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Author Topic: Cobra Motor equivalent to Eflite Power 32???  (Read 4216 times)

Offline Shawn Lenci

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Cobra Motor equivalent to Eflite Power 32???
« on: December 15, 2013, 08:28:41 PM »
I am trying to find out what the closest Cobra Motor equivalent is to the Eflite Power 32?.  The are currently on sale at Innovative Designs and I am trying to figure out which one to buy.

Thanks,

Shawn
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Offline Alan Resinger

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #1 on: December 15, 2013, 10:10:48 PM »
Shawn,
I just ordered 2 of the 3520 Cobra motors.  I got 1 each of the 3520-12, 820 Kv and the 3520-14, 700 Kv.
They bolt right to a mount that fits the E-flite.  Got the fans for the rear also.
Alan 
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Offline Shawn Lenci

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #2 on: December 16, 2013, 10:36:01 PM »
Alan,

Looking forward to hearing a report on how they work compared to the Eflite. :)

Shawn
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Offline Tim Wescott

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #3 on: December 16, 2013, 11:14:34 PM »
Shawn:

The important parameters for flying are the power rating and the Kv.  Weight, mounting detail, size, etc., all matter, but if you get the same power rating and Kv (and if the manufacturer is telling the truth).
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Offline Howard Rush

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #4 on: December 17, 2013, 12:07:12 AM »
Of interest is how long the bearings last and at what temperature the motor disintegrates. 
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Offline Alan Resinger

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #5 on: December 17, 2013, 07:05:30 AM »
Howard,
Word from Joe Parisi down in OZ is that having 3 bearings and using the fan on the rear really helps with the cooling and they perform just like our E-flites do.  He changes to the lower Kv motor if running lower RPM settings. Chris and I both ordered a pair.  Up for a visit from the dynamic due sometime early next month?  We could be bearing a new 12" prop for you.  What color is the new ship going to be.  Ask Mike why.
Alan
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Offline Fred Underwood

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #6 on: December 17, 2013, 11:42:52 AM »
I thought that the 35 case series have 2 bearings, not the 3 that some of the Cobras have.  Some of the general Cobra descriptions mention 3 bearings, but not on these??
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Offline Alan Resinger

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #7 on: December 17, 2013, 12:02:44 PM »
Fred,
I just ordered the 2 motors and also ordered spare bearings.  The web site list the bearings for the 3520 motors and specifically lists sets with 3 bearings.  I don't know as I haven't received the order yet.  Just going by the website.
Alan
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Offline Fred Underwood

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #8 on: December 17, 2013, 01:38:34 PM »
Alan, I have motors coming also, 3520-14, but was optimistic and did not look for bearings :)  I am used to Boca and similar prices, so $6.99 seems almost too good.  As you noted, 3 bearings shown in the package.  That said, I went by the motor description, of the "internal bearing and the outer bearing."  Perhaps a mistake of leaving off (s) from internal bearing(s) in the listing.
Thanks, Fred
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Offline Fred Underwood

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #9 on: December 17, 2013, 04:24:13 PM »
Lucien at Innov8tive confirms 3 bearings on the 3520 series.
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Offline Paul Walker

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #10 on: December 17, 2013, 05:48:28 PM »
Alan,
Does it weigh the same as the e-flite?
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Offline Shawn Lenci

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #11 on: December 17, 2013, 06:25:19 PM »
Hey, I just picked up a few of the Cobra 2826/12 760Kv off of RCgroups today at a basement price.  I am thinking these may work well in a sub 600 sq in ship with Alan and Chris' 11" 3 blades on 5s.  Do you guys think the Kv is too low for 4s?  It is similar in size and Kv to the Scorpion 3026-710Kv that Jason Greer was running in his lite weight Impact at the NATS per the latest issud of SN.

Shawn
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Offline Alan Resinger

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #12 on: December 17, 2013, 08:21:27 PM »
Paul,
The 3520 appears to be about 1/2oz heavier.  The fan unit for the rear of the motor weighs 9g.  Guess I just have to build lighter.
Alan
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Offline Paul Walker

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #13 on: December 17, 2013, 09:44:06 PM »
At 1/2 oz heavier, I'll just use a Plettenberg.
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Offline Alan Resinger

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #14 on: December 18, 2013, 09:17:53 AM »
Paul
Yea, but you have one of those fancy acceometers and one of those high tech switching gizmo things.  Most of us are still using caveman stunt equipment. 
Just weighed my new wing and while I was trying to put it on the scale it started to float away.  Now if I can just keep my finish on the new ship below 25 oz I'll be OK.
Your prop is finished.  I'll wait til after the Chrismas rush to get it off to you.  Think Chris and I are going on a road trip in a couple of weeks to visit Mike and maybe give Howard a nudge or two.   
Alan
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Offline Leo Mehl

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #15 on: December 20, 2013, 03:47:41 PM »
Quote from: Tim Wescott on December 16, 2013, 11:14:34 PM
Shawn:

The important parameters for flying are the power rating and the Kv.  Weight, mounting detail, size, etc., all matter, but if you get the same power rating and Kv (and if the manufacturer is telling the truth).
you mean the truth like the Detroit car makers do. Thats a joke my freind HB~> HB~> HB~> HB~>
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Offline Howard Rush

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #16 on: December 20, 2013, 05:58:48 PM »
Quote from: Alan Resinger on December 18, 2013, 09:17:53 AM
I'll wait til after the Chrismas rush to get it off to you. 

Looks like you're behind me in the queue.

Howard
a man for all seasons
(currently the Christmas Rush)
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Offline RC Storick

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Re: Cobra Motor equivalent to Eflite Power 32???
« Reply #17 on: January 03, 2014, 08:08:57 PM »
Cobra Motor equivalent to Eflite Power 32??? 3515/18  740 KV And lighter than a AXI 2826/12.
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