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Science Olympiad 2016

We had a science olympiad this year, a regional event. My son participated in two events, Air Trajectory (where you mak...
0 comments posted 10yrs
posted by ignoramus4339
0 comments posted 10yrs posted by ignoramus4339

Why all the induction heaters from China?

I see lots of Chinese made induction heaters on eBay and I get ads in my email from China fairly often for induction he...
12 comments posted 10yrs
posted by etpm
12 comments posted 10yrs posted by etpm

Happy Pi day!

Hah! Lloyd
3 comments posted 10yrs
posted by lloydspinsidemindspring.com
3 comments posted 10yrs posted by lloydspinsidemindspring.com

Extra-wide vice is built (with pictures)

I have built the extra-wide vice which I discussed in several threads here (paint and wooden jaws are still to come). T...
4 comments posted 10yrs
posted by christopher.tidy
4 comments posted 10yrs posted by christopher.tidy

What is "T1 armor plate"?

Before my eyes went, I was a competitive Metallic Silhouette shooter. My bolt action pistol is chambered for .308. I kn...
5 comments posted 10yrs
posted by no
5 comments posted 10yrs posted by no

What makes A514 (T-1) steel so strong?

A514 (T-1) steel seems to possess remarkable properties, being 100,000 psi strong, and yet has a very unremarkable comp...
16 comments posted 10yrs
posted by ignoramus30666
16 comments posted 10yrs posted by ignoramus30666

OT: Source for industrial keyboards?

I'm looking for a couple of keyboards to retrofit old machines. my requirements: 1) PS2 interface 2) EASY to clean. The...
15 comments posted 10yrs
posted by rangerssuck
15 comments posted 10yrs posted by rangerssuck

Re: Outboard Steam engine motor

> If you could plumb steam to the engine you might be able to do this, but > there's likely no way to put reasomable po...
5 comments posted 10yrs
posted by chasbader
5 comments posted 10yrs posted by chasbader

Can I use this jig borer as a milling machine?

I bought this borer just to part it out and scrap. It weighs 28,500 lbs. However, when I looked at it in person today,...
22 comments posted 10yrs
posted by ignoramus26799
22 comments posted 10yrs posted by ignoramus26799

here's a good one

Staunch gun advocate Jamie Gilt, 31, who just a day earlier had boasted online about her toddler's shooting prowess, wa...
14 comments posted 10yrs
posted by cybvyqe
14 comments posted 10yrs posted by cybvyqe

Shrink fit tool holders

Hey gang, My company manufactures induction heaters. We've sold a number of heaters to CNC shops that use shrink-fit to...
6 comments posted 10yrs
posted by no
6 comments posted 10yrs posted by no

need collet

First off, sorry about posting something concerning metalworking. I bought a Precise brand high speed spindle off ebay...
23 comments posted 10yrs
posted by karltownsend.NOT
23 comments posted 10yrs posted by karltownsend.NOT

New Segway Model

Someone tell that old apple farmer, Karl Townsend, about this. http://tinyurl.com/hmywnb3 It sure beats hoverboards for...
0 comments posted 10yrs
posted by ljaques
0 comments posted 10yrs posted by ljaques

"Precision" Pin Vise

Are there any pin vises suitable for CNC drilling at high speeds for micro drills. A high quality high precision pin vi...
22 comments posted 10yrs
posted by none
22 comments posted 10yrs posted by none