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Align 3G FBL System Align 3G FBL Flybarless System Software and Hardware Support


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Old 01-23-2010, 10:55 PM   #1 (permalink)
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Question Heli Twitching Right When Doing Collective Punch

Just tried out the FBL today and I must say I'm very impressed. However, when pull back my elevator to do a rainbow and double punch to negative to punch the heli back to the other direction the bird seems to twitch a little to the right before leveling out. I have tried increasing and decreasing the aileron gain but does not seem to eliminate the problem.

This symptom also becomes apparent during a tailslide when you level out hard and you can definitely see the heli twitches right for a sec before leveling out.

Anybody come across this problem? Hope I am clear in the way I explained it.
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Old 01-24-2010, 09:58 AM   #2 (permalink)
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Hmmm 61 views and still no advise from anyone? Don't tell me I'm the only one getting this
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Old 01-24-2010, 10:11 AM   #3 (permalink)
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It's a new system and you'll have to be patient! How are tic tocs? Do they wobble? Tail holds? What heli, blades and servos?
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Old 01-24-2010, 06:59 PM   #4 (permalink)
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Quote:
Originally Posted by OnTheSnap View Post
It's a new system and you'll have to be patient! How are tic tocs? Do they wobble? Tail holds? What heli, blades and servos?
Yeah I guess...just a little anxious coz I really like to system and if I can get rid of this issue then this system is perfect.

Getting more or less the same thing (banking to the right) with tail down tick tocks when I punch back to upright. Aileron tick tocks looks pretty okay. Tail is holding very well (no deviation when doing tailslides) but slight wagging during hover. Gain is at 42 in Futaba Gyro Sense

I am using Torsion blades (non-flybarless), Align 610 (8v) on cyclics, BLS 251 (5v) on tail.
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Old 01-24-2010, 09:11 PM   #5 (permalink)
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I would try to just use a piece of 3M tape for the sensor. It really cleans up the movements of the heli - both on the tail and the cyclics. I found it makes a huge difference.

If it is too shaky with 1 layer, go for 2.
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