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Summer setup help

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Freeskim@n
Posts: 732 - Karma: 203

I'm creating a summer setup in backyard. I need to know if i will get enough speed with this. I will cover it of artificial turf and my box will be in HDPE. I also need to know the best height for the small jump and the box to don't loose too much speed. This photo is just a small plan to show about what it would like. Don't care about the rope and the net.Click for larger image

May 28 2009 7:55PM
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geet
Posts: 2436 - Karma: 6
jib 101 cult. but u didnt really give any dimensions on there so its hard to tell
May 28 2009 7:58PM
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Freeskim@n
Posts: 732 - Karma: 203
i know. it is just my idea. the first down in wood is about 4 feet tall and the natural pitch 5 feets. the box will be 12-14 feets
May 28 2009 8:01PM
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_Joe_
Posts: 314 - Karma: 725
if you can you should lose the flat part between the two downs, it will be really annoying. As for speed that will be plenty, but i would suggest a rail over a box, personally i find boxes are way more expensive and not as much fun as a rail, but thats just my opinion
May 28 2009 8:15PM
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TheQuailman
Posts: 7381 - Karma: 144

yea, that should work.  But a rail would definitly be better.

If you don't have enough speed then move the jump so its actually on the hill, that way you don't have to go all the way down and back up.

May 28 2009 10:15PM
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Freeskim@n
Posts: 732 - Karma: 203

Finnaly, i will only use the natural drop. That's what it look like after 20 minutes.

Click for larger image

Jun 1 2009 7:43AM
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.SimonB.
Posts: 1959 - Karma: 713
I would lose the flat section half way, but dont take out the drop in.  If you have the drop in you will have so many more options for longer rails and kinks and stuff.  MOre speed the better.
Jun 1 2009 8:05AM
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Freeskim@n
Posts: 732 - Karma: 203

Ok i start wokinbg on it and i decide to remove the drop in (see previous pic) and use only the natural drop. Results: I try it without water i was not getting over the jump. I think I will add 5 feet of drop.

+ I built a 10 feet rail

Here is what my setup look like now:

When I try it

Click for larger image

Overall view (the drop-in is about 8 feet long

Click for larger image

 10 feet rail (6 inches wide and I will cover it with UHMW or something like that)Click for larger image

Takeoff (about 14 feet high) (the rail look higher but it is because nothing hold it)

Click for larger image

Jun 14 2009 8:00AM
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Freeskim@n
Posts: 732 - Karma: 203

Takeoff= not 14 feet high but 14 inches high

Sorry

Jun 14 2009 8:01AM
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*steeze_is_good
Posts: 2885 - Karma: 718
Post this same thread in build a jib, you will get more people willing to help. Did you wet the turf when you were going?
Jun 14 2009 8:42AM
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I_Am_Mod
Posts: 13214 - Karma: 3,753
first off, build a jib 101 is where you wanna go...

second of all, if you're gonna go with the original design (-> tower, down, flat, down, flat, kicker, rail, lose the first flat, mover your tower forward and make one smooth drop-in without kinks, because every transfer will cause you to lose kinetic energy....

+ i myself have a HDPE box as well and im satisfied with it alltough it needs frequent lubrication....
Jun 14 2009 9:24AM
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Freeskim@n
Posts: 732 - Karma: 203

When i try it first time no

Does it affect the speed alot?

because i really need more

Jun 14 2009 12:11PM
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McSlay
Posts: 651 - Karma: 1,182
yes wetting it helps a lot and if wetting it isn't enough try dish soap too
Jun 14 2009 12:16PM
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Mr.Huck
Posts: 6096 - Karma: 14,893

You are wasting your resources.  You built the ramp and just layed it down on the natural slope.  What's the point?  Bring the ramp up so that it extends the natural slope.  That sould give you what looks like it would be about 25 feet of run in on about a 20 degree slope.  That should be more than enough.  The other thing that works well and sometimes too good is bio degreaser or bio friendly soap.  Dilute that stuff with water and spray down your turf.  It will be way fast and you may have to throw in a few speed checks to keep from disastering your whole box.  I bought my biodegreaser at Ace Hardware.  It's for degreasing bike chains etc, but it won't kill your grass when it drains off.

Jun 14 2009 1:10PM
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JustinLavallee
Posts: 119 - Karma: 149
how long is your rail?
Apr 23 2013 7:43PM
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