The shortest loop and other records

StEeL PhAnToM, not only are there other coasters with higher and larger loops, but other floorless coasters with a higher and larger vertical loop than Medusa, one for example is Superman:Ride of Steel.

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Lake Compounce-So Fresh and So Clean Clean

The things they say on the Discovery channel shows are not always accurate or more correctly stated, they are not always up to date. A lot of these "biggest, tallest" records are being set or at least challenged every couple of years.

I would agree that the smallest loop has to be the one on the float that has been mentioned already. It was tiny. The Blue Flash coaster in southern Indiana does indeed have a loop-screw. For what that's worth.

The Pinfari loopers like Looping Thunder at Oak's Park have the smallest loops that I've ever seen. But there's also that looping mouse that's in another current post, that thing looks rather tight.

Looping Thunder (Pinfari at Oaks Park) has a very small loop. The lift hill is around 35ft tall, and the loop had to be smaller then 20ft.

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84 coasters and counting

python in ocean city, nj has a really small loop and id say batman knight flight has the largest loop

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Coaster count:32
top3:Boulder Dash, Steel Force,Wildcat(Hershey)