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.
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FEETECH Ultra-High-Torque, High-Voltage Digital Giant Servo FT5335M compared to a standard-size servo.
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 our 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). The picture on the right shows how the giant-size FT5335M compares to a standard-size servo.
This servo works with standard RC servo pulses and has a 12″ (300 mm) 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.
Female 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). |
The picture below shows the all-metal gear train that helps the servo deliver such high torque:
The FEETECH Ultra-High-Torque, High-Voltage Digital Giant Servo FT5335M has an all-metal gear train.
Note that, as with most hobby servos, stalling or back-driving this servo can damage it.
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 additional reduction of friction while the output shaft of the FT5335M is only supported by bushings. The picture below shows both the FT5335M and the 1235MG side-by-side:
The FEETECH FT5335M giant servo and the Power HD 1235MG giant servo have very similar sizes and performance.
| Size: | 62.8 × 32.5 × 55.9 mm |
|---|---|
| Weight: | 180 g |
| Digital?: | Y |
|---|---|
| Speed @ 6V: | 0.20 sec/60° |
| Stall torque @ 6V: | 35 kg·cm |
| Speed @ 7.4V: | 0.18 sec/60° |
| Stall torque @ 7.4V: | 40 kg·cm |
| Lead length: | 12 in |
| Hardware included?: | Y |
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Most standard radio control servos (and all RC servos we sell) have three wires, each a different colour. Usually, they are either black, red, and white, or they are brown, red, and orange/yellow:
Please check the specs for your servo to determine the proper power supply voltage, and please take care to plug the servo into your device in the proper orientation (plugging it in backwards could break the servo or your device).
We do not specify the range of rotation of our servos because this information is not generally available from servo manufacturers. RC servos are usually intended for controlling things like the steering mechanism in an RC car or the flaps on an RC plane. Manufacturers make sure that the range is enough for these typical applications, but they do not guarantee performance over a wider range.
This means most RC servos will rotate about 90° using the standard 1–2 ms pulse range used by most RC receivers. However, if you are using a controller capable of sending a wider range of pulses, many servos can rotate through almost 180°.
You can find a servo’s limits if you use a servo controller that can send pulses outside of the standard range (such as our Maestro servo controllers). To find the limits, use the lowest possible supply voltage at which the servo moves, and gradually increase or decrease the pulse width until the servo does not move any further or you hear the servo straining. Once the limit is reached, immediately move away from it to avoid damaging the servo, and configure your controller to never go past the limit.
You might be wondering why we do not just follow the above steps for all the servos we carry and list a specification for degrees of rotation. Unfortunately, since servo manufacturers do not specify the range of rotation, it might change from one manufacturing run to the next. They will not inform us about changes that are not specified, and we have no way of knowing if or when they might change their manufacturing process.
For more information about servos and how to control them, we recommend the series of blog posts on servos starting with: Introduction to servos.
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