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longlandy

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Everything posted by longlandy

  1. Why, its mild steel just cold drawn. I believe its the mechanical joint size that needs spreader plates like you would do joining the cage to the chassis. Picture is of my old turd with a gusset plate to spread the load
  2. Thats why I mentioned 10 swg , in fact you can get almost any gauge. Also would you make a chassis out of SINGLE skin 14swg I hope not
  3. Isnt the real arguement not between pipe and tube, I believe the main problem is that 12swg cds is too thin, you wouldnt make a chassis that thin would you?jumping to 10swg gives you 3.24
  4. I made up some leadlights with those led flood lights off e bay - cheap and good though who knows the lifespan.The led itself is 12v so I was thinking of getting another and removing the transformer and making it 12v
  5. rakeway are the boys for everything
  6. I take some pictures tomorrow, memory permiting, ive got all sorts of stuff that can bend and do damage
  7. You dont need vees for the bottom tool on a press brake, I have a sedgewick plate bender(better than my modern one) than can do 100" of 16mm and the bottom tool is square side and adjustable gap for different thickness. Also using a 90deg piece of angle iron wont work too well as you cant go past 90 to take up material spring back.
  8. Im doing a stand there this year, hope its a good un
  9. I agree, especially the coment about centre flex, which is a problem ,even on good machines
  10. On my haas mills the grid on the encoders has over 8000 "divisions" per rev ,and thats even on the spindle and can interpolate a circle on a bullbar test to .003mm(so they say)
  11. I'll second this, start with a real machine then upgrade the out of date cnc, its amazing what you can do with mach3 and a plc
  12. I was nt saying they address the vibration problem, What I meant was slotted ballhousings and standard arms are better and safer than those nasty fabricated castor corrected arms, Ive heard the arms are cast from some sources and forged from others never really inspected one
  13. Those nasty castor corrected arms are asking for trouble,thrifty old rover woulnt have used cast steel lumps if a bit of 3mm sheet was up to the job.
  14. construct a tray and seperate chassis mount so the force is being spread but remember the landrover chassis is only out of light stuff, Ive done a similar thing on series landys
  15. If you are prepared to travel to essex I can cnc plasma you a bit for sensible money, I have these sizes in stock
  16. Just read my early morning post(tired), I meant sequential valve not prop valve, and a rotary valve is just that.
  17. HH I personaly wouldnt want it powered as achieving stroke length accuracy would be a nightmare, with hand pump you could "feel" it down until the correct angle is reached. Twin rams could turn out a bit of a nuisance unless great care in operation was observed, as on full size machines proportional valves or balance beams are used.
  18. why use o rings when proper seals are only a couple of pounds and more wear resistant/tolerant
  19. With a 2" vee about 15t a foot for 6mm in m/s about 25t per foot for stainless and 8t per foot for ally. Figures are based on the chart of my brake for m/s
  20. I can do it for you, the best way would be to send dxf to laser cutters of the blank(have you allowed for bend allowance?)I could then fold it Maybe put into production!
  21. split bottom tool is a good idea, very similar to sedgewick plate folder and the angle is set up for air bending which is good
  22. arcticulated rear bogie as is in comman with all double drive trucks is the most sensible way as it allows the weight and drive to be transfered correctly when on a approach angle etc .I think I would make a dedicated transfer box instead of joining multiple lt's
  23. Chinese blade and nasty indian steel means this seems to happen whatever make blade you use.My local shapener regrinds mine at a less aggressive angle and I get a slightly longer life.
  24. Thats why I keep the standard arms and just joint the ends to get rid of the restrictive bush, I find those qt things worrying bits of junk
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