You can grind off the crimp where the outer ring holds a washer and a spring in place. Some can be clipped with heavy diagonal cutters, since the crimp weakens the brass.A cutoff wheel in a Dremel or

This was 45 years ago, on an Army base where the newer part of the base had enough steam for all of the buildings. I was in a drafty, WWI building that had been a Barracks, Mess hall and steam plant f

A vacuum tube Tektronix scope was no problem in the winter, at a TV station in Alaska. It might even get the control room to 40F, if it and both transmitters were on! I would turn on the studio's Halo

I had to change my Email provider to get rid of the problem. I switched from Earthlink to Gmail.

Yes, the MMBT3904 is a generic, surface mount version of the 2N3904.. It is a jellybean component.that is available at just about any distributor, or from scrap boards. They are marked 1A. On Semicond

I served at Ft. Greely in the early '70s. Just a couple years after the damaged nuclear power plant was shut down for the last time. It had no cooling tower, the used, radioactive cooling water was pu

It is RG-62, 93 Ohm coax. The connector was designed by Galvin Manufacturing which changed their corporate name to Motorola to better identify their newly developed car radios. IBM also used RG-62 for

https://www.harborfreight.com/500-lbs-capacity-hydraulic-table-cart-61405.html

There are print to order services, like http://www.lulu.com

http://w140.com/Tek_RPR_152-_Diodes.pdf

A bulk tape eraser may generate too strong of a magnetic field. I've seen TV CRTs that were damaged this way. Once damaged, there is no way to correct the bent parts of the electron gun, or support st

1N3758 is not a tunnel diode. It is a rectifier that the NTE NTE5804will replace The NTE part is: Axial Lead Standard Recovery Silicon Rectifiers, 3 Amp, 400V, DO27 The 1N3758appears to be a 400V, 1A

I used the wet wicking on ICs with narrow lead spacing, to quickly remove the solder with minimal heating of the board and the IC. It was the only way I would replace a MC68340, in the 288 pin package

35+ years ago I repaired Cable TV set top boxes. The outside company they were using used those fiberglass 'erasers' to clean the band switches. We had ~10% failure right out of the box, and over 50%

Michael A. Terrell https://patents.google.com/patent/US3627191A 1968-03-18 Patent application. I was told that 'Wet Wicking' was used for several years before the dry system hit the market. I used to

Oh, give me a brake! ;-) BTW, I found it at the local 'Ollie's' store and I had a coupon for 10% off the entire purchase. Michael A. Terrell

lightly gelled paint stripper is even better, if you don't miss! I was trapped in an old garage once, so I poured some into the cap for a can of spray paint and doused some very large and angry bees w

I use the spray cans to clean under ICs and some other SMD components. I've never seen water based flux remover in a spray can, but I left manufacturing in late 2001 due to health problems. Michael A.

The shop is too well ventilated. It was a four car detached garage, with six inch wide openings along three of the four sides. I have never damaged any plastic pars, since I only use it on the bottom

I just bought a dozen spray cans of 'Brake Parts Cleaner' to deflux circuit boards. It is a mix of alcohols. I paid US $1.99 per can, instead of the higher price for cans labeled 'Flux Remover'. Micha