Kiekhaefer Awarded Patent On New Variable Propeller Pitch Surface Drive
#24
Registered
iTrader: (1)
https://www.youtube.com/watch?v=C5niXCY-ikM
land & Sea - yes the company whom makes dyno's and use to sell the sternjack
land & Sea - yes the company whom makes dyno's and use to sell the sternjack
#26
Gold Member
Gold Member
Hi,
A "simple" version of this has been widely used on wooden boats in Norway with max speed of 6 knots / 7 mph. You can turn the pitch so you can even go reverse.
Interesting consept indeed!
Cheeers, Toffen
A "simple" version of this has been widely used on wooden boats in Norway with max speed of 6 knots / 7 mph. You can turn the pitch so you can even go reverse.
Interesting consept indeed!
Cheeers, Toffen
#29
Gold Member
Gold Member
Yeah, that is interesting. Then, in this application you only need a crash box, no reverse.