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Ed Poore

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Posts posted by Ed Poore

  1. 23 hours ago, elbekko said:

    Sort of on topic. I've been on the hunt for a simple solid-state inverter (NOT gate) for 12V. I actually found one on RS, ordered it, then realised the entire thing is smaller than the tip of my soldering iron <_<

    Would be nice to just have a little off the shelf component that you could throw into a circuit like that without having to worry about a relay's power draw and size.

    And obviously, googling "12V inverter" is hopeless.

    Wouldn't a suitable pFET do what you want? Insert it in the high side of your circuit. Pull up resistor on gate to 12V.

    Apply 12V to gate and FET is open circuit so no power downstream. Pull it low to ground and FET starts conducting allowing power through.

    I'd add some snubber caps on the gate to protect it from transient but the principle is there.

  2. 30 minutes ago, Stellaghost said:

    centre is obviously still to come out, but i will need to track down a suitable hole saw first

    I got a cheap set off Amazon that went up to about 6" and has actually surprised me how resilient they've been to abuse despite only costing about £40 for the set.

    I've got a bigger (I think) 8" one if that's any help?

  3. 30 minutes ago, steve b said:

    That's not finished yet, where are the scotchloks?

    :ph34r:

    Steve

    Who needs them when you have nice connectors :D

    PXL_20240429_160615886.thumb.jpg.44decd3de58419c41393d171be183aa6.jpg

    Connectors, crimps, housing, PCB sockets were £3 on Aliexpress with £12 shipping that mysteriously went up each time you increased the quantity. Still £15 for a waterproof housing with proper connectors isn't bad.

    27 minutes ago, Stellaghost said:

    You will have to wise me up to what it's for..

    Two can play at the guess what this is for game. :hysterical:

    • Like 1
  4. Recently recovering @Bowie69 when his brakes failed mine got hot. Put almost 10l of water in but nothing leaking. Thinking back it had been closing water very very slowly.

    When I called in with @TSD checked the levels and they were low and for the time noticed it was damp around a load of the coolant pipes, but only just. After 30 years the rubber hoses are finally beginning to give up and weep slightly through cracks.

    It was almost sheer fluke we'd spotted it as normally the engine bay hasn't been that dry because of road splatter.

     

  5. It's a little more work on the slab front but it is worth considering sinking the lift in so the ramps are flush with the main floor. Gains you a few inches and makes putting normal cars on it far easier. It also means than any oil spills etc., are likely to be contained rather than going off under benches etc.

    You could always provision a drain inside there as well. For other reasons I installed an aqua channel around two walls of my workshop (ground behind them is significantly higher). I've not had an issue with water ingress through the wall because of the drainage work we did in the neighbours yard but it's been handy when I bring a wet vehicle in to be able to sweep the water that drops off into the drain.

  6. Top trick for welding a nut on - put a washer (if you can) between the nut and casting. Really does help the weld not to stick to the casing.

    I was skeptical but had a bolt break off flush to the casting on my lawnmowers rear axle casing where it wasn't possible to get all but a specialist air collet drill. Took a few goes with the stick turned up to the max but the washer really did help. Nut was red glowing red once done and once cooled wound straight out.

  7. 2 minutes ago, dangerous doug said:

    I know it’s more work but I do have some 404 wheels you can have if you want to do a similar thing to what you did before. They’re just sitting outside so would rather they get some use if it helps

    You liked him that much you've waited until @Stellaghost has got home so he's got to come down again.

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