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  1. Replies
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    I wouldn't bet on it staying dust free. Melamine...

    I wouldn't bet on it staying dust free. Melamine is organic so has some sort of static properties, so it seems to attract really fine dust and if anything it looks worse than dust on ply.
    ...
  2. Thread: Getting older

    by BobL
    Replies
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    452

    Sorry to sound a bit like a broken record but...

    Sorry to sound a bit like a broken record but here are a couple more tales of woe for your amusement.

    about a week and a half ago I fell over one of the dogs in the hallway.
    I was inside the...
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    It might have 100 mm dust port but air flow will...

    It might have 100 mm dust port but air flow will still be seriously throttled by the saw guard and rotating saw blade which will act like an impeller and spry air and saw dust away from the blade.
    ...
  4. Thread: SCMS extraction.

    by BobL
    Replies
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    1,812

    Last year I played around with dust extraction...

    Last year I played around with dust extraction for my Bosch glidesaw.

    Someone mentioned a 3D printed dust scoop and I attempted to emulate this with the following PC junction hack.
    The scoop...
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    Technically this is not correct,, while its up to...

    Technically this is not correct,, while its up to the sparky to determine projected load and decide on what GPOs that can be used on a circuit, In some cases it may not be too code, and its...
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    Unless you have the machines and know where you...

    Unless you have the machines and know where you are going to put them I would wire a minimum number of 15A (eg 2) and 3P outlets (1) until you have the machines. 99% sure you will have them in the...
  7. Some of timbecon's claims in the DC space in the...

    Some of timbecon's claims in the DC space in the last few years, especially the static pressures, have become highly questionable. The unit I did the modification two in the sticky is a sherwood...
  8. I would go with extraction for both fans and...

    I would go with extraction for both fans and place the fans and air inlets on opposite walls to draw on as much as of the shed as possible.
  9. [/LIST] DC external to workshop :2tsup: ...

    [/LIST]

    DC external to workshop :2tsup:

    Stock 2HP DC with the 2 x 4" ducts won't have >1000 CFM.
    The manufacturers claims are incorrect, their measurements are made using a flawed standard.
    A...
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    About 20 years ago SWMBO and myself spent 9...

    About 20 years ago SWMBO and myself spent 9 months in Europe where I was working at a lab. Our 18 year old student son stayed at our home in Perth and sent us the bills. A mid-year power bill arrived...
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    That won't necessarily explain why it runs the...

    That won't necessarily explain why it runs the second time without any help

    I'd say the belt has probably hardened and needs replacing.
    Using it warms the belt up so it grips the pulley a bit...
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    Not really, Ive tested dozens of small DCs and...

    Not really, Ive tested dozens of small DCs and those in worse shape tended to be those that were towed around to machines inside a shed. Probably because they tend to get bashed and battered and then...
  13. Thread: Dust Mask Advise

    by BobL
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    285

    It sounds like you need a proper dust extraction...

    It sounds like you need a proper dust extraction system.

    Masks (PPE) are at the bottom of the OHS hierarchy tree any process.

    If you wear a mask while making woodworking dust you need to wear...
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    It depends on what you want to achieve. The...

    It depends on what you want to achieve.

    The HA-1000 is basically a wood chip collector or vacuum cleaner. If that is all you are after and don't care about fine dust then it will collect some...
  15. Several years ago I upgraded my 19" 2HP to 3HP,...

    Several years ago I upgraded my 19" 2HP to 3HP, and added an ammeter and a VFD.

    Provided I use a sharp blade to cut wood have yet to see it draw more than about 7A which equates to about 2HP.
    ...
  16. And if you got a Vector Drive VFD you could 1HP...

    And if you got a Vector Drive VFD you could 1HP down to <100 rpm.
  17. It depends how often you expect to be operating...

    It depends how often you expect to be operating at lower motor speeds.

    A 3 Phase motor that runs at 1440 rpm using a VFD will have full power only from about 50 to 100Hz or 1440 t0 2880 rpm....
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    12 CMS = ~25000 CFM This is physically not...

    12 CMS = ~25000 CFM
    This is physically not possible with your setup.
    A generic 2HP DC draws about 560 CFM with no machinery restrictions and a clean filter through two 100mm ducts.


    Propellor...
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    Yes it will help.

    Yes it will help.
  20. Replies
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    Some questions What size flex? What's a CMS? I...

    Some questions
    What size flex?
    What's a CMS? I assume its some sort of a flow?
    And
    What are you using to do the measurements?

    Measuring air flow around the mouth of anything is highly...
  21. N.S.W. After suitable modification these grinders can be...

    After suitable modification these grinders can be driven by a single phase VFD. I have two of them and they are great grinders.
  22. Replies
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    I've posted this before but 2 of these people are...

    I've posted this before but 2 of these people are my Italian cousins in their salami curing cellar.
    498483

    The cellar contains about 400 salamis ranging from half a kg to 7kg each.
    Mainly a type...
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    The cafe we goto is run by Italian people and...

    The cafe we goto is run by Italian people and they have a pretty good "savoury" range of breakfast items. They do a Tuscan meatballs which is very tasty and used to do a Polenta with Italian sausage...
  24. I like the variable speed pots used on the 9000...

    I like the variable speed pots used on the 9000 series VFDs.

    The knob is not really attached to a pot (knob turns endlessly) but a pulse generator(?).
    Regular slow turning changes frequency to...
  25. I agree, a bigger knob is probably good enough...

