Bling Bling Brakes
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Joined: Dec 2002
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From: singapore
Bling Bling Brakes
http://www.zmibrakes.com/home.html
check these suckers out , ti brakes for that extra bling . they sound good , but i wonder how they would hold up on the road or track ?
check these suckers out , ti brakes for that extra bling . they sound good , but i wonder how they would hold up on the road or track ?
PV = nRT
Joined: Jan 2003
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From: New Zealand (was California)
The thermal conductivity of titanium (Ti) is inferior to other metals such as aluminum, copper, iron, and steel.
http://www.apo.nmsu.edu/Telescopes/S...roperties.html
http://www.titanium.org/discus/messa...er2620031217pm
If you want fat brakes, make them out of diamond.
Code:
Heat capacity: Aluminum 2024-T3 963.00 J/kg*°C Aluminum 6061-T6 963.00 J/kg*°C Aluminum 7079-T6 963.00 J/kg*°C Copper - pure 385.00 J/kg*°C Iron 440.00 J/kg*°C Silver - pure 235.00 J/kg*°C Steel AISI 304 503.00 J/kg*°C Steel AISI C1020 419.00 J/kg*°C Titanium B 120VCA 544.00 J/kg*°C Water 4216 J/kg*°C Thermal Conductivity: Aluminum 2024-T3 190.40 W/m*°C Aluminum 3003 233.64 W/m*°C Aluminum 6061-T6 155.80 W/m*°C Aluminum 7079-T6 121.10 W/m*°C Copper - pure 392.90 W/m*°C Diamond 550.00 W/m*°C Iron 83.50 W/m*°C Silver - pure 417.10 W/m*°C Steel AISI 304 16.27 W/m*°C Steel AISI C1020 46.73 W/m*°C Titanium B 120VCA 7.4420 W/m*°C Thermal expansion coefficient: Aluminum 2024-T3 22.68 µm/m*°C Aluminum 6061-T6 24.30 µm/m*°C Aluminum 7079-T6 24.66 µm/m*°C Copper - pure 16.56 µm/m*°C Silver - pure 19.80 µm/m*°C Steel AISI 304 17.82 µm/m*°C Steel AISI C1020 11.34 µm/m*°C Titanium B 120VCA 9.3600 µm/m*°C
http://www.titanium.org/discus/messa...er2620031217pm
If you want fat brakes, make them out of diamond.
Last edited by clayne; Mar 30, 2004 at 03:41 PM.
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From: Dallas
I think there's a lot more marketing than braking going on here 
When I look at the way that rotor is milled I see a big spring. Everyone also realizes these rotors are thinner than stock?
They do have two FD kits though. One with 12" rotors for $3600 and one with 13" rotors for $3725. Keep in mind their kits are only for the fronts!
Oh well. There was a pic in the FD section earlier this week of an STI rear caliper bolted to the rear of an FD. Everyone was ready to buy it and they have no idea wtf it will do for the car, let alone if it's even better than stock!
When I look at the way that rotor is milled I see a big spring. Everyone also realizes these rotors are thinner than stock?
They do have two FD kits though. One with 12" rotors for $3600 and one with 13" rotors for $3725. Keep in mind their kits are only for the fronts!
Oh well. There was a pic in the FD section earlier this week of an STI rear caliper bolted to the rear of an FD. Everyone was ready to buy it and they have no idea wtf it will do for the car, let alone if it's even better than stock!
PV = nRT
Joined: Jan 2003
Posts: 2,250
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From: New Zealand (was California)
Not only is titanium incapable of conducting heat quicker than say aluminum or steel, it also has less ability to store heat for the same amount of mass.
And yea, another product for externally fashion-focused individuals to dump cash on.
And yea, another product for externally fashion-focused individuals to dump cash on.
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Joined: Feb 2001
Posts: 9,617
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From: Dallas
From the website here are the 4 pillars of ZMI:
Rotational Weight - reduce the amount of rotating weight for faster acceleration, better handling and improved braking performance
Un-sprung Weight - reduce the amount of weight in a brake system to help reduce un-sprung would lead to a more responsive suspension
Gyroscopic effect - by reducing rotating weight you can reduce the gyroscopic effects and improve steering response
Balanced Brakes - a balanced system allows the front and back brakes to work together to stop a vehicle in a controlled but very fast manner
I must give them credit. No where in there does it say you will stop quickly! What a bunch of sh*t.
Rotational Weight - reduce the amount of rotating weight for faster acceleration, better handling and improved braking performance
Un-sprung Weight - reduce the amount of weight in a brake system to help reduce un-sprung would lead to a more responsive suspension
Gyroscopic effect - by reducing rotating weight you can reduce the gyroscopic effects and improve steering response
Balanced Brakes - a balanced system allows the front and back brakes to work together to stop a vehicle in a controlled but very fast manner
I must give them credit. No where in there does it say you will stop quickly! What a bunch of sh*t.
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PV = nRT
Joined: Jan 2003
Posts: 2,250
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From: New Zealand (was California)
I noticed the same thing Damon.
I see a lot of shouting and yelling on their part about the reduction of rotational and unsprung weight (plus they really love to talk about the gyroscopic issue as if we're driving a motorcycle) - which is all valid - but the mention of thermal abilities seem to be very minimal.
If Ti's thermal conductivity and storing abilities are crap compared to aluminum, where's the heat going to go when the pad has nowhere to transfer it to?
As far as I can tell, nowhere. Which means the ability for the pad to actually generate friction (i.e. transfer kinetic to heat) will reach a saturation point very fast unless you had an awesome ducting setup.
I wonder how this setup works with narrow tires vs wider tires?
PV = nRT
Joined: Jan 2003
Posts: 2,250
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From: New Zealand (was California)
I just remembered the great elastic properties of titanium as well.
Bouncy rotors.
See, titanium still gets a lot of hype. Sooner or later the public will have to realize that properly structured aluminum is pretty damn good - from a weight standpoint.
Bouncy rotors.
See, titanium still gets a lot of hype. Sooner or later the public will have to realize that properly structured aluminum is pretty damn good - from a weight standpoint.
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