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06-07-2007, 09:32 PM
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#1 |
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GRAVITY SUCKS
 
Join Date: Jan 2006
Location: florida
Posts: 4,281
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GOOD SERVOS ARE THEY GOOD ENOUGH?
hey giants help me out a little bit. i have what i think are good servos. i know they are but,,,,,, are they good enough for 50cc plane?? extreme yak 50cc airplane and a qq yak 50cc.. the servos i have in my personal stock are either jr 4131's or ds8231'S would you think that these would be good enough to put on the elevator halfs?? or not? i wouldnt use them on the ailerons but i was thinking that they would be ok for the elevator halfs. what ya think????? also do you think that 4127 on the ailerons will be ok??????
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06-07-2007, 10:36 PM
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#2 | ||||||||||||||||||
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Bad-ass Super Contributer!
Join Date: Feb 2007
Location: Conroe, Texas U.S.A.
Posts: 3,676
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Re: GOOD SERVOS ARE THEY GOOD ENOUGH?
When you say 4127, do you mean the good ol' 4721's that were the workhorse coreless servos before JR came out with digitals? If so, those handled my old Nosen Mustang and Ziroli Bearcat (RIP to both of them.... They were dumb-thumbed by their new owners after me!!) years ago with no sweat. Probably okay on elevator halves but I'd think about it on big ailerons of a 50cc bird. WT 
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06-07-2007, 11:14 PM
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#3 |
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Gettin' Lower!
 
Join Date: Apr 2007
Location: B.C. Canada
Posts: 52
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Re: GOOD SERVOS ARE THEY GOOD ENOUGH?
4131's are slow by todays standards. If you're not flying with3d throws that might not be a problem.
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06-07-2007, 11:15 PM
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#4 |
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GRAVITY SUCKS
Join Date: Jan 2006
Location: florida
Posts: 4,281
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Re: GOOD SERVOS ARE THEY GOOD ENOUGH?
yep 4721 my bad. thats the ones, i have 2 brand new that need to go somewhere. and i just thought they might work in this plane but just wasnt shure. if they were metal gears i wouldnt even ask. you dont think the 4131 will work in the elev halfs??
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06-08-2007, 03:21 AM
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#5 |
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I'm done!!! Your loss!
Join Date: Jan 2006
Location: TFC
Posts: 3,338
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Re: GOOD SERVOS ARE THEY GOOD ENOUGH?
4721's are good servos, but they aren't MG's(Metal Gears). I would prefer to see MG servos on ailerons over elevator or rudder. Guys have flown them on anything upto and including 40% planes. And this was of course LONG before digi servos.
The 8231's are 82 oz in torque at 4.8V, if I recall correctly??? What are the 4131's??? Both are plastic gear sevos............. HMMMMMMMMMMMMMMMM................. Me personally would be concerned with flutter............ But that is me. Different folks will have different opinions on this.
__________________
*Insert witty comment here* |
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06-08-2007, 07:15 AM
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#6 |
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Bad-ass Super Contributer!
Join Date: Jan 2006
Location: Mayfield, Ky, USA
Age: 50
Posts: 304
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Re: GOOD SERVOS ARE THEY GOOD ENOUGH?
go with high torque digi's. the new planes have very large control surfaces and can flutter at speed, also when using 3D throws on these large surfaces we need a bunch of torque. you will someday build a smaller plane that the other servos will work great on so don't risk you new plane on weak servos. just how i roll
 .randy |
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06-08-2007, 10:09 AM
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#7 |
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100% EDGE Builder
Join Date: Jan 2006
Location: Guthrie, OK
Age: 38
Posts: 1,038
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Re: GOOD SERVOS ARE THEY GOOD ENOUGH?
I ran 8231's on each aileron and on each elevator on this size plane with no issues. While not the best they should serve you fine.
Dan |
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06-08-2007, 03:43 PM
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#8 |
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I'm only 'twee years old
Join Date: Feb 2007
Posts: 1,214
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Re: GOOD SERVOS ARE THEY GOOD ENOUGH?
*
Last edited by porcupineace; 06-14-2007 at 07:20 AM. |
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06-08-2007, 03:44 PM
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#9 |
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I'm only 'twee years old
Join Date: Feb 2007
Posts: 1,214
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Re: GOOD SERVOS ARE THEY GOOD ENOUGH?
*
Last edited by porcupineace; 06-14-2007 at 07:20 AM. |
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06-08-2007, 03:45 PM
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#10 |
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I'm only 'twee years old
Join Date: Feb 2007
Posts: 1,214
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Re: GOOD SERVOS ARE THEY GOOD ENOUGH?
*
Last edited by porcupineace; 06-14-2007 at 07:19 AM. |
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06-08-2007, 03:47 PM
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#11 |
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I'm only 'twee years old
Join Date: Feb 2007
Posts: 1,214
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Re: GOOD SERVOS ARE THEY GOOD ENOUGH?
*
Last edited by porcupineace; 06-14-2007 at 07:19 AM. |
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06-08-2007, 08:51 PM
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#12 |
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GRAVITY SUCKS
Join Date: Jan 2006
Location: florida
Posts: 4,281
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Re: GOOD SERVOS ARE THEY GOOD ENOUGH?
yea thats what i thought as well. i just wont use them in this plane. or any 30% for that matter. well maby a warbird
 . ok 8231 are sold need to try and get some better servos
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06-08-2007, 09:10 PM
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#13 |
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If you can't HUCK it BLING IT!
Join Date: Jan 2006
Location: Just Moved.......Hampton VA
Age: 37
Posts: 9,269
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Re: GOOD SERVOS ARE THEY GOOD ENOUGH?
2721 are good.....8411, 8611, 8611A, 8711
All good.
__________________
Offical Member of Team Caribou Lou "Some people spend an entire lifetime wondering if they made a difference in the world. But the U.S. ARMED FORCES don't have that problem." ...Ronald Reagan |
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06-08-2007, 09:48 PM
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#14 | ||||||||||||||||||
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GRAVITY SUCKS
Join Date: Jan 2006
Location: florida
Posts: 4,281
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Re: GOOD SERVOS ARE THEY GOOD ENOUGH?
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