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Old 08-16-2002, 07:32 PM   #1
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rotory question

I had a friend (not a very reliable resource) that told me that the wankel engine was held together by 1 bolt at 2000 psi. Personally I think he is blowing smoke up his butt, but I thought I'd ask anyways..?
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Old 08-16-2002, 07:37 PM   #2
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NOT true!
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Old 08-16-2002, 09:41 PM   #3
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You need to bitch slap him... LOL...

There's no way Mazda would be betting this car on the rotary engine unless they knew it was good... it'll be a big problem for them if it isn't reliable... and they know it.

If it's in the RX-evolve then it's been in testing for 3 or 4 years at least.
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Old 08-16-2002, 09:45 PM   #4
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If you wanna put it like that... the pressure in the combustion chamber of any engine is probably easily 2000PSI...

And the little end pin attaching the piston to the conrod in a regular engine is held in by.... a circlip...

You can make anything sound bad if you try can't you.
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Old 08-16-2002, 09:51 PM   #5
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LOL wrist-pin circlip. So true...
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Old 08-17-2002, 09:01 AM   #6
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Maybe this is what your "friend" was thinking of?

The only thing I can think of that is even remotely similar to "1 bolt at 3000 psi" is the 54 mm nut that holds the flywheel on the eccentric shaft (= crankshaft). It gets torqued to 300 lb-ft. But that doesn't "hold the engine together"; it simply holds the flywheel in place, and I've never heard of this nut failing. Quite the contrary. Usually it's a pain in the rear to get off!

The engine is held together by a number of long tension bolts. Don't quote me on the exact number, but I think it's 15 or 16. And the components are located in relation to one another with two metal dowels that can also be an annoyance to deal with. Mazda didn't take any chances when designing the basic engine. It would essentially be impossible for one to blow apart explosively. Don't even worry about that possibility.
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Old 08-17-2002, 11:35 AM   #7
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Most likley he knows nothing about rotaries and has heard 3rd hand that they might be unreliable so has just made somthing up to justify his belief.

It's a common thing...
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Old 08-18-2002, 03:36 PM   #8
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Yeah, he knows nothing about a rotory. He's one of those american muscle or nothing people so just though I'd make sure. Then again he's also a guy that gets his on the head with a baseball bat when he's drunk.
Also yall know if there is a book that I could get a hold of to learn all about the rotory and how it works. I figure since i'm going to be getting one in a few years i need to be able to take care of my baby.
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Old 08-18-2002, 06:13 PM   #9
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Just wondered... is there a plural of "yall"? And if so would that be "All yall"?

Sorry couldn't resist...
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Old 08-18-2002, 10:50 PM   #10
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Hehe, I didn't even notice it, being from Texas it seems natural. Though to sound like a total dork, yall is already plural as it is a contraction of you all. But enough of this, back to the joys of rotaries!

Luke
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Old 08-19-2002, 12:05 AM   #11
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Already plural LOL.

Ya'll = You all.
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Old 08-19-2002, 06:01 AM   #12
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ROFLOL...

errr... uh... em...

Sarcasm 101 is just down the hall....
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Old 08-19-2002, 01:40 PM   #13
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Hehe, I was pretty sure there was some sarcasm involved there. It's the English way, no? But I always enjoy "ignoring" the sarcasm with a nice over-the-top answer!
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Old 08-19-2002, 10:55 PM   #14
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Strider if you are looking for a book on the Rotary engine you can try Haynes manuals ( http://www.haynes.com/na.html ) The manuals include procedures for everything from routine maintenance to complete engine overhaul, and include wiring diagrams in the back of each book. It's pretty thick reading. You can find it at Autozone, or Pepboys. Take a look at it to see if it's what you are looking for.
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Old 08-20-2002, 09:14 AM   #15
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You could also try this http://www.howstuffworks.com/rotary-engine.htm

A little higher level explanation than a haynes manual, but sufficient I think for what you are looking for.

Good read for anyone here who hasn't already seen it.
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Old 08-20-2002, 09:29 AM   #16
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yall

My bad it's a little thing I manage to pick up living in the bumpkin park of Indiana. Not all too many hicks around here, but it's still fun to talk like one now and then.
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Old 08-20-2002, 09:56 AM   #17
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Bah. Y'all is a great word. English needs a separate second-person plural pronoun, and y'all is short, elegant, and cool.

-Patrick (who was born in Texas and grew up in Mississippi)
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Old 08-20-2002, 05:35 PM   #18
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Dispite being English, and firmly believing that you guys have got everything from the size of a gallon to the spelling of colour wrong... LOL.. ;-)

I actually agree with you, and if I could get away with using "y'all" here I would.
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Old 08-20-2002, 08:13 PM   #19
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I once tried to go a week without using "yall" and barely made it 10 minutes! Sometimes being from Texas aint so easy! :p
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Old 08-20-2002, 08:38 PM   #20
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The thing is, it's such a stereotypical Americanism that in England a non American couldn't really get away with saying it...

There must be an equivalent that works the other way round, but it's eluding me at the moment.
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Old 08-20-2002, 08:38 PM
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