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Electric General Discussion
› 8s vs 10s... What Happens???
02-16-2011 06:22 PM  6 years agoPost 1
doorman

rrProfessor

Sherwood, Arkansas

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I have a motor that I want to use on a project that I had set up for 10s power.... the motor I want to use is stating in the info max 8s...
SOOOOOOO, my question is what happens if I run this motor on my 10s set up????

Thanks, Stan

AMA 2918-Team JR, Spin Blades, East Coast Scale Helicopter,Castle Creations

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02-16-2011 06:29 PM  6 years agoPost 2
BarracudaHockey

rrMaster

Jacksonville FL

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Could very easily let the magic smoke out

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

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02-16-2011 10:08 PM  6 years agoPost 3
doorman

rrProfessor

Sherwood, Arkansas

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Sort Of Figured.....

Thanks Andy,

Was just hoping that someone would say not a problem/close enough not to worry...HA...!!!!!

I am convinced and went another direction, and back on the right track..... the postman LOVES ME!!!!!!

Stan

AMA 2918-Team JR, Spin Blades, East Coast Scale Helicopter,Castle Creations

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02-16-2011 10:52 PM  6 years agoPost 4
Justin Stuart (RIP)

rrMaster

Plano, Texas

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I've ran motors on higher voltages than recommended. The trick is that you need to gear them lower. This reduces the load and therefore decreases the risk of magic smoke.

Avant RC
Scorpion Power Systems
Thunder Power RC
Kontronik Drives

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02-17-2011 12:38 AM  6 years agoPost 5
Flying Brian

rrElite Veteran

St. Clairsville,​Ohio

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I think if you use the proper ratio for it, it should work fine. Keep an eye on thise temps...

"I just don't Listen" "

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02-17-2011 12:47 AM  6 years agoPost 6
psych-lick

rrKey Veteran

Portland, OR

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voltage to a motor is not much of a factor as long as you use the proper pinion.

The thing that burns motors is current (Amps). Every motor should have a current rating.

You should be fine as long as you use a smaller pinion and keep an eye on the current and motor temp.

-Jeff T.

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02-17-2011 01:03 AM  6 years agoPost 7
doorman

rrProfessor

Sherwood, Arkansas

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Thanks Everyone....

That is the line of thinking that I had... the motor is actually larger then needed, but had the right kv for me to step the pinion way down from where I was, so I thought the lighter load on it might be OK...
I may still give it a go, just to see how/if it works that way that I had thought...
Thanks for the info.... Stan

AMA 2918-Team JR, Spin Blades, East Coast Scale Helicopter,Castle Creations

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02-17-2011 04:59 AM  6 years agoPost 8
Sig Dawg

rrApprentice

Yorkton, Sask.,​Canada

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One other thing to look at is some motors have a max rpm on them. With 10S you may exceed the max (recommended) rpm of the motor.

Jason

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02-17-2011 02:09 PM  6 years agoPost 9
ScaleWars

rrNovice

Colonie, NY

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If you have a Castle ESC you can "play" with the numbers on their computer program. It helps for the different batteries, motor rpm, and gearing.

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02-17-2011 03:13 PM  6 years agoPost 10
garyl

rrVeteran

taxachussetts

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Stan,

I run an AXI motor in my big cobra that is only designed for 10S on 12S. Like was said just do not exceed the max amp rating and your OK. The RPM spec is for the windings, in the out runners you can use the motor spinning the windings or the magnets. The aircraft guys will mount it so the winding portion spins and this is where you have to heed the RPM spec. so you don't blow the windings apart. heli applications will end up spinning the magnet portion of the motor, the magnets are glued to the side of the can and centrifugal force keeps them in place anyway. Based on this RPM is not so critical anymore.

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02-17-2011 04:18 PM  6 years agoPost 11
doorman

rrProfessor

Sherwood, Arkansas

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Good Info .....

Well this is getting interesting.... I am going to need to do a little "experimenting" with this one....
I have resolved and chosen the direction with the project at hand, but his could be an interesting solution for another that is on the table at this time!!!

Appreciate all the info..... Thank you, Stan

AMA 2918-Team JR, Spin Blades, East Coast Scale Helicopter,Castle Creations

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› 8s vs 10s... What Happens???
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