csweatherston
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Registered: 16th Jan 06
Location: Devon
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whats the method called where instead of mandrel bending the pipe smaller sections are welded together to form the bend?.
and whats the pro's over this compared to mandrel bending.
cheers
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richc
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Registered: 24th Mar 07
Location: Ilkeston
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Lobster back?
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csweatherston
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Registered: 16th Jan 06
Location: Devon
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ill try find a pic to confirm.
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richc
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Registered: 24th Mar 07
Location: Ilkeston
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Thats what you call it when you trey and weld loads of sections pipes to form bends
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csweatherston
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Registered: 16th Jan 06
Location: Devon
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yep...thats it  cheers
whats the advantages of this? i understand it helps keep a uniform flow, but surely the penetrating welds resttrict the internal dia?
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richc
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Registered: 24th Mar 07
Location: Ilkeston
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quote:
Originally posted by csweatherston
yep...thats it cheers
whats the advantages of this? i understand it helps keep a uniform flow, but surely the penetrating welds resttrict the internal dia?
Dont worry bout it!
Well not a clue what advantages are in the of gas flow, but i doubt the weld penitration will cause it to restrict, your only talking 1mm at the most. Nothing noticable!
Only thing i can think off, its easy to fab up if tight bends are needed!
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csweatherston
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Registered: 16th Jan 06
Location: Devon
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ive noticed that its mainly only high spec cars which use them, very rarely see them on a fast road car etc..
just wondering what the advantages were.
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