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  1. T

    Interesting

    Landed in my inbox. I know some of you are keen on Japanese tools so I thought I'd share. https://www.instructables.com/The-Art-of-Setting-Up-a-Japanese-Hand-Plane-Kanna/
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    Parkside flat bits

    Hoping this is useful to somebody. Bought a set of flat bits from Lidl last year, got round to to using one today. Gave it quite a hammering counter-boring bolt holes in soggy sleepers, 16x 25mm holes 33mm(ish) deep. So, the tips of the spurs are gone, the edges weren't great and are now...
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    "Indoors" Toolkit Thread

    Located across different places in the house. Not a kit as such, largely just what happened along. Claw hammer Small cross pein hammer Electrical screwdriver that lights up Slightly bigger flat screwdriver Size 2 philips driver Size 1 Philips driver (Sorely missing a size 2 pozidrive...
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    Hall Effect

    Can't fault your drawing - perfectly clear, which is all that is needed :)
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    Hall Effect

    Agreed. The motor will generate interference because it's switching a lot of current, very fast, through some significant inductors - so you get significant back-EMF. So it's worth shielding the power and sensor wires from each other, even if you only (carefully!) wrap some foil around each set...
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    Hall Effect

    My experiments with optical sensing showed that it can be very sensitive to vibration so you get false counts. But then, I was making a very vibratey thing. Also susceptible to dirt and whatnot in the encoder wheel. I think the hall sensor would provide inherent immunity to these issues before...
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    Hall Effect

    I was going to suggest that if there's space, attach the magnet to the spindle. But looks like you've worked it out now. Suggest fitting a counterweight though. Or several. At 1000's or even 100's of rpm that's going to be pulling on your acrylic ring until the glue fails. Also an extra...
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    Speed Awareness Course

    The smart move is to pull over when it's possible and let them pass.
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    Speed Awareness Course

    On the subject of middle lane hogs, I thought a fine had been introduced a few years ago. And there you go, mentioned in a post I now can't find. And yet it seems even more people are doing it than ever before. What's the point of the fine if it it's never actually enforced. They are a royal...
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    Speed Awareness Course

    Nah-nerr! I've done 4! The last one was online and it was actually really good. If my first one had been like that maybe I wouldn't have needed 3 more... It's a bit like the recovering alcoholics. Clean for 2 years now....
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    Speed Awareness Course

    See these all the time. I now rely on my Spidey sense...
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    Speed Awareness Course

    Leicester is made out of traffic lights. This is why drivers are so aggressive and impatient there. Well, that's my theory. The planners obviously thought the solution to problems caused by traffic lights is, more traffic lights! So you end up not being able to move for the effing things...
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    Can you make a DC motor run more quietly?

    It also occurs to me that you can vary the speed of a synchronous motor (or any induction motor for that matter) by adjusting the frequency of it's supply. You would need a split DC supply, square wave generator and half bridge to do this. You can get low voltage versions of these motors so 12v...
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    Can you make a DC motor run more quietly?

    There are slow AC motors. It's called a synchronous motor. Used for rotating the table in a microwave, running the timer in an older type washing machine, things like that. They are locked to the mains frequency so as accurate as that is (+/- 5% I think). I have a few but probably not the speed...
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    My first ever bent-ply project!

    I've asked a couple of questions about bending ply, would like to share the finished result! There used to be a fireplace with a curved hearth where the AV stuff now is, left a big gap in the carpet. So I made this plinth/box thing to fill the space and cover the cables and put stuff on! So what...
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    Is this expensive?

    Dropped the effing thing. Corner dinged...
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    Is this expensive?

    Quick shufty around - I decided convenience is worth a few quid! It needs to thin so I can bend it, and I want the nice finish, and that sheet is only slightly bigger than I need. It's for the plinth/box/cable cover thing mentioned in another post, that has to fit where a curved hearth used to...
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    Is this expensive?

    Wickes plywood. Finish seems nice - see link: https://www.wickes.co.uk/Wickes-Non-Structural-Hardwood-Plywood---3-6-x-607-x-1829mm/p/110513 Seems like a lot, but it's nearest to my house!
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    B**** computer printers RANT

    Much as I hate HP (over-engineered which just makes it heavier, not better) I have a HP colour laser/scanner (wife's choice) at home and it's fairly good. In common with most other laser printers, it's doesn't print great photos. The printer it replaced was a Konica-Minolta colour laser that...
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