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HelicopterRadio - Spektrum DSM › Throttle servo
07-10-2008 02:29 AM  9 years agoPost 1
rc.chris

rrApprentice

brunswick, ga. 31525

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Which JR servo is a good throttle servo for a 600N. I dont know much about thr JR's, I have always had Futaba servos, but I put 8717's and a 8900 on the new Trex and wanted to get another JR for the throttle!

http://www.jaxrc.com

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07-10-2008 03:10 AM  9 years agoPost 2
Dood

rrProfessor

Wescanson

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You're talking about a THROTTLE SERVO here.
Put a DS821 on it.

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07-10-2008 03:16 AM  9 years agoPost 3
JRjoe

rrElite Veteran

Jonesville , IN USA #1

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I'd say NO to the 821. I know there's no load on it but they are not recommended on nitro helis.

Just my opinion, but i don't trust them at all.


JRjoe.....
Indoor plumbing??? No, we don't need that!!!

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07-10-2008 03:19 AM  9 years agoPost 4
Dood

rrProfessor

Wescanson

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THROTTLE SERVO!

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07-10-2008 03:40 AM  9 years agoPost 5
BarracudaHockey

rrMaster

Jacksonville FL

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Same or worse vibration. Don't do it.

Andy
AMA 77227
http://www.jaxrc.com

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07-10-2008 03:47 AM  9 years agoPost 6
CrashMaster91

rrApprentice

Phoenix, AZ

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I run an 811 on all of my equipment. No problems there. and they work great with the gv-1, ATG, and Throttle jockey.

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07-10-2008 04:26 AM  9 years agoPost 7
gbeeu

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BC, Canada

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Same or worse vibration? Please explain. I am fairly new to the hobby and am interested as well as rc.chris.

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07-10-2008 04:39 AM  9 years agoPost 8
jphilli

rrKey Veteran

Atlanta, Ga.

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I'm using an 821 as a throttle servo now although it leaves a bitter taste.

Whenever I make another order, off she goes and it's going to be replaced with a fast mini and an adapter plate.

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07-10-2008 08:35 AM  9 years agoPost 9
ofir

rrApprentice

tel aviv - israel

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DS821 works fine, but I saw some electronics failures because of the shakings. (inside PCB soldering broke).

My name is Ofir and I am a helicopters addict...

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07-10-2008 10:47 AM  9 years agoPost 10
xahhax

rrApprentice

Switzerland, Lausanne

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I will put a 9452 as throttle in my 700.
I run a 3451 in my 600N with a multigov and works fine

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07-10-2008 11:21 AM  9 years agoPost 11
gt900uk

rrKey Veteran

Scotland

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I have been using a DS811 on my 600N with no problems.

This Heli Will Self Destruct In Five Seconds!!

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07-10-2008 12:11 PM  9 years agoPost 12
Mutt

rrKey Veteran

M ca usa

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I have to agree with the satement do not put a DS821 I had them in a 30 size heli and the throttle servo locked up at hover speed and had to run it till it ran out of fuel those are the worse pos servos I ever seen.

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07-10-2008 12:40 PM  9 years agoPost 13
ofir

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tel aviv - israel

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indeed, POS servos.

My name is Ofir and I am a helicopters addict...

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07-10-2008 12:44 PM  9 years agoPost 14
BarracudaHockey

rrMaster

Jacksonville FL

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Do what you want but JR specifically warns against using them in a 50 size nitro due to problems with vibration. It doesn't way sport flying or scale flying or anything else, they say not to use them.

If you consider the popularity of those radios, and the popularity of 50 size helicopters, you might consider what it took for them to step up and warn people against using them.

Andy
AMA 77227
http://www.jaxrc.com

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07-10-2008 12:50 PM  9 years agoPost 15
kevcourt

rrNovice

oklahoma city, ok

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throttle servo

fyi...I'm know body...but you want your throttle servo to be as fast or faster than your cyclics.......to state which servo is best, that's a matter of opinions...i personally put the same thats on my cyclics. Expensive...i know, but if you do any type of 3d flying you wouldn't want your head to get ahead of the throttle and bog down your motor.....crash!

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07-10-2008 12:54 PM  9 years agoPost 16
BarracudaHockey

rrMaster

Jacksonville FL

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Thats not as important as some people make it.

Swashplate servos are always under load where the throttle is under no load so even the same servo will always be faster. Its also no moving very far in idle up. There's no point in a 100 dollar tail servo either as it will be moving the throttle arm back and forth faster than an IC engine can respond to throttle changes.

Anything faster than .2 or so is fine.

Andy
AMA 77227
http://www.jaxrc.com

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07-10-2008 01:47 PM  9 years agoPost 17
reddragon

rrElite Veteran

Brooklyn, N.Y.

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Agreed. Having a blazing fast throttle servo is imperceptable and not needed.

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07-10-2008 01:54 PM  9 years agoPost 18
kevcourt

rrNovice

oklahoma city, ok

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RC.Chris
My advice is to check with best. Curtis Youngblood, Alan Szabo, and etc. Forums these days are to opionated and conflicting. Seems everyone try's to one up the other. The very reason you'll seldom see any post from me. I try to be a person with facts not opinions. Decisions are left up to the individule. You seem to have made a great decision already with the servo's you have choosen. I sure you probably know whats best for you at this point. Good luck and have fun.

P.S. To add to the opinion of others. To put a cheap servo on the trottle or tail of a machine, is like saying give me a sick heart or kidney for a transplant. Just know your electronics is the heart of the machine. As far as to the previous respone. My opinion, keep in mind. Your statement only makes half way sense if a gov. is in use on the throttle. For others reading this. Don't compromise your tail servo. It's like your equalibrium. It's what gives you stability in the air.

Sorry if this came off wrong to anyone. I am far and few.

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07-10-2008 02:13 PM  9 years agoPost 19
BarracudaHockey

rrMaster

Jacksonville FL

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Please note that I did not suggest using a cheap tail servo. I said that you don't need to use a 100 dollar tail servo on the throttle.

Also, about the pros. First, they get free or heavily discounted equipment, most us dont. They can also tell very subtle differences in setup and get the most from a machine, most of us can't.

Not trying to one up you.

Andy
AMA 77227
http://www.jaxrc.com

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07-10-2008 02:28 PM  9 years agoPost 20
Mutt

rrKey Veteran

M ca usa

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lol two posts and allready little slams to others here.

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HelicopterRadio - Spektrum DSM › Throttle servo
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