Why is the London Eye not a Ferris wheel?

Related questions

1. Do you have to buy London Eye tickets in advance?
2. Do you have to book London Eye?
3. What is the London Eye used for?
4. Does London Eye close in bad weather?
5. What is the best time to go to the London Eye?
6. Is the London Eye worth it?
7. Can you buy London Eye Fast Track tickets on the day?
8. Why is Coke in London Eye?
9. Can you buy London Eye tickets on the day?
10. Do you have to book for London Eye?

Tags

1. #wheel
2. #london
3. #cantilevered
4. #sides
5. #ferris
6. #giant
7. #frame
8. #carriages
9. #supported
10. #unlike
11. #observation