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<DIV>I have quite a bit of experience with Synergy's predecessor, Alliance.
These designs were very similar. In Alliance, the cg was moved aft about 20mm
from that shown on the sketch ZN-Line provided. HOWEVER, note that the Alliance
was a full pattern sized model and more tolerant of such cg adjustments.</DIV>
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<DIV>On your smaller cousin, tread lightly on how much you move the cg. I
wouldn't go much more than 10mm (around 7/16"). IF the 4
ozs weight is in the nose, don't remove the whole 4 ozs immediately.
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<DIV>Fly the model and feel how it behaves in the 45 degree up line immediately
after a half roll to inverted. It shouldn't need hardly any touch of down to
maintain the line angle. If it needs alot of down stick, you are still too
nose heavy. </DIV>
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<DIV>I assume that the model is light, preferably lighter than the min spec'd.
If heavier than max weight spec'd, things get a bit more dicey. Contact me off
line if more is needed, but that should get you somewhere close. And remember
that too nose heavy is about as bad as tail heavy... </DIV>
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<DIV>MattK</DIV>
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<DIV>In a message dated 1/24/2006 6:22:16 PM Eastern Standard Time,
wdmarko@yahoo.com writes:</DIV>
<BLOCKQUOTE
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size=2>HI...........I just completed building a 50 size<BR>SYNERGY kit from
MK. I have a YS 63 in it and have<BR>put the battery right up to the
back of the firewall. <BR>It takes 4 oz to ballance. Does anyone have
some<BR>experience with this airplane in terms of performance<BR>related to
the CG balance point? I'm new to pattern<BR>planes, but my experience
with sport planes is that I<BR>make them more tail heavy than the plans
call for to<BR>get the flying characterists that I want. I'm
hoping<BR>the same will be true with the SYNERGY so I don't have<BR>to add so
much weight.<BR><BR>..................Bill
:)</FONT></BLOCKQUOTE></DIV>
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