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Propellor Concept Explanation

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screenshot of the scene

Author: phunbox1 (Paradigm 29)

Group: phunbox1

Filesize: 4.01 kB

Date added: 2008-08-14

Rating: 6.8

Downloads: 431

Views: 1141

Comments: 4

Ratings: 9

Times favored: 0

Made with: Phun

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Description
This is supposed to explain how the flying machines work. There are 3 boxes, but they all have the exact same properties, only they are tilted at different angles.

Air Friction
Normal air friction in phun is not very much, but these boxes have been modified to have Extremely high air friction.
Terminal Velocity
Notice how when you play the Sim that the boxes fall at different speeds even though they all have the Exact same properties. The box on the right has the least amount of surface area facing it`s direction of travel, so the resistance it receives from the air is far less. The fact that it`s weight has not changed means it has more pounds per square on that face. That extra pressure is what allows it to achieve a higher terminal velocity before.

Uses
:D You can make stuff that flies now!!!
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This scene is a response to:
Title Author Rating Downloads Comments Date added
Air Friction Engine2 phunbox1 (Paradigm 29) 7.6 (36 votes) 859 5 2008/08/14 14:49:33
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How exactly did you modify the air friction?
You can go to program files and find phun and right click a scene you want to open. Select open with > and choose notepad. You can go to the forums for more information about it.

Or if you're lazy like me you can just save one of the rectangles from this scene as a phunlet. It will still have the same properties when you load it.:D
I just tried it out, my bar with Air Friction 1000 behaves EXACTLY the same no matter if I have it 15° from vertical or 90° (horizontal) they both fall at EXACTLY the same speed.. only a pure vertical (0°) bar falls much faster.. Why is that so?
ah nvm I just found out that if I make my thingies more heavy, they fall at different velocity.. (they now both weigh 15kg/m²