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| Home > Help Needed / General Tech Chat > 4 pot calipers, just how good are they? | |||||||
 7765 Posts Member #: 74 I pick holes in everything.. Chief ancient post excavator |
21st Mar, 2011 at 12:08:22pm
On 11th Mar, 2011 jamie@thefatgarage said:
Brakes basically convert movement into heat. The more you move or the faster you move it the more heat is generated. At a given point it all gets too hot and stops working as well, which is why you have to push the pedal harder and harder. 10" brakes and fast driving will result in things getting hot. Welcome to the world of brake fade. Solutions are: 1. Brake less (cheap option) 2. Cool the brakes better (vented etc) 3. Bigger brakes (best option) Pads and calipers make a small difference, but ultimately the brakes are too small for a quick car driven fast. I cannot agree on this. I race a Mini on 10s, and Miglias are on 10s and one carn hardly say that these are lacking in the brake department. O On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem. |
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 665 Posts Member #: 9345 Post Whore Sheffield |
21st Mar, 2011 at 03:39:44pm
If you read his OP he was taking friends for spins. Extra weight plus all the other stuff race cars don't carry around will make for more energy to be passed into the brakes.
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665 Posts Member #: 9345 Post Whore Sheffield |
21st Mar, 2011 at 03:49:27pm
The other consideration is that the best solution for lap time as opposed to just braking includes considerations like unsprung weight, which means racers may compromise with smaller brakes. Road users will more often choose to bias that decision towards braking power as they rarely benefit from slightly lower unsprung weight on the road. Other things also affect the choice, like overall wheel diameter, grip, the nature of the tracks raced at etc etc. |
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 11046 Posts Member #: 965 Post Whore Preston On The Brook |
21st Mar, 2011 at 06:28:33pm
On 21st Mar, 2011 Vegard said:
On 11th Mar, 2011 jamie@thefatgarage said:
Brakes basically convert movement into heat. The more you move or the faster you move it the more heat is generated. At a given point it all gets too hot and stops working as well, which is why you have to push the pedal harder and harder. 10" brakes and fast driving will result in things getting hot. Welcome to the world of brake fade. Solutions are: 1. Brake less (cheap option) 2. Cool the brakes better (vented etc) 3. Bigger brakes (best option) Pads and calipers make a small difference, but ultimately the brakes are too small for a quick car driven fast. I cannot agree on this. I race a Mini on 10s, and Miglias are on 10s and one carn hardly say that these are lacking in the brake department. O and i would have to disagree about making any comparison with any race car and a road car, since pad material suitable for a race car is not really suitable for a road car, although some do try. On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be... So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'... On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........ |
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7765 Posts Member #: 74 I pick holes in everything.. Chief ancient post excavator |
21st Mar, 2011 at 09:51:20pm
If I were to run a spirited road car, I'd fit carbon metallic pads. However, I couldn't be arsed washing my wheels every 15 minutes.
On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem. |
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31 Posts Member #: 9334 Member |
22nd Mar, 2011 at 01:17:35am
Dot 4 should be up to the job on a road car. You probably mean Dot 5.1 - Dot 5 is Silicone fluid and shouldn't be mixed. |
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 530 Posts Member #: 1192 Post Whore In the garage......again!! |
22nd Mar, 2011 at 09:04:17pm
On 22nd Mar, 2011 TMF interloper said:
Dot 4 should be up to the job on a road car. You probably mean Dot 5.1 - Dot 5 is Silicone fluid and shouldn't be mixed. Thanks for that 133.5 bhp 123 lb torque 116mph @6640rpm 9.5psi
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