Reviews are based on older versions. The Turnigy engine had very bad first batches. Biggest problem was the magnets coming loose.

We're now about 2 revisions further and Turnigy has cleaned up their act.

Again, I have seen this engine perform in real life, and it out-performs the hacker. Also it stays a lot cooler. I'm considering replacing my Hacker with it...

(and as for Hacker Quality.. see this, this was my engine

http://www.youtube.com/watch?v=onzZA...layer_embedded

I had to glue the thing together to get the 'looseness' out..