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Old 10-28-2011, 03:53 PM   #21 (permalink)
COcyclist
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Join Date: Dec 2007
Location: NW Colo
Posts: 738

TDi - '04 VW Golf
TEAM VW AUDI Group
90 day: 52.55 mpg (US)
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Quote:
Originally Posted by Frank Lee View Post



This is what happens when an airdam has curved ends, and then hits something, and the ends have nowhere to go. Sure, it is possible to develop an airdam with curved ends that have provisions for the curved parts to disconnect and give way when hit to avoid breakage, but I've never seen that.

Any questions?
Frank is right on this one. This has happened with every car I have put a spoiler on, sooner or later. Rubber, fiberglass, polyurethane. On the Golf I followed the factory curve for a mini spat made from splash guard material and even that got crunched.

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Quote:
Originally Posted by freebeard View Post
The power needed to push an object through a fluid increases as the cube of the velocity. Mechanical friction increases as the square, so increasing speed requires progressively more power.
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