    I agree, a bigger knob is probably good enough for a WW lathe. I even have a Tacho but I put that on mainly because I had a spare one and so a young bloke I was teaching could adjust the speed to...
  26. Replies
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    Grates, I would use them at times even if I had a...

    Grates, I would use them at times even if I had a cyclone.
    It's no fun having to disconnect a cyclone collection bin/box and rattle around amongst all the dust trying to find a small workpiece.
    ...
  27. Replies
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    I doubt that will help much. Racking can still...

    I doubt that will help much.
    Racking can still occur even if all the feet/legs or a table are all firmly placed on the ground.
    Racking on a table happens usually because the structure is simply...
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    Hum . . . Zero for 3 at the moment.

    Hum . . . Zero for 3 at the moment.
  29. Replies
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    Printer (Creality CR10S Pro V2) arrived last...

    Printer (Creality CR10S Pro V2) arrived last night but I decided not to futz with it and waited till my son came over this morning to help me set it up. In practice it was more like me helping him...
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    Just went out for breakfast. I had the mixed...

    Just went out for breakfast.
    I had the mixed grilled mushrooms with spinach on sourdough topped with a poached egg and goats cheese.

    Oh Yeah

    And a side dish of fried Chorizo.
    We know the chef...
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    no. no You could Personally I would go...

    no.

    no

    You could

    Personally I would go with clear out's suggestion.

    However, assuming the racking is mainly in the longitudinal direction, here is a suggestion that should easily allow...
  32. I've tried using a 10 turn pots but found they...

    I've tried using a 10 turn pots but found they were too slow.
    If VFD remote pots are well positioned they should not get bumped.
    I've got 9 VFDs in my shed and have had them for up to 11 years...
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    Our trial was 3 months and its just finished. I...

    Our trial was 3 months and its just finished.
    I cant tell the difference.
    SWMBO is the movie TV watcher and says she can't tell either.
    Might be useful if you had a large family all wanting to...
  34. Go to the Electronics sub-forum...

    Go to the Electronics sub-forum (https://www.woodworkforums.com/f271) and read the the two top stickies in that forum.

    As you will see it's not always as easy as it sounds although sometimes folks...
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    That was for the mens shed. 498388

    That was for the mens shed.
    498388
  36. Replies
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    My shed is jam packed with stuff so there's not...

    My shed is jam packed with stuff so there's not much floor space for the chips to fall.

    Instead of a floor sweep I went for a length of 100mm duct attached to a length of 100mm flex attached to...
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    It looks like you might have the room/space, but...

    It looks like you might have the room/space, but otherwise I think it maybe still sticks out too far for most sheds .
  38. Thread: clean/rough cut

    by BobL
    Replies
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    230

    I don't usually expect too much from a bandsaw in...

    I don't usually expect too much from a bandsaw in terms of finish but a picture of the finish you are getting could be useful to help diagnose potential problems.

    RE: it also leaves a bit of...
  39. A few observations about wandering bits. To...

    A few observations about wandering bits.

    To stop bits wandering (in both metal and wood) I use several methods.

    The first one is to mark use a metal working centre punch.
    For wood I have a...
  40. Thread: Shed leaks!

    by BobL
    Replies
    23
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    1,003

    Just a follow up to the roof leaks. The...

    Just a follow up to the roof leaks.

    The obvious casualties were;
    - the various drill bit sets on wooden stands that were getting wet and rusting. Just took a little time to sort out.
    - the...
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    Yeah 40 PSI is probably OK - I was referring to...

    Yeah 40 PSI is probably OK - I was referring to full pressure.
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    How full do you let the collection bag get?

    How full do you let the collection bag get?
  43. Replies
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    :2tsup:Maybe practice on a separate piece...

    :2tsup:Maybe practice on a separate piece beforehand.
  44. Thread: Shed leaks!

    by BobL
    Replies
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    1,003

    ~20 mm of rain in the last 24 hrs and not a drop...

    ~20 mm of rain in the last 24 hrs and not a drop inside the shed. The previously perpetually damp spot during winter on the floor has also completely dried out too. I'm loving it. :)
    Only taken 11...
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    As long as there is no caked on sawdust left on...

    As long as there is no caked on sawdust left on the inside surface its not really worth cleaning them up any further as the first few minutes of extraction after cleaning will quickly replace the...
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    Yes they are fragile If it is well and truly...

    Yes they are fragile
    If it is well and truly blocked, and you use the DC inside your shed, chances are that cleaning it might induce some fine leaks - ie may not be worth it.
    If DC is outside shed...
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    One problem with matching with any putty with...

    One problem with matching with any putty with that wood, is the wood is streaked whereas the putty is uniform so it will never look right if just putty is used.

    If you watch the ABC Repair Shop...
  48. Thread: Shed leaks!

    by BobL
    Replies
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    1,003

    My thoughts precisely. I think I might get the...

    My thoughts precisely. I think I might get the larger flashing made up anyway. I hat the thought of all teh drills on my drill bit stand getting rusty again.
  49. Thread: Shed leaks!

    by BobL
    Replies
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    1,003

    This morning we hd about 10mm in about 3 hours -...

    This morning we hd about 10mm in about 3 hours - no leaks YAY!
    My drill bits are dry.
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    Given there were no definitive viral tests in the...

    Given there were no definitive viral tests in the early 1900's, the 500 million numbers are very rubbery. Remember many people that get Covid19 are asymptomatic (2 of my elderly Italian and one...
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