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MIT's Car of the Future

04/04/2011 5:56 PM

http://www.archinode.com/Archcar.html

MIT is one of the best concentrations of human intelligence. I used to have some friends there.
Now they join their best mechanical designers with the best Architect in curved shapes to get the best car for the Future.
But inventiveness is a delicate flower that grows well in the wild forests and not in sophisticated greenhouses.
Joining the best brains in a single project does not usually produce the best results.
Take this Car for the Future. They start by defining a box to contain two people seated side by side and another two (Or one) passengers seated just behind them.
This is a prerrational decision and this is probably where they make their first mistake.
The definition of what is a vehicle to transport people and things is as old as the invention of the wheel.
I am pretty sure that from the very beginning in Mesopotamia, people decided the dimensions of a vehicle, specially the track width.
This is a mysterious number (Track width) that has been kept practically unchanged since then, deciding the dimensional geometry of Cities and roads
Even MIT guys cannot get free of its spell.
The "Magic" 1.5-1.7 meter, was later translated to railways. And to everything else.
But in a completely "Rational" design of a land vehicle to transport people the modern designer must ask himself if the side by side seat layout is only a human desire or a real necessity.
Needless to say that I prefer to have passengers to my side and not ahead or behind me. But shall I impose this desire on the designer's mind?.
A large frontal crossection or width is a serious impediment to efficiency not only by increasing the drag, but even worse, by increasing the surface of thousands of Kilometers of roads.
A rational design for two people plus luggage should come to a vehicle of 0.65x1.50x2.00 meters. A person seated in this vehicle would have the same elbow space than in a typical modern car.
This is what I designed and built in 1950 just after leaving Engineering School.
Spain was still living in the aftermath of the devastation of the Civil War.
There were scarce cars and roads were just a long file of potholes.
I thought that we were in a good position to start a new philosophy of "Designing for scarcity".
Soon, the facts showed that I was absolutely wrong and that I miscalculated the frenzy of the common people to acquire goods as large as possible and to waste energy.
But it seems that time is working in my favor. There are signs that waste of Prime Materials and Energy should no longer be allowed
The Tiny Car I made had so many engineering problems, that up to date, nobody has solved all of them.
The worst is that due to its intrinsic narrowness it must lean in the curves.
And to do this in a safe way it needs complex tilting mechanisms.
A group of dedicated engineers and inventors has been lately working hard on the subject. But, up to date, nobody has evolved a perfect design.
So, as you can see, the Car of the Future would not be the MIT's one but probably these very narrow vehicles, invented and designed by intelligent individuals, not rich teams of engineers- architects.
BTW. One of the best conceived of these very narrow vehicles, Narrow Streets designed by Roy Gardiner of UK has recently lost a great opportunity of being mass produced in a Spanish factory ( Previously making Land Rovers and Suzukis) due to rampant political corruption A real pity!.
Being, by historical hazard, a pioneer in this Field, my opinion is that these new very narrow vehicles should be designed to avoid the sense of being a depreciation of the automobile.
The automobile is the clear descendant of the carriages of the nobility. (This is why the present feeling of "My car, my castle". That makes the drivers so aggresive)
But, in the same way that a modern motorcyclist does not feel any shame in front of a Ferrari or Rolls (Copying from the ancient Cavalier on horseback)., people in these new vehicles should not have any sense of inferiority, simply because they'll be driving something superior in many aspects
PS. Do not mention what to do with heavy trucks!. Simply: They should not be allowed in the roads. Long range transportation should be by Rail or Sea.
Local delivery: To be studied. For example, delivery tubes and so.
Nevertheless, the study of a mixed traffic of narrow and wide vehicles is very interesting.

A bad picture of the Gardiner nArrow Streets

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#1

Re: MIT's Car of the Future

04/04/2011 7:13 PM

I think This is the vehicle of the future!

(although I do like your design)

chris

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#2

Re: MIT's Car of the Future

04/04/2011 9:13 PM

As one of your harshest critics, I can embrace this concept as practical, or at least not over the top.

