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Thread: What did you learn today?
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18th Apr 2013, 12:04 AM #151Most Valued Member
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18th Apr 2013, 12:23 PM #152Most Valued Member
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18th Apr 2013, 12:36 PM #153
I can remember carbide gas generators, no bigger than the normal tradies gas bottle, used with an oxy bottle for welding.
Also the old miners carbide lamp.
RegardsHugh
Enough is enough, more than enough is too much.
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18th Apr 2013, 02:59 PM #154Most Valued Member
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this is interesting
30 Aug 1945 - HOME-MADE GAS GENERATOR Another Type for Acetyle...
bollie7
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18th Apr 2013, 08:05 PM #155Golden Member
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When I started working in a North Queensland sugar mill in the early fifties all the oxy sets in the mill were equipped with acetylene generators, and used a special blow pipe which was suitable for the low pressure acetylene produced. I never got to use one of these, so don't really know much about the details. From memory they were a bit bigger than a modern large acetylene cylinder. I came across one in a museum recently - nobody knew what it was!
We also used rather crude open flame carbide lights when it was necessary to work outside at night.
Frank.
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20th Apr 2013, 07:34 PM #156Philomath in training
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I discovered that it's a good idea to check plans and drawings made a while back as age does not make them mistake free...
I've been wanting to make up some sector fingers for my rotary table and came up with a plan of attack a while back. Today I finally got to using the plan and discovered that I'd assumed the fingers were mirror image but really they are the same part just turned around. Shame really as the rest of the plan worked really well.
Michael
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20th Apr 2013, 09:32 PM #157Dave J Guest
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2nd May 2013, 03:19 PM #158
About an hour ago I learned not to pressurize an oil/diesel mix with clamp on fittings
The shed is covered and stinks, I was covered and still stink 2 showers later
MattWarning Disclaimer
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2nd May 2013, 03:26 PM #159Most Valued Member
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2nd May 2013, 07:01 PM #160Most Valued Member
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2nd May 2013, 07:11 PM #161Most Valued Member
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One oversight I will never forget was when I was cropping (ripping paddocks) one pitch black night, and stopped to fill up the Zetor tractor from some 44's on the back of the ute.
Pumping from the drums like crazy in the dark to beat the weather and all of a sudden I heard this almighty "whooommmffff". Jeezus, what the hell was that ?
Got the torch to investigate and the 44 was crushed like a coke can to about half it's size.
Last time I forget to take the vent bung out of the drum
Bro in law wasn't too impressed I'd buggered up his 44.
Amazing the force of atmospheric pressure.
Rob
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4th May 2013, 12:27 PM #162New Member
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That's the best laugh I've had in years.
Just found this thread. Normally hang out in the woodies section.
I'm a toolmaker and can just picture some of these things happening.
Cheers
Andrew
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8th May 2013, 01:06 PM #163Most Valued Member
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I learnt, or at least was reminded, to double and then tripple check engineering drawings as I'm machining. I was just finishing up a run of small cylinders, they were turned to size, reamed, and I was just bringing a flange to length as the last operation. I thought the flange looked a bit thin. Yes I was out by a millimeter, I thought the drawing was 2 mm and it was actually 3 mm
Start again
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8th May 2013, 02:21 PM #164Most Valued Member
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8th May 2013, 02:39 PM #165Most Valued Member
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ha ha. The machining equivalent of talking out one's clacker; as long as it's said with a confident tone people will believe it. A little like when I used to do the long flights to the US. I'd sometimes emerge from the bunk to be asked by one of the Americans sitting nearby "What's in there?". I'd reply with a deadpan look on my face "Oh that's the engine room". There was typically a look of confusion on their face, a pause, and then "O .. oh ... ohhh, ow kay. Okay.", amongst increasing nodding of their head as they looked at my still expressionless face and convinced themselves that it must be true. Ah American's, gotta love 'em!