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Originally Posted by freebeard
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Nice project example, I don't remember that one, thank you for posting it.
I call that chin spoiler a "rural" solution as it would not survive parallel parking on urban streets.
It should be able to survive college and grocery store parking lots because the car is so short and does not take the full length of a parking space.
The upper rear wheel partial covering (
skirt) might do a tad better if the leading edge were tucked into the opening, but one has to admire the simple installation as shown.
EDIT:
As far as gaps in a chin spoiler go, this was done on the 1964-1973 Porsche 911, not sure why though.
FS: S Fiberglass Front Bumper for Early 911
http://forums.pelicanparts.com/porsc...rly-911-a.html
EDIT-2: I found this......................
Storm tested: Adaptive Aerodynamics
https://newsroom.porsche.com/fallbac...ted-10734.html
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Based on this experience, Porsche equipped the 911 S with the first front spoiler in 1971. It accelerated the air flow underneath the vehicle, diverted some of the air around the sides and therefore reduced aerodynamic lift of the vehicle’s front section. The advantages were improved directional stability and easier controllability. The Carrera RS 2.7, designed for motor sports in 1972, brought a milestone in aerodynamic development to the market: Not only was it equipped with a low-slung front spoiler, but also with a distinctive spoiler over the bonnet - the legendary “ducktail”. Both add-on components improved airflow around the 911 and reduced aerodynamic lift and drag. The result: The Carrera RS 2.7 was particularly fast and efficient, while also offering excellent road-handling characteristics at high speeds. One year later, the prototype of the first 911 Turbo further intensified on-going aerodynamic development of the 911 chassis with a large, fixed rear spoiler.
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