Archive for February, 2010

Star Cars – Silver Screen Objects Of Desire, On Tyres

Monday, February 22nd, 2010

Who makes a movie? Usually, it’s a joint effort. In some films, however, it isn’t only the actors, director, crew and backroom staff that make the result memorable. It’s a car or cars and here are some we all know and love…

Roald Dahl and Ken Hughes scripted the 1968 film ‘Chitty Chitty Bang Bang’. Dick Van Dyck and Sally Anne Howes appeared in it but its specially-built star made it come alive. There were in fact six Chittys and not all ran on car tyres. One was the car in its dilapidated state, another appeared in all its rebuilt glory. Of the four others, the ‘hovercraft car’ is probably best remembered. This variation was lightened with aluminium copies of many of the brass parts. When the car had to be filmed suspended from a crane or helicopter during ‘flying’ sequences, its engine was removed to lighten it further.

Could you create a legend in just over seven weeks? In August 1965, US custom car builder George Barris was given a job to do. He had to produce a special car for TV and film work, as fast as possible. Luckily for him, a division of the Ford Motor Company had built a concept car ten years earlier. The Lincoln Futura made an ideal starting point. Barris fitted the 390 cubic inch (6.4 litre) V8-powered car with 15 inch cast alloy wheels, carrying Firestone Wide Oval tyres. Into the recipe went Cumming & Sander impact safety belts, a Moon aluminium gas tank, 2 Deist parachute packs with 10ft. diameter parachutes, and the ‘exhaust turbine’ was made from a five gallon paint can. If you need any further clues, the giveaway lies in the colour scheme. Threequarter inch fluorescent cerise stripes relieved the ‘Velvet Bat-Fuzz Black’ surface finish. Yes, we’ve been looking at the original 1966 Batmobile.

Now for a collection of vehicles, all but one of which set tyres to tarmac in reality. In 1969′s film ‘The Italian Job’, it wasn’t a real Lamborghini Muira that went into a river. It was a bodyshell on a crash-damaged chassis. However, when the film crew returned to pick up the pieces next day, they’d been stolen overnight!

Speaking of car tyres, the production crew got through quite a number with the Italian Job Minis. These were Mk.1 Austin Mini Cooper S cars; in the hands of stunt driving team L’Equipe Remy Julienne, they became legendary.

The film’s two E-Type Jaguars were Series One models, bought for a measly (for the time) £900 apiece. The red convertible registered 848 CRY, however, was restored and survives to this day. Michael Caine’s character’s 1961 Aston Martin DB4 convertible, scooped off its tyres by a digger, really did go down the mountainside – twice. In fact, the first take was unsatisfactory because the car was supposed to burst into flames (it didn’t because the man with the ‘explode button’ had to run for his life as the Aston plummeted towards him.) The ‘Aston Martin’ that we did see destroyed was a Lancia Flaminia 3c Cabriolet, dressed up by an excellent and obliging bodywork firm in Turin.

To close this little trip down memory lane, we can look at what is arguably the world’s most famous coach – ever. The six-wheeler that ended up with its rear tyres clawing at empty air at the close of The Italian Job was a Harrington Legionnaire. Perhaps the notion of reinforcing the cab so that the boarding Mini Coopers didn’t squash the driver was heralded with this: ‘Listen lads, I’ve got a great idea – er – er’.

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Rising Damp – How To Cope With Downpours And Floods

Monday, February 15th, 2010

Here in the UK, 52% of our days are overcast. Rain is a given and it is frequently very heavy. Consequently, we should be used to it and there is no excuse for ignoring it. It is also a fact that even car tyres in prime condition inflated to the recommended pressures can struggle to cope, especially in particularly heavy rain and floods.

In heavy rain, you need two things, grip and visibility. Good wiper blades and a full screenwash bottle are essential. Doubling the distance to the vehicle in front is equally necessary. When the rainfall approaches biblical proportions, you could encounter standing water. Car tyres are designed to offer a grip by clearing water from the area that contacts the road surface. In extreme conditions, they can no longer sweep water away quickly enough. This can lead to a phenomenon called aquaplaning, in which the tyres skim along the surface of the water. Should this happen, you may find out the hard way.

How? Try to brake and very little will happen because the tyres have no grip; the same goes for steering control. A sudden, suspiciously light feel to the steering is an excellent clue to aquaplaning and the ‘cure’ is to gently lift off the accelerator; you will feel the tyres regaining their grip. Nobody who’s experienced it would deny that aquaplaning is frightening. Should it happen, it will quickly educate you into matching your road speed to the prevailing conditions.

Sometimes, rainfall becomes so heavy that the roads’ and their drainage systems can’t cope with it. Here, flooding is not only a risk, it is practically a certainty. The secret of coping with significant flooding is to employ forethought. ‘Look before you leap’ is a long established proverb and in many respects, it applies to flood driving. You shouldn’t attempt to drive into floodwater without knowing how deep it is. Tall 4x4s apart, modern cars have an engine air intake positioned quite low down. The snag is that water, unlike air, is incompressible. Should water enter the engine, the pistons will be stopped dead in their tracks. This will completely wreck the engine.

So, what do you do when you see floods ahead? A simple rule of thumb is that being able to see the road surface means you can see how deep the floodwater is. Assuming you can see the depth of the water, flood driving goes like this.

Drive straddling the white line. Being on the crown of the road puts you where the water is shallowest.

Drive in a low gear, at a slow pace. Creating an impressive bow wave is a very good way to drown your engine but keeping the engine revving will prevent water’s entering the exhaust and causing a stall.

Should the engine come to a dead halt, it’s likely the worst has happened. Depress the clutch immediately and do not attempt to restart the engine. Damage may already have occurred; turning the engine will make it worse.

Should another vehicle be approaching from the opposite direction, make every effort to let it negotiate the floodwater first. This is for two reasons. One, if you both have to move across to let one another pass, you’ll both be in deeper water. Two, if the oncoming vehicle ingests water and dies mid-flood, you’ll be prompted to not try negotiating the flood yourself.

Finally, remember that brake pads can ‘aquaplane’ on wet discs, leaving you without brakes. On leaving the flooded area, apply the brake pedal for a short while, to dry the discs.

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