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I wanted these to replace a couple of GWS SF props, which are prone to breaking easily near the hub.. Like a previous reviewer I found them to be slightly off ballance, but my holes were centred ok..
I ballanced by adding some hot melt glue at the light tip then run them up on my test meter..
They do not compare to the slow fly GWS props as they take more power to spin them up.
GWS 7A+ these 8.5A+.. but when I compared them to the GWS speed/direct props they were almost the same as a 9x5gws..these being 9x4.7
They are a more solid construction than the gws SF props, more like the direct/speed type
I didnt measure thrust at all...
So rather than use these as a slowfly prop I would say use them as a direct/speed type replacement....
good price however.... dave
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