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Unread 28-12-2006, 13:53
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Re: CardBoard Rollercoaster

Quote:
Originally Posted by Billfred View Post
Unsuccessful in which sense? Does the car not make the loop? Does the whole thing fall apart in a spectacular crash? Does the car have to start from a certain height on a hill?

More details would really help here.
we can use cardboard and clear tape, with a maximum height of 7 feet. A marble needs to make it around an 8 inch diameter loop we have tried to use cardboard tubing by cutting it in half and slitting the sides so it would curve the ball couldn’t make it up the loop I guess it was too flimsy and bumpy.
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