Heidemann Works Hanover Rotorjet

[bpellham]

I just picked it up last weekend. The net has some stuff in German, but that is all I've found. Any input from the local masters?

 

[Rustinkerer]

Probably made by Daimler/Puch/Steyr, a European collective that made most oddball cruisers with 3 piece cranks. -Adam