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Engineering : Recent Questions and Answers (Page 9)

Find answers to your questions about Engineering or help others by answering their Engineering questions.

In the 1980s, did radio reporters actually carry around a clunky antenna contraption on their backs to communicate with their radio station's HQs?

I've been wondering about this ever since I saw this comedy TV show as a kid called Macken ("The car repair shop" in Swedish). Originally aired 1986 in Sweden, it...

Asked on 08/31/2021 by Maximili Tyrone

2 answer

Galvanic compatibility with mild steel

Let me just get this out of the way: this is a total newbie question. But I appreciate any advice I can get! I'm rebuilding / retrofitting a wood-and-steel...

Asked on 08/31/2021 by Eric Anderson

1 answer

Can a riverboat tack upriver?

Note: This question originally appeared on the Physics site (see here) and was closed for being off-topic. Whoops! If ships at sea can tack in a zigzaggy pattern by...

Asked on 08/31/2021

5 answer

Choice of Datum Features and Number of Datum Features

Consider a rectangular stock section with a dowel hole and other features of size (FOS) on it. The dowel hole serves to locate the entire part. Should my choice of...

Asked on 08/31/2021 by Bawb

1 answer

Questions about newton metre units

I have a few values in Newton metres and I need to make sure each value is an SI unit for calculations. However when I try to search for the...

Asked on 08/31/2021 by MendelumS

2 answer

Runnung a motor continuously

I have a blower motor which runs on 12v with 25min running 5min rest rating. I want to run it at 5v-1amp (significantly lower speed) for at-least 14hour continuously. Will...

Asked on 08/31/2021 by Tweeker

1 answer

If you have a small fan that blows hot air, and a larger fan that blows cold air against it, what happens to the hot air?

For context, I have a laptop that has a fan that sucks in cold air from the top on the left side (for cooling the cpu), and a fan that...

Asked on 08/31/2021 by just_chilling

1 answer

What is the purpose of end plates when connecting beams together?

Quite often this kind of arrangement can be seen when beams are connected together. A rectangular plate is welded into a...

Asked on 08/31/2021

2 answer

Could Tesla have REALLY shaken a building with a little oscillator?

I came across this story while reading about Nikola Tesla ground-power scheme. Supposedly, he created a little oscillator that could be plugged into the ground, tuned to...

Asked on 08/31/2021 by Palbitt

1 answer

Why aren't driving roads also illuminated from the ground up, like airport runway lights?

Compared to its Mar 2016 article, the Nov 29 2018 article by the Insurance Institute for...

Asked on 08/31/2021

2 answer

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