Latest threads in ⏣ General Metalworkingshow only best voted threads

Subject Author Posted Replies
 
spin forming on air
Don't move.... The bright young men in their clean white coats are coming to take you away! HaHa! JR Dweller in the cellar Bill wrote:
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tough paint/primer for wood
Looking for something that's solvent resistant. The last stuff I tried became pasty when diesel spilled on it. I don't care about color, as long as it's light. Prefer rattle-can if I can get it, brush...
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where to visit in north east dallas Weds morning
have some time to kill prior to a meeting at noon, looking for suggestions
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Answering - "How to Form Patina on Brass"
For some whacky reason the answer I posted to the OP (twice) never made it to this newsgroup or to the crossposted So, here's what I was trying to say to the OP: Norm Dresner wrote: > I have a brass...
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Brushless and not dusty (brushless DC motors)
Assuming you're looking for something moderately priced and don't need a low inertia, high performance motor, look at MCG and the Panasonic A Series. Bodine and Oriental Motor have a few choices as...
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More on the Segway
They're bulky, though. Best use I've seen is for a guy who would otherwise be in a wheelchair, due to a few abbreviated limbs. Pretty impressive how manouverable it is; his wheels are larger than...
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Rodents making home in GENERATOR CONTROL BOX
Something happened and my Onan DJE generator does not run. Specifically, it starts, but as soon as I release the starter, it stops. (I test it at least once a month). An investigation showed that...
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NG Heat Ripoff and Convert SP Furncace
OK....I've got a NG Standing Pilot Burner furnace the size of a VW Beetle. Puget Sound Energy just happily announced a 13% cut in NG prices, stating the "average household" monthly charge would drop...
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interesting machinery surplus places in north/east dallas?
I have tomorrow (Weds) morning available in the Richmond Tx area to browse around surplus stuff - any suggestions where to go?
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How to form patina on brass?
I have a brass casting that I've used in a piece and need to make it look old and weathered. Are there any household chemicals that will do that or do I need to purchase a specialty chemical? TIA Norm
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Roofing Question
I'm making a metal awning. 32 x 14, then 90 degrees to 18 x 16'3. This will be next to the house, but will be supported all around by poles, as I don't want to lag such weight into the stucco. I would...
 
Section modulus for T beam
I have a T beam web 6'-6"x3/8" thick, flange 31.5" x 3/4". The T beam is 76'-6" long.Let me know if you can help to find the Section Modulus. thanks, Ray
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Electric die grinder question
Hello gents, Quick question..... Is there any problem using a variable speed controller on an 110VAC die grinder? The problem I'm having is all mine are 24-30k RPM and I need to run much slower for...
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Bulletproof AR15 bolt
If one were to build a bulletproof AR 15 bolt, meaning no cracking of lug shearing with automatic use and slow wear , what material would you make it out of? What treatment processes would you do...
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Home shop machinists
Are there any Home Shop Machinists living near Boca Raton Florida? I had the email address of one but have since lost it