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Type: Posts; User: Chas

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  1. Replies
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    You can ensure the oil you buy is non-corrosive...

    You can ensure the oil you buy is non-corrosive to copper based alloys if it is specified GL-4. Avoid GL-5 oils.

    Chas.
  2. Thread: Cast repair

    by Chas
    Replies
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    4,152

    Hello Greg, Thanks for updating my knowledge, my...

    Hello Greg,
    Thanks for updating my knowledge, my welding experience is limited to OA and Stick. Tig is not something I have ever used.

    Chas.
  3. Thread: Cast repair

    by Chas
    Replies
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    4,152

    I am somewhat surprised at the several...

    I am somewhat surprised at the several recommendations for silicon bronze in this scenario. When I did the 2Yr Advanced Oxy Acetylene Welding course at a NSW Technical College (now TAFE), the...
  4. Replies
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    Amen to to the opinion and advice offered by...

    Amen to to the opinion and advice offered by China. Try to ensure the brazing is carried out using manganese bronze filler rod. Perhaps Grahame Collins might care to offer further suggestions....
  5. I would use an oxy/acetylene cutter to remove the...

    I would use an oxy/acetylene cutter to remove the core slug. A #15 tip would cut that thickness material; you would need to drill a single hole on the pitch circle of the cutout, then begin the...
  6. Thread: Scary welder

    by Chas
    Replies
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    1,400

    It's hard to tell from the picture, but it looks...

    It's hard to tell from the picture, but it looks like an old "Samson" brand welder. I had one offered to me for sale S/H in the 1960s, but bought an EMF Transarc 200 instead from the seller. The...
  7. Replies
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    2,849

    The chips from the machining look different from...

    The chips from the machining look different from my experience with grey cast iron. I suspect the cranks are cast from spheroidal graphite (SG) cast iron which is a legitimate and common material...
  8. Replies
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    It might be possible to cut the stud out of the...

    It might be possible to cut the stud out of the centre of the nut by using an end-mill of the same size as the stud and held in an electric drill. As the stud is heat treated, this will not be easy....
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    I totally agree, except that a slightly blunt...

    I totally agree, except that a slightly blunt chisel will be better if you are trying to undo the nut rather than split it. Another way, provided that you can remove the brake caliper with the wheel...
  10. Replies
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    43,507

    4" mini electric chainsaw from China, beware!

    I recently ordered an unbranded 4" 550w 24V handheld mini chainsaw from an ebay seller which was Chinese but listed as "Australian stock". The item arrived after about a week, and required assembly...
  11. Replies
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    Thanks QC, Typo duly noted and corrected. Chas.

    Thanks QC, Typo duly noted and corrected.

    Chas.
  12. Replies
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    43,507

    I ordered a replacement Husqvarna chainsaw...

    I ordered a replacement Husqvarna chainsaw clutch cover for my S.I.L on 27/01/2021 and it arrived on Thursday 11/03/2021. It is slightly different from the ebay picture, but I think it is the...
  13. Replies
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    6,217

    Feel free, I am glad you have found the photo...

    Feel free, I am glad you have found the photo useful. I think the colour was slightly brighter when new, but now looks darker due to imbedded grime.

    Chas
  14. Replies
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    6,217

    As requested. Chas. 390039

    As requested.

    Chas.


    390039
  15. Replies
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    My 5'' offset CI Joplin came new in the late...

    My 5'' offset CI Joplin came new in the late 1950's painted orange. That was the normal colour for that period.

    Chas.
  16. Replies
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    From the picture of the charger, the word...

    From the picture of the charger, the word "AUTOMATIC" across the front might be a clue. Most automatic chargers will only output a charging current if connected to a battery which has a voltage...
  17. I am having a problem with (2) for the simple...

    I am having a problem with (2) for the simple reason that acetylene cylinders are by law manufactured with one or more fusible plugs which are designed to ensure that the scenario you describe does...
  18. Replies
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    Some specialty steel supplies like Bohler...

