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Type: Posts; User: morrisman

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    Bins

    Some of the engineering places will let you go through their scrap bins but many will not. Things have changed a lot because of the OHS rules and other potential legal pitfalls. They are very...
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    Gunsmithing skills on display 1969

    https://www.youtube.com/watch?v=X_O1-chxAdk
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    Ok

    Thanks for the links . BTW I have the same power hacksaw, your example has a faster cutting stroke than mine does. Would this be the motor RPMs ? They were made in Taiwan and sold under different...
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    Good

    This is your lathe.. very nice https://www.practicalmachinist.com/vb/okuma/lp-okuma-lathe-clean-up-repair-325859/

    Didn't know other lathes used the Kopp. I had seen the Practical machinist...
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    Ok

    Thanks for your help. Yes it is 5/16 not 3/16

    I have contacted a mob in the UK , will see how it goes. Edit: supplier in the UK can air mail a new bearing out 56 UK pounds.
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    XLS2 bearing

    I just discovered the ball bearing inside the toothed input pulley is stuffed , it is a XLS2 bearing with a OD of 3 and 3/16" ID of 2" and width of 5/8"

    Had a look online and the bearing was made...
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    tab

    Yes this example I have has the early locking tab style washer. Reading reports from other owners, older Chipmasters do have an issue in the form of badly leaky headstocks , there are about ten O...
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    Chipmaster cleanup

    Been cleaning up the 1963 Chipmaster lathe. 60 years of neglect and dirt / crud . Disassembled the headstock - not many parts in it. Complicated front spindle bearing which costs a fortune to replace...
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    Gauge

    Is this loco 5 foot 3 inch gauge ?

    South Aust. had a mix of gauges for some reason.
  10. MOre

    The allfast mob in N.Z.... turns out they are a wholesaler to the trade and they are not interested in a backyard hobby person.

    I think I can source some 1045 from ABC metals in Hallam, they are...
  11. Good

    They will do the job. :2tsup:

    The image shows the steering setup . The pre-load spindle setup using the shims is a critical adjustment on these old Jeeps , if not set up correctly the steering...
  12. Yep thanks

    Yes I did find those last night - But I am not sure about the 'bright' grade . Do they mean mild steel I wonder. I guess I could ask them.

    Would 303 grade stainless be an option ? Problem is...
  13. NUT, hex., S., %-24NF-2 (steering arm stud).

    Hi

    I need to make some special 3/8 UNF 'deep' nuts for a Jeep project. The steering knuckle studs require long or deep nuts , around .5" in length.

    The originals are corroded and I am guessing...
  14. Hi The forum member from Canberra 'Ueee'...

    Hi

    The forum member from Canberra 'Ueee' made some of the ratchet gears some years ago.. he sent me (and others) a new ratchet gear for the Douglas shaper .

    Unfortunately he hasn't posted on...
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    Lathe finishing tool

    Found this in a 1942 Machine shop book.
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    Blueprint

    Would it be possible to ' blueprint' the gearbox of a 45 drill/mill in order to quieten it down and at the same time reduce the associated vibrations ?
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    Help

    https://www.hschmidt.com/qa/achieve-high-quality-flat-surface-grinding-results/

    https://www.mscdirect.com/betterMRO/metalworking/how-master-your-surface-grinding-machining-operation
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    Dana Spicer history

    https://www.dana.com.au/downloads/dana-complete-history.pdf

    Interesting read.
  19. Thread: Kerry Lathe

    by morrisman
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    more

    More info:

    https://localhistory.kingston.vic.gov.au/articles/683
  20. Thread: Kerry Lathe

    by morrisman
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    Another

    Looks like a good buy except this particular one has a threaded spindle nose :(( the version with the L00 nose would be more desirable to own. Seems that the ex-tech. school examples that turn up for...
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    Blacksmith's dog

    I got a dog from a blacksmith but the dog had a behavioral issue - it always wanted to make a bolt for the door 😂
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    SG Iron

    https://www.sciencedirect.com/topics/engineering/nodular-iron

    Nodular (spheroidal graphite) cast iron

    Nodular iron is also called ductile iron. The graphite is present as tiny balls or...
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    From the same series: This video shows a furnace...

    From the same series: This video shows a furnace that is melting scrap metal down for casting into truck suspension bogies https://www.youtube.com/watch?v=5JrVpAddSYI

    THE Ebay retailers of these...
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    Yes

    Yes very true. And those chaps don't stand around talking that much, it is flat out work . They probably get paid on a piece rate , the more you produce the more you are paid which would be a...
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    Metallurgy

    I would like to know what the grade of alloy is the cranks are cast with - for all we know it could be recycled engine blocks, whatever it is it appears to machine easily.

