Hobbymate HB2835-H 3800KV Brushless Motor for 450 Helicopters

SKU: 20082 (Added on -)
Price:
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17.94
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Hobbymate HB2835-H 3800KV Brushless Motor for 450 Helicopters
- Model: HOBBYMATE HB2835-H Brushless Motor
- KV: 3800RPM/V
- Rotor Diameter: 3.17mm
- Efficiency: >90%
- Maximum current: 37A
- Battery cells: 3S
- Perfect for 450 RC helicopters
Dimensions: 1.97 in x 1.1 in x 1.1 in
Weight: 3.28 oz

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Rate USD$ 16.24 shipped USD$ 16.19 shipped USD$ 16.13 shipped

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Average Customer Review (7 customer reviews) 5

100% of customers would recommend this product to a friend (7 out of 7)

  • 5 star: 7 (0%)
  • 4 star: 0 (0%)
  • 3 star: 0 (0%)
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  • Good for 450 size heli

    posted by Capetinha on 18:44:39 G1T 22/01/2014 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Fits perfectly on a HK 450 size helicopter. It comes with the connectors and shrinking insulation tube. Gear to connect to heli gear also provided ans the screws to tie it to the helicopter.

    Cons: This is the second motor I buy, after a few flyes and crashes with the first one it presented some broken wires. i'm not sure what caused it.

    Other: I would buy it again if necessary. Recommended for 450 size helis. Can probably be used with trex helis.

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  • Motor that packs heat

    posted by ZdenekJi on 01:19:22 G6T 06/06/2010 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: This motor comes with all the necessary accessories - banana connectors, screws, washers (which I didn't use), a 13T pinion and its set-screw. It arrived in great shape, shiny and flawless.
    I decided to use this to upgrade my Blade 400 (450-size). The heli appears to have been fitted with a 400-class motor - a thin shaft and no turbine on the back. So I ordered this.
    My fix is a success, the heli is much stronger now. But it didn't come without pain, see the cons.

    Cons: The motor is not intended for a B400, so consider this irrelevant if you have some compatible heli, I guess it would be a T-rex.
    First of all, I needed to get the engine mounting off the old motor. This was a PITA since they must have used epoxy of some sort for the thread-locker. I recommend that you buy an extra engine mounting if you want to do this upgrade. But then, the two screws that came with the motor to fix it to the mounting were too short. I solved this by drilling recesses in the diameter of the heads into the mounting until I got about 3.5mm of the threadings poking out of the opposite side. You could buy some strength screws of the size M2.5×10 to avoid this.
    Next I had to file the flattening on the shaft for the set-screw so that it would reach nearer to the clip. I finally had to file away about 1.5mm of the teeth on the pinion from the top so that it wouldn't hit the lower autorotation wheel of the helicopter.

    Other: If you need serious power for your model, look no further.

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      4
  • Motor that packs heat

    posted by ZdenekJi on 15:11:09 G6T 04/06/2010 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: This motor comes with all the necessary accessories - banana connectors, screws, washers (which I didn't use), a 13T pinion and its set-screw. It arrived in great shape, shiny and flawless.
    I decided to use this to upgrade my Blade 400 (450-size). The heli appears to have been fitted with a 400-class motor - a thin shaft and no turbine on the back. So I ordered this.
    My fix is a success, the heli is much stronger now. But it didn't come without pain, see the cons.

    Cons: The motor is not intended for a B400, so consider this irrelevant if you have some compatible heli, I guess it would be a T-rex.
    First of all, I needed to get the engine mounting off the old motor. This was a PITA since they must have used epoxy of some sort for the thread-locker. I recommend that you buy an extra engine mounting if you want to do this upgrade. But then, the two screws that came with the motor to fix it to the mounting were too short. I solved this by drilling recesses in the diameter of the heads into the mounting until I got about 3.5mm of the threadings poking out of the opposite side. You could buy some strength screws of the size M2.5×10 to avoid this.
    Next I had to file the flattening on the shaft for the set-screw so that it would reach nearer to the clip. I finally had to file away about 1.5mm of the teeth on the pinion from the top so that it wouldn't hit the lower autorotation wheel of the helicopter.

    Other: If you need serious power for your model, look no further.

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  • Hobbymate HB2835-H 3800KV

    posted by BIGKID03 on 11:47:14 G3T 20/03/2010 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: I have four of these motors on my 450 class Heli's. They perform well and I love them over several "other" motors I have tried. So much so, that I rebuild them when neccessary. I fly around a lot of dusty places and increased bearing wear is a result. Also have replaced the shaft with my self built ones. All you need is a quality 1/8" stainless steel rod stock and a dremel. :-) I used sealed bearings for replacement bearings. They are great little motors!!! Draw some amps so use a 30 amp Controller at least. I use 40 amp with no problems of overheating at all. Even in solid 3d flights. 2200 mah 20C minimum battery.

    Cons: Little bit weak at clip point on shaft. Easy fix if you break in crash though. Takes a good crash to break. :)

    Other: Can't go wrong with this motor. All parts needed are included to prepare to plug into your brushless controller.

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  • excellent deal on a good motor

    posted by wildhover on 03:47:01 G1T 26/01/2010 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: this motor was recommended by a friend who was guiding me on a 450 helicopter build. it came with all the necessary hardware and i liked the allen screws to mount the motor on my heli. my original ones were phillips. it run's smooth and did not have any vibrations on my helicopter. it was luke warm to the touch even with the blades spinning at 80% for 5 minutes of flight. the Kv on the motor said 3600 instead of the advertised 3800. that to me was a bonus because it matched my 14T pinion gear much better

    Cons: advertising the specifications needs to be more accurate (ie the 3800kv on the website vs the 3600kv rating marked on the motor when it arrived). that however was to my advantage because i needed a 3500kv motor for my setup and this was close enough

    Other: great motor and you can't beat the price

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  • Can also be usefull for other RC needs

    posted by argtrak on 18:24:52 G11T 14/11/2009 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: -Small -Powerfull -Well packaged -Came with nice connectors (see: http://dealextreme.com/details.dx/sku.12993) and heatshrink tubing for the connectors.

    Cons: Not a con, but time will tell if the bearing will last. :)

    Other: Sure works for me, I ordered a second one in case my brother wants to convert his RC car too! It's like two upgrades in one! (power + battery life)

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  • for 450 helis top!

    posted by fire113 on 17:58:10 G8T 05/08/2009 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: I used this motor in 2 of my 450 helicopters. Firest flight I was wondering how long the lipocell has power and the heli is still in the air.
    After flight the motor was only handwarm :) so I plugged in the 2ed lipocell adn tryed a little bit harder but after landing it was the same, the motor was only handwarm.
    Very good motor I think, I have two of this motors an I am going to order one more fore me and one for a buddy zhat jaust started with helicopterflying.
    Why do I haver to write about 500 characters?

    Cons: ...can not find one ;) it is really good quality and has a very cool design black and chrome.

    Other: cu and good N8

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