FEETECH Ultra-High-Torque, High-Voltage Digital Giant Servo FT5335M

SKU: POLOLU-3429 Brand: Pololu

The FEETECH FT5335M servo is all about torque. This 1/4-scale digital servo can deliver an incredible 550 oz-in of torque at 7.4 V or 480 oz-in at 6 V thanks to its powerful motor and all-metal gear train. The FT5335M is a high-voltage servo, offering an operating voltage range of 6 V to 7.4 V. Servo horns and associated hardware are included. This servo can work with both 5 V and 3.3 V servo signals.

Special Price $64.19 AUD, inc GST

Regular Price $91.70 AUD, inc GST

$58.35 AUD, exc GST

In stock, ships same business day if ordered before 2PM
Delivered by Tue, 26th of Nov

The FT5335M is a giant-scale (also called 1/4-scale or mega-scale) digital servo from FEETECH that can deliver more than twice the torque of Pololu's strongest standard-size servo, offering up to 550 oz-in at 7.4V or 480 oz-in at 6 V (if you need even more torque than this, check out the much larger Torxis monster servos, and if you need a lot of torque in a smaller size or with more speed, consider the FT5121M and FT5313M high-torque digital servos). The picture on the right shows how the giant-size FT5335M compares to a standard-size servo.

The FT5335M works with standard RC servo pulses, providing a running angle of approximately 120° over a servo pulse range of 900 µs to 2100 µs. Many hobby servos can be operated beyond their standard ranges by using a wider pulse range, but please note that in Pololu's tests, Pololu were not able to expand the range of the FT5335M significantly beyond 120° (the servo did not respond to pulses below around 900 µs or above around 2100 µs).

This servo has a 12" (30 cm) cable that is terminated with a standard Futaba J connector. Unlike typical hobby servos, the FT5335M has an operating voltage range of 6 V to 7.4 V.

Note: This servo can draw bursts of current in excess of 9 A at 7.4 V, so please make sure you have an appropriate power supply. For comparison, a typical standard-size servo might draw around an amp when straining.

Futaba J connector at the end of the FEETECH FT5335M servo cable.

FEETECH Ultra-High-Torque, High-Voltage Digital Giant Servo FT5335M with included hardware (actual hardware might vary).

For more advanced robotics applications, please note that Pololu also carry a version of this servo that is specially modified to provide access to the feedback potentiometer through a fourth (green) wire, which lets you monitor the actual position of the servo from your controller:

FEETECH Ultra-High-Torque, High-Voltage Digital Giant Servo FT5335M-FB with Position Feedback.

The included servo horns are plastic, but Pololu also carry a compatible metal horn (sold separately) that can be used as a more robust lever arm in ultra-high-torque applications:

Metal servo horn for the FEETECH giant servo FT5335M.

Metal servo horn on a FEETECH giant servo FT5335M.

The picture below shows the all-metal gear train that helps the servo deliver such high torque:

You can find more information about this servo in its datasheet (111k pdf).

Note that, as with most hobby servos, stalling or back-driving this servo can damage it.

Comparison to the Power HD 1235MG giant servo

This servo is a lower-cost alternative to the very similar 1235MG from Power HD. The two servos are approximately the same size, though the mounting hole spacing differs between the two, and they have almost identical performance specifications. The output shaft of the 1235MG is supported by two ball bearings for reduced friction while the output shaft of the FT5335M is supported by bushings. The picture below shows both the FT5335M and the 1235MG side by side:

The servo output splines have the same number of teeth, but the diameter of the one on the FT5335M is approximately 0.2 mm bigger. This means that the servo horns included with the FT5335M can be used with the 1235MG, but not the other way around.

People often buy this product together with:

Micro Maestro 6-Channel USB Servo Controller (Assembled)

Metal Servo Horn for FEETECH Giant Servo FT5335M

Dimensions

Size:	62.8 × 32.5 × 55.9 mm
Weight:	180 g

General specifications

Digital?:	Y
Speed @ 7.4V:	0.18 sec/60°
Stall torque @ 7.4V:	40 kg·cm
Speed @ 6V:	0.20 sec/60°
Stall torque @ 6V:	35 kg·cm
Hardware included?:	Y
Lead length:	12 in

File downloads

Datasheet for the FEETECH Ultra-High-Torque, High-Voltage Digital Giant Servo FT5335M (111k pdf)

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