Great Planes Syncro EDF - GPMA1581 - Manual (Page 10)

10
Mark the C.G. (Balance Point)
GLIDER WING:
2-3/4" [70mm]
2-1/4" [57mm]
2-3/4" [70mm]
2-1/4" [57mm]
2-1/2" [64mm] 2-1/2" [64mm]
Balance Lines
4" [102mm] 4" [102mm]
❏
1. Use a fi ne-point felt-tip pen to mark the balance lines
on the bottom of the wing 4" [102mm] out from them middle
of the wing and 2-1/2" [64mm] back from the leading edge
where shown. Mark two more lines 1/4" [6.4mm] ahead and
1/4" [6.4mm] behind the lines you marked.
❏
2. Apply narrow strips of tape approximately 1/16"
[1.5mm] wide over the lines so you will be able to feel them
with your fi ngers when balancing the plane later. If you don’t
have any narrow tape you could simply cut whatever tape
you do have into strips.
SPORT WING:
4" [102mm] 4" [102mm]
2-3/4" [70mm] 2-3/4" [70mm]
Balance Lines
3-1/8" [79mm]
2-3/8" [60mm]
3-1/8" [79mm]
2-3/8" [60mm]
❏
1. Use a fi ne-point felt-tip pen to mark the balance lines
on the bottom of the wing 4" [102mm] out from them middle
of the wing and 2-3/4" [70mm] back from the leading edge
where shown. Mark two more lines 3/8" [10mm] ahead and
3/8" [10mm] behind the lines you marked.
❏
2. Apply narrow strips of tape approximately 1/16"
[1.5mm] wide over the lines so you will be able to feel them
with your fi ngers when balancing the plane later. If you don’t
have any narrow tape you could simply cut whatever tape
you do have into strips.