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HomeRC & PowerAircraftHelicopterFlybarless Rotor Head SystemsSpektrum › subtrim in ar7200
06-12-2013 07:17 PM  5 years agoPost 1
Stykz

rrApprentice

Oldham/ England

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Hi guys
when setting up the tail servo is it okay to use subtrim to get the servo arm at 90 degree angle.
thanks

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06-12-2013 11:35 PM  5 years agoPost 2
Peterr

rrApprentice

Queensland Australia

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Much better to rotate the horn on the spline to get it right ........

E ,N ,G Whiplash's;Spectra G's;Stratus;E&N Razor,Fury 55;Furion6;TSA 600N, 700N, 700G;; Be

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06-13-2013 01:13 AM  5 years agoPost 3
doorman

rrProfessor

Sherwood, Arkansas

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No Subtrim
Subtrim is a big no no on any servo with the 7200BX
Do the wheel as mentioned above.

AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft

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06-13-2013 10:39 PM  5 years agoPost 4
ticedoff8

rrKey Veteran

Morgan Hill, CA. USA

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Doesn't the AR7200BX have a rudder servo "sub trim" feature built in?

That allowed you to set your TX sub-trim to 0 (and servo travel volume to 100%) and then adjust the FBL to center the servo arm and TR linkage to 90 degrees.

After you had that, it would allow you to set the L/R travels limits and 0 degree point on the tail rotor.

I've never played with a Beast or a 7200BX. Sorry.

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06-13-2013 11:19 PM  5 years agoPost 5
doorman

rrProfessor

Sherwood, Arkansas

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No Subtrim
It does have a Tail Center Position/Pulse Length that you set, and then you can set the left and right travel.. but this does not allow you to set the servo to 90 degrees..
I use a servo centering devise to set the arms/wheels to center on all of mine.. then I go through the set up.. if you do not have one, you can center the servo in your rx prior to begining the set up procedures...

Stan

AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft

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06-13-2013 11:22 PM  5 years agoPost 6
helijedi

rrNovice

Noblesville IN

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Parameter menu step 'A' will allow you to 'trim' ail and ele without regard to individual servo

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06-14-2013 02:01 PM  5 years agoPost 7
Stykz

rrApprentice

Oldham/ England

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Cheers guys
Just wanted to double check i have not done it before i just go through my box of jr servo horns but i had a couple in my tsa kit and was going to use one but none give me thee 90 degrees. So i just asked the question

Thanks everyone

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06-15-2013 04:35 AM  5 years agoPost 8
Agilefalcon

rrKey Veteran

Fort Worth, Texas

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On the back of JR servo wheels is a molded in number. Each different number has the splines offset differently. If you try all positions on a #1, try a #2.

Chris Berardi
Team BobbyJack's Hobbies

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