Thread: Hood Bra
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Old 05-18-2023, 01:21 PM   #8 (permalink)
aerohead
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'protrusions'

Quote:
Originally Posted by ukiltmybrutha View Post
I have an Mk4 Jetta TDI with a damaged hood. It is next to impossible to find one in my vehicle's color and I hate paint work....especially on hoods. The damaged area can be cut out and then covered by a hood bra.

I was wondering if the 2 protrusions on the top of the bra might hurt mpg.

Any ideas?

Thanks.
Are they the sewn-on bug deflectors?
If so, while they would cause a local flow separation, they would be embedded within a favorable pressure gradient, the flow would reattach, and you'd just be dragging two little separation bubbles around wherever you went.
The cost of feeding the turbulence would be weighed against the cost of replacing the windshield, should a small pebble tossed up from a vehicle ahead of you not be deflected.
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