Rick W Posted December 4, 2007 Share Posted December 4, 2007 The offending item... http://i117.photobucket.com/albums/o72/rik242_2006/restoblog040.jpg[/img] I gave this water pipe off the Morris to a local engineering firm over 3 months ago to fabricate me a new one. I have only just managed to get it back after repeated phone calls and the result being...they have done diddly squat about it. :angry: :angry: :angry: Can anyone help suggest anywhere or anyone I can post this to to get fabricated, rather than us cobble something together in a Heat Robinson kinda way? In old school speak its about 14" long with a bore of about 1" 1/4. Anyone?? :dunno: Quote Link to comment Share on other sites More sharing options...
N.O.S. Posted December 4, 2007 Share Posted December 4, 2007 I had a pipe with similar bends to replace on a jimmy engine (but not in a jimmy) - I tried to get a new one bent by a local hydraulic pipe specialist tuber (Stauff). Problem is they cannot bend to such a tight radius for the pipe diameter, and this is problem most engineering shops will have. We concluded we needed to find an EXHAUST fabricater who would have the correct radius formers for thin wall tubing. For your pipe the small bore tails are no problem for any welding shop. But I haven't got any further yet - I have a sort-of -correct new pipe which I might "bodge". I sugegest you try a local Hot Rod shop or similar if none of your trade contacts can help, as they will be used to making up bespoke stuff like this. Quote Link to comment Share on other sites More sharing options...
Rick W Posted December 4, 2007 Author Share Posted December 4, 2007 Yes its the tight radius which is the problem. Its also a very small diameter very an exhaust fabricator. Quote Link to comment Share on other sites More sharing options...
Tony B Posted December 4, 2007 Share Posted December 4, 2007 Two old methods of bending tight radius on pipes like this. One is the old spring type bender or fill the pipe with dry sand then heat the pipe and bend. The offshoots can be brazied on afterwards. Quote Link to comment Share on other sites More sharing options...
Marmite!! Posted December 4, 2007 Share Posted December 4, 2007 Two old methods of bending tight radius on pipes like this. One is the old spring type bender or fill the pipe with dry sand then heat the pipe and bend. The offshoots can be brazied on afterwards. or anneal the pipe & fill with water plug both ends & freeze, then you can bend without deforming the pipe (same as they do when forming bend in trumpets etc.) Quote Link to comment Share on other sites More sharing options...
hardyferret Posted December 4, 2007 Share Posted December 4, 2007 Seem to remember a low melting point alloy which you poured molten inyo the tube tobe bent, then after bending heated and poured out. HF Quote Link to comment Share on other sites More sharing options...
Marmite!! Posted December 4, 2007 Share Posted December 4, 2007 Seem to remember a low melting point alloy which you poured molten inyo the tube tobe bent, then after bending heated and poured out. HF I've heard of that being done using lead... Quote Link to comment Share on other sites More sharing options...
hardyferret Posted December 4, 2007 Share Posted December 4, 2007 Where are you in Dorset we have a firm JT tubes who are professional benders? is this ok or on pc border? But they are dogs bits in tube manipulation Regards hf Quote Link to comment Share on other sites More sharing options...
Tony B Posted December 5, 2007 Share Posted December 5, 2007 The thing is in any bend the walls will stretch, the sand lead etc is to prevent collapse. get a copy of the good old Zeus tables to allowances in length etc. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted December 5, 2007 Share Posted December 5, 2007 Have you thought about going to a plumbers merchants? Copper pipe comes in not just 15mm & 22mm but also 28mm & 35mm OD. There are all sorts of ready made bends & bits with off shoots in a lower bore. You could perhaps make something up from combinations of these. Soldering copper is easy & with care you can bend it a bit. But if you really got stuck for that big bend, could you use some ready made radiator hose with a bend already in it? Presumably if it was a hose of a foreign car it would be metric rated & more likely to be compatable with the copper pipework at each end. Then you have even more latitude. Quote Link to comment Share on other sites More sharing options...
Rick W Posted December 5, 2007 Author Share Posted December 5, 2007 Have you thought about going to a plumbers merchants? Copper pipe comes in not just 15mm & 22mm but also 28mm & 35mm OD. There are all sorts of ready made bends & bits with off shoots in a lower bore. You could perhaps make something up from combinations of these. Soldering copper is easy & with care you can bend it a bit. But if you really got stuck for that big bend, could you use some ready made radiator hose with a bend already in it? Presumably if it was a hose of a foreign car it would be metric rated & more likely to be compatable with the copper pipework at each end. Then you have even more latitude. Quote Link to comment Share on other sites More sharing options...
Rick W Posted December 5, 2007 Author Share Posted December 5, 2007 Oops. Thanks all. I wasnt aware copper tube came in bigger sizes Clive. Our local plumber very kindly done the other pipes for it, but when I asked about this one he shook his head. If all else fails I have found a shaped rad hose out of a Volvo S40 which may help , with a little imagination! Quote Link to comment Share on other sites More sharing options...
Marmite!! Posted December 5, 2007 Share Posted December 5, 2007 Oops. Rick, you can edit your posts by clicking the modify button ;-) Quote Link to comment Share on other sites More sharing options...
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