Why Reuse Design?

I think it's partly because since the Industrial Revolution education has mostly been communal rather than individual and in-family and small schools. The larger our public schools get, the dumber the graduates are and the more they think alike. Communial education tends to program minds into assembly line thinking in fields like science, building, manufacture design and so forth.Why have we wasted the braking energy in automobiles, for example, for over a century? Why haven't we designed brakes so that going energy is generated each time the brakes are applied? The same goes with bicycles, etc.A long time ago our automobiles should have had lift up complete front shells over engines like our big trucks have so as to expose the complete engine for repair etc.

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BUZSAW B 4 U 2 C Y BUZ SAW.
The immeasurable present eternally extends the infinite past and infinitely consumes the eternal future.

Yes, indeed! A hearty welcome, Frako. EvC welcomes some representation and imput from your country. Why should the apparatus need be electronic. How about a relatively large coiled steel spring (abe: /and or tortion bar) in the center region of the vehicle which winds some with application of brakes until the max is reached, energizing a release so as to unwind with subsequent acceleration, both conserving brakes and energy? No problem. Simlply improvise an aerodynamic steel crashbar around the engine compartment Additional mfg cost, likely a few hundred $$. Do the Buzsaw thing; Think out of the box. Edited by Buzsaw, : No reason given.

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BUZSAW B 4 U 2 C Y BUZ SAW.
The immeasurable present eternally extends the infinite past and infinitely consumes the eternal future.

They do, necessarily to the extreme for extreme application. The conventional highway auto version could be simple, relatively light and tubular.Trust me. Mr. and Ms auto buyer would trade a little design for an open engine compartment.

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BUZSAW B 4 U 2 C Y BUZ SAW.
The immeasurable present eternally extends the infinite past and infinitely consumes the eternal future.

I forgot to add the default brake drum, enclosing the spring which would serve as a brake subsequent to the maxing out of the fully wound spring.The hypothetical model in my mind would, of course, need be engineered for application. When I was a young man, one of my things was to collect and restore used and antique spring wound clocks and watches. While working with the mainspring movements was when this idea first came to mind. I never was good at getting rich quick. Fortunes seem to slip through my fingers, like a house in Ca which I sold for $30,000 which became a $150,000 house in one year and eventually a $450,000 house; the same buyer from me still residing in it. Oh well, like the Bible says, having food and clothes, let us therewith be content.

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BUZSAW B 4 U 2 C Y BUZ SAW.
The immeasurable present eternally extends the infinite past and infinitely consumes the eternal future.

So far, the responses have addressed the question of human reuse of design. The above opener in the OP, however, appears to hit on the ID supporters who advocate for intelligent design of all things, cosmological, biological and otherwise.The question which seems to be implicated in the above would be why the alleged ID designer who designed all things in the Universe reuses/replicates design. Some examples of ID replication would be the circular shape of global bodies in the cosmos, heart pumps in animals and mankind, universal forces such as gravity, male, female gender etc.IMO, replication of design by the designer is indicative of a single designer. Why do the majority of living organisms have male and female genders for reproduction? The logical answer is a common designer, whereas it would seem probable that natural mutations, especially in the primitive stages of alleged evolution would tend to alter, disrupt/deteriorate or loose reproduction via male/female functions, rather than to steadily cause it to advance into more complexity as it advances into the majority of organisms.If Taq considers this aspect of his OP off topic and so indicates, I will leave off on discussing this.

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BUZSAW B 4 U 2 C Y BUZ SAW.
The immeasurable present eternally extends the infinite past and infinitely consumes the eternal future.

Perhaps the models tried were too extreme. How about simple light and compact models which afford less energy, i.e. a little supplimental energy?

Not necessarily so. The ole saying, "if it works, don't fix it" applies. If the ultimate purpose is to propagate the species, it would make no sense to implememt multiple means of doing it.--------------------------------------------------------------------------------

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BUZSAW B 4 U 2 C Y BUZ SAW.
The immeasurable present eternally extends the infinite past and infinitely consumes the eternal future.

I see that I need to elaborate in order to make my intended point. Make that propagate and function efficiently and survive. My intention was relative to the post flood species, fully formed enough to propagate, function and survive.You obviously spun my propagate comment to your evolutionist position, i.e. mutating into new species.

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BUZSAW B 4 U 2 C Y BUZ SAW.
The immeasurable present eternally extends the infinite past and infinitely consumes the eternal future.

You're underestimating the amount of energy you would gain when you factor all of the braking you do. Think of a clock. Manpower winds the little spring in the movement and runs the clock, in some cases eight days and others as 31 days.If you live in mountainous or hilly regions you would benefit all the more with the braking energy produced.All I've stated is a hypothesis, having . Surely the concept could be developed with some engineering expertise.

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BUZSAW B 4 U 2 C Y BUZ SAW.
The immeasurable present eternally extends the infinite past and infinitely consumes the eternal future.