Les L Posted December 28, 2021 Share Posted December 28, 2021 Twisted, No offense, but I will not give advice out on a World Wide Web site on how to do this, there is a lot of information on how to do it on the “web”, and on this site that you can research and make your decision on how to proceed. I have worked in the natural gas industry for 37 yrs. as a welder working on live gas lines daily, and use my training at my own expense, along with the proper tools to ensure that I’m not working on an explosive atmosphere to keep me safe. Can it be performed safely, yes, but only when proper procedures are followed. You can PM me with questions and I will provide you with some advice Quote Link to comment Share on other sites More sharing options...
Irondragon Forge ClayWorks Posted December 28, 2021 Share Posted December 28, 2021 I've made a couple BBQs out of old well water pressure tanks. No pictures because I gave them to friends. Here is a picture when I cut one apart. Quote Link to comment Share on other sites More sharing options...
JHCC Posted December 28, 2021 Share Posted December 28, 2021 3 hours ago, John McPherson said: I don't know why you should be surprised Basically because the number I had in my head was from my initial purchase of the cylinder, not from refilling it. Quote Link to comment Share on other sites More sharing options...
TWISTEDWILLOW Posted December 28, 2021 Share Posted December 28, 2021 2 hours ago, Les L said: Twisted, No offense, None taken, I understand your reasoning, I have an a pretty regular supply of air compressor tanks to salvage and I don’t really have a desire to mess with propane tanks myself, you had just perked my interest when you said clean them out, Quote Link to comment Share on other sites More sharing options...
Les L Posted December 29, 2021 Share Posted December 29, 2021 Understood, I’m willing to work one on one with someone to ensure that they follow proper procedures, when they may be exposed to an explosive atmosphere to ensure their safety, but I won’t publish it because I’ve found that a lot of people have trouble reading directions and then following them properly Quote Link to comment Share on other sites More sharing options...
TWISTEDWILLOW Posted December 29, 2021 Share Posted December 29, 2021 Lol, surely not? I had a hard time teaching an individual awhile back they need to put the oil plug back in the engine after draining the oil or the new oil will drain out to… (he don’t work for me no more) I hope he found another job better suited to his ability’s… That being said im sure nothing bad could possibly happen? if you publicly posted a how too on cutting possibly flammable and explosive material, and that same individual joined here an read your how too and attempted it himself? Quote Link to comment Share on other sites More sharing options...
ThomasPowers Posted December 29, 2021 Share Posted December 29, 2021 Even if you win the suit you still have to pay your lawyer! You can sometimes find tank ends already cut off at the scrapyard: (beer can for size, 400#) Quote Link to comment Share on other sites More sharing options...
TWISTEDWILLOW Posted December 29, 2021 Share Posted December 29, 2021 Good lord Thomas! that’s for a PERMANENT fire pit! you wouldn’t wanna move that around the yard very often lol Quote Link to comment Share on other sites More sharing options...
JHCC Posted December 29, 2021 Share Posted December 29, 2021 Nice little Variac autotransformer from the industrial surplus place. Quote Link to comment Share on other sites More sharing options...
TWISTEDWILLOW Posted December 30, 2021 Share Posted December 30, 2021 JHCC, is that thing like a rheostat? Quote Link to comment Share on other sites More sharing options...
ThomasPowers Posted December 30, 2021 Share Posted December 30, 2021 Except it's for AC and is more of an adjustable transformer rather than an adjustable resistor. Quote Link to comment Share on other sites More sharing options...
JHCC Posted December 30, 2021 Share Posted December 30, 2021 In other words, you can use it to control the speed of a universal motor (router, angle grinder, drill, etc) but not an induction motor (grinder, bandsaw, etc). I have another that I’ve been using to control the speed of my coal forge’s blower, which is made from an old vacuum cleaner. This one was such a good price, I nabbed it on general principles. Quote Link to comment Share on other sites More sharing options...
