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Type: Posts; User: BobL

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  1. Replies
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    I was right into leather work in the 1970's. Made...

    I was right into leather work in the 1970's. Made quite a few belts, purses, wallets, and even pair of moccasins.

    About a decade ago I have made some utilitarian axe head covers and a draw knife...
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    Thanks Paul, a back of the envelope calc works...

    Thanks Paul, a back of the envelope calc works out to about 2.5kg of lead.

    Another way I have seen to weight wooden wheel perimeters was to drill holes into sides of the wheels outer perimeter...
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    Very Interesting and Clever Paul. How deep was...

    Very Interesting and Clever Paul.
    How deep was the recess into which the lead was poured?
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    https://www.woodworkforums.com/f258 And while...

    https://www.woodworkforums.com/f258

    And while I was at it I moved this thread into that forum. :)
  5. Thread: My shed leaks

    by BobL
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    The newer section of my shed has a fall of 300mm...

    The newer section of my shed has a fall of 300mm in 6m (1:20) and although it has flashing all round if enough leaves and crap build up they form a little dam about 1/2 way along one of the long...
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    I can do that for you - PM me with details.

    I can do that for you - PM me with details.
  7. That box houses 2 capacitors (Run and start...

    That box houses 2 capacitors (Run and start capacitors) and the terminal block connectors.

    I have replaced several damaged ones of these with ABS boxes from Jaycar. You will have to drill your own...
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    Low Budget level VFD

    A mate of mine asked me if I would help him convert his 3P Hercus to SP plus VFD.
    The motor was star connected so step one was to convert to delta.

    I then asked him whether he would like to go...
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    I agree, FB as repository for knowledge its...

    I agree, FB as repository for knowledge its complete rubbish but as so many people use it - it's hard to get away from if you want to be in contact with some groups. I encouraged the WA mens shed...
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    Neat! If you fitted a photo sensor on the...

    Neat!

    If you fitted a photo sensor on the outside, say 3/4 of the way up the transparent slot, it could sound an alarm to tell you to empty it.
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    Agree with all of the above. Big congrats to...

    Agree with all of the above.

    Big congrats to those running the show.
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    Thinish (19 - 25mm) thick strips placed between...

    Thinish (19 - 25mm) thick strips placed between cut slabs/boards to enable air to circulate between them to assist cir circulation for drying.

    The stickers should all be the same thickness....
  13. Thread: Mmxx

    by BobL
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    I'd say one of the most likely things is maybe...

    I'd say one of the most likely things is maybe the year we decided to take on China?

    OTOH it might be the year to "forget"?

    This is because it's true. I'm not saying that everyones like this...
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    It's not just the bearings, it's the fact that...

    It's not just the bearings, it's the fact that "morse tapers" are commonly used to hold chucks on most drill presses. They are OK on things like a sanding drum which is usually a smooth operation but...
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    Back in 2013 I used truck mug guard bristles...

    Back in 2013 I used truck mug guard bristles (wheel whiskers) around my OH TS guard.
    see here ...
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    Yeah. not many free lunches in DC . :D

    Yeah. not many free lunches in DC . :D
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    Unfortunately that DC the impeller is too small...

    Unfortunately that DC the impeller is too small so using short lengths of 4" ducting is never going to draw more than 425 CFM through that size ducting and adding any cyclone is going to make it...
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    Good mod Derek. From what I can see there is...

    Good mod Derek.

    From what I can see there is still a large load on two very short threads through the fence attachment plate.

    To get around this I suggest using larger countersunk screws that...
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    The way I purchase wholesale from Powtran is thru...

    The way I purchase wholesale from Powtran is thru Nicole from Powtran and do it all by email. You have to know exactly what you want and email Nicole and ask for a quote for specific model(s) and for...
  20. Thread: LED fluro tubes

    by BobL
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    LED lights - normally have a transparent...

    LED lights
    - normally have a transparent plastic (polycarbonate) outer shell. Tapping them with a metal key will make a "chack" rather than a "chink" sound.
    - will come on instantaneously
    - are...
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    Just to be clear, my impeller is not a Clearvue,...

    Just to be clear, my impeller is not a Clearvue, Its just a generic 13" impeller originally fitted with a 3HP motor but I fitted a 4HP 3P so I could run it at 60Hz.
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    About 25 years ago SWMBO convinced me to have a...

    About 25 years ago SWMBO convinced me to have a hearing test and was found to have significant loss in one ear and some moderate loss in the other - it was all at higher frequencies which explained...
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    I also just tried @60Hz and the current increases...

    I also just tried @60Hz and the current increases by about 0.4A
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    They're currently not able to work with PayPal.

    They're currently not able to work with PayPal.
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    474059474059 I picked up several 1950's and...

    474059474059

    I picked up several 1950's and 60's era TS over the last few years for the mens shed and several of those used a short fence.

    After couple of mens members experienced kickback on...
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    The Vector drive has to be enabled by the program...

    The Vector drive has to be enabled by the program AND some sort of motor auto tune has to be run.

    Maybe go the Powtran.

    Personally I would go for the PI9000 series rather than their budget...
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    Sorry it wasn't - you'd have to look at this one....

