Originally Posted by Mr Cox

That depends on the MAS model, the older ones have a beefier blade than the newer ones. The zinger ones are even worse though, which could explain the lower numbers in the review.

I wouldn't focus too much on the detailed numbers from one end of the world to the other. They both seem to make about the same power as the old and trusted Veco .19 RC on that prop, so certainly good enough in order to fly something.