Dart Straightening: Heat Device
I've been using my knife forge to heat up dart shafts (turning it off and using the thermal mass of the refractory in the forge), which has speeded things up, but there is always the problem of it...
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That sounds really interesting, Ken. I've toyed with the idea of some kind of "industrial" heater for my shafts before, especially when I get huge orders. I know AJ Bagg has built something of the...
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Thanks, Chris. For what it's worth, I believe you are much faster at dart straightening than I am, and that this is due more to native talent and developed skill (through experience) than to general...
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Very cool, Ken. I'm eager to see you at V of F and compare notes.
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Thanks Chris. If it works really great, I might jam it in the van and bring it to show you… Ha ha. I did make it so it breaks down into "small" pieces. I should have said a hot section at the front,...
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You know, I've seen a piece of equipment used by makers of traditional chairs which was kind of like this. It used steam heat, though, not dry. I wonder how well that sort of thing would work? They...
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Justin, I tried steaming bamboo before, and it didn't work out too well. The shafts got flexible, but didn't harden up like they do with dry heat. They got crooked again as they hardened back up over...
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Where are the pictures? I can't visualize everything. One of my friends tried the mythical cylinder of hot sand for straightening bamboo arrow shafts, it didn't work.
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Now you tell me, Sal! Ha ha. Well, I'll still post photos. Eventually. Ken
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A secondary, insulated outer tube sounds like it should work pretty well, and kaowool is great stuff minus the permanent lung damage hazard. Do you think that you could heat the sand-filled tube over...
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Thanks, Ryan! Yes, I think it would work over a wood fire quite well. Too much trouble for what I have in mind… And, yes, I've been thinking along the same lines you mentioned. Ironically, I was...
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Ok, here's some photos (finally). Should give you an idea of what I made and where I was trying to go.Ken
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Here's a link to a video of the flame going: LinkClickHere Ken
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And here's a photo of the burner I tried under it, after the effect burner. This is a very high output burner I normally use for steaming wood for bending (from a turkey fryer). As you can see, it...
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Holy moly, that thing is crazy! Thanks for posting.
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I have often considered playing with utilizing a copper pipe slightly oversized and the same length of the dart. Heat the entire length of the pipe and then work the dart into the pipe. Once the dart...
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Ray Madden once spoke to me of an idea he had for straightening darts using a "come-along" ratchet type set up to pull the dart material into tension, taught between two fixed points, while heating...
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Tom that sounds similar to the story of the Japanese drying an arrow shaft with a weight attached so it would be stretched straight as it dries.
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Yes, that reminds me of the method you showed us, Tom, of heat straightening with a weight on it. That would probably work, but as far as speed goes, wouldn't help increase my production, I don't...
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Induction coils are pretty awesome. I'm a graduate student working in a university laboratory, and we have several induction coils that we use for high temperature testing, one of which can reach over...
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