from me experience, 12a's and 13 b's had an oil metering system on the side of the timing cover to feed engine oil into the carby. this mixed with the fuel and lubricated the apex seals against the rotor housings.None of my rotaries had seperate reservoir for oil. The worst part (with a stock carby) was that if it sat too long, the fuel in the carby evaporated and left an oil deposit, which smoked on the next start.
the rotor housings are chrome plated alloy which requires careful warming up due to different heat expansion properties of the metals.warm em up and they work fine, last ages. ----- Original Message ----- From: maldat <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, December 21, 2001 5:35 PM Subject: Re: WHY SO QUIET? > Real rotary engines are 2 stoke and take 2 stroke oil with petorl,Just like the > old RX2,Or am I showing my age or how to really make a rotary fly. > > they were still wet sump with 2 stroke oil,the 2 stroke went in a box under the > bonnet,RX3 took stock gas no oil. > > malcolm > > Zac Campbell wrote: > > > Yes, metallurgy has come a long way and that has helped the rotary a LOT. > > They use two different tyres of metal in the engine in close contact thus it > > is important to warm them up properly before being driven. > > Since Rx7 came out the engines have been pretty good. A friend had one that > > had gone over 170000kms when he sold it (well looked after). We bumped into > > the new owner last weekend, he said he drove it hard for another year and > > then replaced the engine only because he wanted something faster! > > > > zac > > > > ----- Original Message ----- > > From: Craig Coffey <[EMAIL PROTECTED]> > > To: <[EMAIL PROTECTED]> > > Sent: Thursday, December 20, 2001 4:50 AM > > Subject: Re: WHY SO QUIET? > > > > > That old rotaries, I've seen plenty of rotas with over 100k on the speedo, > > > sure they're towards the end of their lives but still go every day. > > > > > > Craig (I used to work at rx7 heaven) > > > ----- Original Message ----- > > > From: "Terry Rudd" <[EMAIL PROTECTED]> > > > To: <[EMAIL PROTECTED]> > > > Sent: Wednesday, December 19, 2001 8:17 PM > > > Subject: RE: WHY SO QUIET? > > > > > > > > > > Superbikes are all 4 strokes and I think the limit is 1000cc. It will be > > > > interesting to see how they compare against the new 4 stroke F1 bike > > > engines > > > > which also has a 1000cc limit. Someone's trying to get an Aussie > > > > (Melbourne?) V8 bike financed and running, I've heard it revs over 20K > > > rpms, > > > > could be a sleeper in the more fancied bike names. > > > > > > > > The only thing wrong with rotas as I see it is they have to be rebuilt > > > every > > > > 30-40K's if used on the street, they just don't like running hard when > > the > > > > seals are cold but they do go well otherwise they wouldn't be so popular > > > > with the young revheads. The only rota i've driven recently was a Cosmo > > > 20B > > > > turbo automatic on a closed hillclimb as it's unreg - who says they aint > > > got > > > > torque, this sucka won the event and beat some very big noise and $$$ > > > aussie > > > > iron and sadly some Dattos/Nissans that fancied their chances too. > > > > > > > > regards > > > > Terry (as Iggy says check out the top 10 aussie street 1/4 milers - lots > > a > > > > rotas) > > > > > > > > -----Original Message----- > > > > From: [EMAIL PROTECTED] > > > > [mailto:[EMAIL PROTECTED]]On Behalf Of Zac Campbell > > > > Sent: Wednesday, 19 December 2001 4:24 PM > > > > To: [EMAIL PROTECTED] > > > > Subject: Re: WHY SO QUIET? > > > > > > > > > > > > I think you will find that those engines are generally two strokes, or > > > never > > > > of capacity as large as 1.3litre. I haven't seen a road bike with 1300cc > > > > capacity and 16000rpm redline recently. Ready to be proven wrong though > > :) > > > > > > > > ----- Original Message ----- > > > > From: Justin Friedrichs <[EMAIL PROTECTED]> > > > > To: <[EMAIL PROTECTED]> > > > > Sent: Wednesday, December 