Search found 70 matches

by ropower86
Jul 26 2017 10:22am
Forum: Electric Watercraft
Topic: Electric Hydrofoil/E-Foil
Replies: 463
Views: 71129

Re: Electric Hydrofoil/E-Foil

******* ATTENTION *******

This is a warning to all, DO NOT BUY GEARBOX THAT IS MADE IN CHINA! They are made out of low alloy and gears will break under load. That is why their gearbox is cheap and it will not work for our project.
by ropower86
Jul 26 2017 9:43am
Forum: Electric Watercraft
Topic: Electric Hydrofoil/E-Foil
Replies: 463
Views: 71129

Re: Electric Hydrofoil/E-Foil

I am looking to purchase a Neugart Planetary GearBox. I know the ple 40 gearbox I need to choose but which gear ration do I need to get? We ordered the PLE 40-005 (5:1) ratio. Which will give us about 4000 rpm on the propeller (unloaded), and probably less (around 3-3500 in real life). Lower rpm wi...
by ropower86
Jul 25 2017 9:40pm
Forum: Electric Watercraft
Topic: Electric Hydrofoil/E-Foil
Replies: 463
Views: 71129

Re: Electric Hydrofoil/E-Foil

I am looking to purchase a Neugart Planetary GearBox. I know the ple 40 gearbox I need to choose but which gear ration do I need to get?
by ropower86
Jul 18 2017 5:18pm
Forum: Electric Watercraft
Topic: Electric Surf Board
Replies: 760
Views: 225438

Re: Electric Surf Board

Is that the chinese one for 3000 $ from Alibaba? I thought it has 2 jetdrives....? No, this one is a new company in China. I think they are serious, I insulted them saying it is fake and they got mad and they have proven themselves that they are the real deal. Still, if it's made in China by Chines...
by ropower86
Jul 16 2017 9:19pm
Forum: Electric Watercraft
Topic: Electric Hydrofoil/E-Foil
Replies: 463
Views: 71129

Re: Electric Hydrofoil/E-Foil

I cant believe I didn't think about this earlier! From the mockup of the battery for the lift e-foil, one can see that there are 196 cells. They have also stated that they can achieve around 1hr ride time depending on rider weight. Therefore they can only be running 7S or 14S If we then assume a ce...
by ropower86
Jul 16 2017 8:47pm
Forum: Electric Watercraft
Topic: Electric Hydrofoil/E-Foil
Replies: 463
Views: 71129

Re: Electric Hydrofoil/E-Foil

many times they put (non-exiting) products online to see the customer feedback. even show it ready to order. but will just produce it when enough people buy it. 2000-3000$ an other supplier https://m.alibaba.com/product/60668276651/Electric-Power-Surfboard.html?spm=a2706.7835515.1998800312.20.DSyqg...
by ropower86
Jul 06 2017 7:58am
Forum: Electric Watercraft
Topic: Electric Hydrofoil/E-Foil
Replies: 463
Views: 71129

Re: Electric Hydrofoil/E-Foil

Check this site out, a Torqueedo planetary gear box is a lot cheaper but I don't know how long it would take to come in the mail. Better than paying over $300. :roll:

http://www.torqeedo.com/us/en-us/produc ... 00005.html
by ropower86
Jun 29 2017 11:52pm
Forum: Electric Watercraft
Topic: Electric Hydrofoil/E-Foil
Replies: 463
Views: 71129

Re: Electric Hydrofoil/E-Foil

Have an idea, what about using 2 gears like drive gear and driven gear to run the bigger diameter prop instead of using the planetary gear setup? My 300a ESC just got in today and I have a gear drive setup to the brushless motor about to design a prop and PLA 3d print it.
by ropower86
Jun 29 2017 1:44pm
Forum: Electric Watercraft
Topic: Electric Hydrofoil/E-Foil
Replies: 463
Views: 71129

Re: Electric Hydrofoil/E-Foil

You guys are making a good move on this project as of finalizing the hard part of the jet foiler. It makes more sense to build a E-foil than the jet board as for now. Last night I made a plexi waterproof box specifically for the ESC, so no contact with the water if the board gets submerged. I'm just...
by ropower86
Jun 24 2017 3:43pm
Forum: Electric Watercraft
Topic: Electric Surf Board
Replies: 760
Views: 225438

