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Author Topic: Another Design For Your Consideration  (Read 21996 times)

GraViTaR

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Re: Another Design For Your Consideration
« Reply #15 on: October 07, 2007, 10:55:22 PM »
Just messing around , animation attached.
A bit jumpy and needs better timing .



That's a great animation: Illustrates the process perfectly.

hansvonlieven

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Re: Another Design For Your Consideration
« Reply #16 on: October 07, 2007, 11:08:43 PM »
G'day P-Motion,

It cannot move counter clockwise. The weights on the left are closer to the axis, there is LESS leverage on the left as there is on the right. If it turns at all it MUST move clockwise. Then you have the problem on the bottom where the weight has to be LIFTED onto the ramp.

Hans von Lieven

FreeEnergy

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Re: Another Design For Your Consideration
« Reply #17 on: October 07, 2007, 11:18:15 PM »
hey i have come up with something similar.

let me know what you guys think :)

http://www.overunity.com/index.php/topic,3437.msg53397/topicseen.html#msg53397

bastonia

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Re: Another Design For Your Consideration
« Reply #18 on: October 07, 2007, 11:28:23 PM »
Interesting thread ...

1)  Made a video with the wheels on either side of a solid pole, that get's pushed back and forth.
2)  Guessing you would need to add additional sets of wheels attached to axle to make it worthy.

Just playing around ...

I guess you could try this concept with ticker-toy parts.  ;D


helmut

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Re: Another Design For Your Consideration
« Reply #19 on: October 07, 2007, 11:57:20 PM »
Interesting thread ...

1)  Made a video with the wheels on either side of a solid pole, that get's pushed back and forth.
2)  Guessing you would need to add additional sets of wheels attached to axle to make it worthy.

Just playing around ...

I guess you could try this concept with ticker-toy parts.  ;D




@ Iron Head  and @Bastonia

Very usefull simulation. That improofs everyones Imagination.

Thanks a lot. Well done.

helmut

AB Hammer

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Re: Another Design For Your Consideration
« Reply #20 on: October 08, 2007, 02:53:01 AM »
 ::) :P ::) :P ::)

I have been so tempted to show my version but until it's protected I can't. But this tread has become very amusing to me. In one case you are so close and the other you couldn't be any further away. You have to control it, is my only clue I can give at this time.
« Last Edit: October 08, 2007, 03:16:55 AM by AB Hammer »

IronHead

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Re: Another Design For Your Consideration
« Reply #21 on: October 08, 2007, 03:51:31 AM »
Jumpy quickly done  Quad animation



Pirate88179

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Re: Another Design For Your Consideration
« Reply #22 on: October 08, 2007, 07:32:37 AM »
Ironhead:

Great animation!!!!  But, I think, and what do I know, that there is to much friction to overcome given the amount of energy provided by gravity.  But, someone please build it and prove me wrong.  I will toast them gladly.

Bill

bluesgtr44

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Re: Another Design For Your Consideration
« Reply #23 on: October 08, 2007, 02:26:33 PM »
Pirate, you nailed it! I did a screen shot at the point of contact and asked the questions....it should be obvious....

If this type of design is ever destined to work, it has to have the ability to adapt to a constant acceleration, which...of course...provides reaction forces that are not proportional to the acceleration. this type of system is rigid and cannot allow for that. I hope you guys can see what I mean by that. Just think about it......it has no give to absorb the impacts and still maintain a positive output direction....


Steve

erickdt

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Re: Another Design For Your Consideration
« Reply #24 on: October 08, 2007, 02:52:58 PM »
I have a pretty "fleshed out" version of something like this on my work computer. I'll post the plans on Monday when I get back into work.

Alright, this is what I was talking about.

IronHead

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Re: Another Design For Your Consideration
« Reply #25 on: October 08, 2007, 04:51:13 PM »
@everyone
I personally do not think it will work . I only posted this animation to give visual ad to the process and discussion.

@erickdt
I do however like the 5 arm idea . Still I dont see this as a working system yet.
Build a highly adjustable/reconfigurable  model and see where it goes.

Also before you go through the pain staking task of building that bearing setup you might want to check into linear bearings that you can purchase.

IronHead


 

bluesgtr44

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Re: Another Design For Your Consideration
« Reply #26 on: October 08, 2007, 05:00:20 PM »
Can most of the folks see how the reaction forces on the ascending side are going to be quite a bit more powerful than the downward force?  When the arm hits that ramp, the friction caused by this is going to be incredible....and as the speed increases, this force will be increasing approximately 4X the actual increase in speed.....if I am wrong on this, someone please correct me....thanks!


Steve

IronHead

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Re: Another Design For Your Consideration
« Reply #27 on: October 08, 2007, 05:07:38 PM »
I cant see anything yet as there is no physical model . Imagination is one thing but reality is a whole different ball game


Just Built It !
IronHead

bluesgtr44

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Re: Another Design For Your Consideration
« Reply #28 on: October 09, 2007, 12:04:23 AM »
Hey Ironhead...don't misunderstand, your animation was fantastic to me and the application was about as standard as you can get...I mean, you didn't try and make it too sophisticated and it was easy for anyone to understand. It was a great example!

But, my point was....this is the basic failure of these types of designs if left to their own. The faster it goes...the harder it hits and this is going to be up to 4X harder!


Steve

IronHead

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Re: Another Design For Your Consideration
« Reply #29 on: October 09, 2007, 12:35:15 AM »
I understand but  what I said still stands , There needs to be a physical model to even begin to understand its workings.As you build it, it will teach you what its problems and failures are and you do your best to correct them.Without a live model there is only imagination and some math. I am not saying you are wrong , I am saying this all needs to be done in real life physical world to even begin to solve the problems.

Build it , it will teach you
IronHead