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Overunity Machines Forum



New accelerating gravity wheel ! Converted video from www.newenergymachine.com !

Started by hartiberlin, May 11, 2007, 12:49:03 AM

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0 Members and 9 Guests are viewing this topic.

AB Hammer

unity2zero

Welcome to the forum.

You seem to miss the intent, that it is a self contained system air pumping design by its own movements.

Larry C

I am still working on the drawings of system that we talked about on the phone. It is tough tying to make a living and invent at the same time.
With out a dream, there can be no vision.

Alan

unity2zero

Quote from: noonespecial on September 09, 2008, 08:50:48 AM
Hi Broli,
There are 2 weights connected by a rod. One of the weights is located at the outermost circumference of the machine. The other (we assume) is just on the other side of the center. As these weights are rotated, the outer weight falls and drives the machine created by the overbalance condition. Through the use of a cam and a lever, the connected weights are raised up near the bottom of the rotation. The cam and lever need to overcome the centripetal force of the rotating weights. This force is greatest when the weights are at their outermost position. As the weights are raised up toward the center of the machine, the force required to move them up drops off exponentially. Once they are past the equilibrium point (both weights equal distances from the center) the weights travel upward on their own against gravity by centripetal force.
Hope this helps.
Regards,
Charlie


Hi, Charlie

Looks like you are very close on getting it! Here is an article I found which may be of interest and an encouragement to you. At least the way he described how the flywheel was built is far better than Bob's. But be careful; just like what Bob had said, its a dangerous machine. Once you got it right and and spinning, you need to control the speed by using a braking system or have it put on load driving a dynamo or generator. Otherwise it would self destruct and the weights could fly off like a projectile. Here is the link: http://www.thewritestuff.org.uk/technicalpemb.htm

Hope you find this helpful.

Good Luck

noonespecial

Quote from: unity2zero on September 12, 2008, 11:50:25 PM
Hi Charlie

Nice drawing! But was wondering what are the air cylinders for? Are you proposing external supply of pneumatic energy to the cylinders to move the weights? I thought this is a self rotating gravity powered flywheel?

Hi unity2zero,
I offer my welcome as well. The Creative Science machine, which is similar, works with an external air source. The key difference in this particular design is thought to be that the inventor, Bob Kostoff, has developed a way that the external power source is no longer required. The exact mechanism to do this is not known yet. My drawing speculates that the accelerated force of the weight being flung upward presses on the lever and compresses the air cylinder. The air is expelled from the cylinder and forced into a pneumatic accumulator where it is stored. When that same cylinder reaches the bottom of the rotation, a valve releases the stored pressure back into the cylinder and the extending cylinder moves the lever and lifts the weights completing the cycle.
I hope this helps.
Best regards,
Charlie

AB Hammer

unity2zero

What you are talking about is the speed plus gravity effect for a runaway to fly apart. My wheel is only 3 ft tall and all I have to do is lay it on its side and it will stop, but funny it will act like a gyro while laying it down. In any larger device a very good break is needed. But you have to look at terminal velocity natural friction. Bessler's wheels didn't run off. The fastest one only ran about 60 RPM. Bobs I am not sure but in the video it looked only about 35 to 40 RPM. Balance and vibration can be a very large factor in the fly apart effect. 

PS my devices I am working on are not like Bobs. except I am trying to help Larry C.
With out a dream, there can be no vision.

Alan

LarryC

@All,

My unit will be using a variable rise rate inclined plane instead of a cam and lever combo. An inclined plane has the same mechanical advantage as a lever, except I can control more precisely.

So I set up a spreadsheet to determine the combination of centrifugal forces as the unit is lifted 13 inches. Weight, Rpm, Radius of each weight and starting lift ratio can be entered. Each CF is generated and the difference is the force needed to pull the weight up for each inch. Then the lift ratio is calculated based on the lifting force needed for each CF 1 - 2 value.

The Lift Ratio and length column is calculated from the CF decrease ratio column using a entered starting lift value. So if the value is 7.50 then the slope of the plane will be 1 inch rise over 7.5  inch length. The total inches at the bottom will be the length of the entire plane.

An interesting fact was noted. My current unit has a 23 slide. But the weight boxes are 29 and 6 inches from the center as can be seen in the unit picture. The first Centrifugal force at 29 pic shows the results. When I changed it to 48 and 25, still a 23 slide, the CF 1 - 2 values remained the same. The advantage is the momentum doubled because the Rpm was the same while the radius and weight velocity increased. The main forces to assist the lift is the stored CF slam in the springs/cylinder and momentum. So increasing the radius would seem to help.

I've included the Excel (.xls dataset) for anyone who wants to play with the input values in blue.

Regards, Larry