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Author Topic: Interesting engine design  (Read 1273 times)

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Offline floydjer

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Interesting engine design
« on: November 08, 2018, 02:14:12 PM »
Patent drawing for the Weatherholt stationary engine. The piston is fixed, The cylinder reciprocates...And note where the valves are located.
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Offline jdincau

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Re: Interesting engine design
« Reply #1 on: November 08, 2018, 02:22:00 PM »
"Explosion engine" we used to have one of those!
Unless it's crazy, ambitious and delusional, it's not worth our time!

Offline Stainless1

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Re: Interesting engine design
« Reply #2 on: November 08, 2018, 10:53:01 PM »
Yea, we've had a couple like that with the valves in the piston....  :roll:
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Offline floydjer

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Re: Interesting engine design
« Reply #3 on: November 14, 2018, 11:15:31 AM »
Easy way to avoid that Bob...Use pistons as valves.
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Offline Lemming Motors

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Re: Interesting engine design
« Reply #4 on: November 15, 2018, 11:02:01 AM »
Does that make it a 2x4 stroke?
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Offline 4-barrel Mike

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Offline Seldom Seen Slim

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Re: Interesting engine design
« Reply #6 on: November 20, 2018, 06:14:18 AM »
WW II diesel submarine engines were opposed piston - less noise for the bad guys' sonar to hear.
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Offline fordboy628

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Re: Interesting engine design
« Reply #7 on: November 20, 2018, 06:38:22 AM »
Under the heading of:

You can make ANYTHING work, given enough time & development money . . . . .

A/   Probably ok for some sort of "Johnny Popper" stationary power source.

2/   Overly small valves and "longish", tortuous ports prevent achievement of "high efficiency".

d/   Moving cylinder as higher mass than moving piston, and since F = m*a, severely limits rpm potential.

z/   High rpm use might dictate a "cylinder return spring" taken from a railroad boxcar suspension . . . .   :roll:



Lots of interesting ideas floating around from 1903.   Might there be a working example in a museum somewhere?

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Offline floydjer

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Re: Interesting engine design
« Reply #8 on: November 20, 2018, 08:11:17 AM »
OK.....where is that gif. of the engine that has the pistons leaving the bores and swapping cylinders ?  That made my temples throb.
I`d never advocate drugs,alcohol,violence or insanity to anyone...But they work for me.