Subject:
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Engine Speed Regulation
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Newsgroups:
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lugnet.off-topic.geek
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Date:
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Thu, 28 Oct 1999 17:43:52 GMT
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Viewed:
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219 times
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Here are some of the questions that have been nagging me since I was a kid.
How does the press of the throttle affect the RPM and the torque of the engine?
By looking at the R/C model engines, it seems to me that the throttle controls
the amount of air injected into the carburetor. Is the amount of the fuel
injected into the carburetor also affected by the throttle? Is the proportion
of air and fuel in the mixture affected?
In the model engines, you can adjust the proportion of air and fuel in the
mixture through a needle. Somehow, reducing the proportion of the fuel (hence
increasing the proportion of the air) results to the increase of RPM. Why?
And a related question: How do you control the speed of a steam locomotive?
Cheers,
Hao-yang
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Message has 1 Reply:
 | | Re: Engine Speed Regulation
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| (...) Working from memory and I could be wrong. But I doubt it. Review. Reciprocating steam engines function by admitting pressurised steam into a chamber (the cylinder) where it expands, doing work against the walls. One of the walls (the piston (...) (25 years ago, 29-Oct-99, to lugnet.off-topic.geek, lugnet.trains)
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