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POLL: what has more drag? a motorcycle or a car?
- Thread starter Lifer
- Start date
I would think a car has less... but then again I dont really know anything about it
EDIT:google is your friend
And upon further thinking, I dont know, just realized that those are coefficients, not actual drag.
EDIT:google is your friend
And upon further thinking, I dont know, just realized that those are coefficients, not actual drag.
DivideBYZero
Lifer
I would imagine car as a bike has a much lower surface area presented to the force of air.
Mr.IncrediblyBored
Lifer
That doesn't surprise me. The Enzo probably has more surface area presented to the wind for downforce. Let's see if that Daytona can take a sweeping turn at 180mph.😀
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GalvanizedYankee
Diamond Member
Even with humpback leathers and slick shaped helmets m/c's are not clean moving at speed...:sun:
Goosemaster
Lifer
No doubt the sport bike would have a higher coefficient of drag, it is not nearly as smooth as a car would be. Now when you say "most aerodynamic car" do you mean most aerodynamic ever or most aerodynamic standard production model? There are specialty vehicles that have very VERY low aero drag coefficients, but they are not for everyday driving. The other issue is surface area of the 'outline' of each vehicle as it presents itself to the air (basically a frontal silhouette). Multiply the drag coefficient by the surface area and compare those numbers, that will give you a better idea of which is actually experiencing more drag force. With a question as ambiguous as this, the best answer you're gonna get is "it depends" until you narrow down your criteria.
i dont remember the figure... but the rider is 40% or more of the bike's drag... on a sportbike at least... id imagine the naked bikes and cruisers would have dirtier airflow due to the lack of fairings.
A gixxer has a cd of 0.327... thats with the rider tucked in... with the rider upright... it goes up to 0.428.
A Hayabusa has a cd of 0.330 rider prone... and 0.425 with the rider upright... basically the same.
But recent cars have lower cds than that.
A gixxer has a cd of 0.327... thats with the rider tucked in... with the rider upright... it goes up to 0.428.
A Hayabusa has a cd of 0.330 rider prone... and 0.425 with the rider upright... basically the same.
But recent cars have lower cds than that.
WinkOsmosis
Banned
Cars have lower cd. Coefficient of drag is based on shape, not size. A circle, no matter what the size, theoretically has a cd of 1.0. So imagine a circle with the same cross section as the Ferrari Enzo... the Enzo has .36 of the drag of that. Of course the circle for a bike would be smaller.
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