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DIY aluminum keyboard tray - some q's and advice needed

I got myself a 'keyboard arm' (http://tinyurl.com/chtfdey) for my desk and instead of paying $100 for their 'molded ABS...
21 comments posted 14yrs
posted by KEYBOTRAY.aac6308
21 comments posted 14yrs posted by KEYBOTRAY.aac6308

Peltier Pot geometry

This January's concept for stacked "dog food bowls" of stainless steel has a new refinement: the cube root of 2. Why th...
0 comments posted 14yrs
posted by dgoncz
0 comments posted 14yrs posted by dgoncz

Deburring inside hole in AL "U" channel

I need to deburr the inside of a 1/2" hole in a 1/8" AL "C" channel. The hole is in the center of one leg with a 1/4" h...
21 comments posted 14yrs
posted by Mars
21 comments posted 14yrs posted by Mars

lathe chuck spindle

Hi, I bought a 4" 3jaw lathe chuck off ebay, and am adapting it as a 4th axis for my milling machine. The lathe chuck h...
14 comments posted 14yrs
posted by jmorken
14 comments posted 14yrs posted by jmorken

Kaeser SX-5 air compressor

Hi, all. On Site Gas systems is proposing a nitrogen gas generating system for our selective soldering machines. We are...
4 comments posted 14yrs
posted by pdrahn
4 comments posted 14yrs posted by pdrahn

What is it? Set 460

A new set has been posted, I'm not going to be able to post the answers until Sunday. http://55tools.blogspot.com/ Rob
20 comments posted 14yrs
posted by rhvp65
20 comments posted 14yrs posted by rhvp65

Slippery Pipes

I've been asked by a local commercial property owner. He thinks that kids may be scaling to the roof of his business, b...
17 comments posted 14yrs
posted by cayoung61***spamblock
17 comments posted 14yrs posted by cayoung61***spamblock

Any Gun Drillers Out There?

I have a project for a water tube that needs to be drilled out to size. I'll gladly send a DWG or PDF drawing to anyone...
0 comments posted 14yrs
posted by autodrill
0 comments posted 14yrs posted by autodrill

What does S/J stand for in an end mill listing?

As in this end mill.... 3/4" X 3/4" X 1 5/8" X 3 7/8" S/J Printed on tube and on end mill. Remove 333 to reply. Randy
2 comments posted 14yrs
posted by rbraun333
2 comments posted 14yrs posted by rbraun333

free for shippng cost - Aura Cadd for macintosh

Aura CADD for macintosh - apparently this is of no value - I've placed it in a recycling bag - if anyone wants it, I fi...
0 comments posted 14yrs
posted by william_b_noble
0 comments posted 14yrs posted by william_b_noble

Torsional stiffness of wood

A question came up on a model airplane forum, and I realized that my never-got-past-sophmore-year mechanical engineerin...
3 comments posted 14yrs
posted by tim
3 comments posted 14yrs posted by tim

A "D" reamer question

I have made and used "D" reamers many times. Always with good luck. But never a piloted one. I will be making a piloted...
2 comments posted 14yrs
posted by etpm
2 comments posted 14yrs posted by etpm

Printed Pole Motor

I remember reading a book about motors, and one of the more interesting ones was referred to as a "Printed Pole Motor"...
13 comments posted 14yrs
posted by 3t3d
13 comments posted 14yrs posted by 3t3d

Gunsmithing advice please

Greetings all you Gundamentalists, I have an old Remington Model 6 .22 caliber rifle. I like this rifle but it needs lo...
11 comments posted 14yrs
posted by etpm
11 comments posted 14yrs posted by etpm