Fun-Key MD500E 700 rc scale helicopter first flight
Weight 5.9 kg, head speed 1300, 4100 packs, Egodrift 4030HT-400, YGE Aureus 105, Helitec 640. Seven minute flight.
There is a slight tail wag and tail authority is weak. Back to the workbench I will install a cf tail control rod.
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