Search found 4 matches

by Desperado
Sun Jun 23, 2019 5:31 pm
Forum: Welcome
Topic: Hello from Montreal
Replies: 8
Views: 6148

Re: Hello from Montreal

Hi Kyle,

Welcome here! There is a maritime museum run by a steamboat enthusiast in your area. I am sure he would be extremely interested. I would be happy to make an introduction.

Best wishes,

D.
by Desperado
Fri Jun 14, 2019 4:38 am
Forum: Technical - non Engines and Boilers
Topic: Propellor tip clearance
Replies: 8
Views: 3920

Re: Propellor tip clearance

PS
Is not the engine of your sailboat running at 2000 rpm-1 and fitted out with a reduction gear? :?
by Desperado
Fri Jun 14, 2019 4:31 am
Forum: Technical - non Engines and Boilers
Topic: Propellor tip clearance
Replies: 8
Views: 3920

Re: Propellor tip clearance

@ Lopez Mike: Measuring and taking it from there makes sense :-) Rudders and rudderstocks (and shaft brackets) do usually not contribute significantly to vibrations, providing they are well aligned, reasonably well shaped and do not sit extremely close to the prop. The latter is normally never the c...
by Desperado
Fri Jun 14, 2019 2:52 am
Forum: Technical - non Engines and Boilers
Topic: Propellor tip clearance
Replies: 8
Views: 3920

Re: Propellor tip clearance

@ Lopez Mike: The thumb-rule of adding a tip clearance between propeller and the hull of 15 percent of the propeller diameter applies also to steam boats, irrespectively of the steam engine power. You made that experience already with your sail boat, which I assume is also relatively low powered as ...