On the topic of ultralight engines, Jim Wiebe posted a panegiric to Polini:
http://jameswiebe.wordpress.com/2014...e-ever-except/
On the topic of ultralight engines, Jim Wiebe posted a panegiric to Polini:
http://jameswiebe.wordpress.com/2014...e-ever-except/
Polini looks like a nice power plant to me .
but just go back and listen to the engine note, on the wankle 313 cc on the +KID+ airframe .
compared to this polini
id like to try these radials out ,,
sure would like to see images of it running , power out put seems low but the 3-cycl cool factor makes up for that
http://www.compactradialengines.com/mz430.html
or this 4 cyl radial ..
http://www.compactradialengines.com/mz570.html
i think the fuel burn is high on them though iaw the specs .
the 3 cyl in operation
Last edited by mrbarry; 10-21-2014 at 02:41 AM.
Windward Sparrowhawk motorglider does not make the FAR-103 powered stall speed limit. FAR 103 has no stall speed limit for gliders.
Konig type radial engines, three or four cylinder, are not something Leon (Compact Radial Engines) wants to sell. Costs and tooling are complications. Per many year old conversations.
Last edited by jedi; 10-31-2014 at 09:02 PM.
I like the look of these engines. http://www.simoniniusa.com/