Gary, Thanks for your input. I note a quote by a famous Rat at the foot of your message. The same Rat is featured in my e-mail address. He did have a way with words (and boats). Ron --- Gary M Hyde <[EMAIL PROTECTED]> wrote:
> Ron: > In rough water the long shaft Honda 2hp is a must, > at least with the > older fixed motor bracket. It also allows a bracket > modification that > raises the motor a couple of inches so it can be > easily tilted up > while sailing. > --Gary Hyde > Pullman, WA > [EMAIL PROTECTED] > M17 #637 'Hydeaway 2' > M15 #235 'Vanilla' > "...There's nothing quite like messing about in > boats..." > > > On Apr 5, 2006, at 7:00 PM, judy casino wrote: > > > --- "Steve R." <[EMAIL PROTECTED]> wrote: > > Thanks Steve . I do agree that it would be > > inappropriate to use a motor too heavy for the > proper > > balance of the boat . I also know that except for > > surfing down a wave under the right conditions and > > with the right kind of underbody , a displacement > hull > > can't go faster than its theoretical hull speed . > I > > was just thinking that with a solid hull to deck > bond > > , one could use a slightly more powerful ( and > heavier > > ) motor to punch through rough water or swift > current > > . But rest assured that if I buy an M15 , I will > most > > likely get a 2 hp Honda to power it . BY the way , > > would you recommend a short shaft or long shaft > > version of the motor ? I know that a long shaft > will > > be less likely to cavitate , but will it dig too > deep > > to properly propel the boat ? Ron > >> Ron, > >> > >> A M-15 hull does not plane like a water skier. > It > >> is a displacement hull, which has a speed limit > due > >> to the laws of physics. A larger motor will not > >> cause the boat to go faster. I guess I have the > >> throttle open 60% on my 2hp Honda when my speed > tops > >> out. > >> > >> Also, a larger motor will put more weight on the > >> transom. The bow will float higher, the stern > >> lower. The center of lateral resistance of the > hull > >> will move aft. This can cause lee helm. It will > >> also slow the boat. You may want to read up on > lee > >> helm and weather helm in a sailing book, or take > a > >> look here: > >> > >> http://www.sailingusa.info/sailboat_balance.htm > >> > >> As I mentioned in my other post, I sit as far > >> forward in the cockpit as possible to balance the > >> boat, and use a tiller extension. > >> > >>> From time to time you will find large motors on > >> sail boats. I know of a father who purchased his > >> daughter a 15 hp outboard for her 12 foot > sailboat. > >> The boat has been sailed only one time. > >> > >> steve > >> > >> Steve R. > >> M-15 #119 > >> Lexington, KY > >> > >> -- Ron wrote: > >> > >>> Also , I thought I read somewhere that the > pulpit > >>> adds strength to the transom hull-deck joint > >>> because of the through bolting of the > stanchions, > >>> thus allowing a larger motor to be used without > >>> joint separation . Any input? > >> > >>> Ron > >> > >> _______________________________________________ > >> > > > http://mailman.xmission.com/cgi-bin/mailman/listinfo/montgomery_boats > >> > > > > > > __________________________________________________ > > Do You Yahoo!? > > Tired of spam? Yahoo! Mail has the best spam > protection around > > http://mail.yahoo.com > > > > _______________________________________________ > > > http://mailman.xmission.com/cgi-bin/mailman/listinfo/montgomery_boats > > > _______________________________________________ > http://mailman.xmission.com/cgi-bin/mailman/listinfo/montgomery_boats > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com _______________________________________________ http://mailman.xmission.com/cgi-bin/mailman/listinfo/montgomery_boats
