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Thank you for all the great replies! Designing their own thing, then building it, could make a good "round 2" if we survive the first round, so thanks for that one Janger. Disassembling a small motor is also a really good idea, Susquatch. I did the same in grade 11 high school, and since then...

Hi, Maybe the members have done something like this, or have some ideas / warnings I should think about. I've been asked to prepare a class for my fellow engineering staff members. None of them have any mechanical experience but they have university degrees of various levels. Let's ignore the...

Ummm... by using the process pioneered by James Dewar, as mentioned earlier... KK just ribbing ya For metal cryo treatment I think you need to dwell for some hours, so a quick shot from a fire extinguisher won't cut it. You could start by talking to either Praxair or Air Liquide. They can tell...

This might sound a little off the wall, but I noticed that you mentioned cryo treatment, and understandably, that can be expensive to set-up. However, I have learned that large-animal veterinarians (cows horses etc.) have large Dewar flasks that they keep filled with nitrogen. From time to...

Hi Susquatch, I was sort-of pulling your leg. I actually know what you mean. I've been in several spins myself. Each time - the only way I can describe it is my own brain's internal gyros tumbled, and stayed tumbled for a while after. I love flying, too, but could not maintain orientation...

@Susquatch, Why didn't you get an Ercoupe?

That would be great if your lines are copper. I think you also want to wrap them in an insulated jacket, and do it neatly with a sealed wrap around it. Making sure the insulation won't have any disagreement with the temperature of the heat-tape, of course. If you aren't working with copper...

You can make a demagnetizer. All standard precautions about handling electricity apply. You take the transformer out of a dead microwave, saw the end off, slide out the secondary coil. At this point you discard the secondary coil - you don't want to play around with the 5kV that comes out of...

I don't have an EV (Yet!) but I do keep track of their capabilities. The Norwegians seem to enjoy test-driving EV's. Here are two articles that may interest you: 2020: https://insideevs.com/news/404632/winter-range-test-best-evs-cold-weather/ 2018...

Thank you everyone for the feedback. The "Power-Twist" is the recommended replacement in the Grizzly lathe owner's manual, otherwise I would have asked about link-belts in general. The question about reversing is a good one. It didn't occur to me until now that link-belts have a forward bias. I...