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#3

Re: MIT's Car of the Future

04/05/2011 12:04 AM

I am pretty sure that from the very beginning in Mesopotamia, people decided the dimensions of a vehicle, specially the track width. This is a mysterious number (Track width) that has been kept practically unchanged since then, deciding the dimensional geometry of Cities and roads Even MIT guys cannot get free of its spell.

The "Magic" 1.5-1.7 meter, was later translated to railways. And to everything else.

Rail guage link

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#4

Re: MIT's Car of the Future

04/05/2011 9:41 AM

Wonderful rail link! It says what I say.

Chris, your design is childish. Nothing wrong wih this!.

In fact I frequently wonder why Countries direct descendants of the British Empire are so extremely good at Tecnolgies. Simply they keep the youth in their thinking patterns.

Contrary to the descendants of the Spanish Empire that have "Descended" to extreme Technical inculture.

Your wonderful Hybryd looks very much like the BATmobile, extremely heavy and full of unnecesary fins. Fins are one typical dream of Americans (Cadillac and Ford future cars).

But unfortunately the automobile is now a serious threat to our common culture. They are too big and burn too much fuel.

Any sensible design for a future car should show.

1º-A minimum size to accomodate two people and some luggage.

2º- All the mechanical stuff should be inside the designed volume. No exterior pods or unnecessary fins.

I said that I probably am the pioneer in this Field. I only know of a predecessor, a german inventor (Neumann). But his was really a motorcycle.

Mine was on the roads by 1950. It had two main wheels and two side wheels directly operated from foot pedals to tilt the vehicle in dangerous moments. The usual tilt was accomplished by countersteer (The side wheels are inside the body).

Please do not laugh at the contraption! That was Spain in the worst moments of underdevelopment, after our war.

The guy at the wheel is me. Imagine how old I am!.

Here is another Rhombic (Diamond) car design. Look at how small it is.

Taking advantage of the tilting mechanism, I eliminate the doors, and open the whole body. That gives a very strong assembly.

It has many advantages. One is that practically all the mechanisms are in an easily detachable small subchassis

A "Practical" Design using a Seat (Fiat) Ibiza

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#5

Re: MIT's Car of the Future

04/05/2011 11:29 AM

Future? Just the pass catching up.

Morgan circa 1909 to 1953 They are going to start production on it again.

There is are also the Trihawk 1983

Aptera, Ventureone, T-Rex

There are others, many companies have jump on grants to produce high mpg vehicles.

One way is to cut vehicle size and weight.

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#6

Re: MIT's Car of the Future

04/05/2011 6:10 PM

It is really amazing to see how many people and even large corporations are working in these narrow (Or just small) vehicles.

But in the Googled list you cannot find the very best designs.

Try to find Philip James from Australia, he has invented a steering system where the wheels are totally disconnected. No steering links nor drive by wire. Nevertheless I am sure that this system will be used in most narrow vehicles. Interested? .

Tom Blackburn from USA has perfected the system.

And Roy Gardiner from UK has made the best looking Narrow in the World.

I think you may find them in "Groups Yahoo Tilting"

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#7

Re: MIT's Car of the Future

04/06/2011 6:19 AM

Just remember, such a small little car would get wiped out and blasted to smitherines by the trafiic in Johannesburg, South Africa, for example. It just would not be able to stand up to the hectic, ruggard style of driving over here ! I guess the authorities might not even allow such a vehicle on the roads over here.

