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Type: Posts; User: Mark Rand

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  1. Replies
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    Got my first shot at 17:30 GMT today. Second one...

    Got my first shot at 17:30 GMT today. Second one is due on 26th of May. They've got one hall in a showground (The old Royal Show ground in Warwickshire). They've got five lanes set up, with two lanes...
  2. Thread: O/T problems

    by Mark Rand
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    1,720

    You have my sympathy. Ask the teenage me to write...

    You have my sympathy. Ask the teenage me to write about spaceflight, model aeroplane making, welding, proper use of the hacksaw etc. and I could do a very good essay. Ask me to write about a story...
  3. If the steel order hadn't specified with full...

    If the steel order hadn't specified with full ultrasonic or radiographic inspection or certification of no inclusions, I'd expect them to supply you with another piece of the same stock at the most....
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    If the chip is in the corner and not in the...

    If the chip is in the corner and not in the middle, it will make no difference at all to lapping or certification. Indeed, the Federal spec GGG-P-463c, says that the working area for that size plate...
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    in addition to what Gustafson sys, the silicon...

    in addition to what Gustafson sys, the silicon rectifiers will give a slightly higher output voltage than the existing selenium rectifiers That's why they don't need fins all over them, because they...
  6. Yes, it was the 68882. IIRC the 68881 was...

    Yes, it was the 68882.

    IIRC the 68881 was first used with the 68000. Both are pin compatible and pretty much code compatible.

    This from memories of the HP 9000-220, 320 and 330 machines. Wrote...
  7. "Surface rust" usually means "It's shagged, but I...

    "Surface rust" usually means "It's shagged, but I still want you to pay new price for it"
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    The setups for a 16ER60 and a 16ER55 are pretty...

    The setups for a 16ER60 and a 16ER55 are pretty much identical. I use the same alignment for both including the infeed angle when I'm using the topslide instead of the crossslide for infeed.

    If...
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    ^^^^^ Pot, meet kettle.

    ^^^^^

    Pot, meet kettle.
  10. I've got 48" single tube fluorescent fittings...

    I've got 48" single tube fluorescent fittings with HF ballasts. I did buy a quantity of LED tubes to try them for re-lamping, but was rather disappointed with the result, even when replacing 10 year...
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    From the state of them in the photos, they are...

    From the state of them in the photos, they are old, dirty and probably worn. The original manufacturer is irrelevant, they aren't Renaisance masterpieces that will end up on display in a museum of...
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    When I worked on a fourcourt in my teens, during...

    When I worked on a fourcourt in my teens, during the three day week caused by the miners' strike in the UK, I had to open the pumps and get the handle out. It was bloody hard work.

    Not sure if...
  13. Bainite formation temperatures are lower than...

    Bainite formation temperatures are lower than forging temperatures. I'd suspect that the work is being forged at too low a heat for too long or that it isn't cooling fast enough after forging.

    I'm...
  14. I've worn safety boots every day of my life for...

    I've worn safety boots every day of my life for the last 44 years, saved my toes once when I slid on some Diesel when on BSA going down a steep hill in the pouring rain. Toecap was worn through. toes...
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    Given that China and the EU are expected to only...

    Given that China and the EU are expected to only allow electric vehicles by 2035, it's more than reasonable for GM, Ford, VW etc. to aim for that date.

    I'd be overjoyed to replace my...
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    Don't forget that you have to login with your...

    Don't forget that you have to login with your microsoft account for it to work. :D
  17. The facts ma'am, Just the facts:- How much...

    The facts ma'am, Just the facts:-

    How much federal funding each state receives from the government


    38. Texas
    • Net federal funding: $304 per resident


    47. New York
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    Tip it on its back and use kribbing to suport the...

    Tip it on its back and use kribbing to suport the top end so the column ends up horizontal.
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    No, h for hour is lower case. Unit abbreviations...

    No, h for hour is lower case. Unit abbreviations are capitalised when they are derived from a person's name, like Ampere, Volt, Pascal, Curie, Newton etc. Units which aren't called after people are...
  20. Yes, AX might do the job far better. Myford...

    Yes, AX might do the job far better.

    Myford were culprits for having vastly undersized motor pulleys.
  21. Because, if the belt is in contact with the...

    Because, if the belt is in contact with the bottom of the groove, then it is not gripping the sheaves and will be slipping!
  22. The grub screw often retains the parallel key...

    The grub screw often retains the parallel key that drives the pulley/shaft.
  23. Why would it be poor engineering? The belt does...

    Why would it be poor engineering? The belt does not touch the bottom of the groove.
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    Read a little bit about just why there are...

    Read a little bit about just why there are asymptomatic cases. it isn't because they aren't infected, it's because the Covid-19 virus managed to not provoke an immune response in a large proportion...
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    Yes, the true figure is likely to be...

    Yes, the true figure is likely to be significantly higher.
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