The Best of Instructables Volume I

Drainage Luge

Turn a cement drainage ditch into a downhill racecourse By Phillip and Mars Shoemaker

Have you ever seen those cement drainage pipes running down hillsides? They’re meant to let water flow without eroding the landscape. With their flowing, organic lines, we decided to turn them into a new kind of ride with the Drainage Luge!

1. Get the parts: Use the drainage pipe width to determine how big your 3/4” plywood needs to be. And you’ll need four skateboard trucks with bolts big enough to go through your wood (Figure A). Also rope to make hand-holds.

2. Affix reinforcements: Determine where the trucks go, length-wise, on your board. Cut truck reinforcement strips from 3/4” ply and glue and clamp these to the luge (Figure B). Let dry. ...