19, 2001 9:34 AM > > > > Subject: RE: WHY SO QUIET? > > > > > > > > > > > > > Compare it to a 1.3L equivalent superbike piston engine!!, if that > > type > > > > of > > > > > piston technology was allowed in a road car............. youd forget > > > what > > > > a > > > > > rotary was. > > > > > 16000 RPM plus, no worries. > > > > > > > > > > > -----Original Message----- > > > > > > From: Sargent, Daniel (AU - Brisbane) > > [SMTP:[EMAIL PROTECTED]] > > > > > > Sent: Wednesday, December 19, 2001 9:05 AM > > > > > > To: '[EMAIL PROTECTED]' > > > > > > Subject: RE: WHY SO QUIET? > > > > > > > > > > > > I don't know much about rotaries so I may be wrong but is'nt a 13b > > for > > > > > > example the equivalent of a 1.3L piston engine??? And if so then > > > please > > > > > > show me a 1.3L piston car keep up with 13b rotary. > > > > > > > > > > > > Cheers > > > > > > Dan. > > > > > > > > > > > > -----Original Message----- > > > > > > From: James Marmont [mailto:[EMAIL PROTECTED]] > > > > > > Sent: Wednesday, 19 December 2001 8:05 AM > > > > > > To: '[EMAIL PROTECTED]' > > > > > > Subject: RE: WHY SO QUIET? > > > > > > > > > > > > > > > > > > cos its a turbo > > > > > > > > > > > > -----Original Message----- > > > > > > From: McLEAN Ben [mailto:[EMAIL PROTECTED]] > > > > > > Sent: Wednesday, 19 December 2001 8:50 AM > > > > > > To: '[EMAIL PROTECTED]' > > > > > > Subject: RE: WHY SO QUIET? > > > > > > > > > > > > > > > > > > well why does a 20B produce approx 400nm at about 4000rpm ? > > > > > > -----Original Message----- > > > > > > From: James Marmont [mailto:[EMAIL PROTECTED]] > > > > > > Sent: Wednesday, 19 December 2001 7:24:am > > > > > > To: '[EMAIL PROTECTED]' > > > > > > Subject: RE: WHY SO QUIET? > > > > > > > > > > > > > > > > > > you know as well as i do that they have no torque when > > > > > > compared to a piston at the same revs > > > > > > > > > > > > -----Original Message----- > > > > > > From: Richardson, Thomas Morgwn - RICTM002 > > > > > > [mailto:[EMAIL PROTECTED]] > > > > > > Sent: Tuesday, 18 December 2001 10:13 PM > > > > > > To: '[EMAIL PROTECTED]' > > > > > > Subject: RE: WHY SO QUIET? > > > > > > > > > > > > > > > > > > Power is a function of revs and torque, so the > > > > > > rotaries that are pulling huge horsepower (even at stratospheric > > revs) > > > > are > > > > > > certainly not lacking in torque > > > > > > > > > > > > -----Original Message----- > > > > > > From: James Marmont > > > > > > [mailto:[EMAIL PROTECTED]] > > > > > > Sent: Tuesday, 18 December 2001 1:49 PM > > > > > > To: '[EMAIL PROTECTED]' > > > > > > Subject: RE: WHY SO QUIET? > > > > > > > > > > > > > > > > > > they suck! sure theyre quick but who cares when you > > > > > > need to be deaf to be able to sit in one while its running > > > > > > all revs no torque > > > > > > my 2 cents > > > > > > > > > > > > -----Original Message----- > > > > > > From: Shane McManus [mailto:[EMAIL PROTECTED]] > > > > > > Sent: Tuesday, 18 December 2001 2:08 PM > > > > > > To: '[EMAIL PROTECTED]' > > > > > > Subject: RE: WHY SO QUIET? > > > > > > > > > > > > > > > > > > rotaries are good > > > > > > > > > > > > -----Original Message----- > > > > > > From: damien cm [mailto:[EMAIL PROTECTED]] > > > > > > Sent: Tuesday, 18 December 2001 15:57 > > > > > > To: [EMAIL PROTECTED] > > > > > > Subject: Re: WHY SO QUIET? > > > > > > > > > > > > > > > > > > > > > > > > I think some people are intimidated by the high RPM > > > > > > and brittle accelaration of the RE. > > > > > > > > > > > > > > > > > > > > > > > > >From: "nat P." > > > > > > >Reply-To: [EMAIL PROTECTED] > > > > > > >To: [EMAIL PROTECTED] > > > > > > >Subject: Re: WHY SO QUIET? > > > > > > >Date: Mon, 17 Dec 2001 18:38:19 -0800 (PST) > > > > > > > > > > > > > >I hate it as well! > > > > > > >Cheers nat > > > > > > > > > > > > > >__________________________________________________ > > > > > > >Do You Yahoo!? > > > > > > >Check out Yahoo! 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