Ralph Steiner - Mechanical Principles
Posted: Thu Jun 27, 2013 2:06 am
This almost a century old but should be obligatory viewing for all tinkerers, fantastic stuff!
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Posted: Thu Jun 27, 2013 11:01 am
I suppose it's a (steam) engine? How do they seal these DCVs ?
?Posted: Thu Jun 27, 2013 1:12 pm
damn, I love vintage technology 
I think they either lapped or honed the sealing face, and many machines don't need a 100% seal on valves.
I think they either lapped or honed the sealing face, and many machines don't need a 100% seal on valves.
Posted: Fri Jun 28, 2013 12:34 am
Labtecpower wrote:damn, I love vintage technology
The good old daysI think they either lapped or honed the sealing face, and many machines don't need a 100% seal on valves.
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Not an o-ring in sight.
The top youtube comment is priceless
