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I need a JR throttle servo (standard size)

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Old 11-17-2004, 05:11 PM
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ptgarcia
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Default I need a JR throttle servo (standard size)

I need help choosing a throttle servo for my Aeroworks Ultimate. I am currently using a JR 537 standard but it is way too slow! Since I built a little mount around it I want a JR servo of the same size. So, without spending $100 (I'd like to spend no more than $50 if possible) what do you guys recommend? I don't know JR servos very well (other than the 8411 and 8611) so I need your help. Thanks!
Old 11-17-2004, 06:54 PM
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Default RE: I need a JR throttle servo (standard size)

jr 810g tail rotor servo way faster than any engine can respond to
Old 11-17-2004, 08:13 PM
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Default RE: I need a JR throttle servo (standard size)

The JR 4721 works pretty good, too.
Old 11-17-2004, 08:59 PM
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Default RE: I need a JR throttle servo (standard size)

Hi Pauly! I have been using the 811 and it seems much better than the 3001 I had on it and much much better than the 245 before that.
HTH

Joe
Old 11-17-2004, 11:19 PM
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Default RE: I need a JR throttle servo (standard size)

IMO, a coreless precession servo is the way to go on throttle. Digitals offer the best precession. My preference would be for a nylon geared unit like 8231 or the faster MG 8417 is an excellent choice.
Old 11-17-2004, 11:56 PM
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Default RE: I need a JR throttle servo (standard size)

ORIGINAL: mglavin

IMO, a coreless precession servo is the way to go on throttle. Digitals offer the best precession. My preference would be for a nylon geared unit like 8231 or the faster MG 8417 is an excellent choice.
Yup. I agree. Trying to land a plane that will never idle the same is a hard thing to accomplish. A digital/coreless servo will offer precision and speed. A digital servo or coreless servo is much more precise and you can bet on a consistant idle speed on final.
I'm using a mini on my throttle in an 80" plane. It's an Airtronics 94145 coreless--metal gears. It's fast, strong, and light. It's not digital, but it beats the heck out of a standard servo.
BTW- the rest of my servos are JR 8231 on my elevators and aileorns and a JR 8411 on rudder with a 4721 on my choke.
Old 11-18-2004, 02:15 AM
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Default RE: I need a JR throttle servo (standard size)

Ive been using 811 on my gassers
Old 11-18-2004, 11:23 AM
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ptgarcia
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Default RE: I need a JR throttle servo (standard size)

Thanks everyone, I appreciate the responces. I have a Futaba 9451 Digital Coreless next to me that I'm going to try. If it's not a drop in fit (I'm lazy and don't feel like messing with the mount) I'll bite the bullet and pick up one of the high end JR precision servos. Thanks fellas!
Old 11-18-2004, 12:37 PM
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Default RE: I need a JR throttle servo (standard size)

John V recomended the JR 811 to me for my SX and thus far it has been great.
Old 11-18-2004, 01:46 PM
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Default RE: I need a JR throttle servo (standard size)

I found a deal on new 811s here on RCU, 2 for 60 shipped. That helped me out considerably.

Joe
Old 11-18-2004, 01:57 PM
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aegis
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Default RE: I need a JR throttle servo (standard size)

I was thinking of using an 811 on my throttle but saw a RCU thread where people were complaining about lots of jittering. Have those of you using them not had a problem?

Dan
Old 11-18-2004, 02:12 PM
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mu2driver
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Default RE: I need a JR throttle servo (standard size)

I have just over 100 flights on my Super-Xtra and it is very accurate for being a "cheap" servo, proly has something to due with it being digital, and nylon gears. Speed seems to be ok, for the throttle and it comes back to the same spot every time. I have mine mounted on the back of my firewall, which isnt the greatest place for any servo to be at.

I will say that as soon as I send out my DS8417mg for a check up I will replace the 811 with that one. The 811 will go in my new 2X2 Extra...oh sweet!

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