the engine I have welded of steel, the liners are steel, cast iron piston rings, the bearings are white metal and my own version off klugs valve gear. almost the whole engine is built of scrap I had lying around. flywheel for example is from a vw engine lots of work :) http://i1022.photobucket.com/a...

Hey scott
Yes I have thought about one way bearings, but now I've become familiar with the clicking, and its only in reverse.
no original I think it had a hotbulb Engine.
It is 30 ft x 10 ft and it weighs i guess about 13000 lbs

Hey No the hull is an old logging tug but I extended the hull 5 ft. because it was so short and wide (10 ft. wide) And yes the ratchet mechanism is clicking in reverse, tried at first building a soundless but did not work so well (lots of smoke in the boat when it reversed) the other blocking plate ...

I will try to show, even though the pictures are a bit messy. First a picture from construction, here you can see the fan and air preheater. http://i1022.photobucket.com/albums/af345/cadillac472/tulka-07_zps8f73307d.jpg http://i1022.photobucket.com/albums/af345/cadillac472/IMG_0291_zps53a097ab.jpg T...

Hey On my boat, I have a belt driven fan and air pre-heater. It makes approximately 2 knots improvement on my wide (10 ft) and heavy hull, the air is heated to 160-185 F before it goes to the ash Pan. The air is automatically turned off with a damper when you open the fire door. works well and is qu...

It worked! And a picture of the Engine 4 1/2" +7 1/4" x 5 1/2" 115 +185x140 mm. No casting all welded steel.

Thanks for the help with the image.
I'll try again with a photo from last year, on the way to the first sea test.

did not work i try again [img]http://s1022.photobucket.com/user/cadil ... sort=1&o=3[/img]

I'll try to post some pics.

Hello i have been Reading on this forum fore a couple off years now, and it has helpt me a great deal when a build my Engine and boat. Excuse my Spelling, i was probably sleeping in school. My boat is a 30 ft steel tug and the Engine is a homebuilt condensing compound ca 18 hp. with a VFT boiler. Th...