Originally Posted by v8truckin
25c x 5ah = 125a max, as you fly a lil longer 25c x 4ah = 100a, 25c x 3ah = 75a ... see where this is headed? As your flight time goes up you mah go down, thus your motor demand from your batteries remains, but your batteries cannot deliver that.
Now this I was unaware of. I had thought that the discharge ratings were based on the max capacity of the pack, not on the actual charge in the pack as it depletes.
I'm going to research that some, it sounds reasonably plausible to me. Are you sure you aren't being mislead as the voltage steadily decreases throughout the discharge and then steeply drops when it nears full depletion?