chuck wrote:
Does anyone have any experience using a type 1
VW in a pusher configuration? I'm specificately
interested in the thrust bearing location. Thanx.

The VW conversion plans sold by Falconar Avia specifically address this
application in some detail.

http://www.falconaravia.com/ scroll down for the Little Demon plans.

The proposed installation on a Challenger MAY work, but it will
CERTAINLY be heavier than the Rotax 582 that airplane was designed
around.