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#8

Re: MIT's Car of the Future

04/06/2011 6:34 AM

Then ther is always the VW L1 which is said to get 258 MPG. Basically a modified Vespa enclosed in a shell

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#12
In reply to #8

Re: MIT's Car of the Future

04/06/2011 10:17 AM

This is what I tried to send first time. VW L1

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#9

Re: MIT's Car of the Future

04/06/2011 7:06 AM

I was expecting a frantic interest by Chris to get some explanation of the "No link" steering system by my friend Philip the Australian.

chorete

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#10
In reply to #9

Re: MIT's Car of the Future

04/06/2011 8:01 AM

I'm only getting 5 minutes a day to look at cr4...

and I'm still trying to figure out the 'childish' thing. I'm not sure you expressed yourself with the right word?

can you show a picture of the no link steering? or provide a description of operation?

thanks,

Chris

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#11

Re: MIT's Car of the Future

04/06/2011 9:24 AM

Childish was intended to be flattering.

Old Civililizations like Europe tend to sclerosis and lack of imagination.

Our Miths like Don Quijote or Marxism are completely outdated.

The triunph of the powerless agaist the big Powers of reality

But Canada , Australia, New Zealand, and last but no least USA keep the freshness of youth.

YourMiths are childish but so powerful that have conquered the Planet, including China and other very old Civilizations. The triumph of powerful heros against the forces of evil.

Can you imagine something more toylike than the Batmobile?.

I do not know if you have noticed the extreme similarities of your vehicle for the Future with the Batman's car. Including the dull grey color of your main design.

If a modern Don Quijote had to have a car it would be a decrepit rusty car and not a shiny bullet car full of fins.

Unfortunately I do not have a picture of the FTC steering.

The one or two front wheels are "Free to cast". But they have a lot of "Trail".

You simply tilt the main chassis, using any power system, and the wheel(s) adopt automatically the steering angle mathematically needed, according to the vehicle's speed, to counteract the centrifugal force.

The system works wonderfully. The steering is Perfect not approximate as the Akerman.

Chorete

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#13

Re: MIT's Car of the Future

04/06/2011 10:19 AM

I think FTC needs further explanations.

If you tilt the chassis of a front wheel with a lot of "Trail" (Caster).

The reaction force in the contact patch and the vehicle's weight make a system of forces that tend to steer the wheel to same side of the tilting, but as soon as the centrifugal force appears, there is a tendency for the wheels to straighten out. These two forces get to a perfect equilibrium in the needed trajectory.

chorete

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#14

Re: MIT's Car of the Future

04/06/2011 1:37 PM

<http://www.youtube.com/watch?v=zq9KhtbbfNE&feature=related>

This a beautiful video of Tom Blackburn FTC. Could you believe that front wheels are free?.

This is why I say that most probably all the future narrow vehicles will have this steering.

chorete

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#15
In reply to #14

Re: MIT's Car of the Future

04/07/2011 12:31 AM

"Could you believe that front wheels are free?"

No - as there is clearly a track rod.

And for my money - it's steering is incredibly 'anti- progressive' - [seen where is ridden in the other video] - hence the huge turning circle.

Also it has enormous 'bump steer' offset. I'd want to see what is does in a high speed blowout situation.

The Ducati one is far ahead

This one probably further

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#16

Re: MIT's Car of the Future

04/07/2011 7:30 AM

The track rod is not necessary. It is there as a safety means.(Check with the inventor of the system, Philip James)

In fact if you use a rodless steering it would be much more precise.

Tilting vehicles is a very complex subject. To begin with, the vehicle you like (That I of course know very well) is wide tracked. So it does NOT need to tilt. To make it tilt is just a fancy. It only improves performances slightly. But in a very narrow vehicle tilting is absolutely mandatory.

I do not like Tom Blackburn contraption. It is too heavy and too wide, so it denies the philosophy of the narrow vehicles of being extremely light and small.

Unfortunately, although I have made many Narrow protos, the FTC is not my idea and so I have never tested it.

But according to Philip videos bump deviation is large, but steering is perfect because the instantaneous deviation of the wheel adapts it to the bump without producing any bump steering, contrary to all the other steering systems, that always show some bump steering.

I wonder why nobody says anything about the Diamond or Rhombic car.

Chorete

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34point5 (1); BJInvention (1); Chorete (7); chrisg288 (2); kvsridhar (1); lyn (1); ozzb (1); rlindey (2)

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