45735 replies to this topic

[Outerlimits659]

Hye, I decided to bring out my Rubik's Cube (3 by 3 of course) and I found some instructions for solving it. I'm using a layer method (I think) and I have the first layer complete (I hope). Bear in mind that I'm not trying to solve it fast, just trying to learn the basic algorithms and stuff so I can at least solve it. I just didn't understand the steps on solving the middle layer. Here's the site I'm using:

http://peter.stillhq...besolution.html

Can anybody clarify what position the cube should be in when I do the middle layer algorithm?? Sorry, but I'm sorta confused on those middle layer steps.

[knexems]

^http://www.youtube.c...h?v=wTPOqmBame0

Alright, this is really random, but why do roller coaster companies, for example B&M, make there loops tear-drop shaped? I've always wondered this. Is it because of something to do with g-forces?

[BGTKing]

Hey BGT, what exactly is this for?

The models will be seeded into brackets. One model from each bracket gets into the final four. It's just like the NCAA basketball tournament.

[coastermaniac]

^http://www.youtube.c...h?v=wTPOqmBame0

Alright, this is really random, but why do roller coaster companies, for example B&M, make there loops tear-drop shaped? I've always wondered this. Is it because of something to do with g-forces?

Because the tear drop is the less forceful shape there is. Since the pull in/out are bigger than the top the maximum g's that you will get is for a shorter period of time then a circular loop which has equal force all around the loop.

Correct me if i'm wrong though...

[RCT2123]

^^^Yeah, there are more G's at the bottom of a loop so the pullout's need to be bigger. Imagine if a B&M loop was a perfect circle. take off the top and connect a piece that would make the loop circular. By doing this the loop becomes wider and taller right? That means that you would need to go faster to go through it. Since the pullout/in did not increase in size the vertical G's increase to an uncomfortable or dangerous level...

That is the gist of why they do it...

-Rct2123:cool:

[knexems]

Fully explained. Thanks ^^&^!

I don't know if you guys care, but my next coaster will be a blitzcoaster. I just wanted to get that out there.

[DJMK]

Hello
Did I miss much?

[DDRman732865]

Depends, did you catch the SFGAmGuitarist era before you left?

[nickostick]

^^ Not much. Oh and They also make it tear-shape because it looks MUCH better.

[MP thrill rides]

Gosh I bored. I'm the only one on SSc now so I have no one to talk to. I think I'm going to watch some YouTubes or something,

[~stεεlspectrum~]

Also, to say it differently...

The train is traveling much faster at the bottom of the loop than at the top. The designers want the G forces to remain about the same throughout the loop. At greater speeds, pullin/outs need to be bigger (so the G's aren't too high). At lower speeds, it's okay for the curve to be tighter because the G's wouldn't be as great. So as it slows down (while going up the loop), the curve gradually gets tighter. Once it starts going back down, the curve gets more and more gradual. This gradual-tight-gradual curve design results in a teardrop-shaped loop.

So I basically said what 20 other people already said. Whatever, I'm bored.










I hate the Longest Thread.

[Tyrant]

Tear drop = Differential Equations. Simple as that. They never make track to "look good".

-Tyrant

[coastermaniac]

^^ Not much. Oh and They also make it tear-shape because it looks MUCH better.

I thought about it and if it looks much better it is because you are used to a tear drop if it was always circular a circle would look nice too.

[The KNex Weasel]

There wasn't a whole lot going on here, what with everyone emigrating over to KMC (Though many of us still pay visits here a lot).

[BGTKing]

Or probably the fact that it was 12:30 am.

Anyways, two days until spring break.

[lazor 22]

Alright, this is really random, but why do roller coaster companies, for example B&M, make there loops tear-drop shaped? I've always wondered this. Is it because of something to do with g-forces?

Ride sooperdooperlooper or something of the sorts and tell me which loop you like best. I personally prefer tear drop since they don't hurt at the bottom.

[MP thrill rides]

^^^ Sence KMC opened there hasn't been that much people on SSc.
Edit: AHHHH POST NUMBER 11100 YAAAA!

[coastergeekrtc]

KMC has hardly had an effect on SSC. There have been 696 post made by 43 members with most of them only posting once or twice. That's nothing.

[BGTKing]

Putting together the brackets for the contest. Hopefully have some polls up today.

[iggfish123]

lol i finally start getting my life back this week and all sports practices are canceled. im quite happy tho. i dont wanna play sport now. id rather play in the winter.