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Engineering : Recent Questions and Answers (Page 70)

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

How can I calculate the power and torque required for the motor on a wheeled robot/vehicle?

How can I calculate the power and torque required for the motor on a wheeled robot or vehicle if a particular acceleration or movement up an incline is required?...

Asked on 12/31/2020 by DKNguyen

1 answer

Do I use alternating, mean or max/min stresses for Miner's rule?

I am trying to work out fatigue life of a part using Miner's rule, however I am having some trouble working out which stress values to use. I have seen...

Asked on 12/30/2020 by david_10001

1 answer

FreeCAD - Scale object from command line

I want to be able to scale an object from the command line. Using the GUI i go and load the STEP file, and select "Draft Workbench". This is the...

Asked on 12/30/2020

0 answer

How to mount a rod (rotating)?

I want a rod to freely rotate 360°, it stands vertically and the rod is gonna carry some construction below it.The rod should be fixated to the e.g. the...

Asked on 12/29/2020 by Nono Bonono

2 answer

Calculate Rolling Resistance Experimentally

I am trying to calculate the exact rolling resistance ($F_{rr}$) of my car. The approach I am going with is a coastdown test at a low speed so no...

Asked on 12/29/2020 by ttg

1 answer

Can a magnetic lock be negated or overcome by a stronger electromagnet?

Magnetic locks seem to be fairly common on the doors of modern buildings, but I question their reliability when compared to a traditional, mechanical lock. I realize that the strength...

Asked on 12/28/2020 by Taylor Lopez

3 answer

mechanics of materials Mohr

I want to know what is the meaning of dσ/du in this solution? ...

Asked on 12/28/2020

1 answer

18' header beam installation for single story room addition

Im expanding my 28' wide single story composite shingle home. I want to come out perpendicular off 1 plane of the roof to expand master bedroom, and then...

Asked on 12/27/2020 by Jay Thompson

1 answer

What is the steel used for CHC DIN912 class 12.9 exagonal bolt?

I would like to know which steel is used for CHC class 12.9 bolt DIN912 (i am looking for the young modulous & poisson ratio of the material). Thanks a...

Asked on 12/27/2020 by rdpdo

1 answer

Adjusting root locus to get a stable system from unstable system

Most of the books that I referred to, used compensators to improve transient performances of a stable system using root locus and compensator design. I got a system which is...

Asked on 12/27/2020 by Aniket Sharma

1 answer

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