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Hitec D-645MW 57g High Voltage High Torque Digital Metal Gear Servo Reviews

4.8 Rating 19 Reviews
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Bought these servos for my Nexa F-82. When they say high torque They mean it. Not only are they full metal geared but the torque on the servo arms are ridiculous. I can’t wait to get this plane maidened, they react so quick you would think they were designed for 3D large planes. Wow wow wow!! I normally don’t do reviews but these servos have impressed the snot out of me.
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Posted 5 years ago
How would you rate the overall quality of the product?
Very Low
Okay
Very Good
How would you rate the value of the product for the money?
Very Low
Okay
Very Good
How difficult or easy is the product to assemble, use, or operate?
Very Difficult
Average
Very Easy
How well does the product perform / function?
Very Weak
Okay
Very Good
These servos seem to work very good, my only complaint is no other Hitec arms fit these servos
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Posted 6 years ago
How would you rate the overall quality of the product?
Very Low
Okay
Very Good
How would you rate the value of the product for the money?
Very Low
Okay
Very Good
How difficult or easy is the product to assemble, use, or operate?
Very Difficult
Average
Very Easy
How well does the product perform / function?
Very Weak
Okay
Very Good
I have used these HiTec D-645MW servos in several larger aircraft, where a minimum of 100 oz-in of torque was required and where I also wanted to run the receiver bus directly from a 2S LiPo (thus deleting the need for a BEC or voltage regulator). I am using these servos in a 17-lb A-26, and the servos have been working flawlessly. Another benefit of using HiTech servos is that HiTech stands behind their product and offer repair services at good prices. I'd screwed up and stalled two of my servos during the initial configuration of my A-26. I contacted HiTech, and they repaired the servo very inexpensively, much cheaper than buying a new servo. I'm sold on this servo and am using it for all of my warbirds that need standard sized servos. I highly recommend this servo.
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Posted 6 years ago