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| BMW V8 dry sump from billet |
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| jim:
what are you going to do with the wax one when its finished? i wouldn't be able to melt that work of art down!! |
| AdeV:
Thanks again folks, it's always nice to know people are following along & appreciating. Darren - I don't think the exhausts will get quite that hot... at least, I hope not! That said, the rest of the engine is aluminium, so it should be OK. Dean - It's got a little bit of flexibility in it, which helps I think. Not a huge amount mind, as it will fracture quite easily. Watching the whole thing bounce when taking a slightly too-deep cut was a bit alarming, though! Andy - Interesting idea about the magnet, but aluminium does strange things to magnets. If you've got a piece (sheet is ideal) and a neo magnet, do the following: Set the ali sheet up just off the vertical (say, 85o), and slide the magnet down it.... That said, I don't know if your idea would work or not; I'll have to find a compass & give it a try. Jim - I plan to keep it for posterity - especially if it ends up as the prototype for a lot of sumps :) However, I've got bags (literally) of swarf to melt down for future projects, so no worries on that score... Right... back to the workshop... :whip: |
| John Stevenson:
Cast a new sump from it using the lost wax process. John S. |
| DMIOM:
--- Quote from: AdeV on March 07, 2010, 05:31:44 AM ---......Darren - I don't think the exhausts will get quite that hot... at least, I hope not! That said, the rest of the engine is aluminium, so it should be OK..... --- End quote --- Ade - what Darren was referring to, and I was just about to post the same message but Darren beat me to it ..... we were wondering if the exhausts would melt the one you showed - i.e. the wax one ! :doh: Dave |
| andyf:
--- Quote from: AdeV on March 07, 2010, 05:31:44 AM --- Andy - Interesting idea about the magnet, but aluminium does strange things to magnets. If you've got a piece (sheet is ideal) and a neo magnet, do the following: Set the ali sheet up just off the vertical (say, 85o), and slide the magnet down it.... That said, I don't know if your idea would work or not; I'll have to find a compass & give it a try. --- End quote --- That's because the magnet is moving in relation to the aluminium, Ade, and thus setting up eddy currents which gerte a magnetic field which oppose the magnet's movement - Lenz's Law comes into it, I think. If the magnet is stationary, the problem shouldn't arise. But it was only one of my more harebrained ideas, and probably wouldn't work.... Andy |
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