On Thu, 13 May 1999 15:45:40 -0700 "Toby Atwater" <tob@taltec.net>
writes:
>
>
>
>
>>Alan Inglis wrote:
>>>
>>> I'm pretty certain that the CFR engine has a variable
>>> compression ratio. How do they do that?
>>
>>It's a single-cylinder engine on which the cylinder bore is mounted
>on
>>adjustable threaded rods. Turn the rods one way, the cylinder head
>>moves up away from the crank and the combustion chamber gets bigger;
>>turn them the other way, the cylinder head moves down and the
>combustion
>>chamber gets smaller. Since bore and stroke remain the same, this
>lets
>>them adjust the compression ratio *while the engine is running*.
>When
>>it reaches a point at which it knocks on a particular fuel, that's
>the
>>MON number for that fuel.
>
>
>anybody ever think about making this into an engine? It would be kinda
>nice
>to adjust your compression depending on gas
>prices\performance\relaibility..... very intresting stuff. or maybe on
>future engines, have the whole setup automatic, so you cant destroy
>your
>engine even trying to make it knock. I always wanted to be an auto
>engineer.....
>
Henry Ford had something that worked almost as well on the '28-'30's
model A. It was an adjustable main jet that could be done from inside
the car as you drove. Also had adjustable timing available on the
steering wheel. Are we going forward or not?
Paul
PAsgeirsson@juno.com
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