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At this stage in the development it would appear that the 100mpg Vetter Challenge standard is far away and not likely to be attained. The reason I say this is that the throatle is less than 20% open at 110km/h [70mph] and there is no inexpensive way to reduce the engine speed with shaft drive and even if it was posible it would not do enough to get to 100mpg.
The bike itself is vastly improved and far more fun to ride. When cruising in 6th gear I no longer have to shift down to pass, go up hill, and/or overcome headwinds. The range on the 10L's of fuel above reserve is much improved. The cargo space alone is enough to convert me to this style of bike, I now find regulare bikes so inadiquit; even big touring bikes with all kinds of bags and boxes. The comfort of being able to lean back agianst the foam covered opening is great. I will continue to develope this bike to see what the upper limit on fuel economy is but 100mpg is not very likely.
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