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HelicopterRadio - Servo - Gyro - Gov - Batt › Manuvering using a GY401
01-28-2007 11:57 PM  10 years agoPost 1
Ray Fernandez

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Guam (U.S.A.)

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I have read some posts regarding the use of the GY401 gyro and have tried flying it on my helis. I've also heard that you should not do hard 3D with the GY401.

My question is this.......what manuvers CAN'T the GY401 do?

Ray Fernandez - GUAM

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01-29-2007 12:58 AM  10 years agoPost 2
Dood

rrProfessor

Wescanson

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Im not very qualified to answer this question, as I have less experience with gyro's OTHER THAN the 401.

I asked a similar question one time, about using a 401 on a 90 sized machine. It was an observation I had made that hardly anyone uses a 401 on them. So I went into the market for a GY611.

The replies that I had received was that,

The 401 uses the exact same sensor as the GY601.
The 401 can do everything the 601 can do.
The 401 struggles a bit with fast backward flight.
The 401 is a great gyro, just can't touch the 611
Once you use a 611, you will never go back.

I have yet to own a 611. Perhaps once I do, I will more understand the limitations of a 401.

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01-29-2007 01:44 AM  10 years agoPost 3
baby_zyklon

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Singapore

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You can definately do hard 3d with a 401. From my limited flying ability, the difference I found out between 401 and higher end gyro are:

1. The 401 does not hold as well when coming down from a tail slide, not so bad that it is going to give up, maybe just 10-20degree drift throughout the entire slide and entering into a backward loop. Now, if I don't correct it, it cockscrew and the backward loop get real ugly, but it is definately not something I cannot live with. A bit of constant correction solved that. I wasn't using 3d fin though. It does hold in backward circuit.

2. Inconsistent piro rate in FFF and K.E. flight. The piro is slow when spinning against the wind and speed up when spinning with the wind.

There really is nothing that a 401 cannot do, just that a higher end gyro will make it easier and look better. You will know when you need a better gyro.

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01-29-2007 07:21 PM  10 years agoPost 4
Ray Fernandez

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Guam (U.S.A.)

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Thanks for the reply, guys.

Ray Fernandez - GUAM

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HelicopterRadio - Servo - Gyro - Gov - Batt › Manuvering using a GY401
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