[Es2] Windshield

[Brandon Hull]

Ditto; it's legal for example in PCA club racing but almost no one uses
it since it is only good for a few outings.  Just doesn't last and is
toast the first time you use the wipers.  

> 
> Lexan is not a very good choice for a windshield.  While it 
> is extremely 
> durable, it scratches VERY easily.  Hence the use of tear 
> away shields 
> on helmuts, etc. that use lexan lenses. Running windshield 
> wipers over 
> it with any dirt at all will quickly etch it,