Plane on conveyor belt

[Tamil]

...about as much as squatting on a balance board, methinks.

 

[SteveX]

...about as much as squatting on a balance board, methinks.

you obviously don't know the importance of core stability

 

[ChaseT.]

Chase T reminds me of an arrogent douche bag.


*wonders if he spelled douche correctly*

Yes, but you misspelled arrogant.

 

[Chaseg1520]

you obviously don't know the importance of core stability

I like to squat on my vibrogym...

 

[bacon]

god dammit...

 

[bacon]

I just watched the myth busters vid and I must have read the question wrong. When I think aircraft speed, I think aircraft speed, not WHEEL speed. Who the fuck uses wheel speed for aircraft applications?

 

[ChaseT.]

god dammit...

It's OK. Everyone has their own unique strengths in life.

Some people are better when it comes to thinking (me).
Some people are better when it comes to lifting heavy weights (me).
Some people are better when it comes to getting arrested in a clown wig (you).

 

[bad_coupon]

god dammit...

*confidential whisper*

Pull some strings and he'll get a Chase T.T. Belt.

 

[bacon]

Oh yeah? Well my dog is cooler than yours and I have a lot of tools.

 

[ChaseT.]

Oh yeah? Well my dog is cooler than yours and I have a lot of tools.

My dog died last year, jerk.

 

[bacon]

I am teh winner!

 

[Tamil]

Okay, perhaps I should clarify. I was thinking of this one time when I saw two guys squatting weights in the rec's power rack...using a wobble board.

Do people really do this? BW squats obviously I can see that, but weighted squats??

(serious S&P question)

 

[Chaseg1520]

Okay, perhaps I should clarify. I was thinking of this one time when I saw two guys squatting weights in the rec's power rack...using a wobble board.

Do people really do this? BW squats obviously I can see that, but weighted squats??

(serious S&P question)

umm... I would think that if they were using decent weight and the board wobbled wrong they could blow out a knee pretty easily... but I never squat on an unstable surface for anything....

 

[ChaseT.]

Okay, perhaps I should clarify. I was thinking of this one time when I saw two guys squatting weights in the rec's power rack...using a wobble board.

Do people really do this? BW squats obviously I can see that, but weighted squats??

(serious S&P question)

People who don't understand physics (e.g. BlondeWarrior) squat on unstable surfaces to increase their "functional" strength.

 

[bad_coupon]

People who don't understand physics (e.g. BlondeWarrior) squat on unstable surfaces to increase their "functional" strength.

 

[liquid!]

People who don't understand physics (e.g. BlondeWarrior) squat on unstable surfaces to increase their "functional" strength.

 

[BlondeWarrior]

Ok, let's figure this out. How to get lift: you need air speed over *both* sides of the wing, that's why airplane wings are shaped the way that they are. Now, this assumes that air follows laminar flow, and that when air comes to the front of the wing, it splits, part goes over the top, part over the bottom, and then meet back at the back of the wing with minimal turbulence. This is a decent approximation for planes flying at the speeds that they usually do when we go on vacation. Faster planes get a bit more exciting and we will save that for another flame war. This air flow creates a pressure differential since the air on top of the wings is moving faster than the air beneath the wings (the wings are designed so this will happen). Less pressure above the wings, the plane lifts off.

Back to my point. Big conveyor (i.e. treadmill) and a little non-engine plane, the conveyor is acting like a fan, and blowing lots of air... the little plane may as well be in a wind tunnel and be getting its lift and the pressure differential across it's wings this way.

The larger plane (mythbusters) is taking off because it has an engine running a propellor.

The experiment that was not done was one where the truck and plane move at equal speeds where the plane takes off.

Take a large but light plane with its engine off, and they tie a rope to the engine, tie the other end to something stationary to get the plane to remain stationary (so that all we will see is the lift) and then run a mile-long tarp or carpet, whatever, under its wheels on a still-air day and attach this to a fast car. Result: your wheels get a workout and your plane does not lift. You might see it float, for a moment, at like 500 mph, with enough air flow provided from the carpet wizzing by. This again comes back to the model airplane on the treadmill.

 

[BlondeWarrior]

+1.

 

[ChaseT.]

Oh. I see. You're right because the airplane is really a glider and it's tied to a tree.

 

[SteveX]

Okay, perhaps I should clarify. I was thinking of this one time when I saw two guys squatting weights in the rec's power rack...using a wobble board.

Do people really do this? BW squats obviously I can see that, but weighted squats??

(serious S&P question)

I'm sure people do it (as you have witnessed it yourself). These are the same people who do curls standing on bosu balls on one leg to get some core work in while they sculpt the gunz.