Originally Posted by joed
One thing I noticed about my Redmax 8500 is that the tubes are quite soft. The tubes on my Echo 770 are more rigid. I don't know if that effects the air coming out of the pipe but I don't find the Redmax to be much more powerful, in real world applications, than the Echo.
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I ran my Husqvarna 580 (sister of the 8500) next to a 770 and the difference was apparent when doing things like blowing leaves into the brush and woods surrounding the property, but I agree that for most real world applications there isn't much difference...the Echo blows pretty damn hard.