My info is -real- skimpy but does indicate that the BH-3 was delivered to
the Czech AF in 1921. Only 10 of these aircraft were delivered and
it was powered by a 220 hp Walter W-IV in-line engine. Source, Arco-Aircam
book on the Czech AF.
Cheers,
-- Bill Shatzer - bshatzer@orednet.org -or- aw177@Freenet.Carleton.ca - "An armed society is a polite society." -Robert Heinlein-