Basic HH Gyro Setup.

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Telebee GYRO SETUP

[telebee]
  1. Adjust the ATV on both sides of the rudder to 100% and the ATV on the aux channel to 60% on each side.
  2. Zero out any subtrim, tail rotor compensation, or any other tail rotor mixes.
  3. Switch on the transmitter then the receiver, move the rudder stick to one side and let go. If the arm returns to center and stops, you are in normal mode.
  4. Put it in heading hold mode, use subtrim (or trim tabs, if you don't have subtrim) to stop the drift.
  5. Make sure the gyro is operating in the right direction.
  6. Lift the model into a hover and switch to heading hold mode. Do your final trim.
  7. Switch to normal mode, note of which way it turns. Adjust the tail rotor control rod to stop the yaw.
  8. Fine tune the gain using ATV.

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CSM ICG 360 GYRO SETUP

[CSM

The CSM Gyro is setup differently from regular mechanical and piezo gyros. You must read the entire manual carefully to ensure correct operation. The CSM operates in two modes: Normal (N) and Heading Hold (HH). In Normal it operates similar to other piezo gyros and is able to work with tail rotor compensation (Revo) mixes. In HH mode the tail will lock onto the present heading and will hold that heading until a yaw command is received from the tx. Any input to the rudder is seen as a Yaw rate command. So any Revo Tail Compensation will induce a unwanted yaw command. The Ch4 ATVs do NOT change the rudder servo throw anymore, this is done internally by the gyro and is preset by the factory but can be changed with the optional software package. Ch4 ATVs will adjust the yaw rate. Increasing the value can result in extremely fast pirouettes. The gain Ch.(5 for futaba - do NOT use Ch-8, AUX2 for JR) ATVs adjust the amount of gain of the gyro. The gyro switches between N and HH mode at the 0% (1.5ms pulse) center of the Gain channel.
*- 100%gain in HH mode ---- *0%gain ---- 100%gain in N mode -*
So 0% ATV in the gain ch will give 0% gain on the gyro making for an exciting flight. Average gain % for a good T/R with a fast servo is about 70%.

Step by Step CSM Setup Procedure:

  1. Remove / disable / set to zero all mixes or functions that provide an input to the tailrotor.
  2. Center all rudder trims and subtrim.
  3. Set Ch4 rudder ATV to 50%.
  4. Set Gain Ch ATV to 50%.
  5. Set Ch4 Rudder trim resolution to 1 or minimum value (if available).
  6. Select a servo arm hole that provides for full tail rotor pitch slider movement WITHOUT binding at extremes.
  7. Let gyro timeout for 10 seconds then wait for 5 MINUTES for temperature stabilization.
  8. Using SUBTRIM adjust until minimal movement of the rudder servo arm in HH mode.
  9. Hover the heli with the gyro in HH mode and make fine adjustment with rudder trim lever.
  10. Adust HH mode gyro gain for no wag and max hold.
  11. Switch to N mode.
  12. Do not adjust trim levers on tx. Mechanically adjust T/R pushrod for no yaw.
  13. Adjust N mode gyro gain for no wag and max hold.
  14. Adjust Ch4 ATV for desired left and right yaw rates.
  15. Only minor trim adjustment will be necessary during or between flights as temperature changes.

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