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HomeRC & PowerAircraftHelicopterRadio - Futaba FASST › Using a GY520 on my Trex 700LE - How to adjust piro rate...
03-14-2010 01:13 AM  8 years agoPost 1
Rockohaulic

rrElite Veteran

Canyon Country, CA, USA, 3rd Rock from the Sun

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On page 25 of the manual, it says to set Tail rotor ATV/EPA to 100%.

Then it says to Set D/R to 75%. It says to make adjustments to "these values" to adjust piro rate.

I've always used Trvl Adj/Rudd (JR radio) to adjust how fast or slow my heli piros. I've never used D/R for anything heli related. I've used Trvl Adj for all of my gyros (401, Solid-G, Mini-G, Spartan), and it always works fine.

So can I go ahead and leave the D/R alone on this GY520, and continue to use Trvl Adj like I've always done???

Saturday morning I flew my helicopter in my pajamas
How it got in my pajamas I'll never know

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03-14-2010 01:20 AM  8 years agoPost 2
badbill

rrApprentice

Centerville, Georgia

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It's just using the dual rate instead of travel adjust. Move from 75 up if it's too slow, or down if it's too fast. OR, don't use dual rates- start w/ the travel adjust on 75 and move up or down to your preference.
(dual rates on 100%)

Bill Davenport
AMA 28141

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03-14-2010 04:29 AM  8 years agoPost 3
WJackson

rrElite Veteran

Smyrna, Delaware

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Hey Rock,
it's just like the jr770 in a way and in fact allgyros could be done this way.
You can use the ATV's to dial in your left and right hand piros to get them even.
Now with D/R it will change left and right piro rates equally.
If you just increased your ATV's it would still act like the 401/611 etc...

RIP Roman
Bill Jackson
AlignUSA

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