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In-Ground Trampoline

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grnwd
Posts: 421 - Karma: 90

Has anyone done this? I have looked into it somewhat and there are kits for it but they are $700 to $2000. I am thinking about putting 3/4" stone or stone dust at the bottom and then cement pillars under the legs, then some sort of metal siding or roofing to keep the sides from caving in. What do you guys think? Any suggestions?

Sep 14 2011 1:27PM
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Blurst
Posts: 13577 - Karma: 10,169
dig a whole
Sep 14 2011 1:29PM
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SkiThe603
Posts: 5376 - Karma: 498
put trampoline in the hole
Sep 14 2011 1:33PM
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Brentizzle
Posts: 1584 - Karma: 1,871
proceded by bouncing on your new in-ground trampoline
Sep 14 2011 1:34PM
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Blurst
Posts: 13577 - Karma: 10,169
well that was an easy problem to solve
Sep 14 2011 1:35PM
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grnwd
Posts: 421 - Karma: 90
i hate how everyone on newschoolers is a fucking asshole. i obviously searched into the subject, i am now seeking more specifics on it as to what materials to use. I am looking for further insight or examples of success/failure.
Sep 14 2011 1:43PM
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a_pla5tic_bag
Posts: 9213 - Karma: 5,381
well all you need is a hole and a trampoline. I guess you might want something to maybe support the structure of the hole. some plywood would probably work.
Sep 14 2011 1:46PM
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grnwd
Posts: 421 - Karma: 90
it would have to be pressure treated wood which can get pricy so i am looking into mostly metals. i guess no one has done this or has useful advice.

Sep 14 2011 1:49PM
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KrazyistKarl
Posts: 1725 - Karma: 599
if its somewhat temporary (1-3 years) it wouldn't have to be pressure treated wood. main problem is drainage, you're going to want a a few feet of sand as a base
Sep 14 2011 2:08PM
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SkiThe603
Posts: 5376 - Karma: 498
hahaah that was a good run there
Sep 14 2011 2:09PM
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soulskier
Posts: 17806 - Karma: 3,841
a whole what?
Sep 14 2011 2:09PM
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egg.
Posts: 3231 - Karma: 3,477
my neighbors have one. so fun but make sure you put pads around the corners where the tramp and because landing through that shit blows
Sep 14 2011 2:11PM
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Blurst
Posts: 13577 - Karma: 10,169
a whole hole obviously
Sep 14 2011 2:11PM
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45.
Posts: 3164 - Karma: 170
You need a way to drain the rain water than will inevitably get in the hole. Unless you want to jump above a mosquito infested disease pool.

As for the supports. I would personally line the thing with retaining wall blocks if this is going to be a long term structure. If not... just use some treated plywood and cross braces.
Sep 14 2011 3:16PM
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.Hugo.
Posts: 17360 - Karma: 28,478
The brick idea is really good for the sides to help support it and keep it in place unless the hole is the perfect size for the tramp
Sep 14 2011 3:23PM
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TechnoPotamus
Posts: 11626 - Karma: 3,522
BRILLIANT!

Click for larger image
Sep 14 2011 3:25PM
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Rumi.
Posts: 1231 - Karma: 556
your way overthinking it. my friend did it.

all you do is dig a (w)hole the the proper depth
you can support the sides with wood if you really need it
then buy some bags of stones at your local hardware store
fill pit with stones
drop in tramp
proceed to bounce
Sep 14 2011 5:49PM
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Flozz
Posts: 144 - Karma: 13
Just dig a big ass hole and put the tramp in it. We put bricks under the legs so it doesn't sink in. I guess it depends on your yard but we haven't had any problems with drainage or the walls crumpling. I do feel it doesn't bounce quite as high though (especially with pads over the springs) as the air can't flow freely out under it. It's hard to say for sure though as each tramp has a different bounce anyway.
Sep 14 2011 6:01PM
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AWALLRUS.
Posts: 5762 - Karma: 223
Click for larger image
Sep 14 2011 6:01PM
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Obi-Wan-Jenobi
Posts: 951 - Karma: 119
well the ass holes are right this time, dig. put. bounce.
Sep 14 2011 6:04PM
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PJS.
Posts: 11943 - Karma: 894
if you dont want advice here, leave
Sep 14 2011 6:05PM
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J.M
Posts: 2854 - Karma: 254
duh
Sep 14 2011 6:05PM
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grnwd
Posts: 421 - Karma: 90
i wasnt getting any advice.. but thanks guys i think im gonna put 2x4s under the legs with gravel/sand at the bottom and ply wood or pallets to hold the walls up. and i'm gonna have a 3" or so gap between the ground and the top of the tramp to help with the air flow. hopefully it'll be done by next week
Sep 14 2011 9:06PM
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