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Thread: Socket wrench for toilet oval water shutoff valve

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  1. #1
    Supporting Member jdurand's Avatar
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    Quote Originally Posted by olderdan View Post
    I also detest those handles, designed by someone who never had to use one in the field like so many things these days. I once installed a shower enclosure for a customer which leaked in use, after several attempts to fix it I gave up and called the suppliers service engineer who on arrival said I told them they would have trouble marketing this but they would not listen to me saying it works fine in computer design

    I have only encountered the plastic bodied variety but has the same handle, I would remove the central screw and handle and use an extended radiator key to work on the exposed square shaft. We all find our own ways to get through the days problems.

    One of the things we do is design PC boards. Some of the very dense parts can be close to impossible to connect to. I wound up being a speaker at an electronics trade show regarding how the part designers never actually had to USE their parts.

    A processor in a ball grid array specified a certain number and sizes of capacitors to be placed on the back of the PC board directly beneath the power pins. We couldn't get them to fit so I contacted the engineers there (I used to have a direct line to them as an expert user). They said on their test boards they only used half the capacitors...because they couldn't get them to fit. But they didn't change the specification before publishing it.

    A ball grid array with rows and rows of pins would require many may layers of PC board to connect. The engineers said there was no need for all those layers. This escalated until we got them to send an engineer to our office. We sat him in front of the CAD system and said SHOW US. He couldn't do it without adding MORE layers than we had proposed. The board wound up being 14 layers.

    A high speed chip specified all the fast lines had to be 0.025" wide and on the same side of the board, but the pins they came off of were on 0.015" centers. I need a space squeezer to make that work!

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  3. #2

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    Quote Originally Posted by jdurand View Post
    .....
    A high speed chip specified all the fast lines had to be 0.025" wide and on the same side of the board, but the https://www.homemadetools.net/forum/...lleyes.pngpins they came off of were on 0.015" centers. I need a space squeezer to make that work!
    Did your autorouter jump out of the computer and roll on the floor laughing?

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    emu roo (Oct 9, 2025), mwmkravchenko (May 11, 2020), PJs (Jul 7, 2024)

  5. #3
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    Most I've used will balk if they are any good. The bad ones will ignore the rule until they run error check stage.



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