    Some specialty steel supplies like Bohler Uddeholm who have a large set of shelves with a reasonable collection of speciality short pieces for sale.[/QUOTE]

    Bob, if you have access to BU at the...
  19. Replies
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    Well, my Moore & Wright #961 does not have...

    Well, my Moore & Wright #961 does not have carbide anvils, but I wouldn't call it "cheap or nasty". It has served me well over a lifetime, as has an M&W 0-4" adjustable mic, also without carbide...
  20. Replies
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    In the US the older standard colours for AC line...

    In the US the older standard colours for AC line cords was black active, white neutral, and green earth. As far as I recall, DC has always been red+ and black-.

    Chas.
  21. Replies
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    You will find that chainsaw bar oil which...

    You will find that chainsaw bar oil which contains a tackifier will be more than suitable as a way oil. It is available in one litre quantities for around $10.

    Chas.
  22. Replies
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    15A Plug to 10A Socket (Again)

    Hello All,
    This weeks Aldi catalogue (P16) has a solution for those who see a need to connect 15A rated tools and devices to a 10A socket. As this "15A-10A Safety Adapter" is for sale as a...
  23. Thread: 17 tpi thread

    by Chas
    Replies
    24
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    10,325

    Pipeclay is correct, a 24/51 gear combination...

    Pipeclay is correct, a 24/51 gear combination will give you 17 TPI. As far a I can determine, Hercus did not have a 51 tooth gear in their parts list, so you will need to find a custom made one if...
  24. Replies
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    I have one of approximately that vintage, and the...

    I have one of approximately that vintage, and the spindle threads are 5/8"-18 TPI NF thread.

    Chas
  25. Replies
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    Aldi had a product on their periodic specials...

    Aldi had a product on their periodic specials which might be suitable. It is called Deco Style Transparent Protection Spray, in a 384g rattle can. It promises "perfect protection for metal, wood and...
  26. Replies
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    5,847

    Then i won tattslotto... the wind changed, lucky...

    Then i won tattslotto... the wind changed, lucky for me but not for the poor buggers that lived in chum creek.
    As the fire took off up that valley the relative silence was punctuated by exploding LP...
  27. It turned out that someone had turned off the...

    It turned out that someone had turned off the steam supply to the tank and the chocolate had set stopping the mixer blades and in turn the motor and causing it to burn out.

    There were three of...
  28. Replies
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    4,683

    I suggest you avoid placing the lathe in line...

    I suggest you avoid placing the lathe in line with the N/S terrestial magnetic lines of force at your location if possible. The result will otherwise be that everything ferrous that you turn will...
  29. Replies
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    4,778

    Can't help about the ties, but there is a...

    Can't help about the ties, but there is a possibility the router is powered by 400HZ which was popular in the WW2 period. The motor certainly looks like an induction motor.

    Chas.
  30. Replies
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    [QUOTE=Hunch;1948097]Is the black soot really...

    [QUOTE=Hunch;1948097]Is the black soot really avoidable? Still have to put up with it at the beginning in any event. /QUOTE]

    To avoid this, contained in the Linde Air Products book 'The...
  31. Caskwarrior, It might be worth a call to Mick...

    Caskwarrior, It might be worth a call to Mick Moyle's in Sydney. They have all kind of stuff, both new & SH.

    Chas.
  32. Replies
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    Could you please provide a reference for this...

    Could you please provide a reference for this oft-quoted statement? My copy of AS/NZ 3018-2001 'Electrical Installations - Domestic Installations' has on p62 a Table 6-1 "Guidance on the number of...
  33. Replies
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    I would just cut a suitable groove (6mm?) across...

    I would just cut a suitable groove (6mm?) across the face of the protector and use a piece of the same sized bar in the groove to unscrew the protector. Not pretty, but simple and guaranteed to...
  34. Thread: Gloves at work

    by Chas
    Replies
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    14,823

    In my early life involving Technical College (now...

