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  1. W

    Electric Hydrofoil/E-Foil

    Hey Hiorth, how is the seal on your drive shaft working out? Have you ever found any water in there? Do you grease it before riding?
  2. W

    Electric Hydrofoil/E-Foil

    Good question! I'm not sure. Probably yes to start. How did your test go?
  3. W

    Electric Hydrofoil/E-Foil

    Hey guys, Thanks for the kudos and tips. This is a slingshot NF2 kitefoil. I can ride it with my kite and behind a boat without any trouble (although you do indeed have to pay constant attention or surprise stall, and I can't jibe yet). I'm 165lbs and start to foil at slow speeds below 10 knots...
  4. W

    Electric Hydrofoil/E-Foil

    Here is a video of me trying to ride my E-foil. Warning: it may be a little demoralizing. The prop I used was designed for 14 knots at max RPM. JIKbu8u5FK8
  5. W

    Electric Hydrofoil/E-Foil

    Hi All, I had some success this weekend with my build. I was ripping around the bay for about 25 minutes and used up about half of my 12S 16Ah pack. I found it quite a bit harder to ride while trying to maintain throttle and balance, with all the force coming from the bottom of the mast. I...
  6. W

    Electric Hydrofoil/E-Foil

    That is the gearbox I'm using with 500kV 12S. Just note it has a much lower torque rating than the 5:1
  7. W

    Electric Hydrofoil/E-Foil

    Have a look at the Parker O-Ring handbook. https://www.parker.com/literature/ORD%205700%20Parker_O-Ring_Handbook.pdf Probably page 4-5 is what you are looking for. I'm using 3X Dash 226 on my next design. I'm just looking for someone to machine the aluminum for me..
  8. W

    Electric Hydrofoil/E-Foil

    Hey Hiorth: Beautiful design! so close to foiling. Any chance you could give me the bolt hole pattern diameter for the SSS56104 please?
  9. W

    Electric Hydrofoil/E-Foil

    Clarin, I bought the 500kV SSS56104. Given that pacific meister succeeded with a 500kV SSS, 7:1 gearbox and 10S battery. I wish we had more data than someone's youtube video.. 3.7V/S * 10S * 500RPM/V * 1/7 = 2643RPM Using 12S with a 8:1 gear ratio should be safe at 2775RPM. My previous...
  10. W

    Electric Hydrofoil/E-Foil

    I don't have much data. Just that a motor would blow up after ~5 minutes with a 3 blade 160mm prop and ~15 minutes with a 3 blade 130mm prop. The motor was sitting in a sealed can with air inside, so cooling was out the metal mount and through the air to the aluminum enclosure. After you took...
  11. W

    Electric Hydrofoil/E-Foil

    Hey, does anyone have a CAD model or the measurements of the SSS 56104 motor. Specifically the bolt pattern diameter. Mine is on order but I would like to get to work designing before it arrives. I've taken a crack at this already with a propulsion system based on the BPhobbies Cheetah A5330-9...
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