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02-01-2011 09:47 AM
VA6WGO
Re: Rudder Servo

It really depends on how hard you fly. I am using two 9156 Futaba servos with a pull-pull configuration in my 35% and I have flown the * out of it and it works great.

I am pretty sure that either 2x 9156s for hard 3D/freestyle is plenty or a single Futaba 9157 for IMAC should work great also.

Cheers,

Will
01-29-2011 03:00 AM
Philip Shaw
Re: Rudder Servo

JR 8711 has 403 oz torque 6 volt .15 sec metal gear
hitec 7980 coreless digital but with titanium gears probly centre better . dont know the speed on this one
hitec 7954 digital coreless metal gear 403 oz torque $ 55.oo less than the 7980 . 7.4 volt .12 sec

Any one of these would do the job all depends on how much cashola you want to spend
01-28-2011 10:38 PM
Bryan Mailloux
Re: Rudder Servo

jr 8711 1 servo direct linkage. Going on 4th season.
01-28-2011 10:18 PM
flyloose
Re: Rudder Servo

Quote:
Originally Posted by Bdegan View Post
How about the Hitec 7980 ??
As much or more torque than the JR and less cost.
I am going to use a single 7980 on my Edge
Point well taken...only thing is the 7980 seems quite slow and I'm concearned that it will drive me nuts...I probably wouldn't notice it flying with my skill level, but on the ground you wouldn't get that speedy flt control check bling
01-28-2011 10:01 PM
Bdegan
Re: Rudder Servo

How about the Hitec 7980 ??
As much or more torque than the JR and less cost.
I am going to use a single 7980 on my Edge



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01-28-2011 09:50 PM
flyloose
Re: Rudder Servo

now I'm thinking maybe a JR 8911 on the rudder, strong and fast. I'll go 7955's on everything else.

Eric
01-28-2011 09:25 PM
Tyler P
Re: Rudder Servo

I have to look it up again, but I believe it's something to do with smoothing the signal out, possibly with a resistor. One of the guys on here did the fix on his 50cc SBach rudder.
01-28-2011 05:51 PM
c114
Re: Rudder Servo

Quote:
Originally Posted by Tyler P View Post
I'm doing a single 7950 on my rudder with the Durant Direct drive setup. Apparently there is an easy fix for the jittering issue the 7950 has, so I'm going to give it a shot.
Whats the easy fix for the 7950s

Rolly
01-28-2011 12:49 PM
Tyler P
Re: Rudder Servo

I'm doing a single 7950 on my rudder with the Durant Direct drive setup. Apparently there is an easy fix for the jittering issue the 7950 has, so I'm going to give it a shot.
01-28-2011 11:24 AM
craigk
Re: Rudder Servo

I prefer a pair of servos in the tail on a push/pull set up

You can easily get away with a couple of less expensive servos and have a bit of redundancy built in rather then have one single on a pull pull arrangent.
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