Doesn't look overly complicated at all. No failure points there, I'm sure. :-/,(reply>), Gabzo Avro there are NO cables but things can still go wrong,(reply>), or a rope breaks and the whole thing falls down. Seriously? there can always be something going wrong. As long as it is well regulated it can be a good thing. No one said we'll see it in our buildings tmw,(reply>), MrFrostburner <br>Until a false signal comes in saying that a rail is aligned when it isn't, due to malfunction. Then, the fast moving car de-rails itself, flies up, then promptly plummets the passengers to fiery doom. Possibly on the way, it takes out other cars as well.,(reply>), Fracture failure point that are capable of being completely bypassed until repairs.