will it take off?

[Steve_Miller]

Egon, I don't have a clue of what you're talking about

I do and its scary.

Maybe its time we called mythbusters or are they ghostbusters.

Steve

 

[Richard]

What a fun read this has been...

Would a geared plane take off faster than a hydro?

 

[BillyP]

I do and its scary.

Maybe its time we called mythbusters or are they ghostbusters.

Steve

Is it Canadian top secret stuff Come on man, spill your guts

 

[TheKid]

For the "no fly group".

It seems to be your theory that if the plane is going forward at 50 MPH and the conveyor is going in reverse at 50 MPH that they cancel each other. There for the plane doesn't move forward which means there is no lift.

I’m no physicist, but I do know the plane can either move, or not move, but it can't do both of them at the same time.

 

[RayH]

What a fun read this has been...

Would a geared plane take off faster than a hydro?

Depends on if the tires are loaded.

 

[RayH]

For the "no fly group".

It seems to be your theory that if the plane is going forward at 50 MPH and the conveyor is going in reverse at 50 MPH that they cancel each other. There for the plane doesn't move forward which means there is no lift.

I’m no physicist, but I do know the plane can either move, or not move, but it can't do both of them at the same time.

Good point.
The plane either moves forward, in which case it can take off. OR it doesnt move, in which case neither is the conveyor.
The "no flys" need to pick one of these agruements and stick to it, they cant have it both ways.

 

[Tom_Veatch]

Good point.
The plane either moves forward, in which case it can take off. OR it doesnt move, in which case neither is the conveyor.
The "no flays" need to pick one of these agreements and stick to it, they cant have it both ways.

The original problem statement is intentionally vague about reference systems and measurements of speed/velocity are meaningless if the reference system isn't obvious or specifically identified.

If the a/c speed is expressed relative to the conveyor and the conveyor speed is expressed relative to a fixed point on the ground, then the statement that the a/c moves (relative to the conveyor) and the conveyor moves (relative to a fixed point) at the same speed and opposite direction as the a/c, then the a/c speed relative to the fixed point is zero and the no-fly boys have it.

But, if the speeds of both are measured relative to a fixed point, then the speed of the a/c relative to the conveyor is twice the speed of the conveyor relative to the fixed point and the fly-boys win the prize.

If everone identified in their arguments what reference system(s) are used to measure the speeds/velocities, I think you'd see the disagreements (and fun) evaporate.

 

[schmism]

did i not say this was fun?!?!

 

[BillyP]

The original problem statement is intentionally vague about reference systems and measurements of speed/velocity are meaningless if the reference system isn't obvious or specifically identified.

If the a/c speed is expressed relative to the conveyor and the conveyor speed is expressed relative to a fixed point on the ground, then the statement that the a/c moves (relative to the conveyor) and the conveyor moves (relative to a fixed point) at the same speed and opposite direction as the a/c, then the a/c speed relative to the fixed point is zero and the no-fly boys have it.

But, if the speeds of both are measured relative to a fixed point, then the speed of the a/c relative to the conveyor is twice the speed of the conveyor relative to the fixed point and the fly-boys win the prize.

If everone identified in their arguments what reference system(s) are used to measure the speeds/velocities, I think you'd see the disagreements (and fun) evaporate.

The original details were

"a plane is standing on a movable runway( something like a conveyor).as the plane moves the conveyor moves but in the opposite direction.the conveyor has a system that tracks the speed of the plane and matches it exactly in the opposite direction"

The only fixed point I see in this scenario is the ground on both sides of the conveyor? Are/can you read something else into it?

 

[NewToy]

Does the plane have synthetic oil in it? That would reduce the friction just enough to let 'er fly.
John