HobbyStar HCS-4521 High-Torque Digital Waterproof Crawler Servo

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SKU: 277-01-623

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Details

The HobbyStar HCS-4521WP servo features a fully waterproof design and massive-torque (444oz/in @7.4V) for the ultimate crawler servo. All-steel gears for reliable operation and an aluminum center-case to aid in cooling and add strength this is a perfect servo for crawling rig.

Specifications:

Speed @4.8V: 0.16 sec
Speed @6.0V: 0.13 sec
Speed @7.4V: 0.10 sec
Torque @4.8V: 287 oz/in
Torque @6.0V: 347 oz/in
Torque @7.4V: 444 oz/in
Pulse/Frequency: 1500µ/330Hz
Dimensions: (LxWxH) 40.5x20x37.5mm
Weight: 58g
Bearing: Dual ball bearing
Gears: Steel
Motor: Digital Coreless
Input Voltage: 4.8V-7.4V
Output Shaft: 25T spline
Wire Harness Length: 260mm

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Would this work well in a 1/8 arrma kraton?

This should work very well in your Kraton and provide nearly twice the torque as the stock unit.

RCJuice answered on April 9, 2020

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Does this require a bec in a stock trx4 sport on 3s?

Hi,
No, this will not require a BEC for operation.

RCJuice answered on April 28, 2020

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how would this servo be for an 1/8 scale e buggy? thanks

It definitely has enough torque, but may fall short of the speed you want to see out of an 1/8 scale buggy servo. Here is a link to what I would recommend for an 1/8 buggy.

https://www.rcjuice.com/servos/servos/standard/hobbystar/hobbystar-hcs-4519-high-speed-high-torque-digital-servo.html

RCJuice answered on April 29, 2020