On 1/11/2012 12:38 AM, bumper wrote:
The Wankel is a bit less fuel effecient than a piston engine.

That is true compared to a four stroke piston engine, but the Wankel is
still more efficient than a 2 stroke piston engine. Not that it matters
in our gliders, as each is equipped with an appropriately sized fuel
tank, and fuel cost isn't going to be an issue!

--
Eric Greenwell - Washington State, USA (change ".netto" to ".us" to
email me)
- "A Guide to Self-launching Sailplane Operation Mar/2004" Much of what
you need to know tinyurl.com/yfs7tnz