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PostPosted: Tue 08. May 2018 8:55:20 
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Joined: Tue 03. Oct 2017 12:14:24
Posts: 38
Hello all together,
I flew yesterday with my TRex 550X (Spirit Pro, Setup mostly default settings).
Wind speed was approximately 25 km/h.
After or while a climb with full pitch I wanted to make a rudderturn to right side, but the heli did not or only very slowly react to the input. Left rudderturn was o.k.
I tried then rudderturns in both directions in normal pitch positions and all was o.k.

Is this “weakness” of right rudder a normal behavior because of the torque of mainrotor or have I to change my setup?
Thank´s in advance for every hint and with best regards

Roland


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PostPosted: Tue 08. May 2018 9:05:17 
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Joined: Mon 29. Apr 2013 16:06:44
Posts: 7492
Hello,

this could happen, if the head speed is too low / rudder efficiency is too low.
If it is mechanical issue, you can only increase the RPM or use a longer tail blades.
If it is configuration related, then you can increase Pirouette Consistency by 10 - 20 points to make it better.

It depends on what RPM you are flying?

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PostPosted: Tue 08. May 2018 9:53:06 
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Joined: Tue 03. Oct 2017 12:14:24
Posts: 38
Hello Tomas,

thank You very much for the quick reply.
Align offers für this Heli tail blades with 90 mm and 95 mm. I ´m the 95´s.
Head Speed RPM was 2000 rounds in Spirit Governor Mode.
I think, I will try to increase Pirouette Consistency and will give a feedback then

With best regards

Roland


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PostPosted: Tue 08. May 2018 9:55:47 
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Joined: Mon 29. Apr 2013 16:06:44
Posts: 7492
You can try to increase to 2200 - 2300 RPM. This should be optimal headpseed for this helicopter.
For 3D they are using even 2500.

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PostPosted: Tue 08. May 2018 10:23:34 
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Joined: Tue 03. Oct 2017 12:14:24
Posts: 38
O.k, thank You.

I will try this too.


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