Hiorth said:Going foiling (hopefully) tomorrow. We have never foiled before, so it will be interesting, but we have some experience with water sports, so I guess it will work out.
Will start with the next version (V2), a 18650 battery pack and counter-rotating propellers (for fun) next week. Would be glad if somebody have inputs on a cheap (and good) battery-cell supplier.
More photos/video:
https://www.facebook.com/nikolai.hiorth/media_set?set=a.10159438659855144&type=3&pnref=story
Hiorth said:The nylon sls surface is great to bond with epoxy and proper gluing technique. Not afraid more afraid of the aluminium Bonding
Tested it today it worked great!!! Could run with 8 cells no prob will post more videos soon
12s was way too much power
More video will come soon!
facebook.com/media/set/?set=a.10159438659855144&type=1&l=2e97c1f9fb
Hiorth said:Tested it today it worked great!!! Could run with 8 cells no prob
Jezza said:Hiorth said:Tested it today it worked great!!! Could run with 8 cells no prob
How much current did you pull with 8 cells?
Clarin said:Congrats for your maiden flight!
Could you share the video outside of Facebook, please. I am dying to see them
Clarin said:Congrats for your maiden flight!
Could you share the video outside of Facebook, please. I am dying to see them
kiter_UK said:Below seems like the right sort of gearbox spec to me - you never know with second hand parts of course. I have given it a go as only 60 Euro (accepted offer).
http://www.ebay.co.uk/itm/NEUGART-PLE-40-i-8-PLANETENGETRIEBE-SERVOMOTOR-B-R-Bosch-Lenze-Gearbox-Getriebe-/332343178078?hash=item4d6132735e:g:IzsAAOSwOAZZhdZ6
kiter_UK said:Isn't this for 20,000 hrs running life? I probably have my rose-tinted reading specs on again!
Wider units, capable of sustaining higher torques, will create substantially more drag won't they?
Anyway, 60 euro to find out!
staska said:kiter_UK said:Isn't this for 20,000 hrs running life? I probably have my rose-tinted reading specs on again!
Wider units, capable of sustaining higher torques, will create substantially more drag won't they?
Anyway, 60 euro to find out!
It is always possible to add aditional bearing for axial load. You will be making a new axle for seal, so make it with thrust bearing, and it will last. Additional 5-7 cm. They are rated with some safety factor. But not more thatn 2-3. Plus god lubraction and proper oil.
Anyway. Found info on one 2hp outboard. Gearbox have two straigth cut bevel gears module 1.5 12/22 teeth. 22 on propshaft.
Hiorth said:staska said:kiter_UK said:Isn't this for 20,000 hrs running life? I probably have my rose-tinted reading specs on again!
Wider units, capable of sustaining higher torques, will create substantially more drag won't they?
Anyway, 60 euro to find out!
It is always possible to add aditional bearing for axial load. You will be making a new axle for seal, so make it with thrust bearing, and it will last. Additional 5-7 cm. They are rated with some safety factor. But not more thatn 2-3. Plus god lubraction and proper oil.
Anyway. Found info on one 2hp outboard. Gearbox have two straigth cut bevel gears module 1.5 12/22 teeth. 22 on propshaft.
We used this http://no.rs-online.com/web/p/roller-bearings/1988850/ in combination with a shaft coupler. It builds only 4mm and works great!
staska said:Hiorth said:staska said:kiter_UK said:Isn't this for 20,000 hrs running life? I probably have my rose-tinted reading specs on again!
Wider units, capable of sustaining higher torques, will create substantially more drag won't they?
Anyway, 60 euro to find out!
It is always possible to add aditional bearing for axial load. You will be making a new axle for seal, so make it with thrust bearing, and it will last. Additional 5-7 cm. They are rated with some safety factor. But not more thatn 2-3. Plus god lubraction and proper oil.
Anyway. Found info on one 2hp outboard. Gearbox have two straigth cut bevel gears module 1.5 12/22 teeth. 22 on propshaft.
We used this http://no.rs-online.com/web/p/roller-bearings/1988850/ in combination with a shaft coupler. It builds only 4mm and works great!
You still need kind of prop saver to avoid any problems with debris /prop inbalance. Twin tapered bearing are bullet proof but bigger.
Hiorth said:The nylon sls surface is great to bond with epoxy and proper gluing technique. Not afraid more afraid of the aluminium Bonding
Tested it today it worked great!!! Could run with 8 cells no prob will post more videos soon
12s was way too much power
More video will come soon!
facebook.com/media/set/?set=a.10159438659855144&type=1&l=2e97c1f9fb
beonwater said:Hiorth said:The nylon sls surface is great to bond with epoxy and proper gluing technique. Not afraid more afraid of the aluminium Bonding
Tested it today it worked great!!! Could run with 8 cells no prob will post more videos soon
12s was way too much power
More video will come soon!
facebook.com/media/set/?set=a.10159438659855144&type=1&l=2e97c1f9fb
Congratulations! Really nice setup.
In what way is 12S to much? Would not that be adjustable by the trottle?
It would be interesting if you could change the angle of the backwing to keep the hydrofoil down a bit as the prop trying pushing the hydrofoil up. Then you´re able to gain more speed and maybe feel more stable before lift of.
Do you use a 8mm to 10mm coupler for propeller shaft? What shaft seal did you use?