Subject: engine core specs
From: Rotary Engine
Date: 2/9/2006, 9:31 PM
To: AA-me


Hi,

Can anybody guide me to a web site that gives the specifications
(including engine weight) for Mazda rotaries?

Thank you,

Dale Mahan

I am not sure it is on a web site. The bare engine weight of
the two rotor is 190 pounds. HP can be from 130 HP to 800 HP turbo,
nitrous and alcohol. 250 HP is easily attainably on car gas and P-port.
Here are some size dwgs.


Paul Lamar ...No rotor no motor.

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Hi Paul,

Do you have the same sort of  weight snd dimension information for the 20B?

Thank you,

Dale Mahan

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The bare engine weight on the 20B is about 260 pounds and add 50% more HP
with any given porting configuration and add six or seven inches to the
length of the 13B two rotor.

As you can tell the power to weight ratio advantage over the 13B
is considerable.

Paul Lamar ...No rotor no motor.

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