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Engineering : Recent Questions and Answers (Page 57)

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

How high will a flywheel catapult launch a payload?

First off, this is not a homework question or anything like that. I'm trying to build a catapult to launch a payload using a flywheel as an energy device! It...

Asked on 02/22/2021 by thisissparzo

2 answer

How can deflection and spring constant of cantilever beam stack be calculated?

How can I calculate some properties of a stack of 2 bonded cantilever beams like in the image? Especially I am interested in the spring constant and deflection with force...

Asked on 02/21/2021 by Reactionic

3 answer

How do trolleybus switches work?

The switches are so high it's not possible to see how they function on the ground. I really tried to look up information about this on the internet, but there's...

Asked on 02/20/2021

4 answer

Diametrically magnetised ring magnet, opposite poles on the inside?

I am wondering about the magnetic field on the inside of hollow magnets. As an example, will use a ring magnet. In a diametrically magnetised ring magnet, does the magnet...

Asked on 02/20/2021 by StatQ

1 answer

Why Stirling engine not used as primary source to operate generator in thermal power plants?

I did some research and found out that in order to generate that amount of electricity( consider about 100MW) the size of the Stirling engine will be very big as...

Asked on 02/20/2021

1 answer

Is it possible to build an efficient Electric Vehicle engine with minimal to no computing control systems?

First of all, I am neither an electronic nor a mechanical engineer, so if some of what I say sounds ignorant, that's most likely because it is. I have been...

Asked on 02/19/2021 by oiclid

2 answer

How to machine a metal shaft that cannot be turned on a lathe

On a lawn mower there is a non-removeable metal shaft on which a pulley stack sits. The problem is that worn out bushings caused the shaft to wear in two...

Asked on 02/19/2021 by user11449

1 answer

What if ammonia is used as a refrigerant for a refrigerator?

I have a refrigerator whose compressor configuration is: power- 10hp compression ratio- 10:1 I do not have expertise in this field, but I am curious if I use ammonia as...

Asked on 02/19/2021

0 answer

Is there a concept of gain and phase margin for a strictly open-loop transfer function?

I'm new to control systems, and I'm attempting to analyze the stability of an open-loop transfer function. I know that by checking the locations of the poles (and ensuring all...

Asked on 02/18/2021 by jgholder

1 answer

Evaluate "damping" of higher-order transfer function - something similar to settling time without the discontinuities

I have an 11th order transfer function in the continuous domain (simplified linearized model of a grid-forming converter) and I'm looking for a way to characterize it with a single...

Asked on 02/18/2021 by Workoft

1 answer

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