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Gravity powered devices => Gravity powered devices => Topic started by: iacob alex on May 23, 2014, 01:14:51 PM

Title: Puzzle connections...
Post by: iacob alex on May 23, 2014, 01:14:51 PM
....with fire :      www.youtube.com/watch?v=W47Wa7onrIQ
     and friction : www.youtube.com/watch?v=5JbnDXw-0pM (http://www.youtube.com/watch?v=5JbnDXw-0pM)
        Al_ex

     
Title: Re: Puzzle connections...
Post by: iacob alex on May 28, 2014, 10:40:12 PM
.....regarding the possibility to play variable/oscillatory leverage :
 -as a circus space wheel performance , at :  www.youtube.com/watch?v=mOGOpzGffRo
 -as a cosmic perpetuum mobile model , at : www.youtube.com/watch?v=uGBANgbRkws


       Al_ex
Title: Re: Puzzle connections...
Post by: iacob alex on May 30, 2014, 08:23:18 PM
.....as a toy , game , simple device testing our inventive imagination , at :
  www.grabcad.com/library/perpetuum-mobile-1
  www.youtube.com/watch?v=lWKVWnHRzOU
...can be nothing more , than a judicious imitation of a basic mechanical principle , you can see at :
  www.youtube.com/watch?v=uGBANgbRkws
...if we have in mind a gravity powered device...without an electric battery " assistance".
    Al_ex
Title: Re: Puzzle connections...
Post by: DreamThinkBuild on May 31, 2014, 08:39:43 PM
Hi Alex,

Here is a neat "robot" design that has an interesting mechanical motion.

http://www.youtube.com/watch?v=R8NXWkGzm1E

For a whimsical device merry it with a double cone ramp.

http://www.youtube.com/watch?v=PeYw46xWZCs

Inspired by Alexander's design is attached is a picture of mixing the two.

I have a feeling it would get stuck at the end in this design. The corners would have to be expanding also but at rate to the curvature of the end and the flipping angle :). It's just a whimsical device for now maybe someone can get an idea to push it past the corners.
Title: Re: Puzzle connections...
Post by: iacob alex on June 01, 2014, 01:41:07 PM
     Hi DreamThinkBuild !
Your puzzle is related to inclined plane and a strange appearance...
As a matter of fact , it's a non-repetitive (rolling) fall , a "classic" lab-demo for gravity  property.
We are interested for a (self) repetitive fall...
   Al_ex
Title: Re: Puzzle connections...
Post by: iacob alex on June 21, 2014, 10:22:31 PM
.....related to balance-unbalance and relative motion as a stabile-mobile kinetic sculpture (1932 ) , at :
   www.xtec.cat/~jarrimad/contemp/calder.html
...and a simple (two sticks...) continuous motion arrangement (1996) , intended to resemble closely a perpetuum mobile concept , at:
   www.theswingingsticks.com (http://www.theswingingsticks.com)
In my opinion , this is the path for a creative evolution , thinking to a self-running gravity powered device.
      Al_ex
Title: Re: Puzzle connections...
Post by: iacob alex on July 07, 2014, 11:20:38 PM
.....related to mobile sculptures , at :
http://thewordmagazine.com/media/2012/06/Alexander-Calder.jpg (http://thewordmagazine.com/media/2012/06/Alexander-Calder.jpg)
.....a simple oscillatory system , at :
www. (http://www.pendulum-lever.com/two-stage-oscillator.htm)veljkomilkovic.com/OscilacijeEng.html
.....and a possible self running oscillatory leverage , at :
www.geocities.ws/iacob_alex/Some_Drafts/text029.jpg (http://www.geocities.ws/iacob_alex/Some_Drafts/text029.jpg)
    Al _ex
Title: Re: Puzzle connections...
Post by: iacob alex on August 01, 2014, 10:49:47 PM
 .....of the same " inspiration ",regarding a possible/impossible "gravity wheel", at scilogs.de. site :
   http://members.chello.at/karl.bednarik/PERPMOBI.gif (http://members.chello.at/karl.bednarik/PERPMOBI.gif)
...related to an inventor's image , at  peswiki.com  site :
   http://peswiki.com/index.php/Image:Andy_Motor_animated_by_Jim_Ross.gif (http://peswiki.com/index.php/Image:Andy_Motor_animated_by_Jim_Ross.gif)
  Sometimes,impossibility becomes a vague dictionary-word , when related to reality...
       Al_ex
Title: Re: Puzzle connections...
Post by: iacob alex on September 09, 2014, 01:38:32 PM
.....of an old real simple machine , powered by the free fall of a lever ,due to a continuous gravity unbalance , you can see in slow motion at :
     https://m.youtube.com/watch?v=mD7cqAm_Okg (https://m.youtube.com/watch?v=mD7cqAm_Okg)  ...playing. Variable leverage and "double" acceleration ( sling effect )
...and an old proposal for a possible gravity powered device ( wheel concept...)  , at :
     https://m.youtube.com/watch?v=fxe55EtbR8Y (https://m.youtube.com/watch?v=fxe55EtbR8Y)  ...playing gravity acceleration , only.
 As a dilemmatic puzzle , we have a simple way : to modify the trebuchet and to simplify the wheel.
 The nature help us with information , at : 
     www.youtube.com/watch?v=uGBANgbRkws (http://www.youtube.com/watch?v=uGBANgbRkws)
       Al_ex
Title: Re: Puzzle connections...
Post by: iacob alex on September 11, 2014, 06:08:24 PM
.....regarding the easy work , playing variable leverage , as :
 http://u2.lege.net/John_Keely/keelytech.com/news/oscillations/secondary.gif
...let's say , for a bascule bridge at :
 https://www.flickr.com/photos/meldrew/6927303230
Things don't turn up at ease in this world without a smart manner...
     Al_ex
Title: Re: Puzzle connections...
Post by: iacob alex on October 01, 2014, 05:31:00 PM
.....of a twin steam engine :
 www.john-tom.com/ElmersEngines/WebElmers3D/Web_09_TWIN%20CYLINDER.JPG
...with a proposal for a "twin" gravity unbalance rotor , at :
 www.geocities.ws/iacob_alex/Some_Drafts/text033.jpg
The problem is : can we replace the well known "firing" stroke of the explosion /  expansion with the free fall gravity unbalance?
AB Hammer made an attempt , as you can see at :
 www.youtube.com/watch?v=5I4NDGcj1UA
      Al_ex
Title: Re: Puzzle connections...
Post by: iacob alex on October 20, 2014, 11:29:30 PM
.....and in the same time , a step by step development of a pendular idea , at :
      http://u2.lege.net/John_Keely/keelytech.com/news/oscillations/secondary.gif
      www.youtube.com/watch?v=p4rgLBU34Oo
      www.geocities.ws/iacob_alex/Some_Drafts/text031.jpg


