[PCW] Aspen Power Catamarans by Larry Graf

djogerst at bellsouth.net djogerst at bellsouth.net
Mon Jan 5 00:45:39 EST 2009


High You All . As to the question about stability of a power trimaran--four years ago I rode on a 50 foot Tri from Naimo BC to Alaska  during a predicted log race.  The boat was unique, home built, powered by a GM 350 Gas V-8.  It did have one  big drawback--When an Ama caught  a wave the boat would turn and then  the other ama would catch a wave, etc, etc,.  The autopilot could not keep a coarse within 10 degrees!  Dave sends.
-------------- Original message from Robert Deering <deering at ak.net>: -------------- 


> On 1/4/09 4:43 AM, "Georgs Kolesnikovs" 
> wrote: 
> 
> > Bobn, Tom and others-- 
> > 
> > I've passed on your questions to Larry Graf for comment. When I hear 
> > back, I'll post an update. 
> > 
> > --Georgs 
> 
> Georgs, 
> 
> Mulling this proa concept over a bit further has me returning to a question 
> I've had before: Why no power trimarans on the market? The center hull 
> (vaca) holding the propulsion and two slender 'outrigger' hulls (amas) 
> providing stability and storage? 
> 
> Seems to me that would provide balanced steerage due to the symmetrical 
> design and still provide the other advantages that the Aspen proa boasts. 
> What are the disadvantages? 
> 
> Bob Deering 
> Juneau, Alaska 
> _______________________________________________ 
> Power-Catamaran Mailing List 


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