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FatBear
09-15-2006, 05:55 PM
Hi,
An ad appears in Boats & Harbors for a Norwegian trawler built in 1914. The ad says it is powered by a 2 cylinder Bronvoll engine. I have not heard of this engine and can find no reference to it with a Google search. Does anyone know anything about this engine? Was it misspelled or is it just that obscure?
Thank you,

--Brian

Eirik Nicolaisen
09-19-2006, 05:16 PM
Bronvoll should be spelled Brunvoll. Brunvoll was one of the better known norwegian manufactorers of semidiesel engines, building engines from 1912 to about 1965. You can visit www.semidiesel.com (http://www.semidiesel.com) for more history on norwegian semidiesel engines (the site is written in norwegian, though !).

Eirik Nicolaisen
09-19-2006, 05:24 PM
Sorry, correct adress: www.semidiesel.no (http://www.semidiesel.no)

Bob Smalser
09-19-2006, 09:13 PM
Here's how these old semi-diesel motors work:

http://en.wikipedia.org/wiki/Hot_bulb_engine

donald branscom
09-22-2006, 10:18 AM
Here's how these old semi-diesel motors work:

http://en.wikipedia.org/wiki/Hot_bulb_engine


Thanks for the information Bob.