Paul,
Attached is a photo of the Mazda BD-5. It was
donated to the Oakland
museum many years ago so no need to solve the
cooling problems although
I'm sure with you talents and experience you could
have been a big
help.
Keith Hindshaw ran a shop in San Jose for many years
after Bede went
bankrupt. He sold kits, parts, engines and provided
assistance to those
of us who wanted to complete our aircraft.
He has since sold his business and retired to
Arizona. I do have some
data on it and the Norton birds somewhere in the old
newsletters. As I
remember the Mazda was 265 or 285 hp. Notice the
three bladed prop.
Here is the photo:

John K. Lewis

Three blade props may have been unique then...

Applying today's technologies might be interesting to
see what happens...

1. Scitimar props are available now.
2. Carbon fiber has certainly reduced the weight
3. Six, seven and even nine blade props can be found
Note: Seven blade is the quietest of all combinations

David Mathes



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