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Originally Posted by cRiPpLe_rOoStEr
Makes me wonder how it would fare with a mid-mounted Honda CB 500 engine and RWD instead of the stock powertrain.
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Not too well in my opinion, center of gravity needs to be way up front so that all three wheels carry near equal weight. Designs that do not do this attempt to compensate with massive rear wheels, but they are fighting physics.
At the 46 minute mark Robert Q Riely explains, I watched the whole video, a bit slow but very informative.
XR3 Hybrid 125-mpg Three Wheel Vehicle
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This is the introductory presentation of the XR3 Hybrid to the Arizona-Nevada Section of SAE International in September 2008, soon after completion of the prototype. The speaker is Robert Q. Riley, the vehicle's designer. More information is available at http://www.rqriley.com/xr3.htm
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His website is down, read this:
Posted on March 15, 2022
A Belated Note on Robert Q Riley of Trimuter and Tri-Magnum Fame
https://thekneeslider.com/a-belated-...i-magnum-fame/
I took an image at the below site and attempted a mark-up based on where his laser pointer was and other documents.
https://protected.hostcentric.com/rqriley/xr3.htm