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Page 3
CG.
A
C
Mainwing
CGSetting introductions
.:
B
CGArea.
Green area C
After lots of testing concluded CGmust be in the Green Area
Point BFor safety purpose recommend Maiden flight use Point B
Point Aif plane assemble correctlywe found that A is the best
Different people measuring differently by fingers
Moving CGbackward a little3mmif plane pitch down tendency
Moving CGforward a little3mmif plane pitch up tendency
if still not good after CGAdjustmentmust checking horizontal wing
and mainwing especial after crash happened
:
:,
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.()
.,
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Finwinghobby com.
Page 4
SpecialRecommendations
We have solved potentional problemby new desgin
s
and improving Mould making but what ever in case
we still introduce this for your reference
In case noseheavy:
plane still nose heavy diving a lot even if CGis at Point B
Solutions:
Elevator up approximately 15MM travel as following picture
.
CGis still between A and B
What caused
Horizontal wing should be exactly horizontal but fuselage tail section
has to be molded by two halftransportation may caused horizontal
?
.
,
.
wing to be deformed or not drying properly after gluing etc
All of these may caused horizontal wing picth up
a picth up horizontal wing definitely forced the plane nose down diving
But But if installing properly and horizontal wing not deformed
this wont happened
At last Reminder
must let fuselage drying at least 12 hours after gluing together
to avoid that problem
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Finwinghobby com.
Page 5
AirframeBuilding
Pleae do to building as per instructions
as below step by step
1
Glueverticalwing
Install properlyanddrying
2
NoteDon't install wings and other devices until drying
GlueFuselage
:
at least 12 hours
Finwinghobby com.
Page 6
Nondetachablefuselgepleaseskiptonextpage-
DetachableFuselage
Fuselage
Fuselagetailboom-
Nut
Finwinghobby com.
Page 7
AirframeBuilding
Plywood
3
plywood reinforcements
Detachablefuselgemustinstallrods
Standard NonDetachable fuselge no need
to install rodsplease skip to next page