2020 Gold Wing front suspension - Wrist Twisters
 
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post #1 of 1 Old 03-21-2020, 08:24 AM Thread Starter
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2020 Gold Wing front suspension

I was watching the video from this thread: https://www.wristtwisters.com/forums...oss-81423.html and when it ended saw a review of the 2020 Gold Wing DCT. The first thing I noticed was the front forks ... obviously not telescopic, and with an outward appearance of an almost chopper rake, which did not make any sense. A look at the specs showed pretty much typical touring measuremants of 30.5 degree rake and 109mm (4.3") trail.

A closer look showed a Hossack type fork, with an important difference: normally, a Hossack suspension uses two "A" arms with ball joints connected to the fork. Honda has changed things a bit by emulating a standard steering head setup, but instead of being a part of the frame, it's linked to the frame by the two A arms with a shock connected to the lower arm. Possibly a way to get around BMW and Hossack patents. Besides, it is attached to an eight hundred pound bike, so it may have been necessary from a strength point of view.

Regardless, it is an interesting setup, and a departure from the norm. Now if they fit a much lighter version to, say, a CBR1000RR(H) it would be superior if only for the considerable reduction of unsprung weight which would improve compliance, the inherent brake anti dive characteristic, and much simpler damping and preload adjustments. In fact it would be possible to adjust the spring rate by moving the shock lower pivot toward or away from the fork. Then add an electrorheological shock with a load cell feeding a small computer with the necessary information for nearly real time damping adjustments on the fly. Essentially becoming the equivalent of adjusting damping for changing conditions in milliseconds instead of minutes, or hours if the adjustment is beyond the range of the current fork shim stacks.

Rob
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File Type: jpg Gold Wing front suspension 21 Mar 2020.jpg (91.1 KB, 9 views)

If it has already been done, it is safe to assume it is possible to do it.
On the other hand, if it has not been done never assume it is impossible to do it.
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