Latest threads in ⏣ General Metalworkingshow only best voted threads
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Industrial Air Machine Compressor problem
Hello All, I have an Industrial Air Machine unit that is beginning to fail. It is taking about five times as long to recover as it did just a few weeks ago. The specifications are: 5 HP 230V 200 PSI 2...
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15 years ago
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Clear coating for metal outside Mil-C-85054
Has anyone had any experience with Mil-C-85054? It is a clear coating similar to varnish in that it drys as a hard coating. It takes a long time to dry. The idea being that it allows water and salt to...
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15 years ago
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Stirling engines
Hi all, I have updated my posting on the metalworking dropbox. Much better pictures, and a few changes to the txt file. Look up "ENGINE00.txt & thru Hope you like it! 73's Bill N4ZZO
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15 years ago
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Pneumatic rotary actuator update
I tracked down pneumatic rotary actuators that have the rack gear built in and other niceties like cushions and stops. Thanks for the pointers! I talked to a couple of manufacturers and they balked at
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15 years ago
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049 test stand dont's
Got a Cox reed valve 049 engine going today, with a Davis head. For a motor stand I'm using a Tatone stand with a piece of 1/8" angle iron on which the engine is bolted. Don't do this, unless you want...
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15 years ago
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Haven't seen you for a long time on RCM
I trust you're doing well. regards, -jim
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15 years ago
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acetylene or carbon producing gas question
I know this use is unconventional and maybe not too relevant to metalwork, hopefully that doesn't piss anyone off. I want to apply soot deposits to glass in a swirl pattern. I've used pure acetylene...
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15 years ago
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Bought a clausing 13x36 lathe today
Followup to my earlier question to the newsgroup about lathe rust etc Stopped by the seller today. That Clausing Colchester lathe that I was asking about, I think looks worse on photos: it is actually...
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15 years ago
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Pressure vessels - A basic history since 1870
Abbotts & Co. has been building pressure vessels since it began back in 1870. It began by making boilers for the British admiralty, and continues today manufacturing a diverse range of vessels for a...
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15 years ago
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Is this lathe a good restoration candidate?
Someone wants to sell it, supposedly a 12x48 Clausing. Looks a little too rusted to my taste. anyone ever restored lathes in similar condition, how much time did it take?
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15 years ago
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Interesting homemade compressor
Goes kind of further than one might think.
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15 years ago
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$200 For Expert Electroplater Advice
Hey there, I am looking to spend an hour on the phone with an expert electroplater who is very knowledgeable about small scale (do it yourself) electroplating. See for reference. Particularly copper,...
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15 years ago
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Which screws for this project?
Note: In order to avoid wasting your time, please be advised that welding is not currently an option here. Thanks for your understanding. I like these skates a lot, planning to make slight variations....
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15 years ago
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Principles of Direct Current Machines (1923)
Principles of Direct Current Machines (1923) By Alexander Langsdorf Additional information and photos of this book are available on this page: Description: McGraw Hill, New York, 1923. Hard Cover....
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15 years ago
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Looking for drilling jig ideas
I've been trying various things over the last few years and I'm just curious if there's any engineering geniuses out there that have a better way to do this... I drill thousands of holes in 1" and...
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15 years ago
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