You know what they say, the simplest things are sometimes the hardest. Well in this case its the simple task he forgot to do, by not applying the handbrake. Granted the car is on its side, and it may not have been safe to attempt, but when your on sloped surface, physics and a car with no brakes will only reliably do one thing. See for your self.
At the end of Part 3 of this project, we had dropped off our Rapier to the workshop in Hawera and then removed the...