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Tesla Roadster

The light fantastic

Is it the best thing since sliced bread or the longest technological cul-de-sac outside of a Milton Keynes housing estate?

Tesla Roadster

Tesla Roadster

 
Our own experience suggests that you’d probably easily get 150 miles from one charge in mixed driving, and maybe up to 230 on a slow commute.
One thing’s for sure – when Octane’s editorial team got their hands on the all-electric Tesla for a day recently, there wasn’t a single one of us who didn’t come back into the office wearing a grin a mile wide.

The fun starts when touch the throttle for the first time and glide away in utter silence, as if a giant hand is gently pushing on the boot lid. It’s a weird sensation, and especially so when you’re sitting in what appears to be a Lotus Elise clone.

But the real amusement comes when you floor the throttle. The car emits a delightful but muted whoosh – like the noise made by a jet airliner when its engines are being run up just before take off –  and then rockets into the distance. This is indeed slingshot acceleration: nought to 60mph in less than four seconds, and on to a maximum of 125mph.

So how does it achieve this impressive feat? Well, battery technology has improved enormously over the last few years, and the Tesla has a bank of no fewer than 6831 Lithium-Ion cells that generate the equivalent of 248hp. That power is transmitted by one big electric motor through a single-speed gearbox, and since an electric motor delivers maximum torque from zero revs, there’s no hanging around waiting for turbos to spool up or cams to come ‘on song’. You push the throttle, it goes.

Ah yes, you say, but it’s dashed inconvenient running out of electricity only 55 miles from home (the range that BBC TV’s Top Gear claimed it achieved on its test track) and then having to wait 16 hours for a recharge. Well, it appears that whatever the reason for TG’s car apparently dying, it wasn’t lack of battery power – there was plenty left – and, if you buy a Tesla, a nice man comes along and instals a fast charger in your garage that will rejuice the car in 3.5 hours.

Our own experience suggests that you’d probably easily get 150 miles from one charge in mixed driving, and maybe up to 230 on a slow commute. (If your commute is even longer than that, you need to move house or change jobs.) That’s certainly enough for most needs, whether daily driver or weekend toy. Incidentally, when you plug the charger into the car, its socket glows and pulses like an Apple Mac – a clear hint about the type of style-conscious early-adopter this car is aimed at.


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Tesla Roadster
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Conclusions

Ironically for such a radical machine, the fact that the Tesla looks very much like a Lotus Elise renders it almost invisible to most passers-by. In fact, only 7% of the car is shared with the Elise. It’s also considerably heavier than the baby Lotus, at 1280kg compared with the Elise’s 860kg. That inevitably has an effect on handling, and the steering feels slightly inert at lower speeds – apparently because the geometry has been set-up for economy rather than ultimate precision – but, given its Elise starting point, the Tesla is still miles better than most cars on a twisty road.

Some critics claim that the Tesla is too expensive and too late; hydrogen fuel cells are the answer, they say. They certainly have a point about the price: at current exchange rates you could easily pay over £100,000 for a Tesla when it goes on sale in Europe later this year. But then, hydrogen refuelling points aren’t to be found on every street corner at the moment, nor will they be in the immediate future. And battery costs will certainly fall as technology advances. Incidentally, the Tesla’s battery pack is forecast to last 100,000 miles or five years, and the cost of recycling them is built into the car’s purchase price.

So, is the Tesla one giant leap for mankind, or a step in the wrong direction? Time will tell – but either way it’s a fun way to get there.

 
 
 
 

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