There is a perfectly fine working Magic Carpet ride at Thorpe Park their could have.
Other than the two middle rows cannot be filled...
Personally I want to see a thrill ride installation of a Gerstlauer Sky Fly (Red Arrows at Pleasure Beach Blackpool) or Sky Roller for the reasons below.
It would be a much needed adult ride to the park, and depending on the height restriction would be a perfect 'step up' ride.
Due to its adult nature, throughout would likely not be an issue as the demographic that co ex to chessington is heavily based towards those who may not be tall enough to ride.
Not sure about the size so I have no comments here. However by using the Sky Roller variation the ride wouldn't require much space at all. Also the Sky Roller has 16 seats as opposed to 12.
Also if it's near Peeking Heights, this means that this attrsctuom may possibly be able to get to St least 80 feet, and as the Sky Fly is 72 feet.
And it would just be a very nice installation! I'm sure the park may get something else for the family in the years after and their lack of 'adukt' rides is really starting to dawn on this park, especially as Rameses Revenge isn't looking too good nower days!