Hi Paul!: thanks a lot for the wonderful sendings about RCEs. I
have just
one doubt: the title of this e-mail is: "12A Dyno Chart & BSFC",
this is one
one best new year gifts I may have had, as I was considering
installing a
Wankel RCE in my 1976 AMC Pacer base, now it has a 4.2 lit (258?) 6-
L engine
with single vase carburetor, a power of 98 HP, and a Chrysler
Torqueflite 3-
speed plus reverse Automatic Transmission, I bought a Mazda Auto
Trans for a
RCE, and as the power output of the Mazda 12A and of the 6-L AMC are
roughly
the same, the AMC engine weighs near 400 pounds, I guess the 12A is
around
135 pounds, just the gain in weight would improve overall car's
performance,
and the only change needed may be finding the right final axle gears
ratio;
a German autor Knapp, points in his book (in German): "Wankel in the
test
bench", that by 1976 the fuel economy of rotaries and contemporary
reciprocating engines was roughly the same, the promised data about
12A
would be of great help to me, provided the case it refers to an stock
engine, and not to one specially tuned and modified for use in
airplanes.
So, hope it was a temporary mixing of e-mail titles, and having soon
the
opportunity of looking at the 12A data, hope also finding a 12A for
sale in
good condition.
Have a nice week, best regards, salut +
Jose Gros-Aymerich
I had no idea they sold those things in Spain.
The Pacer needs a 3 rotor :)
Paul Lamar
Paul is right for a change. Your Pacer needs low-end torque and the
inline 6 has that in spades (assuming it has strong heart. lol).
John Dinkel
Nice day!: thank you, I never expected such a fast reply. No, they didn't
sell AMC Pacers in Spain, I bought mine in ebay, form a man in NY and had it
send to Valencia in a ship. They sold some Mazda early Rx, most in the
Canary Islands, that was a no tax, no customs restrictions place. In the
70s there was a person that liked rotary engines and had a repair shop and
sales office just for NSU and Mazda cars, and for Hercules DKW W-2000
motorcycles, when he died, the building was sold to an air conditioning
company. Today there are many Mazda retailers, in fact one of the first
Mazda car importers had their office in the floor plant of the building
where my family lived, and you see some Rx-8 on the streets, along wiith
more other Mazdas with reciprocating engines. I didn't considered the idea
of using a 3 rotor, these look even harder to find, and also I may have
problems in obtaining a circulation permit for the Pacer with such a deep
modification, the power of the 3 rotor may nearly double that of the AMC V8,
around 135 HP, as that kind of tuning requires a project signed by a
registered and authorised engineer, and then a thorough inspection before
being allowed to go on roads and streets, rotaries have a taxation
advantage, the Rx-8 engine is considered as having a total displacement of
less than 1.5 liters, while the current 6 in line 4.2 lit engine in the
Pacer has a taxation 10 times the ones I pay for my other car, a Citroën
Ami-8 with a flat-twin, air-cooled engine of 602 cc total displacement and
34 HP, but your idea is a good one, and I'll look at it.
Have a good week, bets regards, salut +
Jose Gros-Aymerich
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