Hey all - I recently purchased a piece of software written for the purpose of analyzing the characteristics of various pivot-based motorcycle front ends. The designer intended it for stuff like the BMW K1300, Yahmaha GTS1000, and so forth, but it can equally be applied to traditional and custom springers and girders.
I'd like to build up a database of such designs and the results the program spits out, and compare them with how people subjectively feel they handle. I think it could help confirm some "rule of thumb" notions, and maybe improve on them.
To do that, I'd need to get some measurements from bikes that have springers and girders, to enter into the program. If anybody provides me the numbers, I'll run 'em and post the analysis the program spits out, which is basically a set of charts showing the dynamics of fork dive and rake / trail variation due to bump travel. Figured it might be fun for folks with such bikes to see, especially if considering changing the rockers or some such.
It doesn't tell anything like the whole story, but I think it would be really interesting to use this to compare (say) the dynamics of a stock springer to (say) a Sugar Bear style fork. Might also shed some light on why some of the old designs were bad... or point up some as being potentially rather good.
Post to follow with a form for the numbers I'd need.
I'd like to build up a database of such designs and the results the program spits out, and compare them with how people subjectively feel they handle. I think it could help confirm some "rule of thumb" notions, and maybe improve on them.
To do that, I'd need to get some measurements from bikes that have springers and girders, to enter into the program. If anybody provides me the numbers, I'll run 'em and post the analysis the program spits out, which is basically a set of charts showing the dynamics of fork dive and rake / trail variation due to bump travel. Figured it might be fun for folks with such bikes to see, especially if considering changing the rockers or some such.
It doesn't tell anything like the whole story, but I think it would be really interesting to use this to compare (say) the dynamics of a stock springer to (say) a Sugar Bear style fork. Might also shed some light on why some of the old designs were bad... or point up some as being potentially rather good.
Post to follow with a form for the numbers I'd need.
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