h a l f b a k e r yIt's as much a hovercraft as a pancake is a waffle.
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The invention of the cardboard bicycle (google it). Got me thinking about alternative materials to make bicycle frames. Lead, marble, and wood came to mind but didn't seam plausible for a frame. Then came Ice. The cardboard bicycle still uses standard tires, rims, brakes, chain, crank, pedals and
sprockets but replaces the pricy frame with cardboard. In my idea, the bicycle is a mold for water that freezes the crank bearing in place as well as the steering tube. All other accessories are optional and to be added after the freeze. Remove the frame from the mold and go for a ride.
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// wood came to mind but didn't seam plausible for a
frame. // |
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Bicycles have been made with wooden frames for a very
long time. |
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As for ice... It's brittle, and when it breaks the pieces are
generally quite sharp, and in most climates it's not
permanent. It makes no sense to lock up what in two hours
will be a scattering of unusable parts. |
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Designed for short rides. And not everywhere is hot. Many people ride bikes in snow |
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Even in very cold climates (like the one I live in), ice will
melt during the day if
exposed to direct sunlight. Ice also melts when placed
under pressure, so all of the weight-bearing points on the
frame will begin to melt as soon as you get on. Ice also
melts and cracks when in contact with metal, because the
two materials expand and contract at very different rates
over the course of a day. |
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Ah, now if the idea had called for a _pykrete_ frame, my
response might have been different, but pycrete, as we all
know (or at least as those of us who know do), is not ice. |
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I got it right the first time. One outta two ain't bad. |
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Well I'm selling a mold, not a finished bike, so if it melts make another one. And if you want a pykrete bike, you can easily make one. You can add your favorite color food coloring too, make it look great. |
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So by selling the mold and not the frame, you're excusing
yourself from legal responsibilty when an ice-bike shatters
and a long frame member impales the hapless rider
through the guts? |
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Good thinking - product liability's a bitch … |
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// it would seem logical to cover the road in
spikes to reduce skidding // |
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Neat idea, you should post that … |
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Ice cream, sherbet, orange juice, gravy, whatever you have. Freeze it, ride it. |
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Dang it, just popcicled a tire |
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Optional accessory molds would be available. Ice helmets, safety pads and an ice water bottle for //vodka for the repair kit// |
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Better hurry up and copywrite 'i-cycle'. |
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Looking forward to seeing the ice shorts. |
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//why not? // has a lot of answers, some of which are mentioned in annos above. As the ice melts, does the bicycle change size? (Therefore parts not fitting well will cause a disturbance.) |
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Im not sure I understand the seriousness this idea is being granted. I guess I just envisioned a bike that would be ride-able long enough for someone to see you doing so. Not practical transportation. More of an interactive art piece. Now everyone take off your serious hats and have fun, okay? |
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But I -was- being serious with my annotation. |
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//ice shorts// the word you're looking for is "detumesce" |
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//Now everyone take off your serious hats and
have fun, okay?// |
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The fun started for me when I imagined someone
sitting on, and instantly shattering, a pure frozen
water ice bicycle.
A video of this actually being done would be even
more fun. |
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Engineering-wise, though, I'm pretty sure the
range of the proposed vehicle is the same as that
of falling off/through a disintegrating bicycle. |
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Okay, some of the bakers need to take off their serious hats... |
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one (serious) engineering note though... This idea isn't for a mold the same dimensions as a traditional bike frame. The ice would need to be very thick to accommodate the stresses put on it. Just guessing here, but thinking somewhere like 6 inch's thick for the frame. |
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Freeze some reinforcement into the ice, maybe? Kevlar strapping, or perhaps tubing for control cables, acting like rebar in prestressed concrete? (You wouldn't want to damage the outside of the ice by putting in a screw, eyelet, piton, or whatever to hold a brake cable in place, for example) |
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<edit> or perhaps an external wrapper / reinforcement / decal that tends to keep broken pieces from going into places or people they shouldn't |
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I might have taken it as apparently intended if the idea
had been presented as some form of art or public
spectacle, or even categorized under "public: art" (or
"public: embarrassment"), but the category selection of
"product: ..." and the comparison to a real and functional
product kind of threw me... |
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Honestly, the category selection process is cumbersome using my phone, which is my way of accessing the HB. I usually just try and find what suits my idea most closely. If jutta wouldn't mind (doing it for me) I would like this idea to fall in some sort of art category. I find it hard to express the true meaning of my ideas but it usually works out. I don't mind bones, btw. If you really hate my idea I encourage voting based on what you think... |
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Sorry for the misunderstanding, then. I don't hate the idea,
I just thought a few oversights needed looking into. |
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If you made a tandem, would it be "an icicle
built for two" ? |
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