[Stoves] Pedal powered fan

[AJH]

On Tue, 19 Dec 2006 10:50:24 -0500, Crispin Pemberton-Pigott wrote:

>Is there a Stirling engine design which has _only_ pivoting components with no sliding parts?

There are certainly designs that use only diaphragms and I have seen
one that pumped water using a pivoted displacer that ran in the
quadrant of a cylinder with no touching parts. The chap who designed
it used it to pump water from his garden pond using the sun's rays.

AJH