So how much oil does yours use on a regular basis?
Again, check your history on the Wankel.
- Bernd
----- Original Message -----
From: "Craig Baltzer" <Craig.Baltzer@anjura.com>
To: <dakota-truck@buffnet.net>
Sent: Monday, March 20, 2000 10:01 AM
Subject: RE: DML: Re: enough with the rice!!!!!!!!!
> The two stroke implication that you made was that there was an oil-fuel
> mixture as in a motorcycle 2-stroke (your words were "the pan is only
there
> to add oil to the fuel mixture", implying that it was like a 2 stroke bike
> with a separate oil tank). Thats not the case with any of the 70-90s
> rotaries installed in production cars (i.e. Mazdas) which is what we were
> talking about.
>
> Just because some poorly maintained/early versions had an oil consumption
> problem does not make it a fact that they require an oil/fuel mixture to
> operate correctly. Sorta like saying the 2.3l Ford motor installed in the
> Pintos was a 2 stroke and used the pan to add oil to the fuel mixture
> because some/most burned oil.
>
> My 1988 RX factory service manual shows "redline" at 8000, fuel cutoff at
> 8500...
>
> Craig
>
> -----Original Message-----
> From: Bernd D. Ratsch [mailto:bernd@texas.net]
> Sent: Monday, March 20, 2000 8:56 AM
> To: dakota-truck@buffnet.net
> Subject: Re: DML: Re: enough with the rice!!!!!!!!!
>
>
>
> Check your history and you'll find otherwise. The oil level was also
always
> a complaint from customers but since no matter what you did, they always
> lost oil (guess where is went). On the original Wankel design, there was
a
> oil injector. Since the patent was sold to Japan after WW2, they have
since
> "modified" it but could never get away from oil consumption (and obviously
> you don't add oil into the tank...if you were doing this than I would
offer
> you the same suggestion that you don't work on them either).
>
> As for the "2-Stroke" wording, let's put it in another way: (You could
> consider this a 3-stroke or as compared to conventional piston engines but
> that term has never been used.)
>
> (1) After all consumption gases have been pressed out the intake cycle
> begins. Air/Fuel mixture flows through the inlet channel into the first
> chamber. The piston rotates to the left and compresses the fresh gas.
> (2) Chamber 1 sucks in fresh gas, while chamber 2 starts to compress the
> gas. In chamber 3 the gas is completely burned and can flow out. Chamber
1
> sucks in air/fuel mixture. Chamber 2 has compressed the gas completely.
Now
> two ignition sparks ignite the compressed gas simultaneously. Chamber 3
> presses out the burned gases.
> (3) Chamber 1 is full of fresh gas. The compression cycle begins as soon
as
> Chamber 1 is closed. In Chamber 2 the burned gases decompress and press
the
> piston into spin direction. Meanwhile Chamber 3 presses out burned gases.
> (Goto Step1)
>
> As for working on them, did regular service on them as well as mild
> modifications (mainly porting since that's were a lot of the "easy power"
> comes from). The '87-'92 models always cut out at about 7200-7500.
> Occasionally, you had a "factory flaw" where either the engine made more
> power than it sould have or the limiter didn't come on until 8000.
>
> Anything else...let's take it offline or on the off-topic list.
>
> - Bernd
>
> ----- Original Message -----
> From: "Craig Baltzer" <Craig.Baltzer@anjura.com>
> To: <dakota-truck@buffnet.net>
> Sent: Sunday, March 19, 2000 11:40 PM
> Subject: RE: DML: Re: enough with the rice!!!!!!!!!
>
>
> > Sorry Bernd, but what exactly did you do on rotary engines that would
> leave
> > you with the misconception that they are 2 stroke in the same way that a
> > piston engine can be two stroke? Hope you weren't actually trying to
> perform
> > service work on any...
> >
> > The oil pan is NOT there to "add oil" to the fuel mixture, and rotaries
do
> > not consume oil unless seals are buggered. And no you don't add oil to
the
> > fuel when you fill the tank.
> >
> > Actual RPM specs 13A and 13B Mazda rotaries (commonly found in the RX7s)
> > were a warning buzzer at 8000, and actual fuel cutoff at 8500 or slighly
> > above (I've seen it as high as 9000). The 3-rotor never made it to the
US,
> > but was available in Japan and possibly other countries.
> >
> > Geez man, at least check you facts before posting and saying you know
> stuff
> > based on "working on them".
> >
> > Craig
> >
>
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