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Type: Posts; User: nadroj

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    I thought that was Dreadnaught. :) Jordan

    I thought that was Dreadnaught. :)

    Jordan
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    I'm in the UK at present. We have a Huskvarna...

    I'm in the UK at present. We have a Huskvarna 230V mower here. It's 34cm and 1.5kW.
    It seems to be the standard type of mower, petrol being in the minority.
    They seem to work fine on the soft green...
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    Water isn't compressable like air. The result...

    Water isn't compressable like air. The result would be like solid wheels.

    Jordan
  4. Thread: QCTP brand ?

    by nadroj
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    Nice score! I agree that Rapid is an Italian...

    Nice score!

    I agree that Rapid is an Italian brand of Dickson style toolpost.
    Somewhere at home I have a brochure for them, that I got from Demco Machinery in Sydney eons ago.
    I was very...
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    Hi there, Country Kid I'm not with you about...

    Hi there, Country Kid

    I'm not with you about the head being matched to the bed.
    They both have V-ways (a nice feature as it ensures alignment) which rules out shimming for fit I think.
    In fact,...
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    Sick of low quality "easy burst" tyres & tubes, I...

    Sick of low quality "easy burst" tyres & tubes, I bought a non-pneumatic "spongey" wheelbarrow tyre for $30.
    It's OK, stays round even if left with a load on it for days. A little more rolling...
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    Is that "Big Wheels and Little Wheels" ? Jordan

    Is that "Big Wheels and Little Wheels" ?

    Jordan
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    How does it compare to old Ford axles? Jordan

    How does it compare to old Ford axles?

    Jordan
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    My selfish regret about the disappearance of...

    My selfish regret about the disappearance of Holdens and Falcons, is that they are rear wheel drive cars that I can afford.
    In future, I'll be forced to drive horrid front drive cars.
    All the elite...
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    Some more recent Australian innovations: WiFi...

    Some more recent Australian innovations:

    WiFi
    Altium (originally Protel) PCB design software <https://en.wikipedia.org/wiki/Altium>
    The world's fastest ferries.

    Not all hopeless!

    Jordan
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    A = Model A R = Roller bearing spindle Jordan

    A = Model A
    R = Roller bearing spindle

    Jordan
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    I heard that Siddon originally used re-forged...

    I heard that Siddon originally used re-forged Ford front axles to make spanners.
    They were reportedly chrome-moly steel, not made in Oz at the time.

    I like the cute Hughes helicopter.

    Jordan
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    Unusual for the 9 inch models, but they were an...

    Unusual for the 9 inch models, but they were an option. That's good news, isn't it?
    The later model 260 was the other way around - usually metric but available in imperial (leadscrew etc).

    Jordan
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    I used to have a policy of only buying the best...

    I used to have a policy of only buying the best tools I could afford.
    Then I was burgled.

    Jordan
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    Just a long shot, but might be worth checking:...

    Just a long shot, but might be worth checking:
    Some lathes are provided with a threaded hole that an eye bolt can be screwed into, somewhere along the bed.

    Jordan
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    I don't think that's correct, Peter. I saw an...

    I don't think that's correct, Peter.
    I saw an episode of the excellent TV show, "The Checkout", where they showed that it's not absolutely necessary to have the receipt, as other evidence of where...
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    Hallelujah - well done. A friend had a Hercus...

    Hallelujah - well done.

    A friend had a Hercus 260 stuck chuck problem that didn't have such a happy ending.
    He removed the spindle from the headstock and thought he'd get away with gripping it in...
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    I have a Walker-Turner very similar to this,...

    I have a Walker-Turner very similar to this, except floor mounted and different style table. Yours also has the intermediate pulley, an option missing on mine. The column is solid, super heavy. It's...
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    They look effective on softwood. Any evidence...

    They look effective on softwood. Any evidence they work with Eucalyptus?
    Seems risky anyhow.

    Jordan
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    In the coal industry, big seives were in the form...

    In the coal industry, big seives were in the form of large screened platforms, suspended by 4 cables.
    Attached to a platform was a big gearbox with heavy, contra-rotating shafts. They were designed...
  21. Another source of gal pipes and fittings is...

    Another source of gal pipes and fittings is suppliers of fire sprinkler equipment.
    I bought some 45 degree elbows in BSP 1" from one for a very reasonable price a few months back.

    Jordan
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    The teeth on the jaws are eliptical, rather than...

    The teeth on the jaws are eliptical, rather than the usual crescent shape, to enable that.
    You will find there's a particular sequence when loading the numbered jaws to the scroll, and it's...
  23. Thread: Keyway in shaft

    by nadroj
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    Yes, I've seen it many times. For example, that's...

    Yes, I've seen it many times. For example, that's how car ignition distributors usually had the driving parts at the bottom attached.
    Also, many parts on machine tools, like handwheels, are fitted...
  24. Thread: Keyway in shaft

    by nadroj
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    An alternative to a sunk key could be to use a...

