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FMS 4250-KV580 Motor

Brand: FMS /
Regular price 44.99 $4499
Status: Only 4 left, order soon!
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FMMKV580

FMS 4250-KV580 Motor - FMMKV580

This motor is used in the FMS P-51D (1400mm as upgrade), FMS BF-109 (1400mm), FMS T-28 (1400mm), FMS Zero (1400mm), and FMS Corsair (1400mm)

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Product Reviews

Customer Reviews

Based on 39 reviews
5 Star
87% 
34
4 Star
10% 
4
3 Star
0% 
0
2 Star
3% 
1
1 Star
0% 
0
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AA
10/21/2018
ARTHUR A.
United States

FMS 4250-KV580 MOTOR

1. Excellent spare replacement part incase of serious crashes. 2. Ease of replacement. 3. Excellent quality. 4. Same rating for all the other parts listed purchased on this form. THANKS: rudee1945@yahoo.com

SB
09/05/2018
SCOTT B.
United States
  • How would you rate the overall quality of the product? Very LowLowOkayGoodVery Good
  • How would you rate the value of the product for the money? Very LowLowOkayGoodVery Good
  • How difficult or easy is the product to assemble, use, or operate? Very DifficultDifficultAverageEasyVery Easy
  • How well does the product perform / function? Very WeakWeakOkayGoodVery Good

Great upgrade!!!

This makes a significant improvement in performance!!! I do not understand why going from a 540 KVA to a 580 KVA motor would make this much difference, but it does. I use it in a FMS 1450 mm P-51 with the sip tie prop mode. It accelerates, climbs, and fly's faster. I find I am able to throttle back more and get about the same battery life.

GW
08/26/2018
George W.
United States

Excellent Motor

I installed this motor on an HSD A6M Zero. It works fantastic. I´m using a 12/6 prop. Very quiet and lots of power.

DE
04/04/2018
Dale E.
United States
  • How would you rate the overall quality of the product? Very LowLowOkayGoodVery Good
  • How would you rate the value of the product for the money? Very LowLowOkayGoodVery Good
  • How difficult or easy is the product to assemble, use, or operate? Very DifficultDifficultAverageEasyVery Easy
  • How well does the product perform / function? Very WeakWeakOkayGoodVery Good

Upgrade for FMS P-51B

Purchased motor for upgrade to FMS P-51B . The first motor Motion sent me was defective (missing a magnet). They made it right and sent another. Second one works perfectly. That, along with the propeller pitch mod, has given the P-51B the speed that was missing with the original setup.

RG
11/30/2017
Raymond G.

Rpm

I installed this motor on my Red Tail P51 mustang it gave me around 1400 more rpm. Now my mustang flys just right

Raymond G. verified customer review of FMS 4250-KV580 Motor
MM
09/14/2016
Michael M.

No Motor Mount

This brushless 4240 580 kv was designed as a replacement motor for the FMS 1400 mm series of planes. But unless you are going to use it one of those planes, it has serious deficiencies. It comes with no motor mount. Mine came with a bolt on prop adapter, and appears to have been intended for use in the FMS 1400 mm Zero. I had other plans for the motor. There is a problem with the prop adapter. The bottom half inch or so of the shaft has a hexagonal shape--apparently intended to fit the back of the Zero propeller. It doesn't fit any other propeller that I know of. And since Motion RC doesn't seem to offer a complete replacement propeller assembly for the Zero, I'm sort of out of luck. Bottom line--unless you intend to use this motor as a replacement in your FMS 1400 mm Zero--don't buy it.

MI
09/07/2016
Michael i.

P51B Snoot's Upgrade

The upgrade motor makes a difference. I have also done the zip-tie prop mod so the Snoot scoots right along. The new top speed is very noticeable and vertical climb is much improved. I would say with the zip-tie prop mod the motor is worth the money spent for better performance.

BM
05/04/2016
Bill M.

Like going from a Allison to a Merlin

I have two a P-51b & a P-51d one came with the 540 & one came with the 580, what a deference!

U
02/10/2016
Unknown

Best

Motion RC is the best, parts on hand and very fast ship!!!

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