Building a seesaw with sliding seats
Instructions - the stand
Step 1. Attach base pieces [b] to upright pieces [a]
Pieces [b], 2x6 (150mm x 50mm): Cut 2 pieces @ 25" (635mm) long.
Pieces [a], 2x6 (150mm x 50mm): Cut 2 pieces @ 24" (610mm)long. Round the top cnrs.
Attach base pieces [b] to the upright pieces [a] with glue and screws. Pre drill the screw holes.
Refer to the pictures above and the dimension plans below.
Note: Ensure the gap between the two uprights [a] is wide enough to take the beam [d], a couple of washers, and still have a little bit of play. If the beam is 3-12" (90mm) wide, and the gap is 4" (100mm), that will be fine.