Being cost efficient means more than just the initial outlay though, and for that reason, woodies really shouldn't be included. Yes, you can get a decent GG for a few million, but how much will you spend over the years on it compared to a steel coaster?
As for Piraten, how much does it cost to maintain a cable lift over a traditional chain? Genuine question since I don't actually know, but I'd be willing to bet that a cable system costs more than a chain and has to be replaced more often.
If I was going to guess, I'd say that well-established clones would be the most cost-effective, stuff like Vekoma Boomerangs and SLCs. The iniitial outlay isn't much, they're pretty hardy pieces of machinary and replacement parts will be easy to come by and inexpensive.
As for Piraten, how much does it cost to maintain a cable lift over a traditional chain? Genuine question since I don't actually know, but I'd be willing to bet that a cable system costs more than a chain and has to be replaced more often.
If I was going to guess, I'd say that well-established clones would be the most cost-effective, stuff like Vekoma Boomerangs and SLCs. The iniitial outlay isn't much, they're pretty hardy pieces of machinary and replacement parts will be easy to come by and inexpensive.