Hi Daniel. I'm in Cambridge, near Lake Karapiro.

Hi Daniel. Cambridge, near Lake Karapiro.

ooops! typo. That's 1.5 hp @ 800rpm

Thanks for your replies. I was guessing about the 5 hp, forgetting of course that steam hp is bigger (better?). With the Petter and 1:2 reduction in the gearbox, my prop speed would be 600 to 1600 rpm, 9" prop and no room for bigger, and the 4 knot speed seems about right for a 12' waterline length....

Hello from New Zealand! I have a 14' kauri clinker launch which is fitted with a 6 bhp Petter single cyl. diesel. It all works well but of course it's a noisy b****y thing. My question to the forum is this: is there a 4 or 5 hp steam engine available in kitset form somewhere in the world? I've been ...