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I have many M2 flush-mount, counter-sunk hex screws ordered from a variety of sources, including McMaster Carr, Ebay, etc. The Wiha 263 1.5x50 screwdriver I have does not drive any...
Asked on 09/02/2021 by Jeremy Gilbert
3 answerI am looking to purchase a fan with high velocity. I am trying to make solid data driven decision based on specs.I found that most fan's of the 20"...
Asked on 09/01/2021 by J.Rem
1 answerESD from human affects electronics. Why it does not affect the pacemaker? Is it beacuse it is much below the surface?...
Asked on 09/01/2021 by edsxcd
1 answerAssume two vertical pistons with their flat head facing upward. Is it possible to couple them to one rotating shaft in a way that the position vs. time diagram gets...
Asked on 09/01/2021 by AHB
1 answerI'm looking to use an epoxy in a high-temp environment like 800C, and one that is optically transparent at 450nm (not below 90% transmission). But i'm having trouble finding one....
Asked on 09/01/2021
1 answerI've often heard stress acts at a point and not on an entire cross-sectional area to which the load is applied normally.Im a little confused here, Let us consider...
Asked on 09/01/2021 by Somanna
2 answerMy mother was born 1950. Me in the mid-1980s. All my life, she's been saying that I must never stick a metal object, such as a knife, into the toaster,...
Asked on 09/01/2021 by Anupam Strane
13 answerI'm building a ducted fan and I would like it to:have a uniform airflow at the outputhave good static pressurehave a square section output (see figure: air enters the circular...
Asked on 09/01/2021
1 answerAbove is a chart from a Eurocode handbook. It gives a correct buckling curve depending on cross section and its...
Asked on 09/01/2021
3 answerI have a theoretical question about harmonics and DC. Given I have a circuit which has a power supply providing an AC input(230Vrms @ 50Hz), this then goes into a...
Asked on 09/01/2021 by Thomas Morris
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