    An alternative to a sunk key could be to use a roll pin, through a hole drilled right through the pulley and shaft.
    That would have an advantage in that it wouldn't rely on a nut alone, to ensure it...
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    The chuck looks a lot like the one fitted to a...

    The chuck looks a lot like the one fitted to a Unimat3 lathe, made by Emco.
    Its thread in that case would be 14mm x 1mm pitch.
    The similar chuck for earlier Unimat lathes were 12 x 1, and have a...
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    Article on machining a slotted cross slide from a...

    Article on machining a slotted cross slide from a casting here: http://tinyurl.com/o6sl2hv
    South Bend, like Hercus.

    Jordan
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    Some suggestions for removing stuck threaded...

    Some suggestions for removing stuck threaded chucks here: http://tinyurl.com/37znlsc

    Jordan
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    Worked for me a couple of times. :) Jordan

    Worked for me a couple of times. :)

    Jordan
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    Is there anything on the other end of the spindle...

    Is there anything on the other end of the spindle that could be gripped?

    Jordan
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    Maybe a quickly adjustable, like a Norman patent...

    Maybe a quickly adjustable, like a Norman patent toolpost, dedicated for parting off use?

    Jordan
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    Thanks BaronJ, That fits more with what I've...

    Thanks BaronJ,
    That fits more with what I've read in text books, and how I do it - having some back rake for an easier slicing action.
    Interesting that it's still quite effective even with no back...
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    Thanks BaronJ, Good to have confirmation that it...

    Thanks BaronJ,
    Good to have confirmation that it works well as is.

    Jordan
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    So, the blade is used as is, without grinding...

    So, the blade is used as is, without grinding before use?
    Most parting blades I've seen don't have a level "top" edge though. Rather they have a bevel all along one edge, or the whole top is at an...
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    Congratulations, that's a neat job. One thing...

    Congratulations, that's a neat job.
    One thing puzzles me - is it possible to adjust the tool height?
    Or is it not so important to worry about?

    Jordan
  35. Thanks Michael, It's interesting to know that...

    Thanks Michael,

    It's interesting to know that plunge screwcutting can be nicely done.
    I think I'll stick to setting over the top slide and cutting from one side though. It works well and with...
  36. Is it possible to do a nice clean thread by...

    Is it possible to do a nice clean thread by plunging?
    I tried it once and made a mess of it.
    Being a lazy amateur, I'd suggest it's much easier to do a one-sided cut with top slide angled.

    Jordan
  37. I've never trusted myself to rely on formulas to...

    I've never trusted myself to rely on formulas to do thread cutting. My hand ground HSS toolbits don't follow standard thread form rules, I just slightly round the point. So, book formulas wouldn't...
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    South Bend clone

    Ebay 201355672509

    Just for interest - on UK ebay, lots of photos.
    Interesting to see similarities & differences to a cousin of the Hercus 9 inch.

    Jordan
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    Hi Bob, Is the +85mm motor the TECO or the...

    Hi Bob,

    Is the +85mm motor the TECO or the ASEA?

    Jordan
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    For MT mounts, reminder to check your drawbar...

    For MT mounts, reminder to check your drawbar thread, and get the arbor to suit. Could be inch or metric.

    Jordan
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    With respect, I'm with Ken. Hercus lathes are...

    With respect, I'm with Ken. Hercus lathes are great for their size. We are talking lightweight lathes at the moment.
    I'm prejudiced though, having two of them (and a bigger Harrison coming along).
    ...
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    A good thing about Hercus is the availability of...

    A good thing about Hercus is the availability of parts and accessories, well certain of them anyway.
    For example, need a backing plate for a new chuck? They're made new in Sydney and elsewhere....
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    A good Hercus 9A or 260A is a great option for a...

    A good Hercus 9A or 260A is a great option for a small lathe, even today.
    Most 9s are imperial, most 260s metric, but can be the other way around, and this affects the needed change gears.
    For a...
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    A possible solution? I recently discovered...

    A possible solution?

    I recently discovered there are made for greenhouses, automatic window openers that are heat-operated.
    They are available in Europe and I suppose elsewhere. Cheap on ebay.
    I...
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    The factory brochure says the thread is UNS,...

    The factory brochure says the thread is UNS, which sounds American. Jordan
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    Fair comment if you're an elitist, but you might...

    Fair comment if you're an elitist, but you might just need a cheap drill press.

    Jordan
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    Looks like an inappropriate use of cast iron. If...

    Looks like an inappropriate use of cast iron.
    If you were after a drill press, make an offer for it and make a steel ring upgrade.
    I've done this a couple of times at Bunnings - they want to move...
  48. Helicopter rotors turn in one particular...

    Helicopter rotors turn in one particular direction, except if they're French.

    Jordan
  49. Depends on how many gears are in the train...

    Depends on how many gears are in the train between stud gear and screw gear, which can vary.

    Jordan
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    I think of a vertical slotting machine as a...

    I think of a vertical slotting machine as a shaper that is optimised for making slots, keyways, splines etc.
    It's easier to mount work flat on a table, when gravity is helping you, compared with an...
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