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  • *Total Posts: 507270
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(December 19, 2006, 11:27:19 PM)
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Author Topic: Jhula principle - increase speed by applying brakes.  (Read 44112 times)

Offline xnonix

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Re: Jhula principle - increase speed by applying brakes.
« Reply #120 on: June 06, 2007, 12:44:52 PM »
Yep, Ubuntu. Humanity to Others. 2 Months without window$ here.

Free Energy | searching for free energy and discussing free energy


Offline xnonix

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Re: Jhula principle - increase speed by applying brakes.
« Reply #121 on: June 06, 2007, 01:16:54 PM »
Well, I found the bug.
The thing is the rigid joint position. In the model I post below there are 2 "hammers". the position of the rigid joint is different between them. The one on the left is the buggy one and the other on the right is the correct simulation of this system. So it STOPs again.

Cheers,
xnonix

Offline prajna

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Re: Jhula principle - increase speed by applying brakes.
« Reply #122 on: June 06, 2007, 04:28:11 PM »
Well done, xnonix.  What a crap bug.  It is nice that there is a workround but it won't always be possible to use it. I intend to keep thinking along these lines though, I can't help thinking that we might be able to unbalance something in this model.

Free Energy | searching for free energy and discussing free energy

Re: Jhula principle - increase speed by applying brakes.
« Reply #122 on: June 06, 2007, 04:28:11 PM »
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Offline hartiberlin

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Re: Jhula principle - increase speed by applying brakes.
« Reply #123 on: June 06, 2007, 09:07:12 PM »
Well, I found the bug.
The thing is the rigid joint position. In the model I post below there are 2 "hammers". the position of the rigid joint is different between them. The one on the left is the buggy one and the other on the right is the correct simulation of this system. So it STOPs again.

Cheers,
xnonix

Hi xnonix,
can you please exactly describe, what you mean ?
Which rigid joint do you mean ?
Between the steel part and the plastic part ?

If I set a few more rigid joints there,the left unit still accelerates...

Why is the right one working ?
It has the same rigid joint as the left one, as I see...
but it is placed just a bit more into the center...
So what can we exactly do with rigid joints and what not
to avoid this program bug ?

2.So how do we now design a joint, that can only turn
in one direction without this error ?
Please post exact details.
Many thanks.

Regards, Stefan.

Offline hartiberlin

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Re: Jhula principle - increase speed by applying brakes.
« Reply #124 on: June 06, 2007, 09:22:21 PM »
I saw just, the model harti_swinger01.w2d  has the same problems with this joint.
So how do we put now 2 weights together without stumbling onto this bug ?

Free Energy | searching for free energy and discussing free energy

Re: Jhula principle - increase speed by applying brakes.
« Reply #124 on: June 06, 2007, 09:22:21 PM »
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Offline xnonix

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Re: Jhula principle - increase speed by applying brakes.
« Reply #125 on: June 06, 2007, 10:11:09 PM »
I saw just, the model harti_swinger01.w2d  has the same problems with this joint.
So how do we put now 2 weights together without stumbling onto this bug ?

Easy. We only need 2 pin joint this way.

Offline hartiberlin

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Re: Jhula principle - increase speed by applying brakes.
« Reply #126 on: June 06, 2007, 10:49:35 PM »
But why do 2 rigid joints not work  ?

Are the rigid joints buggy in this program ?

How do we make now one way only rotating joints
without bugs ?

Free Energy | searching for free energy and discussing free energy

Re: Jhula principle - increase speed by applying brakes.
« Reply #126 on: June 06, 2007, 10:49:35 PM »
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Offline xnonix

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Re: Jhula principle - increase speed by applying brakes.
« Reply #127 on: June 06, 2007, 11:00:02 PM »
The program is buggy so I only trust what is known as working properly. I won't use rigid joints anymore in my models. The 2 pin joints solution is good enought.
The problem with wm2d are not the polys as we thought, is only those buggy rigid joints.

Cheers,
xnonix

EDIT: For doing one way rotating joints rigid joints function as expected.

Offline Dingus Mungus

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Re: Jhula principle - increase speed by applying brakes.
« Reply #128 on: June 07, 2007, 03:20:47 AM »
Or you can use a rotational damper to only enable
one way pin rotation like the solid joint would.

~Dingus

Free Energy | searching for free energy and discussing free energy

Re: Jhula principle - increase speed by applying brakes.
« Reply #128 on: June 07, 2007, 03:20:47 AM »
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Offline dailytool

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Re: Jhula principle - increase speed by applying brakes.
« Reply #129 on: June 19, 2007, 03:43:43 AM »
First post here and i'm thoroughly enjoying all your efforts!

Originally, I was thinking of this pendulum design (jpg attached) to be added to the Milkovic design so you could utilize very little energy to swing the pendulum. It would be a swinging pendulum device per say with very low energy consumption...

But NOW i'm thinking you could possibly extract energy from the swing itself. The overall idea would be to 'brake' the pendulum arm at the top of the rotation point, just long enough to drop the secondary legs down (shown in red - using legs like your legs on a swingset). If you use magnets (shown in yellow) that are strong enough to hold the legs in place, but not strong enough to hold the legs when you stop (brake) the pendulum at the top of the swing, i think the legs would slap to the other side (by way of gravity and inertia) and hold well enough to run another rotation. Maybe it could be done with an alternating electromagnet on each side instead of a permanent magnet.

Food for thought!?!?!



« Last Edit: June 19, 2007, 04:06:25 AM by dailytool »

Offline prajna

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Re: Jhula principle - increase speed by applying brakes.
« Reply #130 on: June 19, 2007, 07:58:37 PM »
Welcome on board, DT.  I'm not sure that there is new energy coming in with this design.  I'll sim it when I get a chance and see what happens.

Free Energy | searching for free energy and discussing free energy

Re: Jhula principle - increase speed by applying brakes.
« Reply #130 on: June 19, 2007, 07:58:37 PM »
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Offline dailytool

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Re: Jhula principle - increase speed by applying brakes.
« Reply #131 on: June 20, 2007, 04:24:27 AM »
Welcome on board, DT.  I'm not sure that there is new energy coming in with this design.  I'll sim it when I get a chance and see what happens.

Thanks! This is an awesome site. I'm not sure either whether it will create new energy, and I look forward to the simulation. I do however think the braking method would be an efficient way to swing the pendulum for the Milkovic design.

Also, even though they are using compressed air for the demonstration, isn't this similar to the two part swinging theory as i describe?

http://www.youtube.com/watch?v=xWIN_b95GoI&NR=1
« Last Edit: June 20, 2007, 11:52:53 AM by dailytool »

Offline FreeEnergy

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Offline mindsweeper

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Re: Jhula principle - increase speed by applying brakes.
« Reply #133 on: July 10, 2009, 08:50:30 PM »
Here is a version that should be good to study because a) it is about as simple as I can get and have it running well. b) it is very well balanced. c) we have got best speed (about 120rpm).

All,

I found a basic error in this model that results in strange behaviour. Set pin joint 4 to measurable and the whole thing acts as it should.

Only use measurable pin joints..


 

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