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Reversing action of a transformer

I always thought that a transformer that, say, was supposed to convert 480 volts to 240, or say 380 to 220, can always...
23 comments posted 11yrs
posted by ignoramus31086
23 comments posted 11yrs posted by ignoramus31086

Harbor Freight for the Strategic Shopper

Welp! Today I had a bunch of 20% off coupons ready to expired, so I put on my plaid long sleeve shirt, dark glasses and...
26 comments posted 11yrs
posted by Snuffy-Hub-Cap
26 comments posted 11yrs posted by Snuffy-Hub-Cap

The Holy Grail of Welding: Steel + Aluminum

This process sounds more like brazing than welding, at least as seen by the steel. Joe Gwinn --------------------------...
6 comments posted 11yrs
posted by joegwinn
6 comments posted 11yrs posted by joegwinn

Anyone know about vacuum rating?

I've dug around for quite a while, and although I find all sorts of "comforting" diagonal data about fall heights, colu...
66 comments posted 11yrs
posted by lloydspinsidemindspring.com
66 comments posted 11yrs posted by lloydspinsidemindspring.com

Stainless and aluminum

Were the metals of choice today . I've been modifying parts for a SB install in a 1957 Chevy for a friend (he restores...
0 comments posted 11yrs
posted by snag_one
0 comments posted 11yrs posted by snag_one

regrind spindle

I have a runnout problem in the spindle on my CNC mill. means small tooling, like endmills under 1/8" diameter break co...
6 comments posted 11yrs
posted by karltownsend.NOT
6 comments posted 11yrs posted by karltownsend.NOT

i hate working

How To Turn Six Dollars Into Six Thousand Dollars: I found this on a bullet in board and decided to try it. A little wh...
0 comments posted 11yrs
posted by mandmhaha3
0 comments posted 11yrs posted by mandmhaha3

tool Chatter on 3-axis router

I'm new to high speed machining. I'm cutting a brass part http://i1262.photobucket.com/albums/ii619/Modelbauer1963/Chat...
16 comments posted 11yrs
posted by robanzellotti
16 comments posted 11yrs posted by robanzellotti

i hate my job

How To Turn Six Dollars Into Six Thousand Dollars: I found this on a bullet in board and decided to try it. A little wh...
1 comments posted 11yrs
posted by stormie.heaton
1 comments posted 11yrs posted by stormie.heaton

Reverse Osmosis follow-up

I installed a RO system. I opted for an American made 5-stage system after reading flaming reviews on the Chinese units...
23 comments posted 11yrs
posted by Mars
23 comments posted 11yrs posted by Mars

stereo to mono

On Tuesday, February 10, 2015 at 9:15:42 PM UTC-5, snipped-for-privacy@gmail.com wrote in sci.electronics.repair: > >"O...
0 comments posted 11yrs
posted by mogulah
0 comments posted 11yrs posted by mogulah

Excello spindle belt

I just broke the belt drving the spindle on my Excello 602... The top of the machine is almost exactly like a 2J bridgy...
5 comments posted 11yrs
posted by karltownsend.NOT
5 comments posted 11yrs posted by karltownsend.NOT