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Airplane on a treadmill!

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spacejamz said:
this popped up in my facebook feed today LOL...your welcome...

View attachment 91431
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In this scenario, the wheels don't rotate at all. The surface of treadmill moves forward (toward the nose of the plane) at the same rate as the plan moves forward. As far as the wheels are concerned, this is a vertical takeoff. We could save a lot of money on tires if we converted all our runways to active treadmills.

Edit: Hmm, reading the language more carefully, the wheels spin twice as fast as they would need to, accomplishing nothing, while the plane flies into the Japanese Coast Guard plane.
 
IronWing said:
In this scenario, the wheels don't rotate at all. The surface of treadmill moves forward (toward the nose of the plane) at the same rate as the plan moves forward. As far as the wheels are concerned, this is a vertical takeoff. We could save a lot of money on tires if we converted all our runways to active treadmills.

Edit: Hmm, reading the language more carefully, the wheels spin twice as fast as they would need to, accomplishing nothing, while the plane flies into the Japanese Coast Guard plane.
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Assuming friction on the wheel bearings doesn't set them on fire, resulting in a nose/ass down prior to takeoff.
 
[DHT]Osiris said:
Assuming friction on the wheel bearings doesn't set them on fire, resulting in a nose/ass down prior to takeoff.
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The question is does the plane run out of fuel before the wheel bearings burn up.

My guess the bearings would burn up first. Wheels only used during takeoffs, landings and to taxi. Since no maintenance can be performed while the aircraft is on the treadmill likely a wheel would burn up. If it's the nose gear the front of the plane would crash on the treadmill and it would lurch backwards. The same thing that happens to a person on a fast moving treadmill and their feet suddenly stop.

The plane would never takeoff.
 
I don't think that was the original since the one I linked to in this thread is older and lost in time and it was a repost.
 
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