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250 Class Electric Helicopters 250 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar. |
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05-31-2015, 07:45 AM | #1 (permalink) |
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Join Date: May 2015
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Trex 250 pro dfc combo Building and setup trouble
Hi everyone,
I'm a newbie to heli building, and trying to complete my Trex 250 pro dfc combo. I've got multiple issues concerning the overall configuration, and a plastic bag that left, despite my effort I can't find it in the manual, ref. is "250HZ11". My first issue is that my heli do not react like it should, I did some test and here how the heli respond to each command: When I go forward, the heli goes forward and on the left. When I go backward the heli goes backward and on the right. When I go on the left the heli goes on the left and tilt backwards. When I go on the right the heli goes on the right and tilt forward. sorry its a little repetitive, but do someone know where it could come from? Thx for any help |
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06-04-2015, 11:19 AM | #2 (permalink) |
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Well, for one, which gyro unit and radio are you using and do you have the correct servo selection made in the setup menu?
If you're getting a weird mix of two controls it means you probably have the wrong setting programmed (most units use 1-servo, 120° swash setups). My next question is have you resized the ball links? I know the genuine Align links are pretty closely sized from the factory, but any binding at all seems to send these little machines careening around almost uncontrollably. If that's not the problem, then you likely have your servos plugged into the wrong ports and/or your direction of correction is probably reversed (or the actual surface control).
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Tim KBDD TEAM PILOT --Si vis pacem, para bellum-- |
06-04-2015, 01:33 PM | #3 (permalink) |
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Join Date: Jun 2009
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The T-Rex250 DFC Pro comes with a 3GX FBL and you should be selecting HR3 for your swash, which is a 120 Deg servo setup. HR3 is on a Futaba transmitter, choose the equivalent on a different make of transmitter.
If you can post a pic of the parts in the bag you have left over we can all try and help you.
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T-Rex 550E V2 Spartan VX1n, T-Rex 250 PRO DFC Spartan VX1n, Blade 130X. Futaba T8FG Super |
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