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I supported Toymods
Location:
NE Melbourne
Registered:
May 2002
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Re: Disc Rotor changes
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Tue, 29 October 2002 10:26
 
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Norbie
"in the case of cross-drilling, decrease the overall surface area as well! "
i'm sorry but the i must correct you here... cross drilling actually increases the surface area of the disc, but not the clamping face of the disc. the internal dimentions of the "cylinder" produced by the holes is greater than the surface area lost at the ends of this "cylinder" the overall effect of this (although only very small) is to increase the ability of the steel disc to dissapate heat to the air around it because of the increased surface area.
so for those interested the addition of holes in the disc is for increased cooling degassing and weight reduction... but he main idea of degassing is taken care of by slotting. on a standard disc, drilling can lead to cracking at the edges of the holes, so for performance use slotting is most effective and often the only used means of better braking... ever noticed that many race cars now use only slotted discs???
in my opinion drilled discs carry only a "wank" factor and although drilling is a sign of increased performance, slotting only is often the best option for street use.
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| | Subject | Poster | Date |
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Disc Rotor changes
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partyjase | Sun, 27 October 2002 03:33 |
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Re: Disc Rotor changes
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mrsmart | Sun, 27 October 2002 06:46 |
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Re: Disc Rotor changes
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Norbie | Sun, 27 October 2002 08:18 |
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Re: Disc Rotor changes
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Blown86 | Sun, 27 October 2002 08:31 |
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Re: Disc Rotor changes
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partyjase | Sun, 27 October 2002 09:08 |
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Re: Disc Rotor changes
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Blown86 | Sun, 27 October 2002 09:19 |
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Re: Disc Rotor changes
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mrshin | Sun, 27 October 2002 10:20 |
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Re: Disc Rotor changes
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gianttomato | Sun, 27 October 2002 11:29 |
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Re: Disc Rotor changes
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Helmann | Tue, 29 October 2002 01:53 |
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Re: Disc Rotor changes
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Classique71 | Tue, 29 October 2002 09:56 |
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Re: Disc Rotor changes
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dorikin | Tue, 29 October 2002 10:26 |
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Re: Disc Rotor changes
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wilbo666 | Tue, 29 October 2002 10:43 |
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Re: Disc Rotor changes
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Classique71 | Tue, 29 October 2002 10:44 |
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Re: Disc Rotor changes
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dorikin | Tue, 29 October 2002 11:01 |
