Maybe that's why manufactures always refer to it as a parking brake to avoid liability. Have you ever tried to stop a mid size car at 70 mph with the hand brake? Not exactly an emergency stop. The diagonal split allows better braking if just one circuits working than a front to rear split if just the rears are working.Īnother thing to consider is how much effective braking force is obtainable with a mechanical hand pull system. This doesn't work though if you want to adjust front rear bias, so the system needs to be split front and rear on separate circuits in that case. Usually the system is split diagonally with the left front right rear and right front left rear on separate circuits. But modern systems have two separate hydraulic circuits so there is already built in redundancy. Is it an emergency brake or a parking brake? If it's an emergency brake then it's a back up to the regular hydraulic system in case that fails. Now you have to consider what a modern emergency/parking brake really is. This saves weight and means less parts to break. They did have a parking brake of sorts which was a hand brake handle under the dash that connected to the brake pedal so that you could pull the brake pedal down and lock it in position. Many of the original cars including the MKV that I'm familiar with had no separate emergency/parking brake. The Ultralite 2's are a direct replacement for the Ford Cosworth rear calipers. Prices are per caliper & Ex the Gordon Brown. Fortunately for me Frank Catt at Wealden Engineering was generous enough to donate a pair of Billet 4's he had going spare. Not a cheap option, as the AP calipers were £300 a pair! Which, plus the cost of the calipers, would have been £770.00 per pair. Unfortunately, HiSpec are 2 years to late with this development for me as I had to use HiSpec Billet 4 calipers on the rear with a seperate AP Handbrake caliper. They have developed their Billet 4, Ultralite 2 & Monster4/6 calipers to include an integral handbrake.Prices are very reasonable & the quality of their calipers is exellent.Indeed, quite a few people I know are using several types & combinations of these calipers on their race cars. Front 8 POT-330 X 32 17″ RIM £1,198.80 inc.HiSpec Motorsport here in the Uk has solved the problem of having to install a seperate handbrake claliper. Because the design of the handbrake is combined with hydraulic. For the design of this product, the brake force will not be exactly as same as the original brake system when pulling the handbrake.We do provide 4 POT Dual Fuel Caliper for drift purpose.For the design of this product, the brake force will not be exactly as same as the original brake system when pulling the handbrake. The caliper has handbrake parking function, it is not design for drift purpose.It not only reduce weight of the brake system but also beautify the whole appearance. Our patent handbrake caliper is provided with both functions simultaneously. It is not necessary to use two calipers on one side. There will not be the problems with the implication between handbrake lever and pedal, and not the problems with the loose of oil pressure.
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