Subject:
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Re: Reversible pneumatic engine
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Newsgroups:
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lugnet.technic
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Date:
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Sun, 1 Jun 2003 04:24:04 GMT
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Viewed:
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2019 times
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In lugnet.technic, Kevin L. Clague wrote:
> Besides bipeds, I also love LEGO pneumatics.
>
> Doug Carlson and I have been trying to work on techniques for making single
> piston pneumatic engine with little or no flywheel. Doug has been having better
> luck than I but neither of us have acheived the goal.
>
> In attempt to have a success at something, I decided to work on a project I
> thought of on Thursday. A reversible pneumatic motor.
> To my knowledge this is the first reversible pneumatic engine.
>
> Forward:
> http://www.brickshelf.com/gallery/kclague/Computing/p5280040.jpg
>
> Reverse
> http://www.brickshelf.com/gallery/kclague/Computing/p5280041.jpg
>
> The difference between the two is the positioning of the switch handles on the
> multiplexers.
>
> PLMKWYT
>
> Kevin
Kevin,
This is truly great! At the moment I barely understand it at all. I must build
one. Reversible valve gears have interested me for some time. This is not the
first reversible engine. I will soon upload photos to Brickshelf. My version
is from '93, I think. Anyway, my ambition has been to produce something like a
Walschaert valve gear. The link and radius rod have been impossible to do (so
far). :-) Another goal of mine has been to build an engine that can be started,
stopped, and reversed, all by using one control or lever.
Best regards,
Paul
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Message has 1 Reply:
 | | Re: Reversible pneumatic engine
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| (...) Hi Paul, I look forward to seeing your reversible engine. I looked at the Walschaert valve gear. Wow, that is hard for me to understand, even with animation. With longer tubes, I could have easily hooked the two multiplexers to the same (...) (21 years ago, 1-Jun-03, to lugnet.technic)
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Message is in Reply To:
| | Reversible pneumatic engine
|
| Besides bipeds, I also love LEGO pneumatics. Doug Carlson and I have been trying to work on techniques for making single piston pneumatic engine with little or no flywheel. Doug has been having better luck than I but neither of us have acheived the (...) (21 years ago, 1-Jun-03, to lugnet.technic) !
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