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S2848-3900 Brushless Inrunner 3900kv (11.5T)

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S2848-3900 Brushless Inrunner 3900kv (11.5T)

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SKU:
S2848-3900
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Motor Size: 2848
RPM/V: 3900kv (11.5T)
Max Load: 41A
Max volts: 12v 2~3s
Max Watts: 500w
Resistance: 0.0155

Diameter: 28mm
Front Mounting Hole Distance: 16mm or 19mm
Front Mount Thread Size: 16mm M2.5 / 19mm M3.0
Shaft Diameter: 3.17mm
Shaft Length: 12mm
Can Size: 380
Plug type: 3mm Bullet-connector
Weight: 142g

  • Kv(rpm/v) 3900.00
  • Max Current (Motor) (A) 41.00
  • Resistance (mh) 0.00
  • Max Voltage (V) 12.00
  • Power (W) 500.00
  • Shaft A(mm) 3.18
  • Length B (mm) 48.00
  • Can Diameter C(mm) 28.00
  • Can Length D(mm) 48.00
  • Total Length E(mm) 60.00
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| Verified Buyer

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Certified Buyer Rated

Feb 15, 2015

Motor de repuesto original para SHORT COURSE 4x4

Andy | Verified Buyer

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Customer Rated

Apr 02, 2013

Super happy with this motor in my Slash 1/16.
Gearing is 25T pinion, stock spur. I paired it with the Turnigy 45A Car ESC, and 2 turnigy Nanotech 1400mAh 3s LIPOSs running parallel, and has a lot of power. ESC stays nice and cool, and I get upwards of 50 min of run time bashing. After 35 min of hard driving motor temps were 128f, ESC was 100f and LIPOs were 70f. Ambient temp was 53f.

It has so much more power than I need, I set motor timing to 0, punch to "med-low". Absolutely no cogging, and runs smooth and cool. The little truck will hit 35mph to 45mph depending on weight (with 2 batteries, or just one) and timing settings. Only thing left to do is seal the diffs and add 50K wt oil, so the isnt so susceptible to torque roll. Very Happy with this motor.

edit: when I did speed runs the motor hit 158f, so if you want to do non stop speed runs, you should gear down to 22T - 23T. And do the same during the summer. Also pairing it with the Turnigy 45A Car ESC, its just plug and play, and just need to install a battery plug.

HENRY | Verified Buyer

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Customer Rated

Feb 12, 2013

Bon moteur avec une turbine de 70mm et 4S Lipo 2500Mah.

Mont sur un Twister Multiplex, meilleur que le moteur d'origine.

Je recommande et je vais en recommand un autre.

HENRY | Verified Buyer

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Customer Rated

Jan 28, 2013

SUPER MOTOR - INSTALLE SUR UNE TURBINE EDF 70MM 5 BLADES BATTERIE LIPO 4S-2450 - UNE VRAIE BOMBE SUR LE TWISTER MULTIPLEX - EXCELLENT MOTEUR DE REMPLACEMENT AVEC LA TURBINE D'ORIGINE, VOTRE TWISTER SERA MECONNAISSABLE, JE LE RCOMMANDE D'AUTANT QUE LE PRIX EST BAS POUR UNE TRES BONNE QUALITE !

harstrat | Verified Buyer

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Customer Rated

Dec 21, 2012

I use this in my T-45 with haoye 64mm fan 7 blade. on 3s the thrust is 700gr and 47Ampere and on 4s is 1100gr. but on 4s after 2 minute the motor is hot.

Helimike1976 | Verified Buyer

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Certified Buyer Rated

Oct 30, 2012

getting this as a replacement in my 1/16 beatle, get pinions too you'll need them.

HARD DRYVE | Verified Buyer

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Customer Rated

Oct 01, 2012

This motor has insane power!!! I wish I had a Watt Meter!!! With a HET 6904 Fan Unit and 100A esc on 3000 mAh 4S lipo in an 70mm Eflite BAE Hawk...serious power and very good quality.

sashaNar | Verified Buyer

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Customer Rated

Aug 22, 2012

Great motor. Working in my e-revo with 60 amp esc and 23/50 spur and pinion. For off road, 2s. For onroad - 3s.
Changed connectors to Polymax 4mm gold. They hold this load a lot better.

keel1 | Verified Buyer

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Certified Buyer Rated

Jul 20, 2012

Yes looks a great motor but even though i have purchased it in the last 45 days , i am still waiting to receive it. So the review will have to wait as well.

piruja | Verified Buyer

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Customer Rated

Jul 03, 2012

I received this motor, and my first idea was to use it in an EDF 70 mm, Changesun 4 blades fan, very good motor, 55 Ah with 4S, 2,2 Ah. But when I installed this EDf in my HK F5, 1,3 Kg servoless retracts, carbon fiber reinforcements in main wing. In the first flight I notice a change in the noise of the fan, and I landed inmediatelly, It was the motor shaft, the rotor fan pulled so hard that moves forward the shaft out of the rear bearing, so it was dismantled. What can I do, I am going to try to make a slot on the rear part of the shaft and add a press ring (sorry I dont remember the name in english) in order to avoid the shaft to go forward because of the big power, I hope it operates well, if somebody had the same problem, pls share the possible solution.

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