Charcoal and Gas Forging
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I've been hobby forging for a few years now and have been using charcoal exclusively as a fuel source, but I've started to get a bit annoyed with the tedium (and copious smoke) that comes along with making charcoal. Any anons here forge with propane, and if so, how much does it cost you to run your forge on average? I want to switch, but only if it's not too expensive, considering my current setup is free to run as long as you don't count the cost of my time making the charcoal.
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I am going to try to keep a welding general up now, because it is such a fascinating topic.
A couple questions to start things off:
Who here has heard of underwater welding (pic related)
How many of you would follow a regular thread like this?
Also some more personal questions:
I am looking to buy a mig welder. So far in my welding journey I have been using equipment at work/school, and dont have one of my own. My thought was to get a Hobart 210mvp, which comes with a spool gun and can take both 110 and 220. Is this a good welding machine? The research I have done seems ro suggest so, but maybe someone here knows a better machine. Sorry for the long post, future OP posts in future /wmg/ threads will be cleaner. Also any contributions as far as links to good websites for resources to put in future OP posts are welcome.
Making a raft
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I want to make a small raft to hold a wooden structure. I have attached a sketch of three potential methods to make a keel-like element to prevent it from cap-sizing.
I would love to discuss and get your thoughts on which method will be most secure, simple to execute, efficient etc. and why. If there are further details you need, obviously feel free to ask.
Further info that might be relevant:
For the floats I'll use 2 barrels OR 4 jerrycans, they will be sandwiched between two wooden pallets; the structure will be about 2m tall; the weight at the bottom of the keel [red] will be rocks or sand in a sack.
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i can't find anything about the following on the internet. Evaporation takes heat out of an object, so warm air, inside a metal tube with wet cloth on the outside could cool the air inside.
I can't find anyone who has tried it, like in the setup for heating air. (see picture).
Any ideas if it could work?
I lack the equipment to try it, like lots of cans and a thermometer to measure it, but will save up on cans so i can make a larger setup to try it.