Rotary engine mileage?

I’ve seen all too many people landing on my blog asking: “How much mileage out of a rotary engine?” The answer is very simple: “Your mileage will vary”. Dissappointed? Don’t be. It’s actually a good thing.

In my case, with a 2004 Mazda Rx-8 (Renesis rotary engine), I was getting a [...]

Franz Von Holzhausen talks about the Furai

Check out this interview with Franz Von Holzhausen, Mazda’s Design Director, at NAIAS 2008 talking about the design direction of the Mazda Furai.

Here is an excerpt from another interview:

The car is built on a chassis from the company’s racing team. Mazda ran a vehicle with a related chassis and engine [...]

Mazda Furai: Old News Can Still be Exciting

Take a look at this short from what seems to be Mazda’s Laguna Seca Raceway on a press track demonstration of the Furai -the last in a long line of, until then, show concepts and prototypes of another rotary engine powered car. Crank up the volume and listen to that engine scream!!!

Follow Up: Rotary Engines Illustrated!

I thought it would be prudent to throw in some material that can help human beings like me visualize the construction and cycles of a rotary engine. All I had to do was a quick search through YouTube.

The rotary engine anatomy

Here is a Car & Driver TV segment talking about a Mazda [...]

RX-8: Stock Air/Fuel Ratio

Here is another oldie from the my old collection of Rotary Engine & RX8 articles. Original publish date 1/24/2005

A brief introduction to Air/Fuel ratios

Definition: the mass of air supplied to the engine divided by the mass of fuel supplied in the same period of time. The Stoichiometric, or chemically correct, air-fuel ratio (A/F ratio) is the exact ratio necessary to burn all the carbon and hydrogen in the fuel to carbon dioxide and water with no oxygen remaining. The fuel-air ratio is the reciprocal of the air-fuel ratio.

Stable combustion conditions require the right amounts of fuel and oxygen. The combustion products are heat energy, carbon dioxide, water vapor, nitrogen, and other gases (excluding oxygen). In theory there is a specific amount of oxygen needed to completely burn a given amount of fuel. In practice, burning conditions are never ideal.

Continue reading RX-8: Stock Air/Fuel Ratio

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