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05/13/2022
posted in Electrical Engineering
by Selk
I understand, time delayed unit with under voltage release in MCCB/ACB is provided to not to trip for short time temporary voltage variations.
Is the...
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05/12/2022
posted in General Discussion
by BillLee
Not sure which forum is the correct one, so here goes ....
I am interested in a mechanism to calculate the number of oxygen atoms in a unit volume of...
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05/10/2022
posted in General Discussion
by Sid_Sidow
Long time no post.....
My son's girlfriend has a car (don't remember make) that has overheated due to loss of coolant. Has been filled a couple times...
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05/08/2022
posted in General Discussion
by SolarEagle
This is a concept car for the future from the past....how many things came true? This is from 1956 talking about 1976, one can only wonder what they w...
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05/07/2022
posted in General Discussion
by HiTekRedNek
I have read where cavitation of bubbles results in extremely high temperatures and pressures when the bubble collapses.I wonder if anyone has tried ca...
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05/06/2022
posted in General Discussion
by dougefresh
I am designing a machine that includes an indexing table. We are replacing an old pneumatic table with a servo-driven indexer. I have a Kaydon slew ri...
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05/04/2022
posted in Mechanical Engineering
by Nigh
Trying to identify the thread on a microscope eyepiece, it has no makers or other marks on it. The outside diameter of the male thread measures 26.7mm...
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05/03/2022
posted in General Discussion
by Doorman
It looks pretty slow here in the halls of CR4. Everyone must be working remotely, that COVID thing I suppose.
Since we’re not too busy I’...
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05/03/2022
posted in General Discussion
by HiTekRedNek
Attics are hot in the summer,when we need the most energy to cool our homes.Would it be economically feasible to use Absorption cooling and/or heat tu...
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04/29/2022
posted in Electrical Engineering
by Anonymous Poster
Hi,
What will happen if a 50 KHz, 15 V suqare wave AC (30 V pk to pk) is applied between the gate and source of an enhancement N-chanel MOSFET?
Than...
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04/26/2022
posted in General Discussion
by Nigh
We have a number of vacuum chambers with pumps etc. below & cylindrical ovens that drop down from above. We load our products into the outer flang...
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Latest News from Engineering360
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News for 05/15/2022
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05/17/2022
posted in Hemmings Motor News Blog
by dstrohl
While we enjoy the occasional build series in which a restorer or fabricator takes a vehicle from utter rust bucket to a complete running and driving...
05/17/2022
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05/16/2022
posted in Hemmings Motor News Blog
by dstrohl
With all the YouTube tutorials you can watch, all the various welding machines with gee-whiz features you can buy, and all the local community college...
05/16/2022
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05/12/2022
posted in Hemmings Motor News Blog
by dstrohl
While perusing online car videos last week, I came across one that touted the attributes of a very nicely preserved 1965 Pontiac Grand Prix. This exam...
05/12/2022
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05/11/2022
posted in Hemmings Motor News Blog
by dstrohl
An all-wheel-drive, hybrid Corvette could hit showrooms as early as next year and an all-electric C8 will follow at an undisclosed date, according to...
05/11/2022
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05/10/2022
posted in Hemmings Motor News Blog
by dstrohl
Just as the Case 30-60 tractor represented a seismic change in agricultural equipment when it was introduced more than 110 years ago (along with the l...
05/10/2022
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05/09/2022
posted in Hemmings Motor News Blog
by dstrohl
When we asked what automotive skills our readers would like to learn, multiple commenters responded with some sort of sheet metal or metal shaping. Th...
05/09/2022
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05/05/2022
posted in Hemmings Motor News Blog
by dstrohl
It's a good bet that nobody reading this doesn't still have some muscle memory of squeezing the trigger of a slot car controller just enough to power...
05/05/2022
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05/04/2022
posted in Hemmings Motor News Blog
by dstrohl
Date: 1982
Location: Brooklyn, New York
Source: Jet Lowe, via Historic American Engineering Record / Library of Congress
What do you see here?
05/04/2022
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05/03/2022
posted in Hemmings Motor News Blog
by dstrohl
The Beatles’ grippingly solemn, masterfully orchestrated “Eleanor Rigby” made its debut on the airwaves in the summer of 1966, anoth...
05/03/2022
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05/02/2022
posted in Hemmings Motor News Blog
by dstrohl
For about a week in my freshman year of high school, I got shuffled into a drafting class while the guidance counselor worked out a snafu with my sche...
05/02/2022
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04/30/2022
posted in Challenge Questions
What are the practical reasons to have concave and beveled bottoms on beer cans? (Okay, so it applies to soda pop cans too.)
The image is of a flat-b...
04/30/2022
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04/28/2022
posted in Hemmings Motor News Blog
by dstrohl
This car shouldn’t even exist. Every Pontiac collector who has encountered it has said so. Yet here it is, with three two-barrels atop its "Extr...
04/28/2022
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04/27/2022
posted in Hemmings Motor News Blog
by dstrohl
The rotary engine has a number of problematic issues. Beyond the fact that its inventor was a Nazi, it's not very fuel efficient, emissions are a gian...
04/27/2022
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04/26/2022
posted in Hemmings Motor News Blog
by dstrohl
One of the many questions I get when discussing my Chenowth electric vehicle (EV) project - and one that recently came up in the comments on a recent...
04/26/2022
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04/25/2022
posted in Hemmings Motor News Blog
by dstrohl
The mid-Fifties weren't much of a boom time for electric vehicles here in the U.S. Gas was cheap, the chrome was thick, and conformity was high. Despi...
04/25/2022
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