Futaba BLS151 Standard Air Brushless Servo for Aircraft Control  [BLS151]

Futaba BLS151 Brushless Standard Air Servo
Price:
NZD$192.22
Brand:
Futaba
Model:
BLS151
Condition:
Brand New
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Refined Aircraft Control Using Futaba BLS151

The Futaba BLS151 Brushless Standard Air Servo is engineered for precise aircraft control, pairing a compact size with dependable operation. Its brushless motor delivers a service life at least five times that of brushed units, reducing maintenance intervals.

Features That Improve Flight Handling

  • Brushless Construction: Uses samarium cobalt magnets for steadier movement and stronger resistance to sudden shocks and vibration.
  • Power Efficient: Draws power similar to brushed digital servos while benefiting from brushless performance.
  • Smooth Running: Dual ball bearings provide low friction and accurate positioning for control surfaces.

Specifications

  • Power Supply: 4.8V ONLY
  • Speed: 0.15 sec/60° @ 4.8V
  • Torque: 133.3 oz-in @ 4.8V
  • Size: 1.57 x 0.79 x 1.37" (40 x 20 x 34.8mm)
  • Weight: 1.59oz (45g)

Ideal for demanding control tasks, the BLS151 performs best with a 4.8V NiCd supply and radio systems such as FM, PCM, or FASST. Simple setup and routine inspections keep responses crisp.

Yes, the BLS151's compact size and smooth control make it appropriate for many scale glider control surfaces where reliable centring and low friction are important.
The brushless motor and robust magnets help the servo tolerate aerobatic loads, but ensure linkages and mounts are secure for high-G maneuvers.
Inspect servo horns and clevises, protect against moisture, and monitor response. Internal maintenance is rarely needed thanks to the brushless design.

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