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New electrical generator

Yah, this guy claims to have invented a new form of generator and claims it is not a perpetual motion device! I'm a ske...
31 comments posted 18yrs
posted by pkangas
31 comments posted 18yrs posted by pkangas

still work out there - MN

"The Kid" got laid off Thursday. Last day of work on Friday. He's got a ton o' payments - house, car, student loan, cre...
59 comments posted 18yrs
posted by karltownsend.NOT
59 comments posted 18yrs posted by karltownsend.NOT

Reinventing the wheel!

I often see comments about "Reinventing the wheel" on replies to questions about making something that is manufactured....
58 comments posted 18yrs
posted by regor
58 comments posted 18yrs posted by regor

Best Hand Hacksaw Frame?

I've had to do a lot of hand hacksawing in stainless steel lately. The frame I have is a Sandvik (Model 225, and althou...
13 comments posted 18yrs
posted by gwhite
13 comments posted 18yrs posted by gwhite

Pass through pipe reducing bushing

I have a 3/4" pipe thread hole in an aluminum plate, and I need to be able to connect to both sides of it using pipe fi...
6 comments posted 18yrs
posted by carlmciver
6 comments posted 18yrs posted by carlmciver

1/2" dia carbon fibre round

Looking for a source for a small quantity of 1/2" dia carbon fibre or graphite round stock. Have tried the search engin...
2 comments posted 18yrs
posted by ol3_m3
2 comments posted 18yrs posted by ol3_m3

MEW article

I've mislaid issue 101 of Model Engineering World and now I'm in urgent, like yesterday, need of the article on 3 phase...
4 comments posted 18yrs
posted by frik.jacobs
4 comments posted 18yrs posted by frik.jacobs

Battery question

I bought a 12v. battery, a deep cycle marine, for a little bass boat I have. The battery is three years old now at leas...
48 comments posted 18yrs
posted by WeBMorfin
48 comments posted 18yrs posted by WeBMorfin

Sliding on concrete?

Anybody know what type of metal aggressive skaters use for sliding on concrete? What are the properties that make it go...
7 comments posted 18yrs
posted by jdoe
7 comments posted 18yrs posted by jdoe

I'm as smart as a SA 200

Another SA 200 welding machine came up yesterday. I am going to go look at it today. If I can buy these locally, I can...
4 comments posted 18yrs
posted by WeBMorfin
4 comments posted 18yrs posted by WeBMorfin

Experience with Sandvik Technical Guide

Creating a workbook in excel that will help me formulate speeds/feeds that will achieve highest metal removal rate with...
0 comments posted 18yrs
posted by hacdunqh
0 comments posted 18yrs posted by hacdunqh

Enco tilting tables

rec.crafts.metalworking Enco tilting tables Has anyone used Enco's tilting table with a worm gear adjustment? The catal...
0 comments posted 18yrs
posted by ht
0 comments posted 18yrs posted by ht

Homemade Screwdrivers?

I've been needing some good electrical terminal block screwdrivers and was wondering if I could make some better than t...
17 comments posted 18yrs
posted by regor
17 comments posted 18yrs posted by regor

Welding steel to gold - an example

Whilst doing some MIG welding, a bit of spatter landed on my wedding ring: http://home.comcast.net/~bobengelhardt/ring....
0 comments posted 18yrs
posted by bobengelhardt
0 comments posted 18yrs posted by bobengelhardt

welding thin tubing with internal threads

I have a project,,, where I am welding a mild steel threaded tube to a .106 thick mild steel tab that is about 1" long....
5 comments posted 18yrs
posted by rbce2003
5 comments posted 18yrs posted by rbce2003