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Brushless Servos

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Brushless Servo GearsIn the race for innovations that get big results, Futaba always comes first — whether bringing exceptionally precise Silicon Micro Machining (SMM) technology to gyros or getting maximum speed, reliability and security out of 2.4GHz radio systems. Now Futaba has done it again — by unveiling the first digital servos with the advantages of brushless technology. No one's done it before.....and the payoff is huge!

  • At least FIVE TIMES longer-lasting than brushed servos.
  • 30% faster response times.
  • Greater resistance to jolts and vibration.
  • Smoother operation.
  • Same power consumption as brushed digital servos.
  • Same compact case size as standard servos.
  • Exceptionally durable geartrain.
  • Smooth dual ball bearings and strong Samarium Cobalt magnets.

"The BLS251 is amazing. Tail control feels like velvet. I was able to increase the gain in hover from 70 to 90 without ever getting a wag. The tail stays absolutely still no matter what the wind does for more stability in the cyclics. Upstairs, tracking is better than ever. This is a must-have!"

— Dwight Shilling
U.S.A. F3C World Championship Team Member Ranked among the Top 3 U.S. F3C pilots

Product Flier

[ Click here for a review by RC Power ]

 
     

Futaba servo dimensions are listed as: Length, width and height, e.g. 1.4 in L x 0.06 in W x 1.1 in H

Click stock number for tech notes. Click image for 3-view drawing.
   
 
Specialty
   
BLS252 F3C Heli Servo
BLS252 Brushless F3C Heli Servo
FUTM0522  
Volts Torque Speed
4.8V 139 oz-in (10.0 kg-cm) 0.16 sec/60°
6.0V 175 oz-in (12.6 kg-cm) 0.13 sec/60°
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Dimensions Weight
1-9/16 x 13/16 x 1-7/16 in
(40 x 20 x 37 mm)
2.1 oz (58 g)
2BB, MG, WP, BLS

 
   
Standard
   
BLS451 Digital High-Torque High-Speed Servo
BLS451 Brushless Digital High-Torque High-Speed Servo
FUTM0552  
Volts Torque Speed
4.8V 118 oz-in (8.5 kg-cm) 0.13 sec/60°
6.0V 147 oz-in (10.6 kg-cm) 0.10 sec/60°
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Dimensions Weight
1-9/16 x 13/16 x 1-7/16 in
(40 x 20 x 37 mm)
2.1 oz (58 g)
2BB, MG, WP, BLS

 

BB = Ball Bearing • MG = Metal Gear • HG = Hybrid Gear • WP = Water Protected • BLS = Brushless Motor • MCC = Metal Center Case

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