Thx Machine II

[Sam Peppiatt]

Robinhood 46,

I found a way to swing the pendulums. I refer to it as offset. Here's how it works. Fasten a link to the pend. a couple of inches below it's pivot point and over an inch. At 3:00 the link is pointing to the right, AWAY from the center of the wheel. At 9:00 it will be pointing IN towards the center.

Stretch a spring from a pin on the end of the link to a pin near the center of the wheel, loosely. When the wheel rotates back to 3:00 it will stretch the spring, not one inch, but two inches and flip / swing the pendulum. into the center for CCW rotation.

The total shift is two inches; It is a major break through-----------------Sam

[Robinhood46]

Offset is definitely an appropriate word. The objective is to keep the hanging weights continually offset in the same direction, irrespective of where the swivel points are with regard the central axis. The hanging weights then become a collective mass continually one sided.
My attempt was more similar to MT13 with the rising weight being pushed over by a guide (against a bearing) with the opposite weight being pushed over by a connecting rod. (working in pairs), It failed, and i would even go so far as to say miserably.
I hope you have more of a success than i did.

[Sam Peppiatt]

Robinhood 46

Thanks; it works great on the up side! When the pendulum swings in 90 degrees the wheel takes off like a shot. Of coarse as you must know, the pendulums can't just swing in, they have to temporarily lock to the wheel. As Fletcher suggested, a one way bearing automatically locks and unlocks the pends, as needed.

However, still having problems on the downside. FWEIW, the offset pin has to slide up and in close to the pivot point of the pendulum, so that the pends. can't do any thing on the down side. Anyway, that's the plan--------------------Sam

[Georg Künstler]

In one attempt I used 8 ratchets
the ratches allow only a swinging in one direction.

https://www.youtube.com/watch?v=0pu3ln7pKKk

Here the function swinging ahead is missing, so it will not self perpetuate and also do no self acceleration.

Attempt failed.
But from every attempt failed you learn.
So blocking the movement in one direction is not the solution, in my opinion.

One reason for me to switch to the parasitic oscillation.
I will try to explain the function in detail when I will visit thx4.

[Sam Peppiatt]

You might be right Georg,

I'm not there yet, and maybe never will be-----------------------Sam

[Sam Peppiatt]

To Georg, and any one else that is trying to figure it out.

This is what I know.

It has to be pendulums because, it is imperative, that the wheel be NORMALLY balanced. Then, it can be put momentarily and repeatedly OOB, by swinging a pendulum in on the up side.

You have to find a way to do that-----------------------------------Sam

[Tarsier79]

Sam. Have you seen a pendulum swings itself in going up and out going down on a wheel by itself? Sorry, don't have time to find you a vid.

[Sam Peppiatt]

Tarsier 79'

If the wheel is turning, they do have a tendency to do that by them selves. But not very far. I think a shorter pend. will swing out farther, than a longer one, but with no OOB. The goal is to swing them 90 degrees; to do that they have to a have force to swing them, that far.

For what ever the reason, which I don't understand, the wheel seams to be a lot more responsive, if they swing in rather than out. All the time I imagined that swing them out on the down side would be better. Now it seams the opposite is true---------------------Sam

[Georg Künstler]

Hi Sam,
you are looking to a single pendulum movement.
From Bessler you know that the weights, pendulums are acting in pairs.
The pendulums are synchronized, so they swing in pairs.

When you imagine this, then you see one pendulum is going to the rim and the other to the center. I repeat it here, it is going to the center, not to the axle.

It is an overlay of movements, because the lever, carrier is also moving sideward. The suspension point of the pendulum is wandering.

If you take a internal wheel as a carrier of the pendulums then the suspension point is wandering in a circle and that will result in no torque.

So the internal carrier must have a shape which is different to a circle.
In my latest construction I used a parallelogram which is a stork bill with one square.

My hope is thx4, which I hope that he can do the fine tuning to the construction.
I am pretty sure he can. I will bring my small construction with me.

[Sam Peppiatt]

Hi Georg!

I don't understand. The suspension / pivot point of the pendulum is bolted to the wheel. How can it be wondering?

The axel is the center, isn't it?

You are quite right, if the pendulum only swings in and or out, there won't be any torque. In my case, when the pend. swings in 90 degrees, it instantly locks to the wheel, with what Calloway refers to as a one way bearing. I assure you when that happens it has a lot of torque.

Yes, I have four pendulums. As soon as the clutch releases it, the pend, swings back out to the rim----------------------Sam

[Sam Peppiatt]

Georg,

Do you still have your wheel with the eight ratchet wrenches on it? I thought that was pretty amazing!
If so, how about trying some thing for me? See if there is any difference from turning one ratchet in or turning one ratchet out.

You get what I mean? At 9:00 or 3:00 lift one in to see what it does. Then lift one out to see what that does and see if there is any difference-----------------Sam

[Georg Künstler]

Hi Sam,
as I have tested there is no difference.
the effective lever arm is being lengthened when the ratched swing outwards.
And the effective lever arm is shortened when the ratched swing to the center.

What I have attempt to do with the ratchet was a synchronized swinging, So all 8 ratchets are forced to do the swinging in one direction.

I have attached a picture so that you can see that all the ratchets are in one direction, they form a circle, look at the red parts.
You can also turn the picture by some degrees, then you can see the point when there will be no torque.
The picture and the experiment was from March 2018

The synchronization is happen with an impact during rotation.
All are swinging at the same time.
Good idea, but not good enough to achieve a perpetuate motion.
Next try, next model.

We will try to build the better version on friday and saturday and I hope that we will succeed.

[Sam Peppiatt]

Georg,

There will be an out of balance condition but only for 90 degrees of rotation. Then the ratchets have to be reset. I don't think there is any way you could reset all eight at once.

What is achievable; is to constantly reset them, one at a time at or about the 3:00 position---------------------------------Sam

[thx4]

Hello everyone, I propose a game while waiting for the arrival of Georg.

The wheel is empty of marbles, you place the marbles as you go, in order to make a turn or more.... (not so simple)
Then, the idea is to get the marbles automatically, in a position where they could slide on a trajectory and come back to the right place in a logical way.
Example: if the ball goes up at 12 o'clock, I can place it at 1 o'clock and have it come back in a free way...
I exclude all impulses that could deceive us. We place a marble once the previous one is stopped.
You can practice with paper, but there are reactions that are not always obvious.

a marble placed at 6 o'clock will not slide down.
a marble placed at 7 o'clock will slide towards 6 o'clock but no further.

You have to imagine a slide behind the wheel and a push system in front of it...

Have fun

https://youtu.be/WmgF1WG9Atg

[thx4]

At around 60 to 75 rpm, it can do a lot of damage...
https://youtu.be/aIZYi1uFrtg

A++