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Not sure if this is the right place for this... But I'm wondering how I can make 'good' jumps. I've made a few using a 1 tonne digger.
Tabletop another tabletop

I had the tabletop with the pallet a gap at first but I made it a tabletop for more fun. They're okay to jump, but the problem is the landing is really soft and I've watered it, compacted it, done everything I can think of any it's still loose dirt?? So my question is how can I make reliable jumps?

  • What is wrong with a soft landing? Would you rather land on cement? – paparazzo Mar 12 '15 at 21:45
  • @Blam the problem with a soft landing is that it's so soft that you sink in when you land... – Mitch Mar 12 '15 at 21:46
  • Just let it weather and it will firm up. – paparazzo Mar 12 '15 at 21:54
  • @Blam I've done that for the last few weeks, it's rained recently and they've dried up and just gone soft again? should I wet it, compress it then let it dry? – Mitch Mar 12 '15 at 21:57
  • Look for someone that does soil work in you area. Soil differs a lot. Who did did you get the digger from? They should know a bit about soil in your area. You can add lime to firm it up. – paparazzo Mar 12 '15 at 22:04
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You could probably rent a Wacker ( yes, that is the real name ) at a local construction equipment rental store. It is a tool that ground construction workers use. It is basically a really heavy steel plate that an engine sits on. The engine vibrates the whole machine and the weight and the vibration compact the ground very tightly.

You'd have to work in layers. Don't expect to compact the whole mound all at once. That is not the way it works.

The giant rollers on freeway construction sites do the same thing.

  • yeah I might do that.. I have fairly easy access to a roller but I think it would be too big. I'll look into a wacker :) – Mitch Mar 15 '15 at 21:25
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If your landing is soft you should put some old carpet over it. This solution is not as good as having a completely packed landing and it's still soft (therefore more rolling resistance), but you can carry a lot more speed once you have landed. An added bonus of using carpet is that the soft landing will not be damaged as much by you landing on it.

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