Quote:
Originally Posted by oil pan 4
You do realize that classical boiler design calls for 8 to 10 square feet of boiler heat exchanger surface area.
Compact boilers that weigh a ton or so make less than 10 horsepower.
Thean reason to use a boiler is so that you can burn something that doesn't burn so well in a piston driven application. Something like coal, wood or bunker oil.
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Are we talking a classic design or a modern design? If I do a steam engine I would do a monotube boiler. Here's one that has 80 square feet of surface area, can handle up to 1,000psi, only weighs 350lbs dry and is good for up to 125hp.
Boilers Page of Reliable Steam Engine Co. Maker of Steam Engines, Boilers, and Accessories.
I wouldn't need one that big of course. But yes, by the time I add on a condenser, water tank, fuel tank and an economizer I'd be in the 1,000lb - 1,500lb area. Still not too much to throw on a trailer and pull with a Nissan Leaf though.