02GF74 Posted September 28, 2006 Share Posted September 28, 2006 I have a coil, 7.5 turns, 291 mm (11 1/2 in) long, wire dia. 10 mm, and I.D 70 mm (2 3/4 in). It has stamped JW on it. It was fitted to that most respected of British supercars: the Triumph Dolomite Now I am guessing Rover/Triumph/BL/Whoever would not be making their own coil springs but buy them from a spring manufacturer so in theory there is a whole plethora of springs in this size (coil diameter). The JW is either the manufacturer or more likely a code for the spring rate. Does anyone know of a website - spring makers etc. that can give the spring rate for this spring, ideally using the 2 letter code? Or a website with spring data that I can use to extrapolate the rate? Alternatively, is there a formula that calculates spring rates - I think I have all the data except for the material; but let's assume it is regular springy steel stuff. Ta. Quote Link to comment Share on other sites More sharing options...
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