Yet another MOT thread

[Bob Engelhardt]

I like it. Do you have a link for them?...

[Bob Engelhardt]

I use lye for anything that can be submerged in a gallon or 2. It's much cheaper than strippers - $5 or so for a lb that makes a gallon. Clean up with...

[Bob Engelhardt]

That immediately raises 2 questions in my mind: how could it possibly cost so much to make, that they need to charge that much? And how could they sell...

[Bob Engelhardt]

Using the motor's weight to provide tension is just a bad idea.You always get the pulley climbing up the belt and falling back down.

Before...

[Bob Engelhardt]

I mean why does it have to move? First I thought it had to move so the carriage could have full travel, but then it has to be there when the part is...

[Bob Engelhardt]

You're right, sorry. "MOT" is not common here. It's been used in a number of threads, but not that much. Not like in some of the electronics...

[Bob Engelhardt]

Microwave Oven Transformer

I recently found this page that has some really good MOT info. Not just hand waving, but data/numbers & graphs...

[Bob Engelhardt]

Wow - that is really nice, really impressive!



How does that work? Why does it need to be dynamic?


...

[Bob Engelhardt]

Oh, now wait a minute! You said "My machine shop is an annex off my design office, and measures 7 foot x 8 foot." That gets you a lot of sympathy...

[Bob Engelhardt]

1/4" is plenty, even 1/4-20 will give you 5 threads. #10-32 is overkill. The forces on the screws are negligible....

[Bob Engelhardt]

Wow - one can unsnap the case, open it, and unsnap the individual strap to get an item or one can open a drawer. I can't imagine a vinyl case having...

[Bob Engelhardt]

You think? Man, there's a whole bunch a' guys with storage envy. 'Course you do now have the problem of: "I know I have [whatever], but where are...

[Bob Engelhardt]

Ummm .... how can you be so sure that you left it there? This happens quite a bit and one can't easily dismiss the possibility that this stuff is playing...

[Bob Engelhardt]

Has anybody used wheels like these:
https://www.amazon.com/gp/product/B0...RSD2GT4N&psc=1
...

[Bob Engelhardt]

Years ago I bought this Milwaukee metal-cutting saw because it was the lightest weight that I could find:
https://www.milwaukeetool.com/Product...

[Bob Engelhardt]

Our DIL knitted pot holders for friends & family. Pretty ordinary, even boring:


But seen in the right light .

....

[Bob Engelhardt]

Thanks - good reference. The graph:



I assume that the zeroth harmonic is the DC and the 2nd is 240Hz. From the text, "magnitude"...

[Bob Engelhardt]

Interesting - can you do a spectrum analysis of Vout?...

[Bob Engelhardt]

Yeah but this is a BBS (Bugger-all Bull Sh*t) and need to know doesn't come into it....

[Bob Engelhardt]

Indeed it is annoying! To change the angle on my compound, I have to blow out chips from the SHCS and every time I think "Why did they do it this...