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SVTPerformance's Chain of Restaurants
Road Side Pub
Balloon powered mini-racers, need design ideas!
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<blockquote data-quote="Julie GT07CS" data-source="post: 8749912" data-attributes="member: 66490"><p>Have you ever made a balloon powered racer? Our son needs to make one for science class. </p><p> </p><p>Here is the basic list of supplies he has to use:</p><p>large Jell-O box (empty;-))</p><p>two small straws</p><p>large straw</p><p>rubber band</p><p>balloon</p><p> </p><p>In addition: </p><p>He can incorporate an extension that either lengthens the body of the car or supports the balloon. </p><p> </p><p>No pre-fabricated wheels are allowed. He has to create his own out of bottle caps, spools, etc...</p><p> </p><p>Cars must have at least 3 wheels. If two sets of wheels are used, one set must spin independent of the axle and the other set must be attached to the axle. </p><p> </p><p>To get an A, his car must move at least three meters (approx 9-1/2 ft for good measure), have extensions, one set of wheels turns together with the axle and the other set of wheels turns on the axle freely.</p><p> </p><p>There are lots of variables that come into play with the outcome, how big of a balloon, size of wheels, how long you can make the car, etc...it sounds simple but I think it will take a lot of trial and error, which will be fun. Yeah, I could Google info but it's much more fun seeing what SVTP engineer/design peeps can come up with. :beer:</p><p> </p><p>Oh, before someone makes a comment why he shouldn't need my help, he is (high functioning) autistic so he needs a little help from us. He wants to build a kick-ass car! :rockon:</p></blockquote><p></p>
[QUOTE="Julie GT07CS, post: 8749912, member: 66490"] Have you ever made a balloon powered racer? Our son needs to make one for science class. Here is the basic list of supplies he has to use: large Jell-O box (empty;-)) two small straws large straw rubber band balloon In addition: He can incorporate an extension that either lengthens the body of the car or supports the balloon. No pre-fabricated wheels are allowed. He has to create his own out of bottle caps, spools, etc... Cars must have at least 3 wheels. If two sets of wheels are used, one set must spin independent of the axle and the other set must be attached to the axle. To get an A, his car must move at least three meters (approx 9-1/2 ft for good measure), have extensions, one set of wheels turns together with the axle and the other set of wheels turns on the axle freely. There are lots of variables that come into play with the outcome, how big of a balloon, size of wheels, how long you can make the car, etc...it sounds simple but I think it will take a lot of trial and error, which will be fun. Yeah, I could Google info but it's much more fun seeing what SVTP engineer/design peeps can come up with. :beer: Oh, before someone makes a comment why he shouldn't need my help, he is (high functioning) autistic so he needs a little help from us. He wants to build a kick-ass car! :rockon: [/QUOTE]
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SVTPerformance's Chain of Restaurants
Road Side Pub
Balloon powered mini-racers, need design ideas!
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