Fleet of pedal-powered bumper cars
Basically I took AZ's spinbike design and added bumpers. The result? Bumper cars that you can ride anywhere. These are brutal and an absolute hit. I presented them at the Corinbank festival where I am in New South Wales but I hope to turn it into a legitimate festival event. We've already started to think up sports you can play: Last one bumped out of a circle, hockey with a shopping cart puck, etc etc.
http://non.primate.net/chopper/bb1t.JPG http://non.primate.net/chopper/bb2t.JPG http://non.primate.net/chopper/bb3t.JPG http://non.primate.net/chopper/bb4t.JPG http://non.primate.net/chopper/bb5t.JPG http://non.primate.net/chopper/bb6t.JPG http://non.primate.net/chopper/bb7t.JPG http://non.primate.net/chopper/bb8t.JPG Remove the "t" in the filename to get a closer look. I'll get some video up soon. |
thats coool
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Did you make all of these? Is any one design better than the others? They all look like a blast to ride.
East Hill |
Rad! The possibilities for injuring yourself while laughing hysterically are endless. Nice work.
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Great idea! Every fair in Mexico and half the small fairs in the US. will want them. They look fun.
Or use them as the focus for corporate teamwork training. ;) |
thats been on my to-do list forever good job, i love the tires for bumpers, very staight forward is ther any difference what-so-ever between AZ's spintrike and these besides the bumpers? my spintrike was impossible to ride for anydistance without spinning too much to get where i was goin, very frustrating! i have a fenced in area of cement right down my road that is perfect
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the dark green one looks like it takes some height!
i love how the principle to this bike is to bludgeon the other person to death with the momentum of your own bodyweight! |
I made them all and they are the result of some deliberate experimentation. The yellow one rides best- the small wheel gives you more clearance and torque, and you need lots of room around the bumper to be able to counter the spins.
They are built for four different heights of people so everyone could ride. You can make the bike favor a straight line by a) more rake in the head tube, b) castering the front wheel (like in the green one), or c) tilting the rear casters slightly back. But this has the effect of giving the bike a top speed, when the casters hit the death-wobble point. But yeah, you aren't going anywhere on these. They're almost exactly AZ's design. |
Originally Posted by Johnny Payphone
(Post 6286882)
You can make the bike favor a straight line by castering the front wheel (like in the green one)
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my problem with spintrikes is they throw the riders head around, i think they need headrests to make it easier to keep te riders head upright, one of the reson i removed the caster wheels and put real wheels on mine
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hey buenos! Where you at in the UP? I'm from Iron River!
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Originally Posted by Johnny Payphone
(Post 6286882)
I made them all and they are the result of some deliberate experimentation. The yellow one rides best- the small wheel gives you more clearance and torque, and you need lots of room around the bumper to be able to counter the spins.
East Hill |
Originally Posted by East Hill
(Post 6288602)
I'm giving the yellow one style points for having matching seat and back, too :p .
East Hill |
Excellent! And with oil @ $104.46 right now (Bloomberg); you might sell a million!
countersTrike |
Originally Posted by Capn ˇFUN!
(Post 6287848)
hey buenos! Where you at in the UP? I'm from Iron River!
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would be nice if bigwheel style wheels(with the crank right on the hub) with freewheels in the hub were easier to come by, they would be perfect for these.
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beautiful,
how are they on tipping towards the front. Looks like they might be able to use some caster at the front corners too. And what about a seat belt to to hold the driver back so as to prevent crotch contusions? |
crotch contusions are 3/4 the fun!
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the other 1/4 is trying to ram your freinds in such a way to give them crotch contusions!
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Originally Posted by los buenos
(Post 6308924)
the other 1/4 is trying to ram your freinds in such a way to give them crotch contusions!
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Originally Posted by los buenos
(Post 6293134)
would be nice if bigwheel style wheels(with the crank right on the hub) with freewheels in the hub were easier to come by, they would be perfect for these.
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I now know the true meaning of love... I can picture myself and a few buddies riding around like idiots bumping each other..... I like your idea of bump sumo!
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