    Sorry it wasn't - you'd have to look at this one.
    0.75kw/1HP 5A 240V AC single phase variable frequency drive inverter
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    It depends on the flow or more specifically the...

    It depends on the flow or more specifically the pressure at the collection point. With a smaller DC at the end of a long run of ducting ie lower/pressure flow it might not be possible to pick up any...
  29. Thread: Air Filter units

    by BobL
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    That will work for the dust and paint particles...

    That will work for the dust and paint particles but as long as you are aware that this will not work for paint solvents in gaseous form and noxious gasses that welding generates which will go...
  30. Thread: Air Filter units

    by BobL
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    PM2 filters are by definition >95%, to be sure of...

    PM2 filters are by definition >95%, to be sure of getting 99% you will need a P3 type filter.

    The 85% will be with the "unconditioned" filter, as the filter picks up dust its filter efficiency...
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    Fire - not good :C:C:C How did it happen? What...

    Fire - not good :C:C:C How did it happen?
    What actually caught fire - this could be really important - PM me or give me a call if you don't want to discuss it in the open forum.




    The VFD...
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    I've used a piece of Al extrusion attached to my...

    I've used a piece of Al extrusion attached to my fence in the manner described above for quite a few years.

    More of a description in my upgrade to my TS OH guard and dust collection thread....
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    I've written the following on numerous occasions...

    I've written the following on numerous occasions but seeing as you are relatively new I will repeat it again.

    Small 3rd party cyclones on small DCs have two significant problems in regards fine...
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    Thanks - I forgot to say that all the fabrics...

    Thanks - I forgot to say that all the fabrics came from SWMBO's stash, but she had to buy the stuff in between the two outer layers. Usually she makes this out of an old woollen blanket but this can...
  35. Thread: Air Filter units

    by BobL
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    What size/specs is the DC and the ducting? If the...

    What size/specs is the DC and the ducting? If the dust collector is powerful enough and you are using 6" ducting and Bell Mouth Hood collection there should be no need to use a room air filter....
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    SWMBO's latest effort

    Normally I wouldn't be caught dead in this forum but SWMBO just finished her latest quilt and it's a real beauty. I also happened to have a small input into some colour and design aspects I thought I...
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    The DOP (Dispersed Oil Particulate) method of...

    The DOP (Dispersed Oil Particulate) method of generating submicron test particles for super fine filter testing has been around for many decades, certainly from when I started working in labs in the...
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    They should be shorted out before tackling them....

    They should be shorted out before tackling them. The ideal thing is a 10W ceramic power resistor - looks like a small block of chalk with two leads.
    Make sure power is off - removed power cord from...
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    The best DC noise supression is to locate it...

    The best DC noise supression is to locate it outside the shed.
    That way if it ever leaks the dust won't fill the shed.
    It depends on the size of a shed and if there's a spot outside when it can be...
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    Retic and roots question

    Found one of the 20mm retic branches in the side garden had a major leak.

    Pipe was laid about 20 years ago when adjacent tree was the diameter of a forearm.
    Now a large root (R) has grown under...
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    It sounds ds like the start cap is on on its way...

    It sounds ds like the start cap is on on its way out. a bit of damp/moisture prevents it start quickly the first time but then its warmed up enough to start the other times. Caps, even newish ones,...
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    I was going to wait until I had finished my...

    I was going to wait until I had finished my Dispersed Oil Generator (DOP Dispersed Oil Particle generator) to generate enough fine particles so I could accurately test the P3 filter that EJ sent to...
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    My projects are usually quite "fluid". I...

    My projects are usually quite "fluid".

    I usually start by imagining projects in my head as a series of independent steps (usually in bed when I can't sleep), over for several days. I repeatedly...
  44. Just a heads up that the impellers on the DC7 and...

    Just a heads up that the impellers on the DC7 and DC3 are the same size and rotate at the same RPM so nominally pull the same amount of air.
    Just the 3 V 2 HP doesn't really make a difference to the...
  45. Have order two things from China. The first item...

    Have order two things from China.
    The first item was ordered 9 weeks and is still not arrived.

    The other was ordered in mid April and supplier contacted me 3 days after the ebay order went...
  46. If you mean my fume hood, remember I'm sitting or...

    If you mean my fume hood, remember I'm sitting or standing outside the fume hood and the extractor fan is at the back of the fume hood so the fumes are not going straight up past my face but upwards...
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    A few years back I was at the other place buying...

    A few years back I was at the other place buying 6m of 6" flex for the mens shed. As he handed it over the salesman said "as it was the end of the roll I've given you about 300mm extra for free", but...
  48. It depends on the size of the table but most...

    It depends on the size of the table but most problems are usually because of the issues I described in my previous post, holes too small, wrongly positioned so they get mostly covered up etc.

    If a...
  49. The only wood work downdraft table I have used...

    The only wood work downdraft table I have used was about 15 years ago and it was a 600 x 600 mm commercial unit in a Luthiers workshop. It was designed for small parts and invariably that involved...
  50. Good to hear - the following is near ultimate...

    Good to hear - the following is near ultimate nerdy dust control but we used it in the labs for mild acid vapour control so I thought I would mention it.

    With the workshop being negatively...
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