All good from here- I can feel the boat happy in those conditions with a bit of freight versus light. I prefer zero tidal action near rocks. Have fUn, go sail. On Mon, Jun 13, 2022 at 12:16 PM Roger Langmaid <rogeregon@gmail.com> wrote:
I have a 3.5 hp Tohatsu 4 stroke on my M15. I upgraded the carburetor and propeller to make it 4 hp ( Ready Steady Boat ) and it only weighs 45 lb. Boat does 5 knots easily and sails fine without feeling like the weight is an issue . I understand greater HP does not increase speed beyond maximum Hull speed but in my opinion the extra power can make a difference in controlling steerage in the often significant channel currents I have up in BC inner coastal waters here.
I also added a 2 gal fuel tank with a fuel line connection to the motor so as not to be refueling at sea with the small motor top tank . There's a good you tube video on how to do that .
The motor Mount has an additional plywood reinforcement plate on the inside of the transom. I remove the motor when trailering.
Roger
M15. Alula
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Original Message
From: scoobscobie@gmail.com Sent: June 11, 2022 8:01 AM To: montgomery_boats@mailman.xmission.com Reply to: montgomery_boats@mailman.xmission.com Subject: M_Boats: Re: motor weight
A 4hp motor on a M15 is excessive weight, for balancing and triming the boat, EXCESSIVE power. The M15 is absolutely fine with a Honda 2/2.3. Suzuki is offering a long shaft 2.5 but adds complication of a water pump (yearly teardown and service) and shift linkage (a failure point).
IMO at this point don't worry about damaging the transom IF you see no evidence of cracking around the fasteners (both by external and internal inspection) AND you don't have the motor on the transom when trailering the boat.
Final IMO - get a Honda 2/2.3.
:: Dave Scobie :: M6'8" #650 :: Baba 30 #233 DEJA VU :: SV SWALLOW - sv-swallow.com :: former owner M17 #375 SWEET PEA - m17-375.com :: former owner M15 #288 SCRED - m15namedscred.wordpress.com <<-- new site!
On Sat, Jun 11, 2022, 6:51 AM Peter Zimowsky via montgomery_boats < montgomery_boats@mailman.xmission.com> wrote:
Hi: Been reading a lot about motors, etc, horsepower and stuff. When I bought my boat it came with a 4 horsepower. I’m concerned about the strength of the M15’s transom and motor mount handling 75 pounds. I’ve been sailing with it for 6 years but boats get older and things weaken. Can the M15 handle 75 pounds. Thanks Pete WinterSky (Zimowsky)
San Juan Islander lost inland - an old salty stuck in the sagebrush
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"We Can Not Control the Wind But We Can Adjust Our Sails"