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my backyard roller coaster

video my backyard roller coaster
i am a 13 year old in New Zealand and i came across a video of someone who made there own roller coaster so i decided to make my own.
the track is 30 cm and 45 cm wide with 2 or 3 15 cm planks side by side
its 65 cm tall at the start and has already been extended to 18 meters and still has about 10 meters to go.
it goes over 10 kph at some points and will end up going up to twice this speed when complete.
 it is still a work in progress and has had about 2-3 weeks of work on it
hope you like it
total cost FREE all wood and side rails came from under our house


CHECK OUT THE UPDATE Backyard Roller coaster 2

YES IT IS A ROLLER COASTER AS IT ROLL'S AND COASTS 
and its better than some people who make these like a skateboard on a drive way
17 comments
Feb 13, 2010. 8:30 AM7777777 says:
sucks

Aug 7, 2011. 5:40 PMundftdking says:
LOl that may be a problem keep trying
Jun 2, 2011. 4:56 PMtinker234 says:
wow nice and simple hmm looks like it needs a cart
May 23, 2011. 7:33 PMDarthpuppy says:
Nice Job. Keep it up
Nov 4, 2010. 3:12 PMpreread says:
awesome job! keep building!
Apr 24, 2010. 4:40 PMgeekazoid says:
 ALL BLACKS!
Mar 3, 2010. 8:50 AMGinger Magnus says:

Way to go mate!  I wish I had this in my backyard when I was your age.

To 777777 where is yours?

Mar 3, 2010. 12:08 PMGinger Magnus says:
I did and even Version 3 on youtube.  Very promising.  Have you tried standing up on it?  Maybe end up dropping into a half pipe at the end.  One can dream.
Oct 25, 2009. 10:46 PMBongmaster says:
Well right now its just a ramp XD

stick to it and i hope u get somewhere ;)
Oct 26, 2009. 4:57 PMBongmaster says:
as they do XD

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