    In my early life involving Technical College (now TAFE) and metal working trades, the combination of gloves and grinders was strictly forbidden. It is so easy for a glove to catch between a tool...
  35. Replies
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    Thanks for the information, Bob. It is always...

    Thanks for the information, Bob. It is always good to learn something new. My remarks were in the context of a woodworking bandsaw, due in part to what appears to be a layer of sawdust on the motor...
  36. Replies
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    12,804

    I'm not sure why you have so much enthusiasm for...

    I'm not sure why you have so much enthusiasm for a VFD on a bandsaw. Surely, unlike a lathe, mill or drill, there is no compensation required for the size of the work or cutter. I would suggest...
  37. Replies
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    You will need an extra 140mm minimum clearance...

    You will need an extra 140mm minimum clearance between a wall and the headstock cover in order to be able to open it.

    Chas.
  38. Thread: No mess cast iron

    by Chas
    Replies
    4
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    1,322

    I concur. Chas.

    I concur.

    Chas.
  39. Thread: Burst Capacitor

    by Chas
    Replies
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    3,075

    The ruptured capacitor network is an EMI filter...

    The ruptured capacitor network is an EMI filter to limit electrical noise being fed back into the mains. The operation of the motor is not dependent on it, the manufacturer has probably included it...
  40. Replies
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    3,794

    Bob, I would be surprised if the motor shown is...

    Bob, I would be surprised if the motor shown is more than 1HP. I think your assumption of 20% losses for inefficiencies is being rather conservative, given the class of motor and the fact that it is...
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    Hello Joe, You will find it easier to perform a...

    Hello Joe,
    You will find it easier to perform a downhand fusion weld on CI if you are able to incline the work at about 30 degrees up from horizontal. This keeps the top of the weld pool...
  42. Replies
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    Hello BaronJ, I think your interpretation of...

    Hello BaronJ,

    I think your interpretation of what you describe as a folding crank handle on the magneto in pic#3 may be incorrect. That looks like the normal end cover retainer which consists of...
  43. Thread: oil

    by Chas
    Replies
    5
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    2,922

    Wouldn't that be ISO 68, which is roughly...

    Wouldn't that be ISO 68, which is roughly equivalent to SAE 20? I am not aware of any SAE grade 68.

    Chas..
  44. Replies
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    Up to the 1960's, red was the designated colour...

    Up to the 1960's, red was the designated colour for AC earth wiring in Germany. Perhaps the wire on that VFD had its origins in that country, or someone from there?

    Chas.
  45. Replies
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    [QUOTE=StrayAlien;1933465]Chas, thanks. No delta...

    [QUOTE=StrayAlien;1933465]Chas, thanks. No delta in there? Is that what you mean?

    Yes, no delta option; the motor is wired either 440V star (HI Voltage) or 220V star (Lo Voltage). I would think...
  46. Replies
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    5,697

    According to my understanding of the motor...

    According to my understanding of the motor connection diagrams on the nameplate, the motor is star connected for either 440V or 220V. The windings to (7), (8), and (9) are internally connected...
  47. Replies
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    Two weeks???; I wish. I am still waiting for an...

    Two weeks???; I wish. I am still waiting for an item shipped from China which according to tracking, arrived in Melbourne on 4th December. Unfortunately, Australia is one of the very few countries...
  48. Replies
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    According to the Richardson sales brochure,...

    According to the Richardson sales brochure, speeds for a standard machine are 350, 650, 1100, 2000, 3500, and 5500 rpm. Sterling and Richardson machines are identical, this was a badge-engineered...
  49. Hello Ross, I have to ask, why are you so...

    Hello Ross,

    I have to ask, why are you so eager to replace the oil in the welder? Shell Diala B Transformer Oil was an industry standard for decades, and the fact that it is "obsolete" probably...
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    The "Trash & Treasure" market at Prestons has...

    The "Trash & Treasure" market at Prestons has recently closed to become a housing development. Many of the sellers have moved to the Sunday Market at the Blacktown Drive-In Cinema site near the...
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