Futaba BLS571SVOS O.S Tuned Speed T1 Servo - 41g, 0.10s, 9.4kg-cm  [BLS571SVOS]

Futaba BLS571SV (41g/0.10sec/9.4kgcm/6.0v) O.S Tuned Speed T1
Price:
£123.44
Brand:
Futaba
Model:
BLS571SVOS
Condition:
Brand New
Available in warehouse
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Futaba BLS571SVOS - engineered for precise RC control

Accurate servo action is essential for consistent driving, and the Futaba BLS571SVOS offers controlled, fast responses in a slim package. Featuring O.S tuning, this unit is built for drivers who want repeatable movements and reliable performance during competitive runs or detailed hobby builds.

Design benefits and specification overview

The Futaba BLS571SVOS combines low weight with strong metrics. It weighs 41 grams, has a 0.10 second response per 60 degrees and supplies 9.4 kg-cm of torque at 6.0 volts. This profile fits tight chassis spaces while delivering the speed and holding power needed for precise steering inputs.

O.S tuning refines the control curve so the servo tracks commands cleanly and resists overshoot under sudden inputs, which helps with consistent lap after lap steering accuracy.

Installation and tuning advice

Install the servo with careful attention to horn selection and transmitter endpoints. Use a stable 6.0 volt supply and ensure your receiver provides low latency. Small transmitter adjustments and mechanical checks will let you extract the best performance from the BLS571SVOS.

Positioning against other servos

Compared with similar performance units, the Futaba BLS571SVOS is notable for its tuned behaviour and reliable output. It makes sense for drivers upgrading from entry level parts or for those refining a race package who value predictable steering and strong hold.

Specifications

  • Weight: 41g
  • Speed: 0.10 sec/60°
  • Torque: 9.4 kg-cm @ 6.0v
  • Tuning: O.S Tuned Speed T1

For a compact servo that delivers quick, dependable control, the Futaba BLS571SVOS represents a sensible upgrade for focused hobbyists and competitive drivers alike.

Many 1/10 scale chassis accept low profile servos like the Futaba BLS571SVOS, but you should check mount pattern and clearance against your specific model before purchasing.
With its 9.4 kg-cm torque at 6.0V it handles typical steering loads in touring cars and light buggies. For very heavy or modified steering setups consider the torque requirements carefully before selecting a servo.
Any modern, low-latency radio system will pair well. Choose a transmitter with fine endpoint and dual rate control so you can precisely tune steering travel and responsiveness.
Yes, the Futaba BLS571SVOS is aimed at competitive and serious hobby use thanks to its tuned response and consistent torque. Proper setup and maintenance are important to maintain peak performance during events.

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