Whats the highest reduction you can make

Discussion started by nottryingenough

This person said he made a 528:1
On a double stage compound gear

https://youtu.be/-VtbSvVxaFA

At 3:40

He says

The bottom has 132 teeth
Sun 12
Upper 135
Ring has 2 sets of 60

Whats the highest reduction you can make with a two stage compound gear

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