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PROPDRIVE v2 4238 750KV Brushless Outrunner Motor

PROPDRIVE v2 4238 750KV Brushless Outrunner Motor

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$30.79
Rating:
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Weight:
305 g
SKU:
9192000341-0

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Product
Description

PROPDRIVE v2 motors are designed to perform right out of the box with tight windings, smooth bearings, correctly rated magnets, precision cut stator and balanced rotors.

 

We design and build the PROPDRIVE v2 motors completely in-house allowing us to control every aspect of production. We control the entire production line from material sourcing to machining, balancing and final assembly. PROPDRIVE motors can be trusted to provide years of reliable service at a price every modeler can afford.

 

We have included a collet style adapter, as well as a bolt on prop adapter.

 

All performance figures are the result of realistic testing on our own motor dynos.

 

Specs:
Model: PRODRIVE v2 Series 4238 750KV
KV: 750 kV
Max current: 55A
ESC: 70~80A
Cell count: 3s~4s Lipoly
Pole Count: 14
Bolt holes: 25mm
Bolt thread: M3
Shaft: 5mm
Connectors: 3.5mm Bullet
Weight: 156g

Product
Specifications

Additional Information

  • SKU:
    9192000341-0
  • Brand:
    No
  • Weight(g)
    305.00
  • Length
    148.00
  • Width:
    64.00
  • Height:
    93.00
  • Kv(rpm/v)
    750.00
  • Max Currents (A)
    56.00
  • Power (W):
    785.00
  • Length B (mm):
    38.00
  • Can Length D(mm)
    18.00
  • Max Voltage(V)
    17.00
  • Shaft A(mm):
    5.00
  • Unit Weight (g):
    156
  • Diameter C(mm)
    42.00
  • Total Length E(mm)
    60.00
  • Resistance (mh):
    29.00
Community
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playlist_add_check Overall
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verified_user Quality
I bought this "4238" motor for a Spacewalker I bought here on HK. I was using an 820kv 4010 Donkey (680w max) for my test flying before I fitted the 4238.
The Spacewalker is 58in span and weighs almost 2.6kg and the Donkey was running a tad hot with these props - 15x8, 14x7, 13x6....... I ended up throwing two can magnets off the donkey on the last flight, but they must have melted off after the flight, as the airflow suddenly ceased flowing and the Donkey was still hot. Lucky me! I didn't discover the displaced magnets until I pulled the Donkey out to replace it with this motor, and it was obvious that the Donkey had not run (could not run) in that condition.
Anyway, back to the 4238 propdrive motor..... I was shocked when I opened the big box, my motor came in a big box labled "4250", and it looked even smaller in there. It was not nearly as big and heavy as the Donkey, and frankly, I expected to see a much bigger motor.
I checked the specs again on this webpage, and what I thought must have been a misprint was actually true, this motor has a stator length of just 18mm with a measured can length of only 22mm, I was gutted!
So, what to do, ...... try it anyway! So today I ran it through it's paces on the Spacewalker with a 14x7 and it was just hunky dory, doing everything it need to do and keeping cool in the process, I'm speechless!
It was cloudy today, but quite hot and muggy at the field, with a 30*C forecast that was probably correct. Anyway, it looks like this motor found a plane to live in, even though I had my doubts, due to the shear lack of bulk and weight.
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verified_user Quality
playlist_add_check Overall
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perfect engine for plane from 4lbs to 6 lbs , i use it on a " baron" with 4s 4000mah so 15 mn of flight and a lot of power for races limbo wand breaks and pylon racing...
verified_user Quality
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