Thread: Orbis Wheel
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Old 08-07-2019, 11:06 AM   #25 (permalink)
rob.e
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Quote:
Originally Posted by Taylor95 View Post
If you drive a lot I imagine it would not take that long, depending on the vehicle. Your mpg could double or even triple if most of your driving is in the city.
Yep, but for me i think it won't add much. Most of my commute is highway speeds, 110-120 miles a day for my commute. The diesel does a great job at these sorts of speeds and whilst i'd love to have the additional performance on tap, and i although i'd save if i could use electric for the low speed stuff like a prius yes it would help but not enough to justify the spend.

If i manage 70mpg now, and the orbis bumped me up to say 80mpg, then my basic calc looks like it would save me about 1 per trip, so i'd need 10,000 trips to break even.. so ~50 years

Even if my maths is wrong and the saving is double that ^ it'd still take 25 yrs to break even, by which time the car would have over half a million miles.
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