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| Heron's Aeolipile |
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| SPiN Racing:
Hey everyone HAPPY NEW YEAR! WOW looks awesome.. very beautiful. I think the shape is perfect!!! I was watching that original clip and think that would be a fun project... http://video.google.com/videoplay?docid=-8292524307449042055&ei=JJJcSa2nG5C8rALh5qyUCQ&hl=en The other one didnt work for me either.. :scratch: |
| sbwhart:
Hi Ralph Just had another look at your photos:- you could try spinning the crinkles out on the nylon ball set up, just replace the cutting tool with a roller of some type. Just spoke to John he say's your popping over tomorrow, I'm going out for a walk tomorrow morning and liquid lunch :beer: with some work friends, if I get back in time I may pop round, it would be nice to meet up. Cheers :wave: Stew |
| Darren:
Way to go boss...... :headbang: What wrong with it Ralph, I was looking at the ball thinking you've cracked it. OK so not a true sphere, like Bogs says, any rule that says it has to be. |
| bogstandard:
Now about forming this cubed shaped one and having it spinning corner to corner, with four jets, one on each remaining corner. Remind me tomorrow, and I will let you have a bit of brass box section to play with. Bogs |
| Divided he ad:
Whoooa!!.... Lots to say to all those responces!.... Firstly thank you to all.... Positive comments are always good to receive :) Eric, as I said in a recent P.M. .... What's wrong with odd shaped balls!! :lol: John, I quite like it's odd shape... As you said "special" like me! :thumbup: The square idea sounds fun too.... It's yours so you should probably build it!? .... I can still have a go at one too though :) Stew, The sheet was anealed, it was also lubed with 3in1 oil.... Not slippy enough? I already increased the radius on the die to about 2.5mm ish (from 1.5mm ish. skimmed a little and finished with emery) I'm thinking of a little radius on the outer edge of the die too... The marks are visible where the rippling caught and dragged on the 90' edge of the die. I couldn't have put more pressure on than with the no springs attempt...it bent the plate upwards by about 5mm!!! But I will polish the plate and try it all again when the copper gets here. I'm not too sure about the spinning idea though.... Not with such a rippled surface, I think it could spell "i n j u r y "! I have modified the nylon form slightly since the picture, I wanted to get a clean edge so now the dome of the arbour does not meet the back edge of the hemisphere by about 3mm, allowing a neat trim off and de-burr of the part. Thant's not to sat I can't make another one.... I've got another 2 pieces of that nylon :dremel: I'll be at Johns around 1 ish, If true to form I could be there for a little while !! :) If you manage to make an apperance, that will be a bonus to the day I'm sure :thumbup: Scott, sorry , still not working!? ... Fun project yes.... But it sure is hard work!! I love it! :thumbup: Darren, Not a true sphere!! It looks like an over inflated rugby ball!!! :lol: I'm still going to use it... We all need prototypes when designing fun stuff.... Most of my finished one offs are prototypes that just worked!! :D The thing is I want to make a few of these.... They will all have their little diferences, but I want to have a go at a mini production run!! Don't know what to do with them once I get it all sorted, probably birthday and Xmas prezzies of the future, my friends will all be sick of them :lol: Well out to the shop for a bit, Might do a little on my finger engines today... For a little break :) Once again, Thank you all for the great comments and guidence. Ralph. |
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