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Blue Bird BMS-621DMGplusHS High Speed Digital Servo (MG) 7.2kg / .10sec / 46.5g

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Blue Bird BMS-621DMGplusHS High Speed Digital Servo (MG) 7.2kg / .10sec / 46.5g

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621DMG-HS
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BMS-621DMG+HS High Speed Digital Servo (7.2kg / .10sec / 46.5g
 
 
Features: 
• Double ball bearing (Si-oil)
• CE Certified Strong 3 Pole Motor
• Heavy duty sealed water proof case
• Alloy heatsink
• Digital signal design with 100% fitting square PWS
• Automatic measures central ms
• ALU 6061 alloy and C95 gear material
• Digital IC (SOP package with 12bits transfer data)
• MOS-FET driver (spirited driver able to push over 7A power) 
 
 
Specs: 
Weight: 46.5g / 1.66oz
Gear Material: Metal
Motor: Brushed
Dimensions: 40.5 x 20 x 38.5mm / 1.60" x 0.78" x 1.54"
Torque 4.8V: 6.4 kg/cm, 6.0V: 7.2kg/cm , 109 oz/in
Speed 4.8V: 0.13 sec,  6.0V: 0.10 sec / 60° at no load
Operating voltage: 4.8 - 6.0V
Spline Count: 25
  • Servo Torque(kg)(min. 0.01kg) 7.20
  • Servo Speed (Sec/60deg) 0.10
  • Servo A(mm) 42.00
  • Servo B(mm) 41.00
  • Servo C(mm) 38.00
  • Servo D(mm) 20.00
  • Servo E(mm) 55.00
  • Servo F(mm) 26.00
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benoit | Verified Buyer

  • Quality
  • Overall
  • Value

Very Bad !

Jan 27, 2022

second time I order servos from hobbyking, second time the material arrives defective, really very poor quality chinese! sad and unacceptable!

benoit | Verified Buyer

  • Quality
  • Overall
  • Value

Very Bad !

Jan 15, 2022

deplorable... really ..

Colin | Verified Buyer

  • Quality
  • Overall
  • Value

Improvement on BMS-620, I hope

Nov 08, 2021

I've used the Blue Bird BMS-620 servos for about 9 years, with very few problems in IOM yachts. Waterproofing has been OK but I improve it by mainly coating whole servo case in "Liquid Electrical Tape" and coat circuit-board in Inox. Makes them very tough then.
Hope these digital versus analogue contolles are better too. Should be.

Miklarocca | Verified Buyer

  • Quality
  • Overall
  • Value

Ottima fattura

Jul 21, 2021

Sevi di ottima qualità a un prezzo abbordabile.

GMackay | Verified Buyer

  • Quality
  • Overall
  • Value

Blue Bird Servos

Apr 22, 2021

The best servo's ever!! use them in all airplanes need to buy more.

Egon | Verified Buyer

  • Quality
  • Overall
  • Value

Good

Mar 22, 2021

Its a good affordable servo for many 1/10 vehicles like road cars, buggies, stadium trucks, and 2WD SCT.
For 4WD SCT I recommend a servo with 10+ Kg of torque.
Not for 1/8 vehicles.

David | Verified Buyer

  • Quality
  • Overall
  • Value

Great servo.

Mar 03, 2021

Servo works great as a steering servo for the Quanum Vandal. Fits perfectly and runs well.

Ludek | Verified Buyer

  • Quality
  • Overall
  • Value

Very nicely done

Jan 27, 2021

Everything works very well.

Digital Metal Gear Servo | Verified Buyer

  • Quality
  • Overall
  • Value

Great Servo

Oct 10, 2020

I purchased the digital metal gear servo as a replacement for my burned out steering servo on my Quanum Vandal 1/10 buggy. After a few batteries, it is still running well.

David | Verified Buyer

  • Quality
  • Overall
  • Value

Bluebird Servo

Aug 18, 2020

Excellent servo for 1/10th scale buggy racing. It's fast and has heaps of torque. It's as good as any of the expensive servo's for the above application. Highly recommended.

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