TWISTEDWILLOW Posted December 30, 2021 Share Posted December 30, 2021 Sorry for the stupid questions, Ive never heard of one, I thought ac motors burned up if you tried to adjust the speed but now that y’all mention it I guess it makes sense, because you can speed up an slow down a power drill with the trigger an they don’t burn up, I’m assuming that a regular old fan or drill press motor is induction? So I couldn’t hook it to one of those to slow it down for a belt driven blower? Quote Link to comment Share on other sites More sharing options...
JHCC Posted December 30, 2021 Share Posted December 30, 2021 That’s correct. Quote Link to comment Share on other sites More sharing options...
TWISTEDWILLOW Posted December 30, 2021 Share Posted December 30, 2021 That’s a bummer, I’ve got several good motors tucked around the shop but the stuff I’d like to run blowers and a big flat belt grinder need something that runs slower Quote Link to comment Share on other sites More sharing options...
Torin Posted December 30, 2021 Share Posted December 30, 2021 5 minutes ago, TWISTEDWILLOW said: That’s a bummer, I’ve got several good motors tucked around the shop but the stuff I’d like to run blowers and a big flat belt grinder need something that runs slower I use VFDs to control the motors for my belt grinder, knee mill, and CNC router spindle. Quote Link to comment Share on other sites More sharing options...
TWISTEDWILLOW Posted December 30, 2021 Share Posted December 30, 2021 Can those be used with just a regular motor? Quote Link to comment Share on other sites More sharing options...
JHCC Posted December 30, 2021 Share Posted December 30, 2021 Short answer: No. Longer answer: No; for more details, see THIS COMMENT. Quote Link to comment Share on other sites More sharing options...
TWISTEDWILLOW Posted December 30, 2021 Share Posted December 30, 2021 Thanks for sharing that JHCC! well I guess I won’t bother looking for one of those either, I’ll just keep on the lookout for a Dc motor that sounds like it would be my best bet, Quote Link to comment Share on other sites More sharing options...
JHCC Posted December 30, 2021 Share Posted December 30, 2021 You’re welcome. In the meantime, a couple of chisels and a nice old sheet metal/wire gauge tester followed me home from the junk shop: Quote Link to comment Share on other sites More sharing options...
Leather Bill Posted December 31, 2021 Share Posted December 31, 2021 Have you considered step-down pulleys to slow down motor speed? Look at a multi speed drill press for a good system that can easily give you multiple,interchangable speeds. If a single speed will serve your sander or blower requirment,take a look at THIS calculator. For example using a 3"pulley on that 3450 RPM air compressor motor above and a 7" pulley on your sander will turn sander 1500 rpm. Quote Link to comment Share on other sites More sharing options...
TWISTEDWILLOW Posted December 31, 2021 Share Posted December 31, 2021 Thanks Leather Bill, yes I’ve thought about building a jack shaft setup and playing around with some different pulleys to slow it down, it’s not an emergency I have hand crank blowers I use an grinders I just thought it be cool to get these up an running again sometime Quote Link to comment Share on other sites More sharing options...
JHCC Posted December 31, 2021 Share Posted December 31, 2021 So, I put a note on our community’s “What Do You Have/What Do You Need” FB page to see if anyone had any old circular saw blades. An electrician friend answered Yes and invited me around to pick it up at his workshop. As we were talking about my plans for it (I’m thinking of making a bowl), he asked me if I only worked in steel or if I might like some copper. I naturally said Yes, whereupon he presented me with this freebie: 11 gauge, 24” x 36”. Feeling a bit gobsmacked. Quote Link to comment Share on other sites More sharing options...
TWISTEDWILLOW Posted December 31, 2021 Share Posted December 31, 2021 Wow! Nice score JHCC, whatcha gonna do with it? Quote Link to comment Share on other sites More sharing options...
Les L Posted December 31, 2021 Share Posted December 31, 2021 That was definitely worth the trip Quote Link to comment Share on other sites More sharing options...
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