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Classic Austin Mini Lightweight Steel Clutch Pressure Backplate

Classic Austin Mini Lightweight Steel Clutch Pressure Backplate

Classic Austin Mini Lightweight Steel Clutch Pressure Backplate

Classic Austin Mini Lightweight Steel Clutch Pressure Backplate

Classic Austin Mini Lightweight Steel Clutch Pressure Backplate
Qty:
$240.26
Part No: C-AHT230PH
In Stock
SALE Price $240.26
List: $269.95
You save: $29.69
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Classic Austin Mini Cooper-pressure Plate Backplate Clutch-competition
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This is an even lighter weight version of the standard pressure plate, manufactured in chrome-moly steel for competition or hard street driving. At just 2.5 pounds this is probably the best combination of strength and weight you can find. This backplate can be used with any Mini flywheel from stock to full competition. The stock pressure plate is 5.88 pounds.

When the flywheel of a car is lightened it can have a great effect on acceleration - much more than just the weight saving as a proportion of the total vehicle weight would account for. This is because rotating components store rotational energy as well as having to be accelerated in a linear direction along with the rest of the car's mass. The faster a component rotates, the greater the amount of rotational kinetic energy that ends up being stored in it. The engine turns potential energy from fuel into kinetic energy of motion when it accelerates a vehicle. Any energy that ends up being stored in rotating components is not available to accelerate the car in a linear direction - so reducing the mass (or more properly the "moment of inertia") of these components leaves more of the engine's output to accelerate the car. It can be useful to know how much weight we would need to remove from the chassis to equate to removing a given amount of weight from the flywheel (or any other rotating component). For every 2 pounds of weight savings on the flywheel at a 5" radius, the weight of the car would have to be reduced by about 75lbs for the same result in improved accelleration.
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Related Technical Articles:
PRESSURE PLATE- Pre-Verto & Verto types
Created: November 30, 2000
Apart from the very first one that should be avoided at all costs (cast in part no. 2A3509,) there are an astonishing five other types generally available. For high-tech ones see 'Flywheels & Pressure plates - technical advances'.
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