----- Original Message ----- From: "Mack, David" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Friday, September 07, 2007 5:36 PM Subject: RE: [canals-list] Josher sterns was: New to group[Scanned]
> I think the problem on confined waterways is the 'paddle wheel' effect > when the prop is close to the bottom (or side) which takes the stern > sideways. But with a little more water around, this effect is much > reduced, and you can compensate for it in the steering. > Agreed, and also the stern tends to go into the shallower water (usually where you DON'T want it to go :-) ), due to Bernoulli. -- Iain
