Quote:
Not true.
First of all, not all motors are tested using the same standards. The Feigao motors are given their Kv rating "unloaded" whereas the NUE, Lehner, and others are given their Kv rating "loaded".
A dyno could be configured to provide useful "torque under load" info and "current draw under load".
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Correct, but you can calculate that info loaded and unloaded. You dont need a dyno for that. They will vary from real results slightly due to impurity in materials and build technique. They are close enough that some manufactures use these specs. These companies know these #s way before the motor is even built.
I didnt say it was easy, but its useless info IMO. Its like testing a full scale engine on a dyno with freezing air in the dyno room...makes great #s, but isnt real world.