/sci/ - Science & Math

No, it doesn't. Stop being a faggot know-it-all, you're wrong

The system recieves a great amount of friction, and has a greater amount of mass. I don't see how that'd be a benefit.

yous be trawlling

on a projectile, there are two main forces which hold it back. the main one is the air friction on the front of the object. the second one, is the vacuum behind the object. with this system, you've eliminated much of the vacuum by placing an object inside the empty space. thus, the car is more efficient.

weight is a bit tricky, but I assume the cars to be nearly weightless, since weight was not given, and could just as easily be weightless.

>>3005874
lolwut

This is trolling, right?

>>3005874
So... what about the vacuum behind the other object? Either trolling or dumb as fuark cuzzzz

>>3005874
it's a true principle. here is another example of it.
http://en.wikipedia.org/wiki/Base_bleed

>>3005895
object B is behind object A, thus object B does not disrupt the air flow, and does not create it's own vacuum.

I don't even know if it's worth explaining why this is so wrong because you're all doing such a bad job of it that you must be trolling.

>>3005874 weight is a bit tricky, but I assume the cars to be nearly weightless, since weight was not given, and could just as easily be weightless.

uh-huh

>>3005941

Imagine a spherical cow in a vacum.

the mass isn't necessarily a huge deal because you don't have to affix an entire car to the front, just a (potentially relatively lightweight) rigid material that has the same shape and will deflect air in the same manner. the problem is that you now have the same issue with drag on the front profile that you used to have on the original car, plus whatever additional drag the back car has. so you don't get away from having to overcome the drag.

>>3005906
i'm not sure you really understand base bleed or how fluid dynamics works. what base bleed does not suggest is that you could connect two bullets together and improve the projectile's range. In that case, the back bullet would still generate the same vacuum as before.

guys, you came into this thread calling OP a faggot and a troll, then when you're presented with a legitimate scientific principle, you're still just as upset. just as car B is more efficient than car A, Car C is more efficient than Car B. it's a cool effect, but I've heard of it before.

>>3005967
Car C is not the same as the car in OP's pic. If you don't understand why, you're in no position to talk down to anyway.

You guys just... damn.

>>3005975
Car C is my interpretation of what an efficient shape would be. OP's car follow's the same principle. yes, it might take considerable speed to get a slip stream large enough to fit a car into, but OP's car is still more efficient than a car creating the same slipstream with no object trailing behind it.
I'm willing to consider I am wrong, but so far the idea still makes sense.

>>3005967

OP implies we're stupid and he has the right answer when he is wrong.

>Faggot troll detected

>>3005975
it's the same thing.

>>3005999
if you cannot see the difference between >> and <>, you are beyond our help

>>3005999
Oh god, you're dumb.

my car is more efficient

>>3006006
if the second Car is completely inside the slipstream of the first, how does it create any drag?

Oh hai, just dropping by with the most efficient aerodynamic shape

>this thread
10/10

>>3006031

If the tail section is irrelevant, why even include it?

All your arguments are now irrelevant

>>3006031
Now you're just trolling. 6/10.

>>3006041
because it placing it there eliminates much of the vacuum created by the first car, making it more efficient.

>>3006056

lololololololol

>>3006056
>>3006056

DO YOU FUCKING UNDERSTAND THAT IF YOU PLACE A SHAPE IDENTICAL TO YOUR CAR IN FRONT OF YOUR CAR YOU WILL NOW HAVE TO PUSH THE SAME SHAPE WITH THE SAME AERODYNAMIC DRAG PLUS THE MINISCULE DRAG OF YOUR OWN CAR WHICH CERTAINLY DOES NOT MEAN YOUR CONTRAPTION IS SOMEHOW MORE EFFICIENT.

I have never fallen for a troll before.

>>3006056
okay, i'm convinced OP is theoretically correct, even if it is a bit tricky to apply, and there are other options which would increase efficiency
even more. such as
>>3006033

>>3006093
I understand the frontal drag is the same, what this project focuses on is the vacuum behind the car. you shouldn't insult people if you don't even know the premise of what they're talking about.

>a single piece of troll physics is able to create this thread
/sci is hopeless.

>>3006110
>FUCKING DERP

You idiot, the amount of forward force to propel the front car would be less then the "pull" of the vacuum that it creates. Maybe you should back to school if you don't even know the premise of basic physics.

Hey fucktards.

In racing, the front car takes the brunt of the air resistance as a SEPARATE entity from your own car. If you mount that shit on your own, YOU'RE STUCK WITH THAT AIR RESISTANCE AGAIN, not to mention the added mass. Even if massless, you can't take advantage of a slipstream of something you're connected to. It's like borrowing money, from someone else is fine, but from yourself is net zero effect.

Now go die.

>>3006144
/sci/ is mind-boggingly easy to troll. Either there is a constant influx of internetically non-savvy people or no one ever learns.

That, or it's some sort of double-trolling or something.

>>3006144
troll science is one of the best things about sci

>>3006176
yes, it's exactly the same on the front of the car. both have the same amount of air resistance.
but on the second one, there is a reduced vacuum, behind the first car, and thus you get a slightly more efficient car.

>>3006229
>there is a reduced vacuum
>a reduced vacuum
>reduced vacuum

1. Reduced Pressure
2. Vacuum
Pick One

And if your going to troll at least make sure your science is sound.

>>3006229
Not when the first car is a part of your own car. Please, take a physics class.

>>3006229

if you claim you fill the first car's vaccum with the second, then you still need to deal with the second car's vaccum. Boundry layers and aerodynamics. learn them

>>3006229
so you think gluing a hollow, lightweight shell of a bullet to the front of a bullet will make the bullet go farther, yes?

>>3006229
Reduced vacuum between cars? Yes. More efficient? No. The trailing car still has a vacuum.

The total forces that acted upon BOTH cars separately now act upon the same SINGLE car. By putting both together, it cancels out any benefit.

Not reading responses, so go fuck yourself.

>>3006266
it would mess up the ballistics, as noted in the Wikipedia article about base bleed.

>>3006272
MOTHERFUCKER
LEARN WHAT A FUCKING VACUUM IN

imad.jpeg

>>3006310
Learn what Newton's third law is.

>>3006312
wat? newton's 3rd law has nothing to do with the definition of a vacuum.

>>3006320
Actually, it changes everything when the cars are attached to each other, dipshit.

>>3006322
wat the fuck am I reading?
>>3006272
>reduced vacuum
THIS IS INCORRECT!
>>3006310
>learn what a vacuum is
>>3006312
>learn newton's 3rd law
>>3006320
>that is irrelevant to the conversation
>>3006322
>it changes everything when the cars are attached

Yes it does change when the cars are attached... no where was I stating otherwise. I am pissed off with dipshits who don't even know what a vacuum is and then asshats like you think I am defending a troll post.

Lrn2readingcomprehension!

dear faggots
A is more efficient than B, do you motherfuckers understand?
it's because it's a fucking vacuum.

>>3006356
Bro, calm down. Everyone knows what a vacuum is. That's completely irrelevant, because OP's car does not become more efficient when the cars are attached like that. Get it?

>>3006392
Read:
>>3006272
>>3006229
Clearly not everyone knows a vacuum is... reducing a vacuum = increasing pressure... these two fuckboats (I assume its actually samefag) have no fucking clue. I was simply enlightening the masses until you showed up all herp derp.

retards.

>>3006433
No, you're mad. Your language implies you're very mad. Just calm down, it's only 4chan. Everyone knows the picture won't work. It's only a troll. Just relax.