I have no knowledge of what I'm doing so if you think I'm using maths that are to much that's probably true.
The end result is what matters for me. Good looking and good structure that will hold for anything kids can think of.
The slide is part of a indoor play ground, my kids call it "Tower" so when its all done we will probably name it that.
The cost for my slide was around 30 USD
And I'm sorry for some pictures that are unfocused. They looked fine in cam but on computer I now see they are not.
Step 1: Maths
2 x wood studs by desired length. Mine is 44x195x2000 (millimetres)
2 x timber battens 22x25x2000 (millimetres)
10 x plank on my size they are 22x70x583 (millimetres)
1 x Oil Cured board 583x2400 (millimetres)
Screws of different sorts
Drill and drilling machine or what you fancy
Something to measure with
And any necessary tool to use to get the job done.
Back support for the slide.