At 02:25 PM 1/30/2006, gpvb1@comcast.net wrote:
>Also, there were two definite sets of requirements to become 753
>certified. Early on, you had to submit an entire frame that was then
>destructively tested. Since that was rather costly for the applicant,
>Reynolds realized that a more relaxed set of requirements would be needed.
>This is the "marketing hype" test that Brandon is referring to (below).
>Big, big difference....
I don't think there were two different standards. Reynolds realized very few people were going to waste the money to send them a whole frame so they changed it to a bb shell with a seat tube, down tube and chain stays. They test parameters remained the same. This was a good move by Reynolds given that they're in the business of selling their materials. The test basically was checked for silver penetration and what the tensile strength of the tubing was post brazing. The same test parameters regardless of complete frame or bb shell. FWIW the first bb shell I ever brazed with silver was on my 753 test. Passed with flying colors. I agree with everyone's earlier sentiment that the whole 753 certification was a marketing thing with very little value.
Curt Goodrich
Minneapolis, MN