Jump to content
SAU Community

Rotary Times


Recommended Posts

.....Who's car can run 10's flat...and do they use it everyday?

Brother inlaw ran 10.21 @137mph RX7 S3 13BT untubbed street driven. :)

Previous to our skylines we had RX2 12A bridge and it was the most fun I have ever had driving that thing,

hubby used to complain I had no mechanical sympathy, but it kept going and going.

Link to comment
Share on other sites

too many variables with drag cars.

if u look at the pro rwd category in sport compact racing worldwide, pistons r the clear leader with titan running 6.41@220 in their 2J scion, theyre just making too much power for any rotary engine to catch.

at the end of the day, nothing beats v8 twin turbo :) no1s yet to catch MRMAD in australia :) and thats only a 3/4 chassis car!

yeah sports compact cars can only go as fast as to a certain degree.....

Link to comment
Share on other sites

Brother inlaw ran 10.21 @137mph RX7 S3 13BT untubbed street driven. :)

Previous to our skylines we had RX2 12A bridge and it was the most fun I have ever had driving that thing,

hubby used to complain I had no mechanical sympathy, but it kept going and going.

Now thats what I am talking about :sorcerer:

A real car driven on the street...not a car that can't turn a corner :sleep:

RX7's have one of the best chassis for drag racing...this is why they are stripped down and re-built .

Link to comment
Share on other sites

  • 2 months later...
Fuel consumption however is high

This is true on stock models but as the power goes up, the gas mileage doesn't go down much. In comparison to a piston motored car anyways.

im not quite sure why everyone keeps saying they're so unreliable...there are 2 guys at my works with a rx3 and rx4 and both claim its been about 160000ks without a rebuild now

I owned a 1987 RX-7 Turbo II with a few small modifications. I got 190,000miles on the odometer before the engine seals blew due to the radiator dying. One of my buddies owned a NA version of the same car and hit well over 250,000miles before the car rusted apart (lots of snow here, and they salt the roads). The normal problem with reliability is that the seals which hold the housings together go bad, which causes coolant to get into the engine. Coolant, being mostly water doesn't compress or combust, which kinda ruins your engines day. Rotary engines self lubricate when they run (they actually burn nearly 1 quart of oil every 3000miles), but most people just have the cars as weekend rides and they almost always sit in the winter. Sitting for extended periods of time causes the seals dry up and thats where the reliability issues come in. You rarely hear to many problems coming from daily driven RX cars.

Does anyone know what time the quickest rotor in the world does down a quater mile ? and what makes them so good compared to piston motors ?

I don't know what the fastest rotor is, but the reason they are so good is that they basically only have 2 moving parts (the rotors themselves). Because of this, there is a lot less to break. They are also way more efficient because they do intake, compression, combustion and exhaust all in the same chamber. Also rotary engines are VERY lightweight and they take very well to modification (big honkin turbos and whatnot).

No doubt in my mind that the Wankel motor would be superior to its piston competitors if people had spent the same amount of time developing it over the last 100+ years as they did the internal combustion piston motors. Heres some more information for anyone who actually cares. http://auto.howstuffworks.com/rotary-engine.htm

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share



×
×
  • Create New...