04-03-2020, 02:52 PM
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#191 (permalink)
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Yeah, it seems Air Tabs don't work on aerodynamic cars according to the video. However, the video does cite a study which gives credence to their benefit on heavy 18-wheelers, which probably is the main use they are marketed to.
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04-03-2020, 04:19 PM
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#192 (permalink)
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Quote:
Originally Posted by Gasoline Fumes
But they might be taller!!!
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the tires warp at 32psi that could cause aero drag and a blow out lol |
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04-03-2020, 04:59 PM
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#193 (permalink)
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Quote:
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the tires warp at 32psi that could cause aero drag and a blow out lol
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Not getting the joke.
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04-03-2020, 08:40 PM
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#194 (permalink)
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Quote:
Originally Posted by MeteorGray
Yeah, it seems Air Tabs don't work on aerodynamic cars according to the video. However, the video does cite a study which gives credence to their benefit on heavy 18-wheelers, which probably is the main use they are marketed to.
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That is not a very good summary of the video.
1) on some trucks they don't work
2) they can work very well on aerodynamic cars, if used correctly |
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04-03-2020, 11:15 PM
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#195 (permalink)
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Quote:
Originally Posted by freebeard
Not getting the joke.
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when the air pressure is low, the tires they will have flex in the sidewalls outward compared to the top half of the tire which would cause turbulence ..
some vehicles the tire sitting outside of the wheelwell which would increase the aero drag as well
this is a tire in motion
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04-03-2020, 11:55 PM
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#196 (permalink)
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Okay, I get it, I guess.
The pooched-out sidewall is motionless [unless drifting], while the top is moving at 2x the vehicles velocity. 
Also much of the turbulence is sideward at ground level as the tread presses the air into the ground. I don't see much solution for that.
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04-06-2020, 05:15 AM
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#197 (permalink)
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My guess on aero cars of the future
https://youtu.be/1GueDnf-bWQ |
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04-08-2020, 01:37 PM
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#198 (permalink)
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video
Thanks Julian! A thoughtful presentation,and compact enough not to lose an Americans' brief attention span.  
I hope for a few more years just to see what trends emerge.Thanks again.
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04-10-2020, 03:54 AM
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#199 (permalink)
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Measuring the thickness of boundary layers - https://youtu.be/vGwyAQdS1z0
Cheap and easy! |
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04-10-2020, 05:00 AM
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#200 (permalink)
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Interesting to use repurposed model airplane parts.
It looks like some sort of articulated mount would save a lot of starting and stopping.
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