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windscreens and mpg on PCX 150
Posted: Sat Jul 12, 2014 10:16 am
by flyingzonker
What is the MPG effect of the addition of a, say, 17 in windshield on a PCX 150. Seems to me their would by an aerodynamic enhancement factor in this procedure that would result in more miles per gallon. I suppose there are other parameters than height to be considered--width, angle of wind incidence, contour, etc.--so many variables, so little time. Anyway, does anyone know anything specific on this issue?
Re: windscreens and mpg on PCX 150
Posted: Thu Jul 17, 2014 8:46 pm
by stryder123
My personal experience with the GIVI tall windscreen on my PCX150 is that it does not seem to change the gas mileage for better or worse. It does get rid of all buffeting and for some reason makes the bike more stable in cross winds and around heavy traffic. Also. I can now ride with my face shield up and there is no wind noise. That means I can hear my bike running as I cruze down the highway. The only negative I have seen is that if you are riding into a strong headwind it will cut your top speed by 5 to 10 mph depending on how strong the wind is blowing. If there is no wind then I still can do my top speed of 65 mph.
Re: windscreens and mpg on PCX 150
Posted: Thu Jul 17, 2014 11:49 pm
by flyingzonker
stryder123 wrote:My personal experience with the GIVI tall windscreen on my PCX150 is that it does not seem to change the gas mileage for better or worse. It does get rid of all buffeting and for some reason makes the bike more stable in cross winds and around heavy traffic. Also. I can now ride with my face shield up and there is no wind noise. That means I can hear my bike running as I cruze down the highway. The only negative I have seen is that if you are riding into a strong headwind it will cut your top speed by 5 to 10 mph depending on how strong the wind is blowing. If there is no wind then I still can do my top speed of 65 mph.
I've read that some people claim that the tall screen somehow collects exhaust fumes or at least gives the exhaust an olfactory presence--I've just come from listening to some nonduality talks--that it didn't have before the screen was installed. You haven't noticed this?
Re: windscreens and mpg on PCX 150
Posted: Fri Jul 18, 2014 8:03 am
by Mgalutia88
The givi short screen gives a nice boost in aerodynamics while not adding as much surface area as the full screen. It will allow you to reach higher top speeds than the stock screen without crouching.
Re: windscreens and mpg on PCX 150
Posted: Sat Jul 19, 2014 5:41 am
by flyingzonker
Mgalutia88 wrote:The givi short screen gives a nice boost in aerodynamics while not adding as much surface area as the full screen. It will allow you to reach higher top speeds than the stock screen without crouching.
an aerodynamic boost--what's not to love? Probably look a little better than a high screen too.
Re: windscreens and mpg on PCX 150
Posted: Sat Jul 19, 2014 7:41 am
by DAB
flyingzonker wrote:
I've read that some people claim that the tall screen somehow collects exhaust fumes
Impossible, no mechanism to separate the fumes from the air
Re: windscreens and mpg on PCX 150
Posted: Sat Jul 19, 2014 8:12 am
by Mgalutia88
The screen creates a low pressure area that can suck in exhaust fumes is what they are.
Re: windscreens and mpg on PCX 150
Posted: Sat Jul 19, 2014 8:27 am
by dustin91
I have the tall Givi and noticed no perceptible difference in top speed. A strong enough headwind will hold you back with or without one, in my opinion.