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[ Follow Ups ] [ 7-series (E32) Message Board ] [ Msg. Board FAQ ]

Posted by Max Fretter (NZ 88 735i) on October 11, 2001 at 03:53:55:

In Reply to: soo, what about CNG? Clean natural gas? how do posted by Henry J on October 10, 2001 at 22:25:57:

basically similar to LPG - have a pre-carb after the airfilter (or afetr the carb if engine has one), and a diagphram regulator referenced to the engine intake manifold vacuum (to regulate injection rate against the airflow, eg manage the "mixture")

Common here in NZ along with LPG - difference between the two comes down to the grade of gas - LPG is closer to petrol and is usually better in modern engines as both do burn hotter...


they work? Is it similar to a gas engine, with plugs and wires?
just adding o the discussion...

There was indeed never a BMW with a Wankel engine. At least not in production.

The Wankel engine was invented by Felix Wankel a German engineer, like Nikolaus Otto (this why we call gasoline engine Ottomotoren) and Rudolf Diesel.

Thereve been two production Wankel cars prior to Wankel: The NSU Wankel Spyder (1 disk) and the NSU Ro 80 (2 disks). NSU was the largest motorcycle manufacturer in the world inthe late 50s. Long before anybody had heard about Honda. NSU was later bought by Audi and Audi/NSU bought by Volkswagen.


BTW: I would call a gas turbine an internal combustion engine as well.

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