My boy built his 1st box for summer sessions in the yard - Page 2 - Snowboarding Forum - Snowboard Enthusiast Forums
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Old 04-24-2011, 07:51 PM   #11 (permalink)
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Well we got it up and running. Still need to add the box. It is much slower than I expected though, we are not carrying much speed to hit the small jump let alone a box.





Click the pic to view video, me acting as a guide don't need a broken bone during testing.

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Old 04-25-2011, 12:12 AM   #12 (permalink)
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have you tried putting soap and water on the turf?
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Old 04-25-2011, 07:05 AM   #13 (permalink)
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Use HDPE as a top sheet. Lexan is very brittle and WILL crack after the first hit.
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Old 04-25-2011, 08:02 AM   #14 (permalink)
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yep we did use soap and water you can see the pitcher in the lower left corner.
I am buying HDPE for the top sheet just haven't gotten that far yet.

still good times !!!
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Old 04-25-2011, 02:49 PM   #15 (permalink)
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Some practice today. Even with soap & water still need some more speed. We put the box out but we barely carry speed to get on to it. Hoping the HDPE will help greatly. Buying that on Friday.

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Old 04-25-2011, 04:16 PM   #16 (permalink)
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So you think the material (astroturf?) just isn't slippy enough? Is that the rubbery astroturf or the fake-grass stuff?
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Old 04-25-2011, 06:00 PM   #17 (permalink)
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It's the fake grass stuff. Maybe once we get the box done it might be ok. We did soap and water it and it helps but I can't keep soaking it, as it will mess up the yard pretty good and we can't have that either.
So we'll see how she goes. He's having fun for now so that is what counts...
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Old 04-27-2011, 09:18 PM   #18 (permalink)
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Highly recommend putting half a dozen things of PVC Piping over that thing so it actually slides. Way cheaper than HDPE. I'd love to make a long PVC/2x4 rail thingy for my back yard, but it doesnt snow down here, nor do I want to use astro turf.
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Old 04-29-2011, 09:33 PM   #19 (permalink)
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http://home.earthlink.net/~zymurgyjw...board-ramp.jpg
http://home.earthlink.net/~zymurgyjwt/snowboard-box.jpg

That is what my friend and I built in his backyard. We found the same thing about the astroturf being slow. The sharp tips of the blades of "grass" make alot of friction. We had to add a few feet of height to get the ramp to work good. Final height is 6ft. We also use soilmoist Amazon.com: Soil Moist SMN10 10 oz Natural Absorbing Granules: Patio, Lawn & Garden We put it in an old blender to make it a powder and it makes a slimy gel once water is added. Close to snowgel. We want to get some powderpak to replace the astroturf.

Unless you can find HDPE for really cheap save the cash and get some PVC boards from Lowe's. The PVC top on our box is 8ft long and cost less then $35.
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Old 04-29-2011, 10:26 PM   #20 (permalink)
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I got a piece of HDPE 1' x 10' for $30 I think that is a good price.
I wish I could afford Snowpak....
I may have to try to find the soilmoist stuff.

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