Posted by Øystein Rustad (217.70.229.44) on May 01, 2002 at 16:08:38:
In Reply to: Re: gravity Wheel posted by Øystein Rustad on May 01, 2002 at 11:03:32:
I have spent the day, experimenting with the "power of one".
It seems like the horisontal plane is the only place a lever can do "the power of one"...
Because the ball have to have a certain radius to fill the space in the lifting device. If a ball is placed UPON a lever it will perform and act like the power of one principle...BUT
The center of the ball will move out and "extend" the lever, so when forexample a ball is placed on a lever pointing down, the arm will be viritually longer than the arm itself, and vica verca,, when pointing up, it will act shorter.
If the ball is placed in line with the lever, the lift is always constant equal to the levers lenght, but the liftspeed is reduced propotionally and the balls wan`t make it up !
EX :
Lever side 1 : 5 units(center of mass is at 4,5 units),
ball 1 kg , ball radius = 0,5 units
Lever side 2 : 1 unit,(center of mass is at 0,5 unit in horisontal position)
4 balls/1kg = 4 kg, ball radius = 0,5 unit.
will the lever turn ? Yes , BUT just around the horisontal plane.. forexample at 45 degrees : Lever side 2 has become :
0,5 unit + radius of ball = 1 Unit
And Lever side 1 has become 4,5 units - radius of ball = 4 Units
Now 4 Units of 1kg shall still lift 1 Unit of 4kg ?
This will not happen, this is the trasition point !
From vertical to 45 degrees we have the same resistance as we have lift from 45 to 90 degrees.
To solve this we can place the mass on lever side 1 and 2, NOT upon the lever, but in line with the lever.. BUT then the liftspeed is half,(with one unit and equal to diameter on ball) and we very soon get short of balls.
I can`t see how it could work !?
Maybe Jan can answer that ?