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Author Topic: Starting an F1 car  (Read 2650 times)

Offline Wizzo

Starting an F1 car
« on: May 05, 2006, 10:46:14 AM »
A complex system is deployed to start a Formula One car, numerous components are utilised in this secretive action, without which the car would go nowhere. When you consider that an F1 car is around ten times more powerful than a road car, you realise that it takes more than just the twist of a key to get it running.

The electrical starter motor is an external unit, held by a mechanic, which features a long wand that is plugged into the back of the gearbox. In simple terms, when he pushes the starter motor’s button, 24 volts are put through the gearbox to turn the engine. The starter has a remote battery supply, which is fitted to a trolley and pulled by the mechanic, the car either being started on the grid before a race, or in the garage or pitlane during testing.

First of all, the mechanic inserts the wand in the gearbox, he then receives a signal to push the starter motor button. This turns the engine over until the engineers are happy with the engine speed and oil pressure and – using a laptop – they will effectively turn the ignition on.

Because the motor has such a kick in it, there is a reaction arm which hooks up on to the rear wing to stop it coming out of the mechanic’s hand.

The starter motor features a set of gears and clutch, and as the engine will move five times faster than this, for safety there is a sprag clutch. This acts like the freewheel on a bicycle, allowing the mechanic to withdraw the wand without any danger to himself. Another safety measure is the break-off clutch, which will prevent an accident should the engine backfire.

While the starter motor itself is an off-the-shelf unit, modified to cope with the high voltage passed through it, the wand, gears, clutch and electronics are all produced in-house. A range of materials are used for the construction, including aluminium for the main body and steel for the wand.

The starter is made to be reliable, not light, which is one of the benefits of having an external unit, In the past, cars had an on-board starter, and this had to be as light as possible so an air starter was used. Now teams concentrate on durability and this is generally a trouble-free piece of equipment.

Technical Specification
Overall length: 120cm
Weight: 15 kilos
Power: 24 volts

« Last Edit: May 05, 2006, 10:49:53 AM by f1wizard »

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  • Guest
Re: Starting an F1 car
« Reply #1 on: May 05, 2006, 07:48:49 PM »
Good information and photographs


  • Guest
Re: Starting an F1 car
« Reply #2 on: May 27, 2006, 12:22:08 PM »
great piece!!! always thought that those things rotate to crank up the engine.  :-[


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