(lower right corner of the store page): ★5 points for every $1 spent; ★For every 100 points redeemed, you can get a $1.00 discount on the entire order; Applicable to orders of any amount.
I bought 4 u8 thrusters, the sales people were great and answered all emails in a timely manner. The bearings went bad on all 4 thrusters in less then 6 months, I emailed apisqueen and did not get a response. I was able to find replacement bearings on Amazon, I cleaned and replaced the bearings and the motors are now working again. The units are not sealed as it was obvious water had gotten inside of all four of the motors.
A
A.
Poor quality
Hi all! We bought U8 290KV thruster from this manufacturer to assemble our ROV. At the stage of the ROV test in the pool, a drop in thrust from the thruster was noticed. We checked the thruster on the stand and found that the thruster did not meet the declared characteristics. When consuming 22V and 24.5A, the thruster produced only 2.7-3.0 kgf. The original ESC and laboratory unit were used to carry out the tests. That is, after getting into the water after a couple of hours of operation, the thruster stopped producing its characteristics. We opened several thruster and saw defects in the stator casting. Most likely, water has gotten inside and an interturn short circuit occurs, therefore reducing traction and increasing electricity consumption. This is terrible quality. I strongly do not recommend buying this product.
M
Momme Herms
Had not the chance to test them yet but overall quallity looks good. Seems to be a rugged design.
One think that I noticed is that the distance between the prop blades and the housing is quiet big. From what I know about turbine engines and impeller engines is that the efficiency decreases alot if there is a big slot. I assume that a tighter fit would make those thrusters even more powerfull and efficient.
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