This is a new ride that is being constructed. It is called "Flying Turns".
You can see more about it at Knoebels - What's New.
It is a roller coaster, but it doesn't use track. The cars ride within wooden chutes. Pretty cool.

Flying Turns movie clip (2011).
This is a large file. It may take a while to download.
(Quicktime is required)

 
The Flyer movie clip.
(Quicktime is required)

 
Roto-Jets movie clip.
(Quicktime is required)

The Looper movie clip.
(Quicktime is required)

Paratroopers

Paratroopers movie clip.
(Quicktime is required)

Christmas Cottage.