Quote:
Originally Posted by robo
It was suggested to me to use 4130 by a motorsport fabby but the trouble with that is you are then commited to 4130 welding rods + 4130 for any plate used +heat treatment after. It gets a bit overkill for a road smoker. I trust the book bones have proved durable so I will go with talon on this.
Bob
Must get the delivery driver to avoid and speed bumps just in case they break.
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4130 is just cro-mo (stuff thay make bike frames from) so i dont see why you are tied to using 4130 rods (there is prob not a exact match in wire or rod anyway) you do have to take care not to over heat and harden it more like meny other metals.
you should have a look at some of the classic racers thay used hardend tubing and brazed everything together
so the tube wasnt over heated and hardend more.
i cant see why a roadster needs anything other than a mild steel tube realy and a seemless one is a better option if you can get it.
i got some for my roll bar back stays from a hyd hose co. and was fairly priced
18th April 2012, 10:43 AM
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