Dominick F. Caligiuri
Reviewed in the United States on May 13, 2025
Servos are very strong and come with everything to install
Samuel Eugene Nickel
Reviewed in the United States on February 24, 2025
I only got 3 servos. Im giving a star per servo. The amazon package was sealed so i think this was probably a mistake during manufacturer packaging.
Ziyad H Juraifani
Reviewed in the United States on September 25, 2024
Purchased the DS Servos and used them right away without any issues. Great value for money.
C & C
Reviewed in Canada on May 17, 2024
Included is four very strong servos, these have metal gears inside and plenty of power.Each servo in the pack comes in an individual ziplock bag that contains a variety of the standard plastic horns and one machined aluminum horn as well.I really like the inclusion of that metal control horn in the package, often this style of servo does not.
CB
Reviewed in Canada on March 17, 2024
HOOYIJ 4Pack 20KG Digital Servo, DS3218 High Torque Stainless Steel Gear High Speed Waterproof RC Servo. These servos are great for the Roche rent listed price these come in a lot of rtr trucks and cars which shows they are of decent quality. I have used them to years and will to continue to. Happy with the product.
Marisa
Reviewed in the United States on January 8, 2024
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ex-Gooserider
Reviewed in the United States on January 18, 2024
I tested these with a Arduino based servo testing rig and an external power supply, and was quite impressed, as were several other folks that saw me testing them. I had them powered with an external Constant Voltage power supply and found that I had a hard time holding them stalled. I didn't have the means to actually measure the force they were putting out, but I can definitely believe the 20Kg/cm claimed power.They have ONE supplied arm that seems to be aluminum, it's quite stout and should easily be able to handle the power that these units put out. They also have several other arms in different patterns, but those are plastic and may not be as substantial (I didn't test them)One spec that was not given in the description is the current drawn by the servos. According to the power supply readout, at 6.8V I was drawing almost nothing when they were stationary, moving with no load I got 3-600mA depending on how fast I was moving. When I held them stalled, I was drawing between 5 and 6A. (I would not want to hold them stalled for long, although they did not seem to be getting hot)If you need a strong servo, these definitely fit the bill.