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Ken,
That's good news as I was hoping for around
8lbs. I'm aiming for 125hp for the single, so that's good news as
well.
Although I like the side exhausts for reasons of
eliminating the overlap, I don't like the possibility of having problems
clearing a flooded engine and by all indicators it is a problem. Can't have
everything I suppose!
George ( down under)
I just found this article in Ward's Auto World (Mar 1, 2002) stating
that the Renesis rotor is 14% lighter - that would make the Renesis rotor 8.2
lbs, not the 8.7 that I stated earlier.
"Design innovations made it possible to eliminate the twin turbochargers
employed by the current 13B rotary engine. By moving the exhaust ports from
the trochoidal housing to the side housing of the rotor chamber, the overlap
between the exhaust and intake port openings was eliminated — a crucial
emissions and power-generating factor. Meanwhile, reducing rotor weight
contributes to higher output of about 250 hp and torque of 159 lb.-ft. (216
Nm) — figures that are roughly equivalent to the 280 hp and 152 lb.-ft. (206
Nm) of the twin-turbo 13B in the existing RX-7 still sold in Japan. Rotor
weight was trimmed by 14%."
Ken Powell
Bryant, Arkansas
501-847-4721
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