    There must be a great...
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    Machining in Southern Asia

    These guys are amazing - and it is all done with basic tooling. The chips are flying: it looks like a cast iron crankshaft ? https://www.youtube.com/watch?v=-inYCr-fV3Q

    Then again. I have...
  27. Thread: Fuel bowser

    by morrisman
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    Strange

    What seems odd is the LEADED marking. Back then petrol was either SUPER or STANDARD and it was all leaded, no need to mark a pump with a LEADED sign ! Maybe those markings are a later modification...
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    Ok

    OK yes, basically, that is the method the article I linked to is describing.

    Somebody on a forum described a method of testing the advance curve using a dual trace oscilloscope, he compared the...
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    curve

    Found this may be helpful

    https://forums.jag-lovers.com/t/xk-distributor-advance-curce-tester-made-from-guiness-beer-can/293280

    Build Your Own Distributor Test Machine For Under $100
    ...
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    Distributor advance curve

    hi

    I need to test or calibrate a vintage automotive distributor advance curve against the specs. , this is a mechanical advance only, no vacuum involved . There are two weights and springs that...
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    Corners

    If I need a very sharp corner in flat bar I cut the bar half way through and the bar will naturally bend along the cut. I then solder, weld or braze fill the outside corner notch and file it square....
  32. Thread: Churchill.

    by morrisman
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    W2 Greece

    And Churchill was the instigator of the 1941 Greece debacle where many Australian/NZ troops and much equipment were lost after the Germans overran Greece. One of the many captured Australians was my...
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    Sip

    The hobby level SIP MIG machines have a terrible reputation. A quick Google search will bring up many owners reporting problems.

    I have a hobby level SIP Coppermate...made in Italy. it's a bit...
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    That is a convenient location: get off the train,...

    That is a convenient location: get off the train, walk over and buy your steel :2tsup:
  35. Thread: Confusion

    by morrisman
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    info

    The data sheet says not to use it in contact with any additives: maybe your coolant additive messed up the #1 stuff

    https://www.permatex.com/wp-content/uploads/tech_docs/tds/80008.pdf

    The #3...
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    Dm45

    Hi

    I have a DM45 that came new from Standaco the machinery dealers in Melbourne

    It's been a OK machine , the R8 tooling system has performed well.

    The gearbox noise is excessive, it rattles...
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    Thread

    Bob Very useful tips there ! I think you are using 3/8 chain mostly ? I use .325 and 3/8 LP chains , I have a MS250 and a little MS170 . I found this thread helpful ...
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    chains

    When it comes to sharpening chainsaw chains, I get the best results with a simple round file, no guides involved. The professional tree fellers ( at least the ones I have seen ) generally don't...
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    hi I think 1/2" BSW is 12 TPI 1/2" BSF...

    hi I think

    1/2" BSW is 12 TPI

    1/2" BSF is 16 TPI
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    Thanks

    Yes, some kind of backing and a high count multi toothed saw is what I am leaning towards.

    This is a good write up on the etching process...
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    Cutting thin brass sheet

    Hi

    I have a length 200mm wide brass sheet which is .6mm thick. I need to cut the sheet down to precise sizes , 80mm x 80mm. Can't use snips as this will distort the edges. Somebody suggested...
  42. Thread: drill doctor

    by morrisman
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    Stefan

    Stefan Gotteswinter on utube demonstrates his simple method of free hand grinding of drills under 4mm . I tried his method and it does do a nice job , it's not so complicated . He uses a push upwards...
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    Spring

    I am beveling the lower edge , of old Land Rover leaf springs ( long story ) , I use a angle grinder to remove 90% then finish with a file. I don't have a linisher which would be handy for this type...
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    Sharpening files

    I bought a new Nicholson bastard file (made in Sth. America), I managed to dull it after a few hours of use on high carbon steel !

    I tried the white vinegar etch but that has not had any effect ,...
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    Tillico lathe

    Not seen one of these
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    Waldown advert

    https://trove.nla.gov.au/newspaper/article/250278806?searchTerm=%22tool%20grinder%22
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    Serial nr.

    Hi Appleshed
    Colchester usually stamped the serial nr. on the RH end of the rear bed ways, on the flat section.
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    Demco

    Hi

    Nice looking vintage lathe, it has the appearance of a early Colchester Bantam, the tailstock. link Colchester Lathes - 1920s

    I think DEMCO were a agency rather than a brand, they imported...
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    more

    "This Old Tony" on utube has a good video on making springs , he uses piano wire and his lathe.

    https://www.youtube.com/watch?v=jAawhg6JtyY
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    more

    Try writing to ebay, and include all of the relevant documentation . When ebay first started, I had a situation where I paid for a ebay item with a Post Office money order, the money order was duly...
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