic controller that provides a constant voltage to the fan motor so that the Fan Cart approaches con stant fan speed operation that is not dependent on the battery terminal voltage The Fan Cart nests on top of the PASCO Dynamics Cart or PAScar to utilize the Dynamics Cart s or PAScar s plunger and bumpers The Fan Cart is compatible with all PASCO tracks please see the PASCO catalog or can be used on a smooth surface without a track The Fan Cart comes with a Sail for the Fan Cart with Sail demonstration
8. il the cart doesn t move Hanging Mass i Next turn the fan at an angle and determine the component of the force Determine whether the force component in the direction of motion is F cos 0 This experiment must be performed on a PASCO track so the cart will go in a straight line Air Flow Experiment 3 Put the Fan Cart on a track and incline the track until the cart can t climb the incline Experiment 4 Put the Fan Cart on top of the PASCO Friction Cart and adjust the friction or the VARIABLE THRUST on the Fan Cart until the cart goes at a constant speed Experiment 5 The Cart Race Set up a race between the Fan Cart and a Motorized Cart PASCO Model ME 9781 Put two PASCO tracks side by side Mount a Motion Sensor on the left end of each track Place the carts on the tracks approximately 15 cm in front of the sensors Position the carts so that they start at the same position Set the Fan Cart s thrust to LOW Adjust the Motorized Cart s speed to maximum Start the carts going at the same time Starting at the same point and time the constant speed Motorized Cart initially takes the lead but is caught and passed by the Fan Cart moving at a constant acceleration Specifications Mass Fan Cart and Mass Sail Approximately 0 300 kg and approximately 0 100 kg Battery Pack 7 2 volts 1 25 amp hour One hour typical recharge time Thrust LOW MEDIUM and HIGH Approximately 0 0
9. osal and recycling regulations that vary by country and region It is your responsibility to recycle your electronic equipment per your local environmental laws and regulations to ensure that it will be recycled in a manner that protects human health and the environment To find out where you can drop off your waste equipment for recycling please contact your local waste recy cle disposal service or the place where you purchased the product The European Union WEEE Waste Electronic and Electrical Equipment symbol to the right and on the product or its packaging indicates that this product must not be disposed of in a standard waste container Fan Cart Battery Replacement and Disposal Instructions Removal Replacement Tools Required 0 or 1 Phillips screw driver Remove the single screw holding the battery door and remove the battery door from the Fan Cart Slide out the Lithium Polymer L1 Poly battery pack and reach in to disconnect the battery cable connector Reverse these instructions for a battery replacement Battery Disposal Batteries contain chemicals that if released may affect the envi ronment and human health Batteries should be collected separately for recycling and recycled at a hazardous material disposal location adhering to your country and local government regulations To find out where you can drop off your waste battery for recycling please contact your local waste disposal service or the place where you
10. ow 5 Set the THRUST to VARIABLE turn on the fan and turn the VARIABLE THRUST knob fully clockwise Then adjust the VARIABLE THRUST knob so that the fan remains motionless Turn the fan off after a short period of time 6 Leave the thrust at the same setting but remove the Sail and re attach it so that its curved side faces the fan Air Flow NOTE Many students will 7 Ask the students to predict which direction the cart will move with the sail expect the cart to not move attached Turn the fan on to show the direction of the cart s motion However the cart will have a small acceleration opposite i to the acceleration without Explanation There is a force on the cart in one direction due to the fan pushing air the sail and there is another force on the cart in the opposite direction due to air hitting and bouncing off of the sail The bouncing air hitting the curved side of the sail causes the force on the sail to be greater than the force of the air on the fan Suggested Experiments Experiment 1 Use a Motion Sensor or Tape Timer to measure the acceleration of the Fan Cart due to a constant force Add mass to the accessory tray of the cart and repeat Determine the relationship of acceleration to mass for a constant force PASC Ci 5 Fan Cart Specifications Experiment 2 Determine the force of the Fan Cart by connecting the cart to a mass that hangs over a pulley Adjust the hanging mass unt
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