Re: Electric Surf Board

WoW! I know you have, So are you completing this project for your recreational use or to get in business with?
by ropower86
Jun 19 2017 4:30pm
Forum: Electric Watercraft
Topic: Electric Surf Board
Replies: 760
Views: 225438

Re: Electric Surf Board

I won a bid on Ebay for this motor yesterday evening, thought I would not win it. But it is a $300 motor and it is made to take stress for 3d flying in a 700/800 helicopter, Figure that this could be a fit for the water but I got it for $132. Now, I'm realizing it is a bit smaller than my previous m...
by ropower86
Jun 19 2017 1:42pm
Forum: Electric Watercraft
Topic: Electric Surf Board
Replies: 760
Views: 225438

Re: Electric Surf Board

Bazaki, I let my buddy know about the jet pump, he wanted to buy one for the longest. What do you think about this motor KDE 295Kv brushless motor for a jet board I know its a little bit smaller than those actual motor but It packs a powerful punch. KDE 295kv SPECS Material: Neodymium N45SH Kv: 295 ...
by ropower86
Jun 19 2017 12:11am
Forum: Electric Watercraft
Topic: Electric Surf Board
Replies: 760
Views: 225438

Re: Electric Surf Board

Yes, it is something to consider. I just burned out a 400a ESC in a different scenario and I just got it this past Wednesday but the thing is we need to know all the little things that can affect the valuable parts. It's devastating to see an expensive ESC, brushless motor, or battery to catch on fi...
by ropower86
Jun 18 2017 1:32pm
Forum: Electric Watercraft
Topic: Electric Surf Board
Replies: 760
Views: 225438

Re: Electric Surf Board

Bazaki wrote:viewtopic.php?f=9&t=88790&p=1294823#p1294823


If someone wants a good jet drive for a surfboard, Im selling mine
How much are you letting go for?
by ropower86
Jun 18 2017 1:03pm
Forum: Electric Watercraft
Topic: Electric Surf Board
Replies: 760
Views: 225438

Re: Electric Surf Board

Hey Guys, No secrets here anymore. Months I have thought to set up my own company with an electric jet surf, so I could not really share my details. But I'm doing other things lately and the jetsurf is just standing here. So I want to share all details now. I found out the exact details of the Lamp...
by ropower86
Dec 14 2016 1:49pm
Forum: General Discussion
Topic: New 80 volt push mowers
Replies: 115
Views: 23750

Re: New 80 volt push mowers

Hey Metallover, how long did it take for the motor on other parts to come in after you made your order? Also, do you think adding a different controller to that motor will increase the RPM?? Very curious and I am intrigued on using this motor for an electric vehicle project. :mrgreen: It took 6 wee...
by ropower86
Dec 10 2016 1:12pm
Forum: Electric Watercraft
Topic: Electric Surf Board
Replies: 760
Views: 225438

Re: Electric Surf Board

willau wrote:Hi guys, does anyone have any experiince / knowlegde of a lehner torque star 2 (7040) and or a MHZ 64mm jet unit?

Cheers

Will
I think you are on to something there.
by ropower86
Dec 10 2016 1:01pm
Forum: Electric Watercraft
Topic: Electric Surf Board
Replies: 760
Views: 225438

Re: Electric Surf Board

My name is Rolando and I am pleased to see a lot of successful projects on here. I am new to this and I am also building an electric surfboard too. But there is a whole lot more I need to learn to get my board done. I have 3D printed a 2 blade impeller at 70 mm, I am building my jet unit out of fibe...
by ropower86
Dec 08 2016 5:10pm
Forum: General Discussion
Topic: New 80 volt push mowers
Replies: 115
Views: 23750

Re: New 80 volt push mowers

Hey Metallover, how long did it take for the motor on other parts to come in after you made your order? Also, do you think adding a different controller to that motor will increase the RPM?? Very curious and I am intrigued on using this motor for an electric vehicle project. :mrgreen:
by ropower86
Dec 05 2016 11:01pm
Forum: Electric Watercraft
Topic: Technical discussion around jet surf board
Replies: 4
Views: 2873

Re: Technical discussion around jet surf board

Hello (Ratking), I know this post is very old but I wanted to know any updates on your project with your electric surfboard build. Hope to hear from you.