A 4ft Half pipe will run about 1500 at the cheapest.
Depends on the half pipe....
Given enough time the entire ocean could be pumped through a half-inch pipe.
there is no difference, half pipe snowboarding is just regualr snowboarding on a half pipe
Depending on the length of the pipe, it could range from nearly none to billions of gallons!
Some uses for a half pipe would be in reference to sporting competitions. Snowboarding, skateboarding and BMX bike competitions all utilize the half pipe to perform tricks.
For a half-pipe, the angle of the transition walls typically ranges between 30 to 45 degrees. This angle allows for sufficient speed and maneuverability for riders while maintaining stability. The exact angle may vary based on the desired difficulty, the type of skating or snowboarding, and the specific design of the half-pipe.
Skating the Half Pipe - 1998 was released on: USA: 13 November 1998
Its Self Defined, A Half Pipe is indeed half of a pipe where more often than not, from the middle to the top is cut off or just not built with at all. It's Main Purpose is for Skating on a skateboard. Visit your local skate park to see a half pipe.
More, depending on how long you allow the flow to flow.
Skating the Half Pipe - 1998 is rated/received certificates of: USA:G (short version)
half pipe park?....
half-pipe(i think)