> -----Original Message----- > From: [email protected] > [mailto:[EMAIL PROTECTED] On Behalf Of Adrian Stott > Sent: 07 August 2007 14:33 > To: [email protected] > Subject: [canals-list] Re: Boating a pair single handed(ish) > > > "sean neill" > <[EMAIL PROTECTED]> wrote: > > >Of course the paddlewheel effect is much less potent in a diesel boat > >than in a steamer. > > Why? > > I believe there is no corelation between the type of engine > and this effect. > > However, I think there is a corelation between the effect and: > > - Propeller size (diameter and pitch) > - Propeller speed of rotation
That's why! The engine type isn't directly relevant but affects the size and speed of the prop - steamers have big slow 'uns - much bigger and much slower than diesels (with the exception of Bolinder et al oil engines which have characteristics more akin to steam than modern medium speed engines) Bru
