I made a seesaw/rocker from a profile pipe and two VAZ springs. It turned out cool, and most importantly, very sturdy.
For the base, I bent a 20x40 profile pipe into a circle. The crosspiece is made from a 40x40 profile. Any springs will do. The hardest part is welding them on so the seat is parallel.
The seat is made from a 20x20 profile pipe and a piece of laminate. The handles are made from 32mm twisted pipe. ----------------------------------------------
00:00 - Overview of the workpiece
01:11 - Workpiece dimensions
01:47 - How to weld VAZ springs evenly
02:22 - Base
04:40 - Test 1
04:50 - Footrests
05:47 - Test 2
06:50 - Overview of the finished product
07:04 - Making anchors on a rebar bender
07:43 - Test 3
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