Hy Felix the duct is from this theard just scroll up 
did you found it?
the prop is from FR I talked to him over his contact on his homepage
Thanks yeah i also tried to contact him over email and his page but he wont respond though so…
Sometimes it takes a month to get ahold of him. He is a busy man. Start building stuff, making progress. Try again later. 
Wonder how this transaction typically takes place.
I went to the Flying Rodeo website, Selected Propellers, wrote a paragraph about what I was looking for:
I am building a E-foil, been reading the forum for years,my motor is Flipsky FS65161 120KV. Running 14S battery. What pitch do you suggest/offer for this motor. Blah Blah, Blah.
I know David at Fr is a very busy guy. What should I expect?
I have the FR prop for the 65161 motor. It is exactly the same as the standard FR prop on his motor system (just modified to fit this motor shaft). It is the same as the standard Lift prop. 6" diameter prop. 6" pitch.
I tested it on my Flipsky 120KV motor. 14s battery. Works great! I’m very happy with it.
David is busy and hard to get ahold of. I found it’s best to know what you want when you contact him and just ask how much, ask him when will it ship, and tell him to send you a invoice! Don’t ask 20 questions.
Send a message or two every week. It might take a month or two to hear back. It’s taken me over a month.
Just be patient. We are lucky to have him.
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I find it best to get hold of him on Facebook.
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Thanks. I will save all 20 questions for you guys.
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I had messaged him on facebook last week. He was all out of props for flipsky motors and sounded very busy, so it seemed like it might be awhile before we’d get some more.
I guess I got to get on face book, and buy a cheap yamaha prop before summer gets here.
Hello im rely sory but i cant finde space in production for flipsky motors propelers 
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Guys. Just buy the folding prop from David.
You can easily drill it out to fit the 65161 motor.
Have you done this? Any pictures?
The flip-sky motor shaft is 12mm if I am not mistaken. So your saying the FR motor shaft is smaller? What 10mm? And If that is the case I would think I would want to buy one of FR regular motor props rather than the folding one. Right?
I have the folding prop.
I think I’ll prefer folding over 3 blade (I haven’t tested them yet. Still working on a board). But, yes. You could make the 3 blade prop fit the 65161 motor just as easy.
No. I haven’t done it. But I took some measurements.
The smooth part of the shaft is the same. The threaded part of the shaft, and flange depth is different.
All you have to do is drill out the hole in the prop (where the threaded part of the shaft goes) with a 5/16" bit then use 18mm wide shim (washers would work fine) so the nut tightening load is on the flange and not the pin. And depending on how big the nut is, you might have to drill out the indentation for the nut.
Looks easy to make Lift/FR props fit the 65161 motor.
But, once modified it will be a bit harder to use this prop again on the Lift/FR motor. Now you would need a sleeve for the bolt that holds the prop on. Probably have to make this sleeve. That’s why I haven’t done this mod yet.
I already have one of David’s 3 blade props for the 65161. So, at this point I don’t need to do this. If I want to put a folding prop on a 65161 motor, this is how I’d do it.
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Fightjunkie,
Thanks for taking the time to thoroughly explain the task. It clears a lot up. I do think I could easily make the modifications.
I assume the folding prop is a lot more money than the regular prop.
Now I need to see if FR will sell me a regular prop,
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Just be careful, if I remember correctly the folding prop won’t be able to fold past the m8 nyloc nut on the 65161 motor.
Has anyone installed a FR prop to Maytech 65162 with a 10 mm shaft (and without the thread at the end of the shaft)? The smooth 10 mm shaft would provide longer guiding surface compared to the threaded one. But how to secure the prop in place?
Have you got a picture of the shaft?
