| Finding the appropriate halfpipe to fit your preference | | | | side. It should be about 3"3 tall, with three pieces. Use |
| can be difficult, so the best thing to do is to make one | | | | the fishing line to fashion out a curve with a radius of |
| yourself. If you do it yourself you can ensure that all | | | | approximately 5"7 ½". This will serve as the |
| your needs will be met and you won't have to worry | | | | halfpipe bowl. |
| that something is just not perfect. | | | | Use the radius to make the side bracing, noting the |
| Although you can construct one, consider getting your | | | | areas of support. Join the vertical sides using the cross |
| friends involved; not only does it make things easier, | | | | members. They should be about 7 and half inches |
| but its also more fun. Especially after it is done and you | | | | apart. Do not forget to double them up at the point of |
| all can then use it and know that it was something you | | | | the plywood beams so they will not break up when |
| all built together for fun and adventure. | | | | you utilize them. |
| Don't worry, this project is not going to be as difficult | | | | The plywood will serve as the decking; connect it with |
| as you might at first think. Just make a plan and stick | | | | the screws. To create the platform and the ramp, you |
| tto it and in no time you will have it up and ready for | | | | just double the plywood decking. To make the ramp |
| use. | | | | easier to use, place a smooth surface above the |
| The materials you will need to make the halfpipe are | | | | plywood. |
| easily obtainable; 8 sheets of plywood (3/4"), stock (2 | | | | The last thing you will build for the halfpipe is the |
| x 4), a 10" PVC pipe, several nails, ½ screws and | | | | grinding rail (the starting platform and the decking join |
| laminate. To put the whole thing together, you will need | | | | up). To mitigate the damage to these areas, get the |
| a hammer, a fishing line, a measuring tape, some pencil | | | | 10" PVC pipe. Use the screws to fasten it to the |
| and paper, and a saw. A drill with bit selections is also | | | | plywood. |
| necessary. | | | | There will be times when you will need to disassemble |
| The first thing that you will have to do is find an ideal | | | | the halfpipe. It is for this reason that you should use |
| spot. This will determine how large the halfpipe will be. | | | | screws than nails, because it will make it easier to pull |
| Next, you put down the framing system, which | | | | the whole thing apart and back together again. Also, |
| consists of two proportioned sides. Get the 2 x 4 | | | | covering the halfpipe with any material that will protect |
| stock and make a bracing structure 4" wide and 8" | | | | it from heavy rain will be necessary. |
| long. The surface should have two sections (4 x 8) | | | | Of course, you should regularly inspect the halfpipe and |
| and floor support about 7" and 7/8" spaced apart. | | | | replace any parts that have been subject to wear and |
| Next place the bracing (horizontal and vertical) on the | | | | tear. |