J. Perkins Twister Hawk Assembly & Flight Training Manual Download Page 22

Available from:

www.modelflight.com.au

Twister Hawk

USB  PC  FLIGHT  SIMULATOR  CABLE

Your Twister Hawk is supplied with a USB cable that connects via the socket on the rear of your transmitter
to a Windows PC or notebook PC.

Using free R/C  ight simulator software, downloadable from the Internet, you can run a realistic R/C
helicopter simulation that will allow you to practice until you feel comfortable enough with the simulator to
have a go with the real model.
The transmitter can be used with a Windows PC to run a number of R/C model  ight simulators. The
advantage to the pilot is twofold: by practising using your own transmitter on a simulator you will get
familiar with your very own set of controls when you  y your Twister Hawk for real.
Secondly, a simulator is particularly good at introducing the basics of R/C  ight for those unfamiliar with the
four  ying controls, the trims and their effects on a helicopter.
For  advanced  pilots  wishing to practice 'nose-in' hovering  where the controls are effectively reversed; a
simulator is a great tool
We recommend the FMS free  ight simulator available as a free download from:
http://n.ethz.ch/student/mmoeller/fms/index_e.html
There are hundreds of different models available for use with the FMS simulator. For example, you can
download a Blackhawk helicopter for use with the FMS Simulator from this URL:
http://logic-wizard.hp.infoseek.co.jp/fms/UH-60.zip

TROUBLESHOOTING

MAIN ROTOR DOES NOT TURN

Check throttle stick and trim lever are in the fully down position before advancing the throttle stick.
Check all electrical connections and that the '4-in1' receiver crystal is seated securely in the socket in

the '4-in-1' unit.

Check that both motor pinion gears are still engaged with the main drive gears.
Check Li-po battery is charged.
Check state of transmitter batteries.
Check green light on 4-in-1 unit is glowing.

HELICOPTER  SPINS  UNCONTROLLABLY

Check main gear retaining set screws
Check Gyro gain trimmer (4-in-1 unit) to ensure gyro gain is set to approximately 90%.

HELICOPTER ACCELERATES AWAY WHEN STICKS ARE NEUTRAL

Check that swashplate is level. Adjust trimmers and/or  adjust swashplate cyclic links length if neces-

sary.

VIBRATION

Bent main shaft(s)—the tail boom and undercarriage will vibrate if the main shaft(s) is/are bent. Replace

the main shaft(s) and gear unit if you suspect a bent main shaft.

Flybar is bent—straighten or replace if badly bent.
Main blades out of balance—check that blades are not bent or broken.

22

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Summary of Contents for Twister Hawk

Page 1: ...yaw rate gyro KIT CONTENTS Twister Hawk helicopter 1 Twister 4 channel FM transmitter 1 Twister 4 in1 on board electronics unit 1 EnErG micro servos 2 Twister transmitter and receiver crystals 1 set...

Page 2: ...NGER Never y near children or animals ABOUT THE FLYING AREA REQUIRED The Twister Hawk is designed primarily for indoor use or outdoors in at calm conditions A hard at surface clear of all obstacles wi...

Page 3: ...stalling tipovers then automatically re energising the system some seconds later Professional transmitter included The transmitter has been designed for precision helicopter ying and features high qu...

Page 4: ...safety code of the British Model Flying Association which can be found at the the following address http www bmfa org In Australasia please contact your hobby supplier WELCOME A KIT CONTENTS 1 Carefu...

Page 5: ...set and should NOT be switched for ying your Twister Hawk They may be useful if you use other models or y the many models available within R C ight simulators The reversing switches are located on th...

Page 6: ...r if you notice the helicopter is losing power At this point land and recharge the battery Do not be tempted to run the battery past this stage as you will be over discharging and the battery may be d...

Page 7: ...tery from the charger 4 Disconnect the power source from the charger Your Li po battery is ready for use C FITTING THE FLIGHT BATTERY 1 Slide the charged battery pack into the rear part of the battery...

