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resetting using inertia?

 
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preoccupied
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PostPosted: Wed Jun 13, 2012 8:58 pm    Post subject: resetting using inertia? Reply with quote Report Post to Admin

I visualized this animation I drew and I was wondering if the inertia could just reset it like I visualized?

All three weights swing together and then when the single weight is up there the weight on the right stays put and the weight on the left and weight on top up there move with the remaining inertia to reset the wheel.





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murilo
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PostPosted: Wed Jun 13, 2012 9:16 pm    Post subject: re: resetting using inertia? Reply with quote Report Post to Admin

Preocc,
I can read your mind... 8)
Would be great to keep 2 falling weights while only 1 rising... 8)))
Maybe huge pendulum set!?!? 8|
Stay away from any windmill, ok? 8|||
Best!
M


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getterdone
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PostPosted: Thu Jun 14, 2012 1:03 am    Post subject: re: resetting using inertia? Reply with quote Report Post to Admin

Hi Preoccupied, your weights are going to find there point of rest with one at 12 o'clock, one at 4'30 and one at 7'30. If you start with a weight at 6 o'clock, and one at 2 and the other at 10, you will get some movement, n I never got enough in the past, to get the weight from 2o'clock to go past the 6 o'clock position.

Good Luck



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PostPosted: Thu Jun 14, 2012 1:32 am    Post subject: re: resetting using inertia? Reply with quote Report Post to Admin

If the masses at 12:00; 1:30; 3:00; and 4:30 are allowed to move to 1:30, 3:00, 4:30 and 6:00 respectively then there would be enough motion to flip the mass at 6:00 back beyond 12:00 o'clock. Because an object moving four times as fast will not rise for times as high it will rise 16 times as high.

If the center of mass of the four is moving 4 m/sec then the one mass at 6:00 will be moving 16 m/sec after it has received all the motion. This is Newtonian Physics.


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preoccupied






PostPosted: Thu Jun 14, 2012 3:28 pm    Post subject: re: resetting using inertia? Reply with quote Report Post to Admin

I visualize this and I think that the two weights at the beginning move twice the distance as is asked by the remaining inertia at the end. And then also the weight up there on top is totally in the center of the wheel causing no counter torque against he direction wanted to go. But then once the inertia pushes on the two resetting weights it gets lighter for the inertia because the weight moving away from 12 o'clock is providing some counter torque in the desired direction. So it feels like I have excess force and the ideal situation for resetting it when I visualized it.

pequaide, are you describing my animation? Because it looks like you have four weights and mine only has three.

getterdone, it's too bad it won't work. Can i have a second opinion?

murilo is psychic.


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PostPosted: Thu Jun 14, 2012 5:12 pm    Post subject: re: resetting using inertia? Reply with quote Report Post to Admin

Hi Preoccupied, I didn't say it wouldn't work, I'd need some education to make a claim like that. What I said is that it didn't work for me. At the time I was playjng with that type of design , I was using it with a camshaft type of axle, the inertia from the fall of the weights wasn't enough to move the levers were I wanted them to go. Them damn levers dont always co-operate.
If you went to High School, you might have a better chance. lol

Good Luck
Leo


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preoccupied






PostPosted: Fri Jun 15, 2012 2:48 am    Post subject: re: resetting using inertia? Reply with quote Report Post to Admin

getterdone, I didn't know you didn't graduate from high school. I graduated from high school but never studied physics. It has been a long time since I have done any academic work and not too long ago I had some concussions that makes my previous education very fuzzy.


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preoccupied






PostPosted: Fri Jun 15, 2012 3:06 am    Post subject: re: resetting using inertia? Reply with quote Report Post to Admin

These two previous animations I drew probably got the most praise and they both seem to need a little extra inertia in order to reset.

The pendulum lever is about the two stage oscillator where it is believed that a little bit of energy is used to push the pendulum but the hammer on the other side produces much more force. In the animation the hammer end hits the fly wheel and the inertia of the fly wheel pushes the lever that is swinging with the pendulum on its opposite side. http://www.pendulum-lever.com/

The drawing17cb.gif was just something that i drew but people liked it. It would work if only there was some extra inertia on the last swinging part. In the animation the last swinging part swings all the way up but in reality it won't be able to.





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preoccupied






PostPosted: Fri Jun 15, 2012 3:37 am    Post subject: re: resetting using inertia? Reply with quote Report Post to Admin

In this animation I take away the inertia resetting it and add another wheel of the same. The extra leverage of the second wheel is expected to reset the first wheel. I am not sure if it would work but it looks really close. Maybe some of the more bright on the forum should take a good look at it.

rlortie are you out there? What do you think of this?





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KAS
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PostPosted: Fri Jun 15, 2012 7:24 am    Post subject: re: resetting using inertia? Reply with quote Report Post to Admin

Preoccupied.

I had once thought that there was milage in a concept where three of the four pendulums pauses in the oob position; slowly moving to their combined PQ powering the other one to traverse the 12 o'clock dead point through gearing. See attached.

Never got as far as a build though.

Kas





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PostPosted: Fri Jun 15, 2012 12:30 pm    Post subject: re: resetting using inertia? Reply with quote Report Post to Admin

I took a careful look at the two wheel design and added another wheel that takes advantage of the 45 degrees in which the two wheel design doesn't utilize. I can sum this explanation up with a still picture. Basically it is in perfect balance. In drawing-c.pgn the weights are in balance and if it were pushed in the right direction it would be in balance also because the weights of the same color would cancel themselves out but the black weight is stationary and not part of it.

I think inertia is a better concept to work with. But something that is in perfect balance like this can't gain inertia but if it could unbalance temporarily and remain perfectly balanced afterwards it would be able to be reset with inertia pretty easily.





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preoccupied






PostPosted: Fri Jun 15, 2012 1:19 pm    Post subject: re: resetting using inertia? Reply with quote Report Post to Admin

In this animation the wheel wants to use the inertia to lift the weight on the left past where the top weight on the right is and roll down a ramp and fall on the reload position. This shouldn't work but when I drew it I was thinking about the bessler wheel witnesses clues a little. I mean maybe rolling down the ramp will give it the extra oomph it needs to get that just little bit extra distance.





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Reticon
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PostPosted: Fri Jun 15, 2012 7:05 pm    Post subject: Reply with quote Report Post to Admin

Remember that you cannot remove the momentum for any other use without losing its affect on rotation. My mind has missed that point on multiple occasions, and I see the same problem in all of your very interesting animations. For instance that last one, if the wheel is allowed to stop, then it will slowly accelerate again. By the time it does you'll discover that the gain you thought you found would at best only return the progress to where it would have been without the contraption.

When we look at a static OB wheel, with no contraption, we think we've only got to add a tiny bit of rotation to get it to perpetuate. Then we try to use things like momentum to move masses within our contraptions. When we have, as Bessler warns, it ends up not even making it so far as it would have without our contraption.


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PostPosted: Fri Jun 15, 2012 7:28 pm    Post subject: re: resetting using inertia? Reply with quote Report Post to Admin

In the last animation "simple angles" it is supposed to not stop when the weight reloads. I just added extra frames to the animation in the beginning because of how microsoft gif animator works. In microsoft gif animator when you add a frame it pushes the frame back one instead of up one so I need an extra picture to be selected when I input new frames. I happened to copy and paste three or four of the first frame on accident and that is why there is a pause when the weight hits the reload position. But it is supposed to slam against it causing it to move immediately.


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PostPosted: Wed Jun 20, 2012 1:56 am    Post subject: re: resetting using inertia? Reply with quote Report Post to Admin

I gained a green dot. Hurray! I am now appreciated.


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