Maintenance & Technical > KX500 Aluminum Frame Conversion (AFC)
JFab frame rails breaking
maddoggy:
--- Quote from: don46 on August 16, 2012, 06:31:11 AM ---check out this youtube video, this guy seems to believe the headstay (which many of you pointed out) is the culprit, and after listening to his logic it does semm somewhat sound. I do believe there are harmonic vibrations at work as well, but maybe there is something to the headstay, his is super beefy and also multi point attached.
http://www.youtube.com/watch?v=zgJTHBQO4bM&list=UUbcAUzRKwwsnUu183ATJ_Aw&index=1&feature=plcp
--- End quote ---
i was thinking about dons post, specifically the part about harmonics. this may sound stupid but have any of you conversion guys ever considered using a dampener on your frames? i was thinking of the kind that compound archery shooters use. not sure exactly how to use it, but in theory it would arrest the harmonic vibrations generated in the frame. just a very rough thought.
maddoggy:
nothing???????? guess it's another of my stupid ideas
kxpegger:
--- Quote from: maddoggy on August 31, 2012, 02:13:09 PM ---nothing???????? guess it's another of my stupid ideas
--- End quote ---
I would think that JFAB might want to explore this issue and make a comment but I personally don't think his rails had anything to do with this failure. The head stay to the frame connection was improperly designed by the OP IMO. If you scrutinize the pictures you can see the flaw.
sandblaster:
--- Quote from: maddoggy on August 31, 2012, 02:13:09 PM ---nothing???????? guess it's another of my stupid ideas
--- End quote ---
I don't think your idea is stupid.
However, I'm working on a different idea to see if I experience any problems.
If it works, I'll post what I did.
Motorrad:
--- Quote from: maddoggy on August 31, 2012, 02:13:09 PM ---nothing???????? guess it's another of my stupid ideas
--- End quote ---
actually maddoggy... I have been thinking about this since you posted it.. looking at my buddys $$$$$$$$$$$$ compound bows. (he is a sponsored shooter).. trying to think up a way to graft it over to the bike world...
so another stupid idea ... NO.. somthign that has had me thinking for several weeks.... YES! 8-) YOU ARE IN MY HEAD
also been looking at my "specialized Roubaix" bicycle.. that is designed to race the cobble stone streets of france.. with dampers molded into the frame.. trying to think of a way to move that over as well..
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