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  1. J

    Looking for info on OLD Clark Clipper

    The holy grail of old Clarks is the WW2 'Plane -Loader'.............its got 7.50 x 20" truck tyres,duals on drive , on spider hubs...........the other holy grail is the small Clark airportable bulldozer of WW2 ..........these are super rare and valuable.
  2. J

    Micron drive

    I got a small electric reduction box that goes from 1500revs/min to 1 rev /24 hrs ........its used for an air filter unit on an airconditioning plant .......its further geared down by a chain drive to the filter rollers..........the filter fabric does one cycle a week .
  3. J

    Repair on Dirtbike Output Shaft

    Just tig weld and grind (with a die grinder) so the sprocket fits ........tig weld is plenty tough ,and use the snap ring .........Ive done lots of repairs like this on POS Jappas............if its an old bike,you may be able to get a whole non runner for a few bucks for parts.
  4. J

    What’s going on at Boeing

    I think youll find employees do meth in preference to weed ,due to the detection parameters .............anyhoo,when I was young ,half the old guys would drink at lunchbreak........... some would drink all the time at work ,cause they were alkys .........some of the bosses would spend the whole...
  5. J

    How to spec a forklift rated access cover

    You can rent cover plates for excavations from most hire outlets .............just cover the holes ,if its only a few months ,dont worry about access or drainage.
  6. J

    Belt Drive theory and basic knowledge ... for a practical example

    Back a ways ,a guy bought a plug programmed lathe off me to make parts for his production light aircraft ......some months later his father asked me to buy it back,as the money was needed for his funeral...........he'd crashed in the prototype plane .
  7. J

    Transition from low volume to production

    Never kill yourself to please a customer ............losing a customer isnt a disaster ,just move on.
  8. J

    B.Elliott and Co Power Hacksaw

    Blade indicates its cutting on the pull stroke.....is this correct?............is this the type that uses the coolant to lift on the return stroke?...........if so there is normally an adjuster screw in the fluid circuit.
  9. J

    Heat treating a crossbow limb

    Old VW bits have gone from being junk to high priced ............I wanted some of the steel disc flywheels for a project ,expecting maybe $10 each .......more like $200.
  10. J

    932 Bronze or Oilite

    Yes ,sintered bronze.....I pulled mine down ,and found some of the bearings were white plastic(nylon)?..........anyhoo ,I let them be ,and straightened out the teeth in a couple of the gears that were jamming up...............i was told to use the thickest oil I could find in the feed box,and...
  11. J

    How to power small off grid three phase machines?

    Have you considered harvesting your own methane to power a generator ?...........this is the ultimate off grid .
  12. J

    Advice for a lathe for a makerspace

    Its not so much non experts training....its the simple fact that most people today have no concept of being hurt by a machine .
  13. J

    How to power small off grid three phase machines?

    Toss a bit of marine fuel stabilizer into the tank ,and it will never get fungus in it,...............also best to have large fuel strainers ,water traps and filters ......which you may already have for your boiler ................Before I quit the refinery,I got enough drums of diesel to last...
  14. J

    Heat treating a crossbow limb

    IIRC ,the idea was to provide damping of the spring action.........my mother had a late 1950s VW ,with this front suspension .....trailing arms to conventional kingpins......hers was kinda worn out ,and used to go into death defying shimmy if the wheel struck some irregularity ..........every...
  15. J

    pneumatic auto jacks

    When I was a kid,we didnt have jacks ,cars were raised up with a long pole over a log ............Couldnt afford cinder blocks neither ,just lumps of wood ....Used to sneak split firewood out of the heap without being seen ..........if you were seen ,youd have to split another half ton of...
  16. J

    Starrett goes private

    I was surprised by how good the exterior of the buildings look ........Id think a lot had been spent on building maintenance , may be a good sign.
  17. J

    Starrett goes private

    Watchd The vid......doesnt seem very hopeful to me ..........unless everyone got the day off ,then there were only a handfull of workers .....one robot ,as far as I could see ......and other production in small lots on manual machines.
  18. J

    Heat treating a crossbow limb

    Believe it or not,a young woman said exactly that on a television program on the lesbian centric ABC ..........the program did a total hatchet job on well known deer hunter ,making him out to be a homicidal maniac and a blood thirsty savage with dozens of guns.........he was set up believing...
  19. J

    Cleaning ugly oily floor hack saw mess 30 years worth...

    What will be effective is tri chlor ethane .............this solvent literally carries all oil stains down into the substrate of the concrete,and leaves a clean surface ..........unfortunately its hard to get now .............methyl chloride is also as effective ,but you will need protective and...
  20. J

    Lathe Screw Threading Issue.

    The OPs problem is swarf loaded half nuts ,worn halfnuts from careless use,and /or worn leadscrew from swarf in the half nuts.

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