Page 8: ...tightness or binding TRANSMITTER LAYOUT THROTTLE LEFT MODE 2 STICK AND TRIM CONTROL SUMMARY Throttle trim Fore and aft cyclic trim Throttle Yaw stick Cyclic control stick Yaw trim Roll cyclic trim 1...

Page 9: ...t Yaw stick Throttle trim Throttle Roll control stick Yaw trim Roll cyclic trim 1 Move the throttle right stick and throttle trim of your transmitter to the lowest low throttle position as shown above...

Page 10: ...ell clear when connecting power to this model or when ying it 2 After the on board 4 in 1 unit has completed satisfactory systems checks the on board LED will glow green continuously Do not move the h...

Page 11: ...horizontal when viewed from the front and from the side of the helicopter If it is not adjust it s position by operating the cyclic trims See pics above The ball joints snapped to the swashplate can b...

Page 12: ...ove E THROTTLE CHECK MODE 2 TRANSMITTER Throttle Slowly push the throttle stick forward by a small amount and check that the main rotors start to rotate Then immediately throttle back F YAW CHECK Yaw...

Page 13: ...Do not y at 50 metres distance or greater At distances of greater than 50 metres it will become impossible to see your Twister Hawk We strongly recommend you y no further away than 15 metres WARNING...

Page 14: ...zontal plane See below Forwards Crab left Crab right Backwards Forwards Crab left Crab right Backwards C LEFT STICK UNIT FUNCTIONS The left stick operates throttle main rotor speed and yaw control Thr...

Page 15: ...ose right Climb Rotate nose left Rotate nose right Descend FLIGHT CONTROLS MODE 1 A FLIGHT CONTROLS LAYOUT Forwards Climb Rotate nose left Rotate nose right Crab left Crab right Backwards Descend Each...

Page 16: ...to the left right in the horizontal plane See below Crab left Crab right Climb Crab left Crab right Descend The right stick also operates the throttle main rotor speed Throttle is increased to climb t...

Page 17: ...ntrols Moving the stick to the left or right will rotate the nose to left or right This is called yaw control See below Rotate nose left Rotate nose right Forwards Rotate nose left Rotate nose right B...

Page 18: ...and carefully inspect the model for damage Make any repairs as necessary Crash damage is not covered by warranty DAMAGE PREVENTION FEATURES Unique features built into your Twister Hawk are designed t...

Page 19: ...using the helicopter to climb Conversely as the main rotor speed is reduced the helicopter descends This method of helicopter height control is called xed pitch Height is managed using the throttle st...

Page 20: ...ground is reduced as the helicopter gets nearer to unsticking from the surface Observe whether or not the helicopter is tending to move forwards or backwards If it tilts forward you will need to apply...

Page 21: ...develop HOVERING AND MANOEUVRES As your co ordination and anticipation improves you should be able to reduce forward speed when making hops thereby bringing your helicopter into a hover Practice hove...

Page 22: ...fms index_e html There are hundreds of different models available for use with the FMS simulator For example you can download a Blackhawk helicopter for use with the FMS Simulator from this URL http...

Page 23: ...y placed on a bed of sand or in a replace Never charge inside a car Switch off charger if battery gets too hot If the battery becomes hot to the touch during charging disconnect and switch off immedia...

Page 24: ...Available from www modelflight com au Twister Hawk 24 http www jperkinsdistribution co uk...

Page 25: ...Available from www modelflight com au Twister Hawk http www modelengines com au 25...

Page 26: ...Available from www modelflight com au Twister Hawk 26 http www jperkinsdistribution co uk...

Page 27: ...on 6600500 CNC ALU CENTRE HUB OPTION 6600502 CNC ALU SWASHPLATE OPTION 6600504 CNC ALU LOWER HUB OPTION 6600506 CNC ALU BB HOLDER OPTION 6600508 LED LIGHT SET OPTION 6600509 LED NAVIGATION LIGHT OPTIO...

Page 28: ...STER HAWK READY TO FLY 4 CHANNEL R C HELICOPTER Assembly Flight Training guide Australasia agents Model Engines Melbourne Australia www modelengines com au European agents J Perkins Distribution Lenha...

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