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Ok... this one has been in my brain for a long time and is kind of hard to explain.
First off.... forget tires. Imagine an 7 (or 5 whatever works best) spoked wheel, and at the end of each wheel is a semicircular rubber pad (or tire patch).
Each spoke of the wheel, coming from the central hub
is able to move towards the center of the wheel as it rolls and hits a bump. Only the spoke of the 'manny legged wheel' that hits the bump gets compressed.
The advantage to this is that the suspension would be combined with the drive shaft, linking to the center of the wheel, and all the legs.
This way the springs and shocks, even if not combined with the driveaxle, would be mounted low and parallel to the ground, lowering the center of gravity. As well, the suspension can be mated to the engine and make it a stressed part of the vehicle (much like an F1 car but in front instead of on the back), eliminating the need for front funder subframes and all the mounting points for the suspension towers.
As well as this, since the over all height of the wheel ramains more consisten, aerodynamics are also improved as the vehicle will remain more level.
Rubber is always in contact with the road, and the low profile tires offer low profile advantages, withe the wheel containing the suspenion travel and the trubber compression.
Radicle Rotation
Radicle_20Rotation
[tiromancer, Jan 02 2005]
Soft Robot Powered By Shape Memory Alloy Spokes
http://technovelgy....ews.asp?NewsNum=176
[tiromancer, Jan 02 2005]
Smart Wheels
http://technovelgy....ontent.asp?Bnum=117
use sonar, laser range finding and millimeter wave radar. [ChiefTechnovelgist, Jan 03 2005]
Triskelion
http://www.cia.gov/.../flags/im-flag.html
as david_scothern points oot. [calum, Jan 04 2005]
Tweels from Michelin
http://www.gizmag.com.au/go/3603/
Similar? [ConsulFlaminicus, Feb 01 2005]
Leg-barrow !
http://web.mac.com/...over/legbarrow.html
shameless link to own illustration of an idea for a barrow, Isle of Man style [xenzag, May 21 2007]
biked. I mean baked
http://www.zefrank....cycle+With+Feet.jpg
[jaksplat, May 21 2007]
Pedrail
http://www.chrishod....co.uk/pixv/008.jpg
Pedrail pic [randylandy666, Jul 24 2007]
Pedrail
http://www.chrishod....co.uk/pixv/009.jpg
Pedrail pic [randylandy666, Jul 24 2007]
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Annotation:
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Isn't this a drawing by Escher? |
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//since the over all height of the wheel ramains more consisten// (*t). Not by my understanding of geometry. |
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I think the handling would be terrible. |
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The spokes should definitely have shoes and sneakers on the end. In fact, as each shoe wears out, you can replace it with a newer shoe. |
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What size would the shoes be? Could they come in stiletto for offroading? |
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think how much fun you can have with hydrolics |
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I saw something somewhere sometime
(god, my memory....) which was
somewhat similar, somehow. But a key
point was that you could make the
spokes active rather than passive, so
that they provide the drive as well (the
spoke which is just about the leave the
ground extends to give a push). Legs
are basically the same idea - you just
keep recycling the spokes by bringing
your back leg forward in time to be the
next spoke in the sequence. |
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Suctionpad : The wheel would retain its overall height as the spokes compress, keeping the _center_ of the wheel at the _same height_ as it was before hitting the bump. |
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That's my meager understanding of geometry. |
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Red Green once made a tire out of some used sneakers, some metal tubes, and the handyman's friend. |
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A buddy of mine's dad owns a large Canadian meat distribution company, and Red Green did a couple of commercials for him. |
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He has a roll of autographed duct tape from him. |
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Typo in your description: Where you say "at the end of each wheel," you mean to say "at the end of each spoke." |
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There's a similar idea used in Neal Stepehnson's book _Snow Crash_. "Smart wheels". It's a very nifty concept. |
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[gisho] & [Giblet] - What's with all the underscoring? |
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PS Despite the various mechanical problems in implementing this, [+] for an idea halfbaked in truly Seussian style. |
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Check out the link posted by [ConsulFlaminicus]. If this concept is good enough for Michelin, then it's good enough for me. |
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But what will I do with my $20,000 rims? |
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[wagster] - It's the traditional way of indicating underlining in a text-only medium without markup, and the lazy way of underlining in any keyboard-input medium. <u>HTML markup</u> doesn't work in annotations, but I still habitually underline book titles. |
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This is baked in 2001: A space odyssey. They used them for lunar vehicles. |
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I don't remember the 2001 reference, but I do remember a crawler toy from the 1960s (Mattel?) for a seated astronaut GI Joe or similar, but the spokes were rigid, and it only had two wheels, and dragged the "tail" behind. |
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hey guys
sorry but i believe this ingenious idea had been done before in the form of the pedrail |
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My idea is similar, excep the individaul feet dont articulate left and right, just up and down. The feet also have arced soles |
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