- Microscopic Solder Job - 2 Updates
- Taper of Potentiometers - 3 Updates
- Suggestions How to Test No Spin Hard Drives? - 1 Update
| rickman <gnuarm.deletethisbit@gmail.com>: Jan 25 08:11AM -0500 >> (H2) and oxygen (O2), not acid and base. Anything else would have to come >> from additives to the water. > it's saltwater. Not really. All water has contaminants. The water he has mentioned was fresh water with more or less contaminants. Still, it wouldn't be described as electrolysis of (salt)water if the interesting part was the contaminants. It would be described as the interesting bits dissolved in water. -- Rick C Viewed the eclipse at Wintercrest Farms, on the centerline of totality since 1998 |
| Fox's Mercantile <jdangus@att.net>: Jan 25 10:30AM -0600 On 1/25/18 8:06 AM, Terry Schwartz wrote: > Apparently anyone can be an expert on things they do not understand. As Rickman and Oldschool constantly prove. -- "I am a river to my people." Jeff-1.0 WA6FWi http:foxsmercantile.com |
| rickman <gnuarm.deletethisbit@gmail.com>: Jan 25 08:06AM -0500 >> refers to which direction the log curve goes, a log taper or an exponential >> taper. A linear taper is the same either way... it's linear. > I would very much expect he didn't need to 'give it a thought' to work out something so obvious. And yet, he mentions he has never seen a reverse linear taper. -- Rick C Viewed the eclipse at Wintercrest Farms, on the centerline of totality since 1998 |
| amdx <nojunk@knology.net>: Jan 25 08:00AM -0600 > JB Weld is your best friend. Get a soda-straw or heat-shrink tubing about the same diameter as the shaft, either use the broken piece or a suitable bit of solid material to extend the shaft to the correct length. Mix up the *SLOW* JB Weld epoxy, and use the straw/tubing to hold the shebang together and vertical, but out of the pot, until the epoxy sets up. Let the epoxy fill any voids. The result will be stronger than the original. > Peter Wieck > Melrose Park, PA I have repaired many broken plastic parts. I have a kit with 0.025" and 0.035" drill bits and matching steel rods. I put the parts together, then drill through where inserting a steel pin will give it the most strength. I epoxy the joint and the pin and put it all together. I use a Dremel tool to drill the hole and and cut the steel pin off, after the epoxy sets. The epoxy I have is Huntsman Fastweld 10, (ex. Ciba-Geigy Araldite) It is a 5 minute set 24 hour cure. Mikek |
| amdx <nojunk@knology.net>: Jan 25 08:15AM -0600 > He got as far as the door before he caught on. And it never happened to him again. Others got all the way to the counter at the warehouse. > Peter Wieck > Melrose Park, PA In my late teens a father bought his daughter a Volkswagen Beetle, the first thing he did was send her to go to the gas station* and have them check the water in the radiator. Mikek * back when they had service at gas stations. |
| "jfeng@my-deja.com" <jfeng@my-deja.com>: Jan 25 06:52AM -0800 > 1956 IBM 350. fifty 24-inch (0.6 m) platters, total capacity (3.75 megabytes). > NT More precisely, 5,000,000 Hollerith characters (the ones available on an IBM punch card). Each character was encoded using six bits. Since there were only 48 symbols defined, not all 64 of the six-bit combinations were possible. |
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