Tag Archives: Tesla

Make Things Happen

nothing happens unless first we dream

That Jigsaw Does Turn Into a Car

The first step in almost every journey is knowing where you want to go.  The first step in any project is knowing what it is that we want to achieve.  To achieve anything meaningful we must first have some sort of a plan.

We choose to go to the moon in this decade…..  ~ President John F. Kennedy

Less than seven years later Neil Armstrong was the first man to step onto the surface of the moon.  The whole Apollo program cost about $25.4 billion, and that dream only took about a thousand years after the rocket was invented in China.  The lesson is that to realise our dreams we must not only have a plan, we must also have the means and the perseverance to keep on going when it all seems hopeless.

There are a couple of pertinent lessons from history;

If at first you don’t succeed try, try, and try again.  ~  Robert the Bruce

and perhaps this more interesting and valuable piece of advice;

The definition of insanity is doing the same thing over and over again, but expecting different results.  ~  Albert Einstein

However, one must always remember that some dreams are totally misguided and the projects they turn into become utterly stupid delusional chimera.  One example of a dream turning into a South Sea Bubble is Tesla, the Californian manufacturer of expensive electric cars.  Despite that their least expensive Model 3 costs some £39,000 in England, and their most expensive roadster will set you back about £200,000, it will take about 1,600 years for the company to earn back the amount of money invested in it.  Frankly, I think you’d be better off investing in bitcoin, and that’s the investment equivalent of playing roulette.

A fool and his money are soon parted.  ~  King James Bible

The dreams of most men revolve around the equilateral triangle of money, sex, and power ~ and the greatest of these is money.  Given enough funds most men can get all the casual sex they want.  And, if you have enough money, some ‘friends’ and lots of perseverance, even a stupid man can become very powerful.  I cite Presidents Trump and Biden as my examples.

Some say that the mark of a man is not what he achieves, but what he longs to achieve.  And that all human activity is driven by desire.  All I know is that we should be very careful what we set our heart on ~ we may get it.

~

jack collier

jackcollier7@talktalk.net

that’s supposed to be an ark

oh Good Grief!

Tesla and Baked Alaska

Tesla_Model_S_Black_0008

Electric automobiles have been around since the 19th century, Englishman Thomas Parker built the first production electric car in 1884.  The land speed record was held by en electric car until 1900.   Not much has changed since The Electric Construction Corporation’s car to today’s Tesla.  (Nikola Tesla was a Serbian physicist.)

ALL electric cars have 5 main systems;

  1. electric carThe Vehicle.  Since the early days this has standardised around 4 wheels, a chassis, and something to keep the rain off.  The modern Tesla is maybe better looking and a hell of a lot more sophisticated than a 19th century dog-cart.
  2. The Electric Motors.  These convert electrical energy into mechanical energy, (and nowadays they also convert mechanical energy back into electrical energy via braking regeneration).  Again these are far, far better and more sophisticated than they were in Victorian England, but the basic principle hasn’t changed at all.  Electric motors as used in cars have one huge advantage over the internal combustion engine ~ massive torque at low rpm, so no separate gearbox is needed.
  3. The Control System.  Modern methods of controlling the amount of electricity that gets to and from the electric motor / dynamo are light years ahead of how it used to be done, which was basically a variable resistor.  The Tesla has computerised Intelligent Motor controllers.
  4. teslafireThe Batteries.  This is the Achilles Heel of electric cars.  Batteries are bulky, heavy, expensive, can burst into flame, and have a limited life.  Early electric cars had a lot of damn heavy lead-acid batteries, of exactly the same type as a normal car has at the heart of it’s electrical systems.  The Tesla uses a hell of a lot of lithium-ion batteries, of exactly the same type that powers your mobile phone and laptop / tablet…
  5. The Power Source.  Electricity doesn’t appear for free out of thin air, it has to be generated from a primary energy source.  For pure electric cars, like the Tesla Model S, this means plugging them into mains electricity to charge the onboard batteries.  Hybrid cars also have an onboard internal combustion electricity generator. (Which makes one wonder why all the batteries and other complicated stuff?  Why not just connect the petrol engine directly to the wheels?  Oh, we’ve done that, it’s called a normal car.)

The Weak Point of any electric car is battery life.  This comes in 2 flavours;

  • Range.  How far can one drive on one battery charge?  The Tesla Model S is supposed to do either 230 miles, or 320 miles, on one charge.  (Depending on how big a battery you’ve bought.)  That’s assuming a constant 55mph, (and that you’re not killing the A/C).  Also, charging a battery at a normal plug in socket will take 30 hours.  In normal, everyday, long-distance motoring, that’s as much use a cell phone in a lifeboat, in the middle of the Atlantic ~ no damn use at all.
  • Total Battery Life.  How long will the vastly expensive lithium-ion battery pack last before it’s only so much junk?  All batteries have a finite life, so how long will the battery in a Tesla last?  If you drive it every day, then my guess is performance will start to fall off, (a lot), after 4 or 5 years.  Total usable life?  I have no real idea.  Hey, I know the theory of making baked Alaska, but any real attempt by me would be just embarrassing.  (If you want to be an expert start with Arrhenius’ Law.)

poppies-lupineTesla make great looking, technologically advanced cars, with one huge flaw ~ all batteries eventually die, even sophisticated rechargable batteries die eventually.  One day the battery pack in your Tesla will reach the end of its usable life.  But the Tesla is a fashionable throw-away product, made for fashionable throwaway people.  (It’s also very unethical and environmentally damaging.  Recycling lithium-ion batteries is damn difficult.  You get toxic waste, not wildflowers.)

I would drive an electric car, if I had to.  I would not choose any electric car for a cool road trip.  The Tesla is very sexy looking, but it’s got no soul.  For the price of a Tesla, I could buy a really cool car instead.

jensen-interceptor

~

tesla-roadster-model-sjackcollier7@talktalk.net

liebster-12

 

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