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DIY motors replacement

Dilan

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Decided to open a separate topic about Skydio 2 motors.
Sooner or later your motors will go out due to water, age or shatter. In my case it was both, rusted and shattered against the rock. Shipping the drone for out of warranty repair for one motor seemed to me a waste of money, I could replace it myself. But of course Skydio uses proprietary design and they wont sell parts.
After spending a day looking at 3rd party brushless motors to match the design, I couldn't find any.
I have an idea to try to replace all 4 motors of Skydio with for example DJI Mavic Pro, like these on ALiExpress which are available to buy, along with their propellers, because changing only one motor will lead to unbalance.
Does anyone know real KV of stock motors? Contributions to the topic are welcome.

Screen Shot 2022-05-26 at 9.50.55 AM.png
 
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VEGASROBBI

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I don't think you're getting a lot of responses because everything with the Skydio 2 seems to be bespoke.

From what I can see the motors are installed with a ribbon cable. When it comes to driving the motors there are different waveforms - square wave versus sinewave... I know DJ I made a big deal about that in the Phantoms. The software has to be compatible with the motors and the KV of the motors is important as well The propellers must be matched to the operating system for proper response; I experimented with different props on my Phantoms, Solo, Halo...they have a dramatic affect on flight performance.

I would start by getting the specs on the OE motor. With the 3DR Solo it took a while but guys figured out what aftermarket motors worked and claimed significant advantages; although I did not see much advantage except maybe better bearings.

I had good results using 10" Master Airscrew props on my Solo, the MA props flew smoother and extended flight time.

I had to watch motor temps here in Vegas though. It's triple digets here in Vegas now, I cool my S2 between flights like this 🥶
Resized_20220527_105908_12916001325308.jpeg
 
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Dilan

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Thanks for the insight. So you didn’t try to use 3rd party motors in Skydio? What is your picture refers to?
I had no success changing bearing balls in stock skydio motor, can’t take the axis out without bending the hood.
 

xianren5588

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I will need a motor for my SD2 as well. One motor with extra resistant. Believe the bearing is the problem. Assume I will need change out the motor. Anyone here has the luck and find the source of a replacement motor?
 

Dilan

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I will need a motor for my SD2 as well. One motor with extra resistant. Believe the bearing is the problem. Assume I will need change out the motor. Anyone here has the luck and find the source of a replacement motor?
I had it started with same symptoms of resistance and then it failed. No way to change bearings. I’m waiting for delivery of motors from DJ Mavic Pro, which the closest to the design I found. But chances it will work with board are low, even if I will fit motors in the arms.
 

Ridefreak

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I will need a motor for my SD2 as well. One motor with extra resistant. Believe the bearing is the problem. Assume I will need change out the motor. Anyone here has the luck and find the source of a replacement motor?
PMd you
 

Dilan

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Just got motors with blades for Mavic pro 2 from China delivered. Surprisingly the bottom plate pattern matches perfectly. This is was my concern number one. Now I will have to replace all 4 motors with these and see if board will take them.
 

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