Marine Engine Plans

kiwi2 · Jan 18, 2017

Hi,

Has anyone had a crack at making the engine from the plans shown below?
The link to it is:

www.john-tom.com/MyPlans/Steam Engines/MarineEngine.pdf

There appears to be some missing views. There is no side view of the cylinder block for example so it's height isn't specified.
I can probably make a guess at the missing dimensions but if anyone has already made it, the job would be a lot simpler.

Regards,
Alan C.

BaronJ · Jan 18, 2017

You don't need the "www" infront of "john-tom.com".

Jasonb · Jan 18, 2017

This is the same engine drawn to approx 1.5 times the size so you should be able to proportion things from there. Would make the cylinder block 1.25" tall

http://www.vapeuretmodelesavapeur.com/telechargements4/bicyl-marin.-vertical.pdf

joco-nz · Jan 18, 2017

Jasonb said:
This is the same engine drawn to approx 1.5 times the size so you should be able to proportion things from there. Would make the cylinder block 1.25" tall

http://www.vapeuretmodelesavapeur.com/telechargements4/bicyl-marin.-vertical.pdf

That's really good to know I'm pretty sure I have that plan in my collection and the original posted in the thread as well. It's on the long "would like to try that one" list.

kiwi2 · Jan 19, 2017

Thanks Jason. It's interesting how he has replaced the brass cylinder block with aluminium and puts bronze liners in the cylinders and brass liners in the valves.
He shows the height of the block to be 49mm which is 1 15/16".

Regards,
Alan C.

kiwi2 · Jan 19, 2017

Hi again,
The website containing the pdf Jason posted is this:

http://www.vapeuretmodelesavapeur.com/telechargements4/

Not speaking French I'd never come across it before. It is a real treasure trove of plans and well worth a visit.

Regards,
Alan C.

Gedeon Spilett · Jan 19, 2017

With these plans, before cutting metal, it is wise to check all dimensions for interference, ie piston hitting top or bottom cover and so on, it may involve some redrawing...

Marine Engine Plans

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