One of my other bikes ... self built Hossack - Yamaha FJR Forum : Yamaha FJR Owners Forums
  • 2 Post By Seb Wiers
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post #1 of 2 (permalink) Old 10-08-2020, 07:52 PM Thread Starter
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Join Date: Sep 2020
Location: St. Paul, MN, USA
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One of my other bikes ... self built Hossack

Figured people might like to see (one of) my other bikes, which has a front suspension system inspired by the Britten V 1000. Geometry is adjustable in many ways via arm length (upper and lower), upper ball joint connection (threads in and out of fork to control trail), and shims under lower ball joint (tweaks dive rate). Basic configuration / behaviors were determine using Tony Foale's "funny front end" program, design was done in head / using wood models. Did 100% of the fabrication myself, and tested the construction by bolting the frame in a jig via engine mounts and putting ~2,000 lbs force on axles in various directions (measured via crane scale).

cra-z1 and 2014oldred like this.

'09 FJR1300, '85FJ1100, '80XJ SECA (heavily modified)
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post #2 of 2 (permalink) Old Yesterday, 09:51 AM
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Join Date: Jul 2016
Location: '04 in MS.
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Apocalypse coming? '82 Seca 750?

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