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Most of the industrial electronics that I have seen is rated at 40°C. Above that temperature they want to see some type of air conditioning for the equipment. It doesn't mean it won't work above that temperature, but it does mean that you are shortening the useful life of the equipment. Where...

Krypto, were you trying for a simple method or, as I suspect, just demonstrating another way to skin the cat? Don

What are you using for tires on this beast? That one looks like it needs a little air, or maybe a foam insert? Don

Steve: Any updates on your tow truck wannabee model? Don

I think we've probably been watching some of the same videos, but they both work. The HCL works faster usually within hours, while the vinegar will take at least overnight, maybe days to work. The vinegar will leave the scale as a grayish-black film that will need some scotch-brite and elbow...

When I went to the BeckerCAD site, I kept thinking "This sounds too good to be true - what's the catch?" There's not a lot of details that I could find on the site, what files it will import, what files it will it export, more info about its' features and functions. There's lots of visual...

Foketry: It looks like you got some U-joints that were designed for electric motors in boats/cars. If you look for dog-bone u-joints for nitro boat motors you might be able to save yourself some design headaches. They might be too big for your application though. Don

MangoJelly is another good source for FreeCAD tutorials - not too much extraneous BS. I still fall back on Designspark when I get frustrated with FreeCAD - which is most of the time. I've got FreeCAD installed on 2 machines and I STILL haven't figured out what I did to the navigation cube on...

There is a written FreeCAD manual. FreeCAD manual I haven't tried using the manual yet, because I just found it. But I do agree that the learning curve is VERY close to vertical, probably even WITH the manual. Don

MangoJelly Solutions' tutorials are usually pretty good. Mango Jelly The ARE about 20-30 minutes long, but there's usually not TOO much extraneous BS in them. (Of course these tutorials do you absolutely NO good if you don't have sound on your desktop.) There are a couple of other people that...

At the risk of sounding stupid... I forgot this was NOT a model of a real live full sized car, and that it was actually a model of a model of a full sized car. My bad, Don

ajoeiam: Google "FreeCAD manual". This is an online manual. It's my understanding that this is a work in progress, so it gets updated and/or added to whenever somebody takes the time to do it. If you root around a little bit on their Wiki page it says that they have an ebook version and a...

You've got the 3D model for the fenders, with a little adaptation you could print the dies to press actual brass fenders. I've seen 3D printed parts used as dies for limited runs of steel parts too. Just a thought, Don

My D6 clone had a 50 cent 10A relay controlling the 24V power circuit, that would see over a 12A load whenever just the extruder and bed heaters were both on. These relays regularly failed. The OEM's solution was to show you how to bypass this relay, which eliminated the software safeties for...

Brian: Pretty much agree with all of the above. If you are dead-set on a book of some type then visit you local community college/trade school that offers welding classes. See what they use for books and buy what they recommend. They might even have some used books you could get. "Welding...

A couple of years ago I was in the market for a Cub Cadet, the International Harvester version - not the cheap imitation. I found one for a reasonable price less than an hour away from me on FB Marketplace. Up to this time I had avoided FB like the plague. So I joined up in order to be able...

On groups.io there's a Unimat group. There's a Unimat group, and a Unimat3 group if you are lucky enough to possess one. In the files section of that group you'll find a LOT of legal PDF Unimat books. You'll have to join the group to get access to the files section, but I think that's...

On YouTube there's a guy that built an electric brake dyno for his 50cc "racing moped", now THERE's an oxymoron. I can't find the link now, and I'm not sure if it would be any help to you or not. But this guy is making his parts in his home machine shop. Casting cylinders and heads, whatever...

George: Thanks for the files. I got to looking at the visible 289 kit again. It's 1/3 scale so I'm going to have to try scaling up some of the parts using my slicer and see how they work with that kit. Some of the parts that come with that visible 289 kit leave a LOT to be desired, your...

I think both the Raysin and the Keraflott are both molding plasters, and not really formulated for burnout. I checked with both manufacturers to see if they had any U.S. distributors - no luck. When I get things set up, I think I'm going to try experimenting using Foketry's...