This guy is a genius!!! A homemade Farrari 1/3 scale... IN WORKING CONDITION!!

[annguyen1981]

http://www.thatvideosite.com/video/3711

[Kasumi]

OMG. Did you see the engine! That guy must be devoted.

[scottpA_GS]

I wish they had more shots of the car.. That was sweet. Maybee Mini Me could fit in and drive it...

[natedawg120]

that was really awesome.  It is amazing what people can do with time and a cause

[Mk1inCali]

Wow.  That is beyond words.  It looks like he used click-pen springs for the valves.  That's...just...amazing.

[scratch]

Wonderfully amazing!  The dedication on this man to build this model!  He definitely picked a most beautiful car to replicate! 

[ixolas]

most astonishing!! 
But for 30,000 hours of work he could have built a full scale replica and at least driven it.

He has alot of spare time..  but that car definitely kicks butt!!

[yamahonkawazuki]

farkin WOW 

[jdanna]

http://www.minimodelengines.com/index2.htm
this guy does similar stuff, but even smaller.
He made a fully working I4 that is about the size of 2 quarters.

http://www.weberprecision.com/
and this guy made the worlds smallest supercharged V8.

what i dont get about the ferarri, is that he says its a 100cc engine. if it is 100cc, and its a 1/3rd scale model, wouldnt that make the ferrarri original only have a 300cc engine?

[manofthefield]

The whole thing seemed smaller than 1/3 scale to me

What I was wondering is how it would do in a small motorcycle or scooter...  100cc 12 cylinder scooter sounds like a lot of fun

[annguyen1981]

what i dont get about the ferarri, is that he says its a 100cc engine. if it is 100cc, and its a 1/3rd scale model, wouldnt that make the ferrarri original only have a 300cc engine?

I don't think so...

I think you're still thinking in linear temrs...  2 dimensions.

I'm too tired to actually think about it, but maybe one of the geniuses can pipe up...

[annguyen1981]

Actually...  I'm re-thinking...

If you take a 12" x 12" square, and you DOUBLE the size, the size is 24" x 24", right?  The original is 1 sq ft, while the square that's doubled in size is 4 sq ft.


so...

if you take a 1' x 1' x 1' BOX and triple the size...  you get a 3' x 3' x 3' box.  The increase is from 1sq ft cubed, to 9 sq ft cubed...

so if my logic is right, the ferrari should be 9 times the size in terms of CC's.

Is this correct???

[Kasumi]

Correct, i can't remeber the exact terminology for this rule and nor can i be arsed to look it up in my book - i spose i should know it doing a level maths heh. But your right ann

[jdanna]

farthest math i ever got to was high school precalc

and i failed that.

[annguyen1981]

I didn't know there was a term for it.  I took three calculus courses in high school, and about 6 in college...  all in four years...  two in hs, two in college.

Those years sucked..

[Kasumi]

Hehe im doing A-level maths at the moment

Im not sure what its called its something to do with proportion, like directly proportional that sorta thing

[annguyen1981]

so a 1/3 scale 100cc engine would be the equivalent to a 900cc engine.

I don't think that's right...  I figure those engines are over a liter...

[Mk1inCali]

Interesting read, I tell ya!


http://en.wikipedia.org/wiki/Ferrari_312

[GeeP]

AN had it right to begin with.  Scaling of volume is not linear.

To arrive at the new volume you must multiply the original by the scaling factor cubed.

3 cubed = 27

100 x 27 = 2.7L