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Old 04-05-2008 | 12:25 AM
  #9  
rotarydoc
 
Joined: Mar 2008
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From: Laurel, MD
Default RE: Advice setting up G110 gyro in CPP?

SUCCESS!!

You guys hit the nail on the head! I did exactly what you said, and that is to go fully CCW on the gyro gain, and center the trims, and then adjust the rudder basically using the proportional. It did take me a while, for sure, about 2 hours and 3 battery packs, but the effort was so worth it!! This thing flies like a dream now, I have NEVER been able to hover that steadily before! I can almost keep it stationary in a hover now...so cool! Don't know what I would do without you guys!

I do have another issue though...which I am sure you can advise me on... That is, now that it's flying extremely well, I am noticing that I'm having some "revolution mixing" issues, when I throttle it up, the nose takes a left turn...from not enough right rudder being applied to compensate for the main rotor blade/motor torque. My DX6i has revo mixing, but the manual states that it is only to be used with non-heading lock gryos? Also, is this phenomenon unavoidable on a motor driven tail heli?
I can live with it, it's not a big issue at all, just wondering since it is flying so well otherwise. The DX6i manual also states that the revo mix won't compensate for the initial torque reaction...

Now, just to set the record straight, and hopefully prevent someone else from the same pitfall that I fell into...here's the exact wording of the CP Pro manual regarding the 3 in 1 settings when installing a G90 gyro (in bold type, I might add);

"In order to ensure proper operation and the best possible performance of the heading lock gyro, it will be necessary to disable the standard rate gyro and mixer in the 3 in 1 control unit. This is accomplished by turning the proportional mix trimmer pot on the 3 in 1 to the lowest, most counterclockwise position (-). No adjustment of the gyro gain trimmer pot on the 3 in 1 control unit is necessary. "

That bogus info can be found on the top of page 43 in the CP Pro manual...I think Eflite better issue a supplement to the manual for the CP Pro on that one!

THANKS AGAIN !!!

Can't wait to fly this thing tomorrow, I am charging up now!

Glenn