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Author Topic: Stephenson engine made of glass  (Read 1390 times)

Offline DamienG

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Stephenson engine made of glass
« on: February 08, 2016, 11:09:03 AM »
Working glass steam engine is as beautiful thing.

https://www.facebook.com/new.invention.technology/videos/676928895777363/

Damien.

Offline NoNuFink

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Re: Stephenson engine made of glass
« Reply #1 on: February 08, 2016, 09:01:30 PM »
Brilliant: 

But being ignorant about steam I have to ask: Where is the exhaust?

I can see how the slide valve admits the steam but I can see no obvious exhaust route.
All I can see is water dripping from the open end of the cylinder - presumably from steam getting past the piston.  The glass support for the slide valve appears to be rod & not tube.

Not intended as any form of critisism (far from it) - just curious.

NNF

Offline Bierjunge

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Re: Stephenson engine made of glass
« Reply #2 on: February 08, 2016, 09:15:02 PM »
Between 1:24 and 1:36, you can see a small oblong orifice on top of the valve chest. That's the exhaust.

Offline NoNuFink

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Re: Stephenson engine made of glass
« Reply #3 on: February 08, 2016, 10:04:00 PM »
Ok - Got it Ta!

NNF

Offline steamboatmodel

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Re: Stephenson engine made of glass
« Reply #4 on: February 09, 2016, 05:17:53 AM »
That is fantastic. I tried making a glass cylinder and piston years back, could not get it right. Ether it was too loses a fit and leaked or the piston sized in the cylinder.
Regards,
Gerald.
Be wary of strong drink. It can make you shoot at tax collectors--and miss. Lazarus Long

 

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