80 results found displaying 31-33
    
Dustin Lackford
 USA
50 yard'er Printer Friendly Version
A football that tells u how far you threw it after u through it. ex. if i threw it 20yd at the push of a button a voice will tell you how far you just threw it.
Reward: My name in big print on the football. 

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mtd28student
 New Zealand
Motorised Skateboard Printer Friendly Version
Motorised skate boards have been around for a while. Basically they are snowboard sized skateboards with 40ish cc engines on the back of them, usually chain or belt driven the back wheels. This is fine, but these monsters can't really be used on or at a skate park. Because of the size and the weight of them, it is impossible to do tricks with them.
What i am thinking about is a motor that is attached to the back of an ordinary skateboard, but it is detachable. So once you get to the pack, you simply undo the fasteners and pull it off.
You want to be able to attach the device to any skateboard, so a means of propulsion needs to be thought of that doesn't include the skateboards wheels (jet propulsion isn't really an option either).
A swing arm out the back of the skateboard would probably do the trick. The swing arm would have a single rubber wheel on it and be spring loaded so that it is always in contact with the ground. The wheel could be belt, chain or shaft driven.
And the engine could be either electic or petrol (chainsaw for prototype). Electric posses the problem of batteries and petrol posses the problem of weight.
I started to make a prototpe of this (many moons ago, when i was about 14) but the centrivical clutch broke on the engine and i never got round to finishing the project.
any improvements anyone?
Reward: once in production..... a discount 

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*[SAL]*Irish8Ball
 Canada
New Sport - Snow Biking Printer Friendly Version
This sport consists of 2-4 people. You must play it at the time in the year where there is still snow on the ground yet it is nice enough for you to bike. The object of this game is to hit the person on the bike with a snowball just as he zooms by you as fast as he can go. The biker is only wearing shorts and a t-shirt so he really doesn't want to get hit. 100 points if you hit the head, 50 for the bare arm, 50 for bare leg, anywhere on the bike is 25 points, and anywhere else is 10 points. You must get to 500 points to win. The person on the bike will bike past the man with the snowball 3 times before they switch, the man on the bike becomes the man throwing the snowballs and the guy with the snowballs now rides the bike. Trust me! this is really fun, me and a friend invented it and played it last march, it was really fun.
Reward: Snow Biking Tournament 

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