Hundstadt propellor

[Alan Wheeler]

I am just kinda ho-hum contimplating about thinking about a Hundstadt prop on our NZ auction site. I think I have remotely heard of the name before, but wondering if it could be any good. Plus, how is the pitch altered. Do I have to have anything special with the shaft to make it work??
http://www.trademe.co.nz/Trade-Me-Mo...n-60144206.htm

Is it worth it?? or do I just keep what I have a free wheel the prop.

[Boracay]

I would have thought that a controllable pitch propellor woud suit your boat but if you do not currently have a 1.5 in shaft it may be a very difficult installation that could compromise the integrity of your boat.
If the unit is not in good condition parts could be very expensive.
The Hunstedt Propellor company is at :-
http://www.hundestedpropeller.dk/
Michael Kasten has an article on controllable pitch propellors at :-
http://www.kastenmarine.com/CPprops.htm

[Alan Wheeler]

Shaft size could be an issue. I need to measure that. It is at the very least a 1.5 but I suspect it could be 2"
Thanks for the link.

[Alan Wheeler]

Arrr haaaa, I see. It requires a special shaft AND gearbox. OK, that idea's out then.

[Chief Engineer]

As I said it is a system.....It may require a good bit of re-work to install....
also I know that in the USA there is only one company that has parts....

They were originally designed for fishing vessels. These vessels did not have forward/reverse gear.....they were direct drive and relied on adjusting the pitch to go ahead/astern.

A key to getting the best adjustment is to utilize a pyrometer to tune to optimum performance