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T-REX 500 › Problem with 500esp after putting inn the G3 flybarless
04-08-2010 02:27 PM  8 years agoPost 1
tagbart

rrNovice

Norway

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I took the heli up in hover to check the headspeed. The tail was making some strange moves. Little up and down, but a little sideways too. After getting the headspeed right, I flew the battery empty, and put in a new. I wanted to check the headspeed one more time. When I had hovered for about one minute the tail suddenly took a 90 degrees turn. I put the heli down to check it, but didn't find out anything. I flew 2 more batteries, but on the fifth when I was taking some tic tocs and stopped inverted, the tail suddenly did a new 90 degrees turn. I got the heli down without crashing. I went home, and checked the heli, but didn't find out anything. I put the gain down a little bit on the elevator and about 5% on the tail. The next time the weather let me fly, I took the heli up in hover again. The tail was still doing the same as before. I took a back flip, and put the heli into inverted. No problems. Then I took the heli down, not inverted, and held the heli about one yard above the ground. Then I turned it 90 degrees to see how the tail was doing. Then suddenly the heli started to turn 360 degrees, and didn't stop turning. So the only thing I could do, was to press the throttle hold switch. And the heli crashed.

I am a VERY big question mark! Does anybody know why this is happening, or have any tips in this case? I would be very thankful for all help I can get.

I use a ds 620 on the tail, and ds 510 on cyclic.

Greetings from NORWAY

I

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04-08-2010 02:29 PM  8 years agoPost 2
michael88997

rrElite Veteran

Lewisville,Tx

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if you go into the flybarless section theres a billion post about this... align has said its a oversensitive sensor causing it and there should be an update coming within a week or so to fix it... you should b able to update at your lhs or where you go it soon then buy the pc link later on

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04-08-2010 04:10 PM  8 years agoPost 3
tagbart

rrNovice

Norway

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The tail wag and the up and down movement I'll guess is the gyro, but is it the 3G that makes the tail suddenly go 90 degrees and suddenly start to turn 360 degrees?

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04-08-2010 04:16 PM  8 years agoPost 4
michael88997

rrElite Veteran

Lewisville,Tx

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It's all caused by the 3g like I said, wait for the update and it will b fixed

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04-08-2010 08:27 PM  8 years agoPost 5
mikejr718

rrNovice

omaha.ne usa

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Can you post some pics of your servo setup and sensor placement?

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