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  • john.k's Avatar
    Yesterday, 10:19 PM
    john.k replied to a thread Boring tooling in Special Projects
    Ive taken the gas check groove out of CI moulds...RCBS and can also take the last lube groove out easy......but machining around the lube grooves would be a very good reason to have a DRO......which I dont........CI moulds are...
    5 replies | 88 view(s)
  • john.k's Avatar
    Yesterday, 01:09 AM
    I reckon i got a lot of that beat.I bought the last mechanical pump diesel on the market here in 2006......any electronics fail will be the dash display........the pump has got a couple of electric connections ,but I ve got an earlier pump with...
    15 replies | 404 view(s)
  • john.k's Avatar
    12-16-2018, 07:21 PM
    When I was a kid,we used to dust the seed potatoes with arsenate of lead before they were stored for next season planting.So any potato farm would have fair amounts in the soil.The copper compound is branded potato mix,so its use is obvious.
    20 replies | 780 view(s)
  • john.k's Avatar
    12-15-2018, 05:40 AM
    john.k replied to a thread ruger percision in Factory Rifles
    Women working at the local meat works dont have that is thought to have handed the choice cuts of her abusive husband around among her workmates,and put the rest thru the hamburger line....But they do a very professional job...
    52 replies | 1593 view(s)
  • john.k's Avatar
    12-15-2018, 05:26 AM
    im a fan of Trail Boss,but not in a 45/70 with heavier than 300 gn mentioned with 400+ velocity is too low.....But the price you pay for high vel with 400 gn is recoil......One point with TB,is it will always slug up undersized...
    11 replies | 348 view(s)
  • john.k's Avatar
    12-14-2018, 11:44 PM
    Arsenate of lead was the favorite method of old biddies to eliminate unwanted would be dissolved in coffee or tea.There is a famous test for arsenic poisoning,where a ring of silver arsenic condenses in the cool part of a glass test...
    20 replies | 780 view(s)
  • john.k's Avatar
    12-14-2018, 08:26 PM
    I would never buy one,but if given one,I dont say no..............I can either use or repurpose it,or it goes into the scrap bin,for which I get paid by the ton..........i have the same rule with old machines......if you want to leave them with...
    21 replies | 1013 view(s)
  • john.k's Avatar
    12-14-2018, 08:18 PM
    Yep,same metal........actually,its quite possible the chemical could be melted into a large quantity of lead and used for bullets..........the big risk with these chemicals is that your land will be declared contaminated,and you will be up for tens...
    20 replies | 780 view(s)
  • john.k's Avatar
    12-14-2018, 06:32 PM
    My old man was a farmer,and he wouldnt be without his shed full of various deadly poisons.....Arsenate of lead is an old favorite for killing termites,as the chemical seems to be attractive to them........break a termite track,put some powder in...
    20 replies | 780 view(s)
  • john.k's Avatar
    12-14-2018, 06:20 PM
    The o press is a good start to a project if you have machining facilities..............if you have ever bought rough castings for a model or engine,they arent cheap,and the Smart is cheap........IMHO,they are like Chinese G clamps ,they break first...
    21 replies | 1013 view(s)
  • john.k's Avatar
    12-14-2018, 02:07 AM
    A lot of alloys recrystalize in the hours after casting....volume may change a little or a lot....depends on the alloy.....If you use a lubrasizer,the force applied will also shorten the nose somewhat,depending an alloy hardness.i have had slump on...
    4 replies | 197 view(s)
  • john.k's Avatar
    12-11-2018, 04:15 PM
    ...45/70 adaptors have never been a goer in a 577/450 because the the case extends into the thin neck section of the adaptor.........the Colt 45 adaptors work OK as a mechanism,but the bullets are way too small for the Martini bore.......a far more...
    23 replies | 1496 view(s)
  • john.k's Avatar
    12-09-2018, 09:52 PM
    I had a primer go off once broke the big hotplate on the wood stove,and the case put a dent in the roof above.The noise was deafening.Frightened the life out of me.....found out later the bullet was explosive,and I had pulled it in the vise.
    61 replies | 2432 view(s)
  • john.k's Avatar
    12-09-2018, 09:44 PM
    I had a primer go off in the press.......the old cat was sleeping curled up just behind,and he didnt move.....seems he either didnt hear it,or didnt register .......My worry with primers popping is that one of the nervous neighbours will drop a dime...
    61 replies | 2432 view(s)
  • john.k's Avatar
    12-08-2018, 08:38 PM
    Anyone tried loctite on lee molds?
    15 replies | 485 view(s)
  • john.k's Avatar
    12-08-2018, 08:35 PM
    i find if you lube the mould pivots with bees wax,after a while the stuff carbonizes and sticks the sprue screw more issues............its possible a spot of loctite would do too....loctite does soften with heat,but it stays sticky,so...