          Al_ex
Title: Re: Puzzle connections...
Post by: AB Hammer on October 22, 2014, 01:43:38 AM
DreamThinkBuild

Nice try but I think you need to change you tracks. I have a design of it, but have not built it due to not having time. But now my disability percentage has been increased. I will have a full week to spend on wheel work as I call it each month. Then I will build my version as well.

Al_ex

 I will also be adding in 3 different test soon on the device you show of my video. Each will have a different secondary driver and see if I can get it to perpetuate. Thanks for show my video.


Alan
Title: Re: Puzzle connections...
Post by: iacob alex on December 21, 2014, 04:57:25 PM
.....playing the same idea ( variable/oscillatory leverage as a possible "self" motion ) , at :
http://www.nathancoppedge.com/Perpetual_Motion_RepeatingLeverage2.jpg (http://www.nathancoppedge.com/Perpetual_Motion_RepeatingLeverage2.jpg)
     and : www.geocities.ws/iacob_alex/Some_Drafts/text036.jpg (http://www.geocities.ws/iacob_alex/Some_Drafts/text036.jpg)
You can a diversity of lever arrangements ( Class 1,2 or 3)...

     Al_ex
Title: Re: Puzzle connections...
Post by: iacob alex on March 13, 2015, 11:01:55 PM
.....between :  www.e-farsas.com/wp-content/uploads/rar_motor.png
                      http://en.m.wikipedia.org/wiki/Crank_(mechanism)#/media/File:Cshaft_18_frame.gif
               and www.geocities.ws/iacob_alex/Some_Drafts/text032.jpg


                      Al_ex
Title: Re: Puzzle connections...
Post by: iacob alex on March 15, 2015, 10:30:36 PM
.....between a swinging lever-pendulum system :
http://u2.lege.net/John_Keely/keelytech.com/news/oscillations/secondary.gif


