Ive tried Graupner 9x5 & Dji 10x38s on my 450 with 3s. Both very stable, if anything the Djis seem a little more forgiving, not quite as sharp. The djis have short round section in their centre before the flats. Cut a 2mm slice of 8mm od, 5mm id nylon pipe to adapt for a 5mm motor shaft.
Im struggling to upload pictures to Opple, any ideas why?
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