Re: Slotted Brake Disc Surface Area

[Piloto@domain.elided]

>What am I missing here? I thought any time you removed metal from the
>surface of the rotor, be it drilled or slotted, that you remove surface area
>and not increased the area. If my math is correct and it probably isn't, if
>you drilled 25,  <" holes you would lose 3.025" of area. And if the rotors
>surface is 2" and you put 10, 1/8" slots you would lose 2.5".
>
>Help me if I'm wrong.
>
>Cordova Ralph
>Ralph Fetsch
>Cordova Tennessee
>1991 Spider Veloce w/auto
>1964 Giulia 1600 Spider

I believe the reference is to "cooling surface area" which would be increased 
by slots, drilled holes, grooves, etc. on the brake disc.

John Maclay
'64 2600 Spider
'91 164 L

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