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BMS-21HV High Voltage Micro Servo (Metal Gear) 3.2kg / .09sec / 15.2g

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BMS-21HV High Voltage Micro Servo (Metal Gear) 3.2kg / .09sec / 15.2g

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SKU:
122000020-0
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BMS-21HV High Voltage Micro Servo (Metal Gear) 3.2kg / .09sec / 15.2g

Great as a cyclic servo for 450 size helicopters!



Features:
• Double ball bearing (Si-oil)
• Coreless motor rated for high voltage up to 2S Lipoly
• Alloy heatsink
• Digital signal design with 100% fitting square PWS
• Automatic measures central ms
• Digital IC (SOP package with 12bits transfer data)
• MOS-FET driver (spirited driver able to push over 7A power)


 

Specs:
Weight: 16g
Dimensions: 23 x 12 x 25.4mm
Torque at  6V: 2.6kg/cm, 7.4V: 3.2kg/cm
Speed at 6V: 0.11, 7.4V: 0.09 sec / 60° at no load
Operating Voltage: 6.0~ 7.4V
Spline count: 25

  • Servo Torque(kg)(min. 0.01kg) 3.20
  • Servo Speed (Sec/60deg) 0.09
  • Servo A(mm) 29.00
  • Servo B(mm) 23.00
  • Servo C(mm) 26.00
  • Servo D(mm) 12.00
  • Servo E(mm) 33.00
  • Servo F(mm) 19.00
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Terry | Verified Buyer

  • Overall
  • Value
  • Quality

Great servo

Sep 14, 2019

These are great servo’s, i have these in my Flight Model Cri-Cri and they work flawlessly, great power and fast, highly recommend them for a micro servo

Q Brand | Verified Buyer

  • Overall
  • Value
  • Quality

Great HV servo

May 02, 2018

Have these servos on a Robbe Puma with ASP S54A. Flies well and rather quick. They pull about 1,5A.
Great servos, quick but being digital ones rather busy all the time (also in the pits ;-).
I power with 2S directly and they work well also with fully charged batteries (LiPo).
I recommend them for sure. Lot of power with very low weight..

Russell | Verified Buyer

  • Overall
  • Value
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Great little HV servo

Nov 26, 2016

I have these on my 3.10m F3J Glider Vtail, zero slop, work fine and centre fine. I fly on the slope. I will be getting some more unless HK get in the BMS-390V (please) for a bit more power ;)

Maciej | Verified Buyer

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Customer Rated

Feb 01, 2016

Ive bought this sevro for throttle in my 100inc Extra. Servo worked for ca. 30 sec, then stopped...and never moved. What a waste of my money. Never buy Blue-Bird HV again !

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