...and a swinging Atwood machine :
http://en.m.wikipedia.org/wiki/Swinging_Atwood%27s.machine#/media/File:Swinging-atwood%27s-machine-4.5.gif
     Al_ex
Title: Re: Puzzle connections...
Post by: iacob alex on July 21, 2015, 02:25:47 PM
.....if we intend to evolve a still problematical proposal , at :
     https://m.youtube.com/watch?v=kRW0ASuBrdc (https://m.youtube.com/watch?v=kRW0ASuBrdc)
...with a two belt band support system , as :
     www.geocities.ws/iacob_alex/Some_Drafts/text036.jpg (http://www.geocities.ws/iacob_alex/Some_Drafts/text036.jpg)
      Al_ex
Title: Re: Puzzle connections...
Post by: iacob alex on December 08, 2017, 09:23:34 PM
.....if we take into consideration a variable arm (alike a marble rolling off a bowling ball...) , at :
     http://crbond.com/physics.htm (http://crbond.com/physics.htm)
     due to the gravity free fall and the rotational inertia possible" elongation" of the arm
.....and the throwing /long-short hinged arm ,as :
     https://youtu.be/Yca2m5PTP7A (https://youtu.be/Yca2m5PTP7A)  ...a so old design , but let's play a single hinged arm , as :
     https://commons.m.wikimedia.org/wiki/File:Trebuchet_Scheme.png (https://commons.m.wikimedia.org/wiki/File:Trebuchet_Scheme.png)  , a so old simple machine
     https://youtu.be/qTK8YEK4kuk (https://youtu.be/qTK8YEK4kuk) ...a new design , but let's play the "old" 180* "restriction" ...
     Here is a great difference between the old "knee joint" and the new "free joint", if we intend to control the hinged arm..."via" gravity.
     Al_ex
Title: Re: Puzzle connections...
Post by: iacob alex on June 06, 2018, 04:30:14 PM
.....regarding some proposals , lntended to realize a continuous gravity unbalanced leverage , at :
     https://youtu.be/kRW0ASuBrdc (https://youtu.be/kRW0ASuBrdc)
   moteur-hackenberger.over-blog.com/article-la-machine-de-sellier-42901661.html (https://moteur-hackenberger.over-blog.com/article-la-machine-de-sellier-42901661.html)
     www.geocities.ws/iacob_alex/Some_Drafts/text032.jpg (http://www.geocities.ws/iacob_alex/Some_Drafts/text032.jpg)
     The basic /starting idea is the same...
     Al_ex
Title: Re: Puzzle connections...
Post by: NathanCoppedge on August 03, 2020, 05:14:48 AM
.....playing the same idea ( variable/oscillatory leverage as a possible "self" motion ) , at :
http://www.nathancoppedge.com/Perpetual_Motion_RepeatingLeverage2.jpg (http://www.nathancoppedge.com/Perpetual_Motion_RepeatingLeverage2.jpg)
     and : www.geocities.ws/iacob_alex/Some_Drafts/text036.jpg (http://www.geocities.ws/iacob_alex/Some_Drafts/text036.jpg)
You can a diversity of lever arrangements ( Class 1,2 or 3)...

     Al_ex



There are better designs now. The Swivel Lever Device and V Lever and Escher Lever have more evidence now, relatively easy to build partial models.



Title: Re: Puzzle connections...
Post by: NathanCoppedge on August 03, 2020, 05:45:00 AM
Hi Alex,

Here is a neat "robot" design that has an interesting mechanical motion.

http://www.youtube.com/watch?v=R8NXWkGzm1E

For a whimsical device merry it with a double cone ramp.

http://www.youtube.com/watch?v=PeYw46xWZCs

Inspired by Alexander's design is attached is a picture of mixing the two.

I have a feeling it would get stuck at the end in this design. The corners would have to be expanding also but at rate to the curvature of the end and the flipping angle :). It's just a whimsical device for now maybe someone can get an idea to push it past the corners.




The design (Alex)? mentioned actually gets stuck in the middle.

The solution is the Escher Machine, which is a real concept.

It uses a backboard to create momentum. Seems to work, but very precise like millionths of s degree, about 1.1 degrees horizontal and vertical like the Magic Angle from MIT.

If resistance is less than momentum from backboard, combined with horizontal wedge with 125% advantage,, upward motion!




Title: Re: Puzzle connections...
Post by: iacob alex on August 04, 2020, 11:12:57 PM
   Hi Nathan !
As I understand , you consider some "better" designs ( Swivel lever device, V lever , Escher lever...) ...for me , the starting point is a natural "design"/model at :
   https://youtu.be/uGBANgbRkws
...and his simplified "copy" at :
   https://overunity.com/18541/developing-a-successful-game/
Anyway , I wish you good luck !!!
   Al_ex