Following the 2-stroke helicopter thread, I came across the Aixro wankel rotary engines :
http://[URL="http://x"]www.woelfle-engineering.com/Produkte/produkte_XFXH40rotaryengines_en.html
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Looks interesting : claims to be rated 26 kW (35 hp) continuous, 18.7 kg (41 lb).
http://[URL="http://x"]www.woelfle-engineering.com/Produkte/produkte_XFXH40rotaryengines_en.html
[/URL]
Looks interesting : claims to be rated 26 kW (35 hp) continuous, 18.7 kg (41 lb).