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Old Jan 23, 2007 | 10:11 PM
  #76  
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From: Richmond, Va.
Originally Posted by DamonB
Common myth that is perpetuated by rotary zealots.
If it's a myth, then what is the reality?

This kind of thing happens all the time, though.

example: Norton F1 twin rotor had the rules changed against it after it owned piston engine bikes in competition

example: my uncle owns a company called Manta products in Berkeley and they had a hangglider model with a style of airfoil different from conventional gliders. It dominated the competitions and was consequently disqualified or re-classed into an area where it couldn't compete.

Instead of adopting, commending, and eventually improving new technology, it is often seen as a threat. Things like this should be receiving positive attention, which could allow it to far surpass older methods, not branded with stigma and surrounded by misinformation as they are.
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Old Jan 23, 2007 | 10:52 PM
  #77  
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Originally Posted by dubulup

REF: RX-7

Quote:
Originally Posted by JConn2299
I bought them because they were small, light, fast, and a good buy compared to other cars available at the time.



REF: V8

Quote:
Originally Posted by JConn2299
They're compact and powerful and relatively cheap for the power you can get out of them.


Are you implying I made some sort of contradiction? If so, you didn't read carefully enough. The RX-7 statement refers to the car as a whole, while the statement about V-8's is limited to the engine. And I stand by it. They are compact, and most, like the classic Chevy small block, are relatively cheap. The V-8 configuration is only as long as a 4 cyl. and allows for good chassis placement and the consequent weight distribution advantage as compared to an inline 6, V-10, or a V-12. Those are some of the main reasons V-8's have endured and dominated.

I like rotaries too.....I've owned three of them, but one has to face facts. They suffer in comparison when it comes to a relative lack of torque and fuel economy, and unless and until those two things are conquered the Wankel will never achieve widespread popularity.
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Old Jan 24, 2007 | 12:52 AM
  #78  
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Originally Posted by megatron
... I haven't driven or worked on an RX7 yet but I'm sure the existing ECU can do with some enhancements....
I agree. The FD RX-7 was introduced in 1992, which means the electronics package was designed no later than 1991. Computers have come a long way since then. The stock ECU works just fine for stock flow levels, but it can't handle increased flow, because it can't detect it well.
If I could only change one thing about the stock ECU, I'd add a more robust boost control function, so the car won't boost when it's too cold or too hot. Also, don't let the boost spike or creep above 10-12psi, no matter what.


The cooling system is the other problem, and you can't fix it by changing ECU settings. There are quite a few other things you can do about it, though. Here's some more info about cooling: https://www.rx7club.com/3rd-generation-specific-1993-2002-16/big-fat-fd3s-cooling-thread-571088/


-s-
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Old Jan 24, 2007 | 08:39 AM
  #79  
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Are we really trying to compare a rotary and a v-8?? Because quoted from the Megasquirt site, "So to MegaSquirt, the Mazda 13B rotary looks just like a 4 cylinder engine, except for having a 2nd set of plugs delayed by a few degrees."

Granted a 4cyl with sucky MPG, but one helluva power advantage compared to most I4s.
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Old Jan 24, 2007 | 10:01 AM
  #80  
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From: Lafayette, LA
Originally Posted by JConn2299
Are you implying I made some sort of contradiction?
no the other..."a match made in heaven?"

I'd love to own a LSX-7...and track the hell out of it!

I like RX-7's period
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Old Jan 24, 2007 | 10:41 AM
  #81  
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Originally Posted by dubulup
no the other..."a match made in heaven?"

I'd love to own a LSX-7...and track the hell out of it!

I like RX-7's period

Ooops. Sorry, my bad.
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