Old Enough To Remember?

ST1100Y said:
Yeah... surfaces and volumes of "irregular bodies"... pfffff...

The trade masters course wasn't that much different:
fabricating a part on the lathe
cutting speed and depth are given
so how much are the electricity costs for making like 200 parts...

similar example with a truck mounted concrete pump
varying viscosity and gravel sizes...
like how much time and Diesel required for pumping 26m³ into the 5th floor...

me brain started disengaged when it came to the Prandtl & Nusselt numbers (fluid dynamics, heat transfer, convection, diffusion...)...

Interesting but absolutely mind numbing... 😑
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Part of getting job test for hiring fitter / welders at oil companies and bridge builders. Did not need it after, but they did want to know the depth of your knowledge.
The engineers that drew up the prints knew how to figure it out. Now maybe not so much
 
or 4/3 pie are cubed; I mean... did you ever use it?
[edit] funny though today I spoke in "VARS" for the first time in 35 years; revisiting and explaining my understanding of CSIR two pole single phase motor control through VAC modulation through [Ill get there, Ill get there] a simple resistor within a controller where... amperage grossly exceeds motor nameplate amperage almost until the rotor "catches up" with the field... yeah, but if you don't get it... you don't got it
[edit] somebody wants to know, you have to ask yourself, do you remember
the funny question was, why didn't they just use a VFD? :roflmao-2x:
What's the phrase I'm looking for; youth is wasted on the oh so very young
 
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ST1100Y said:
... well...

632539292_828134606905712_3255398491528010489_n.jpg
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Now, take that mercury into any naval ship and see what happens,
 
ST1100Y said:
Yeah... surfaces and volumes of "irregular bodies"... pfffff...

The trade masters course wasn't that much different:
fabricating a part on the lathe
cutting speed and depth are given
so how much are the electricity costs for making like 200 parts...

similar example with a truck mounted concrete pump
varying viscosity and gravel sizes...
like how much time and Diesel required for pumping 26m³ into the 5th floor...

me brain started disengaged when it came to the Prandtl & Nusselt numbers (fluid dynamics, heat transfer, convection, diffusion...)...

Interesting but absolutely mind numbing... 😑
Click to expand...
So what killed the mouse on the cart the brick wall or the guitillene?
 
motornut said:
Now, take that mercury into any naval ship and see what happens,
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Many years ago, I was assigned to an Auxiliary Repair ship ( USS Hector AR-7) and we had a job to replace the fluid used in a gyroscope (Mark 11, Mod 6). The fluid used was mercury, and we needed 2 Lbs. I ordered it, and found to my surprise we had it in stock. I went to supply to get it, they brought me to a supply cage containing a cabinet with a bunch of drawers. Opened the drawers, there it was. Each pound was in a small jar. Not stored in a Hazmat area, no warnings posted about the major problem if there was a fire in there.

That all changed when I reported the issue with improper storage. There was a sign on the quarterdeck that notified anyone coming aboard that the ship was a "Mercury Exclusion Area" too. <sigh>
 
ST1100Y said:
... well...

632539292_828134606905712_3255398491528010489_n.jpg

not entirely true, but while getting an ear full mom seemed indeed to be more worried about the glass shards then any mercury vapor... ;)
So out came the vacuum, all cleaned up, dust-bag in the trash...
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My 7th or 8th grade science teacher passed a blob of mercury around the class. Wasn’t much left by the time it got to me.
 
ST1100Y said:
... if it was still attached, you just kept working…

638104279_1542749441189808_2046771231501944402_n.jpg

(I still reckon the old tar-impregnated cotton fabric tapes with rubber adhesive, the cut healed almost over night...)
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I think you are talking about what we in the US called "friction tape". I saw a lot of it in the wiring of very old houses.
 
How about getting to go to the local Matchbox store, rows and rows of tiny vehicles, when each one came in a real wooden matchbox case! I wish I still had those with stricker sides and all!
My mom would take me every once in a while and I will never forget the magic in that place,
and now the rarity that you would never think.
Kinda the same thing with dreaming at the Scwinn store in later years of that lime green stick shift stingray but Mom got the logical 26 in huffy with wide bars and well, always wanted a stingray!!
 
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Ndfrc said:
How about getting to go to the local Matchbox store, rows and rows of tiny vehicles, when each one came in a real wooden matchbox case! I wish I still had those with stricker sides and all!
My mom would take me every once in a while and I will never forget the magic in that place,
and now the rarity that you would never think.
Kinda the same thing with dreaming at the Scwinn store in later years of that lime green stick shift stingray but Mom got the logical 26 in huffy with wide bars and well, always wanted a stingray!!
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Yes I remember. Didn’t have a specialty store but the local Boston Store had a great display. Could ride my bike there. $.52 with tax. Remember getting the ambulance with the separate stretcher in it. The Schwinn Sting Ray was bomb or as we call it “Boss”. My friend had one. I got the Treasure Island special one speed. 😂
 
When I was about six years old my mother said she wanted to take me somewhere. We got in the car and she drove me to the toy store. I did not understand what was going on as it wasn't my birthday or any particular special day. We went into the store where she asked me to pickout a wagon. She told me every boy needs a wagon. We loaded it up and took it home. I got a lot of use out of that wagon. It's amazing what a kid with some imagination can find to do with one.

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Bilko
Abrams
Sanders
Carter
You're too old if you remember these names, too young if you never heard of them! (hint: they are ranked accordingly)
 
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