    17 replies | 605 view(s)
  • john.k's Avatar
    12-08-2018, 06:27 PM
    Caterpillar make bolts with the whole head covered in lines.............Cat bolts are usually easy to machine too,unlike the Chinese Gr 8 bolts that are very hard................incidentally,we found the Chinese Gr8 bolts very prone to fracture...
    36 replies | 1786 view(s)
  • john.k's Avatar
    12-07-2018, 08:51 PM
    I suspect the 1 in 38 twist was chosen by Benjamin Henry in 1860 for the new 44 rimfire.For a 200 grain bullet powered by blackpowder the shallow groove and slow twist was needed to control fouling......As often happens,when the changeover to CF...
    40 replies | 1450 view(s)
  • john.k's Avatar
    12-06-2018, 10:36 PM
    Ive seen a few of them.......pretty typical of absolute cheapest level of chinese cast........the iron is OK,but sometimes the cast contains large blowholes ,which weaken and cause breakage.........probably made on very basic and worn tools........I...
    21 replies | 1013 view(s)
  • john.k's Avatar
    12-03-2018, 10:55 PM
    Looks like a workable alloy is 88/12 tin,so cost would be $20 lb,with no scrap available either.The other problem I see is the metal expands on cooling,meaning bullets may stick tightly in mold cavities......As to ingots breaking apart,lead does...
    27 replies | 810 view(s)
  • john.k's Avatar
    12-02-2018, 09:23 PM
    Most of the older 44-40 s have such tight necks,that bullets over 429 wont chamber ,even in thin Winchester made brass.In fact one of my 94 s is so tight a 429 bullet will seat tightly in a fired case.No sizing required.Bore size is 423-427...
    15 replies | 553 view(s)
  • john.k's Avatar
    12-02-2018, 09:16 PM
    Altering 94 feed guides is a shortcut to a single shot...Very tricky,unless you have examples to copy ,or the factory drawings...And spares for the 44s were rare ,even when the guns were current.I tried to alter a 44 mag to 44-40 using a new 92...
    19 replies | 989 view(s)
  • john.k's Avatar
    12-02-2018, 05:53 AM
    The arabs eat camels,and you can see whats happened to them...We shoot horses too,but ive never eaten one (knowingly)....dont like venison either,dry and goat and rabbit,youve got something cookin...........Did you know if...
    35 replies | 2828 view(s)
  • john.k's Avatar
    11-27-2018, 08:21 PM
    if you can buy a lifter and a set of feed guides for the 44-40 version,then you might have a chance.......otherwise Im sure you would end up with a single shot.
    19 replies | 989 view(s)
  • john.k's Avatar
    11-25-2018, 10:20 PM
    I have sleeved chambers ,but it does leave a tiny,maybe near invisible gap,and I have always advised shooters to not use blackpowder for fear of corrosion..........Am I a sleeve ok with the fouling?
    13 replies | 559 view(s)
  • john.k's Avatar
    11-25-2018, 01:46 AM
    john.k replied to a thread Lathe manual parts list in Our Town
    broken teeth on the back gears near always caused by attempting to remove stuck threaded chucks.sometimes the threads can be very hard to move,and the temptation is to put a long Crescent wrench on the jaws,and apply much force,or worse using a...
    4 replies | 315 view(s)
  • john.k's Avatar
    11-22-2018, 06:54 AM
    if the powder has started to detiorate,the tin will be rusty inside............Ive ony ever had 4895 go bad,turned into red dust entirely.....wasnt surplus either ,was IMR 4895 in a Du Pont tin.......funny thing is cordite seems to last...
    21 replies | 4165 view(s)
  • john.k's Avatar
    11-22-2018, 02:51 AM
    john.k replied to a thread New Barrel in Factory Rifles
    Yeah now everyone can closely inspect their bore.....makers have got to be lot more careful,or back it comes.....reminds me of years ago at work.......sand blasting pipe internals...........boss says..."just do the ends ---they cant see...
    14 replies | 640 view(s)
  • john.k's Avatar
    11-22-2018, 02:43 AM
    Just a variation on a 22.....most 22s have the handle halfway along,so it can lock in a convenient spot......nothing special IMHO........yeah,some experts on that forum.....Pics couldnt be much less use either.
    11 replies | 895 view(s)
  • john.k's Avatar
    11-22-2018, 02:33 AM
    A young guy shooting a Lithgow smelly at the range came up to me ...."How can I get the bolt out?"...I was surprised ,but I showed him and his girlfriend........Then he tried it,and still couldnt get the bolt out....he couldnt get a grip on the...
    35 replies | 2828 view(s)
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About john.k

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About john.k
retired mechanic/engineer.
brisbane ,qld,australia


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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check