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Old 11-03-2012, 11:00 AM   #1
Ras Thurlo OP
Desert Lion
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Joined: Aug 2010
Location: Hillcountry, Italy
Oddometer: 682
Unholy Union geometry

Originally Posted by ontic View Post
I've gone the WP50mm front end, shortened, the Rdubb triples with 38mm offset (which combined with the increased WP50 axel offset must make for a very small trail)
Picked up above quote from Ontic, from another thread on airhead off road suspension

Am looking to tap into the ADV knowledge-pool on how to tailor a full-throttle unholy union conversion (full length fork upgrade and extended mono/R1100 driveshaft) so as to end up with the right handling characteristics.

We get into these full-throttle conversions in order to max out on suspension travel to create a badass dirtbike- but in the process move in the opposite direction to a supermoto conversion.

I am making the assumptions that in output there is a trade-off between "flickability" and "stability", while the inputs include wheelbase, ride height and trail variables such as fork rake, front offsets etc.

For my part, I am looking to preserve as much flickability so as to mitigate the wheelbase and ride height that comes from monster forks and extended rear.

I have tried to do my homework on trail variables- but have only succeeded in getting more confused, as on the interweb there are diametrically opposing statements of "fact" regarding the impact of the differing variables. So have now given up on the abstract theory and am appealing to you from a practical perspective......

Ras Thurlo screwed with this post 11-07-2012 at 11:27 AM
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