12

Paul,            From memory you possibly felt that the trailing plug
was not much use in aircraft use of the rotary.  If I switch off the
trailing plug nothing seems to change, A/F stays the same, RPM does not
alter, so what does the trailing plug do at 3000 RPM plus?    Would it
not have been better for Mazda to put two leading plugs in, instead of
the one?

Neil Unger.

I think it might affect the BSFC slightly.
Mazda made a 3% improvement in the Lemans 4 rotor BSFC  by
using 3 plugs.


Paul Lamar

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