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OT: finger tips and indications of health?
To a person selling "vitamin" supplements, white spots ARE a vitamin deficiency. Alas, so is the absence of white spots. Yes, it helps sell supplements.- WizardOfBoz
- Post #11
- Forum: General
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What is this profile called and where might I get it?
Denis, Thanks. I initially was going to protest: "I don't have a mill!". But you bring up a good point: I could make this out of maple or oak or even plywood. I have a shaping table. I could use 1 x 1/2 inch channel iron, but iwth some of the other stuff I'm using I do want something that...- WizardOfBoz
- Post #5
- Forum: General
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Aluminum angle vs steel angle
I don't have a mill but I can get a piloted drill on my DP to spotface the existing angle. I'll probably then change to button head socketed cap screws. So it looks like my design was actually what I intended! Thanks, all.- WizardOfBoz
- Post #7
- Forum: General
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Aluminum angle vs steel angle
Hi all. I purchased, at a steep discount, a woodworking dust collection system. It's one of those with a blower leading to a ring with a bag below for sawdust, and a bag above to filter anthing that doesn't drop into the bag. Interestingly, it has a 2HP blower, which is more HP than my poor...- WizardOfBoz
- Thread
- Replies: 8
- Forum: General
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What is this profile called and where might I get it?
Hi all. I'm looking to mount some 1010 (square bar with slots extruded in) to a pipe. Flat bar to round pipe. I was hoping that the part I've pictured below is available. If so, the title asks the key questions. The tube is 1-3/8 inch od and 1010 is 1 inch square. Thanks.- WizardOfBoz
- Thread
- Replies: 5
- Forum: General
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AXA or BXA for 11" Delta?
Super helpful, all. Thanks. Will advise.- WizardOfBoz
- Post #8
- Forum: General
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AXA or BXA for 11" Delta?
Helpful feedback. Shars offers two levels of turning and facing, and turning and facing and boring holders. You can buy one that takes a 3/4 shank tool holder rather than a 5/8. Plus, I smile every time I read your username, Donkey.- WizardOfBoz
- Post #4
- Forum: General
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AXA or BXA for 11" Delta?
All, I have been trying to do lathe stuff without a proper, working lathe. I've asked how to do lathe stuff (like opening a 1.62 ID aluminum tube to 1.64) and folks have said "Gee, why don't use use a lathe?". I have a Monarch 10ee in very clapped out nonfunctional shap, an A___s (a lathe not...- WizardOfBoz
- Thread
- Replies: 10
- Forum: General
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two sided tape for fixturing fiberglass
Hi. I have two identical templates that help align parts for gluing. They are equilateral triangles made of 1/8 fiberglass sheet. I have to enlarge three internal slots from 3/16 to 1/4. I was thinking of using a sanding disk on the table saw. Two questions: 1) What would the best tape be to...- WizardOfBoz
- Thread
- Replies: 0
- Forum: General
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Opening up the ID of an aluminum tube
rimcanyon, one of the reasons I like this forum is all the people that have done really cool things. Yes, it sounds like Ferree's dent barrels would work - but probably only in annealed aluminum. This stuff is solutionized and precipitation hardened (T6), so I may be consigned to a spring...- WizardOfBoz
- Post #14
- Forum: General
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Opening up the ID of an aluminum tube
I have two, but neither are functional. *Atlas Monarch 10EE- WizardOfBoz
- Post #12
- Forum: General
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Opening up the ID of an aluminum tube
Is there anyone who likes beer anywhere near Kennett Square (or West Chester) PA?- WizardOfBoz
- Post #11
- Forum: General
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Opening up the ID of an aluminum tube
So, garwood, there are the spring loaded bar type hone. There is a flex hone. And there is a hone that is more adjustable .. Or, I can probably figure out someting with my (wood) lathe and a dowel. Any suggestion on direction? What grit would I use for hogging out 0.006 from the radius...- WizardOfBoz
- Post #4
- Forum: General
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Opening up the ID of an aluminum tube
I have a 12 inch piece of 1.75 x 1.625 alumining (6061-T6) tubing. It should be 1.638 (a little more than 41.6mm) ID. So I need 0.013 inch off the od, or about 0.0065 off the ID. The exact OD of the tube is not of super importance. I don't have a decent lathe to bore this. I don't have a...- WizardOfBoz
- Thread
- Replies: 15
- Forum: General
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Machining thicker carbon fiber ring shapes
boslab, I was thinking of doing just what you were suggesting. Glue the fins to the motor (inner tube) but have a "landing" on the forward part of each fin that is of a diameter less than the body tube. Then just wrap epoxied CF tow around the three fins on that "landing". This is probably...- WizardOfBoz
- Post #9
- Forum: General
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Machining thicker carbon fiber ring shapes
Jaguar, Your point is a good one. As I said above, a lot of the high power rockets are made with the motor tube and body tube "filleted" together, often with pure epoxy (!) but sometimes with an additive (colloidal silica or calcium metasilicate, which are, roughly West systems 406 and 404...- WizardOfBoz
- Post #6
- Forum: General
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Machining thicker carbon fiber ring shapes
Both replies above are interesting, thanks guys. Some of the tubes people use are cardboard. By itself sometimes or often with a composite wrap. But if we have (for example) a carbon fiber tube, the substrate is stronger. That is, it doesn't matter what the psi shear stress rating of the...- WizardOfBoz
- Post #4
- Forum: General
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Machining thicker carbon fiber ring shapes
I am asking about the best (cheapest) way to make carbon fiber ring shapes with non-standard cross-section, of about 1.5-4 inches in diameter. So I am thinking of getting back into model rocketry after many decades. The big boy edition is called High-Power Rocketry. As in 98mm diameter...- WizardOfBoz
- Thread
- Replies: 15
- Forum: General
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Modern equivalent to 1020 steel
I just decided to make a model rocket. When I was a kid, these were 14 inches long. The one I'm building now is 66 inches long. There's a Youtuber (Xyla Foxlin) who is an engineer. She built a carbon fiber rocket that went to 23,000 ft and hit mach 2.2. Built of CF. Point is, these things...- WizardOfBoz
- Post #18
- Forum: General