Recent content by k.udhay

This is a bit confusing to me. If you tighten by X deg for both the proposals A and B, IMO B will be the better case. B has smaller shank length which means it has higher stiffness. For same angular rotation of the bolt, the one with more stiffness (which is B) will create more preload on the...

Thanks. What do you think on the clamping load between the two plates when the bolts in two conditions were given same tightening torque?

To me it really doesn't make difference. Let me think it out loud: Longer shank (=unthreaded area in the bolt) is less stiff For a given torque this can thus stretch more Shorter shank is stiffer For the same torque this will stretch less But in either case, the preload between the male and...

Hello all, In a recent discussion, I came across this question of influence of free length (or unthreaded length) in bolts in retaining the clamping force between the elements to be joined. Out of the two proposals in the attached pic., which one will keep the two plates clamped for a longer...

Thanks for your answer. It is a mehcanical problem and hence I would not get into the atomic level. My answer (I think) was this: X CCW 1 CW 1 Until the gap in the groove is closed + 1 Acc. to stiffness of leaf spring - 1 Acc. to stiffness of leaf spring Y CCW 1 Acc...

I was asked by an interviewer the number of degrees of freedom (in both translation and rotational senses) this part has with respect to each axis. Indeed I can share what I think of here, but I want to start it fresh and correct. If you were the interviewee, what would have been your answer and...

Hi Baluncore, I also just did a small plot using a website called "desmos" and found the understanding to be correct: Thank you!

Thank you!

Hi @Baluncore - Thanks for your explanation. Do you know a website where this is shown with some pictures?

Hi, For years I wanted to understand why we have a 3 phase supply and not a 2 phase supply in AC. In Quora I found an interesting answer and was convinced about the purpose mentioned: Answer to Why there is no two phase electrical inputs instead of three phase and single phase? by Paul...

@DaveE - In the mean time I also found this page which is very similar to that of the video in OP: https://www.wikihow.com/Build-a-Motor The potential different step (perhaps) is to coat one side of the wire using permanent marker: May be the permanent marker ink acts as a thin but effective...

Thank you all for your answers! Particularly DaveE for a detailed discussion and observations based on experimentation. I also plan to do this and will share my findings after.

I am a mechanical engineer and my experience with electrical systems is almost nil. The concept of a simple DC motor explained here was quite interesting, especially the need of a commutator part: And then I checked this DIY simple DC motor here and was confused because there was no...

So my proposal is theoretically correct, but practically difficult. Perfect thanks!

When I was reading this page to understand Archimedes' 'story' I got a question: http://hyperphysics.phy-astr.gsu.edu/hbase/pbuoy.html#buoy According to the example shown, Archimedes found the density of crown by finding the apparent weight. What if he had just measured the volume of water...