Denis.N wrote
My friend from China tells me that if you divide distance by time you get speed - gotta check that out.
My Greek physics professor tried telling me that too. I think it's a conspiracy.
Anyhooters, I heard the other day that the higher the capacity of the chair, the slower it has to run (ANSI or ISO standards?). As in a single chair can run faster than a double which runs faster than a triple, ect. But this was all regarding fixed grip chairs, I'm not sure if it's the same or not for detachables.