Search found 4 matches

by Gigliobianco52+
Thu Mar 12, 2020 8:25 am
Forum: Craft
Topic: AC 75 Now Afloat
Replies: 3
Views: 8400

Re: towing

dear John Perry, I found very interesting your article about towing a boat; I'd like to the wetted surface of the boat and the friction coefficient you got from the formula: resisting force= 0.5 mass density of water x wetted surface x speed squared x friction coefficient many thanks giuseppe giglio...
by Gigliobianco52+
Wed Mar 11, 2020 7:46 am
Forum: Craft
Topic: AC 75 Now Afloat
Replies: 3
Views: 8400

Re: AC 75 Now Afloat

dear John Perry, I found very interesting your article about towing a boat; I'd like to the wetted surface of the boat and the friction coefficient you got from the formula: resisting force= 0.5 mass density of water x wetted surface x speed squared x friction coefficient many thanks giuseppe giglio...
by Gigliobianco52+
Sat Aug 25, 2018 4:38 pm
Forum: Welcome to the AYRS Forums
Topic: barkla
Replies: 1
Views: 9659

barkla

has anyone a copy of this article?
The L i n e a r W i n d / W a t e r - M i l l / P r o p e l l e r
by Hugh M. B a r k l a
g.gigliobianco@fastpiu.it
by Gigliobianco52+
Wed Aug 22, 2018 8:43 am
Forum: Welcome to the AYRS Forums
Topic: First time on AYRS
Replies: 1
Views: 7521

Re: First time on AYRS

hi there
anybody has a copy of this article
The L i n e a r W i n d / W a t e r - M i l l / P r o p e l l e r
by Hugh M. B a r k l a? circa 1982-84
thanks
g.gigliobianco@fastpiu.it