Thread: Discussion HK Radjet 420
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Old Nov 12, 2012, 03:32 PM
andy.b55 is offline
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Originally Posted by everydayflyer View Post
SOP is to place the battery where it needs to be so the CG is correct. If you had the aircraft I could tell you and you would understandt but. LiPoly goes in vertical (laying on narrow edge ,not flat) and about half and half in the vertical slot near rear of cavity area.

Balance point is in the area of the launch grip area. Specified CG is way to far back. This thing needs very little elevator. On my DX7 Elevator is set at 15% and it is still way more than needed.

The battery goes right where you say and mine flies perfectly with no issues at all. Low rates at 50% and 50% expo and its perfect.
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