-Douglas Fir wrote:

Hi George,

The Rotary Engine Press paper I sent you mentioned the Renesis rotors are
lighter and illustration should less material in the inner metal walls.
However it might amount to only a few grams.  Can anyone out there weigh one
for us to confirm it?

Doug in Japan

I can't tell you how many grams but it was about only an ounce or two.
Something less than a 1/4 of a pound. A regular rotor is about 9 pounds.

Paul Lamar

Jack Beale wrote:

Paul / Doug,

An ounce = 28.34952312 grams - about 28 grams...!

Jack Beale
jack.beale@att.net

Paul
That would make sense. My PR info. said Mazda engineers reduced the OD of
the metal boss and the diameter of the pin boss thus enlarging the oil
cavities.
Doug

 
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