Quote:
Originally Posted by Tickersoid
It's all down to the aerodynamics. Even an 850cc Reliant trike is capable of 70mpg for everyday commuting, school run and shopping. I've done that average over 2000miles driving carefully. I doubt you'll get faster than 70mph though. One wheel at the front tends to have less rolling resistance because you don't need any toe in.
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One wheel at the front is also a delta shape, leading to either increased skin drag from a longer shape, or a bluff body creating a huge wake behind the vehicle.
I don't intend to go 70MPH with it, but the ability to do so would make it "that much better". I have to imagine on a CB125 that 70MPH would make the engine scream in absolute disagreement.
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