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    Display : All categories 0 Power Systems 765 Electric Motors 431 Brushless Motors 298

    KB20-40L-20L 2900kv Brushless Motor (FIN)

    KB20-40L-20L 2900kv Brushless Motor (FIN)

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    KB20-40L-20L 2900kv Brushless Motor (FIN)

    26 Reviews
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    Product Description

    KB20-40L-20L 2900kv Brushless Motor
    Great for small prop planes or ducted fan!

    KB20-40L-20L
    Shaft Size: ?³2.3mm?~10mm
    Motor Dimensions: ?³20mm?~40mm     Weight: 65g
    Kv: 2900
    Idle current: .7A
    Resistance: .1075
    Max Amp: 12

    Product Specifications
    • Kv(rpm/v) 2900.00
    • Max Current (Motor) (A) 12.00
    • Resistance (mh) 0.00
    • Max Voltage (V) 0.00
    • Power (W) 0.00
    • Shaft A(mm) 2.00
    • Length B (mm) 45.00
    • Can Diameter C(mm) 23.00
    • Can Length D(mm) 38.00
    • Total Length E(mm) 55.00
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    Dimension Diagram Guide

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    Reviews

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    Luco | Verified Buyer

    • Overall
    • Quality
    • Value

    Customer Rated

    Jan 16, 2011

    I put this motor in an 18" rc jet boat that i have. I run it on 3 cells. The motor gives good speed and acceleration with a 3 cell lipo. I use a water cooling mount that i got here at Hobbyking, this keeps the motor cool. A nice little motor.

    El Piafo Masquado | Verified Buyer

    • Overall
    • Quality
    • Value

    Customer Rated

    Dec 16, 2010

    Excellent moteur monte avec ESC Hobbyking SS Series 15-18A ESC en remplacement d'un moteur charbon SPEED400 avec reducteur sur un avion RAMBLER EP400.Le moteur se monte "pil-poil" en lieu et place du SPEED400 ( meme diametre d'arbre et entraxe de fixation pour le reducteur ) , il est un peu plus petit et moins lourd.Au niveau performance , il est equivalent ( voir mieux ) que le SPEED400 et consomme un peu moins.En bref,que du bon pour remplacer vos vieux moteurs charbon , je recommande -)

    HOOXSKY | Verified Buyer

    • Overall
    • Quality
    • Value

    Certified Buyer Rated

    Apr 05, 2010

    i have two piece, i am using this engine on my zagi's. crazy power with 3s lipo and 4540 gws

    | Verified Buyer

    • Overall
    • Quality
    • Value

    Certified Buyer Rated

    Feb 14, 2010

    Verwende den Motor mit 3Zellen 1300mAh, Strom mit 4.75/4.75 Speedprop ca 20Amp.

    Tchobill | Verified Buyer

    • Overall
    • Quality
    • Value

    Customer Rated

    Nov 25, 2009

    Very nice little motor. i use it on an old Robbe Hunter 400 pusher jet with an 5,7x3 APC. On 3S 1800 Flightmax (20C), I have around 26000 rpm for 17 amps. Runs a bit hot, will try a 5x3 soon.

    Very good product.

    addiallo98 | Verified Buyer

    • Overall
    • Quality
    • Value

    Certified Buyer Rated

    Nov 10, 2009

    Anyone has instructions on how to convert to pusher... please help.

    gecky | Verified Buyer

    • Overall
    • Quality
    • Value

    Customer Rated

    Oct 23, 2009

    Got one of these motors in on Slipso.

    Setup:

    KB20-40L-20L 2900kv

    Rhino 1250mAh, 11.1V

    TGS Sport 4.1x4.1E Precision propeller

    Supersimple 30A ESC



    15A at WOT. Speed is thrilling and motor comes down warm after 4 minutes of flight.



    Value for money motor!

    maxx78 | Verified Buyer

    • Overall
    • Quality
    • Value

    Certified Buyer Rated

    Aug 20, 2009

    Works great in my 45 cm Outrigger boat with 4S Turnigy 1300mAh Cells

    Camron | Verified Buyer

    • Overall
    • Quality
    • Value

    Certified Buyer Rated

    Aug 08, 2009

    Super moteur mont sur slipso 400. Je conseil de l'ouvrir et mettre du frein filet sur le filet sinon le moteur s'ouvre )

    Karol Penconek | Verified Buyer

    • Overall
    • Quality
    • Value

    motor

    May 17, 2009

    Hello. I've bought this motor, it runs on 3s 1250 rhino li-po and Tower Pro 30A ESC in my Easy Star. It have 600g. thrust, unlimited vertical on full throttle. It runs hot, but not too hot.



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