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If this helps you with your calculations at all, I bought a small and the distance from the top of the seat tube to the top bottle cage boss is 180 mm. Assuming that the bottle cage bosses are in the same position relative to the bottom bracket between sizes, that would make the equivalent distance on a large (assuming this is what you bought) 230 mm.
For what it's worth, with my saddle rails to bottom bracket measurement (660 mm) on a size small Neutrino (360 mm seat tube), I should be able to get 180 mm of drop with a OneUp V2 (which has the most drop per length of any dropper I've been able to find; most others would give me 150 mm), resulting in 120 mm of post above the seat tube when dropped. I think that's not bad. I'm just trying to decide if I should go with a dropper or a flexible carbon post instead.
@Belagerent
What height would the Neutrino be with the seat dropped right down?
Currently trying to figure if one of these would fit in the car/coach for the commute.