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re: Ti springs



It has been noted that my quotes from a 1993 Racecar Eng. article
regarding use of steel suspension springs is outdated.  Insightfully
worded: "4 years in racing is like 4 Dog years........  Hell weekend to
weekend is
> an adventure in the unknow and untested in pro racing....

Hell, last year is the dark ages.........."

Anyhow, 3-8-6-4-4 (also known as Beta C) titanium has been in use as
spring material for at least 15 years.  Racecar engineers are not
usually the last folks to jump on a new material.  So if it was a good
idea in 1997, it would have been a good idea in 1993.

I reviewed the fatigue allowables of Beta C vs. the steels mentioned in
the article and the titanium looked very competitive, especially if it
only needs to last one race.  All that I can suggest is that they really
have to get the higher modulus of steel, twice that of Ti.

just about done with this topic...robert hardwick, seattle usa