Scott. . .LSF 023 here. It is characteristic for a ship to be sluggish
when balanced too far forward. Another indication of a too far forward
balance point is that it quickly pulls out on it own from an induced
dive. If you want to have a routine to follow in trimming out a ship,
get into File 8 at http://genie.rchomepage.com/. Although the ship goes
level in a hand glide with the elevator in its neutral position, the
wing may be sitting on the ship at too much positive angle making the
angular difference between the stab and the wing too much. This is done
by designers of entry level aircraft to pull out from a dive and
possibly escape damage. One thing you might do is shim up the rear of
the wing to reduce the angle it now sits at. To then get level flight
will require that you remove some of the extra lead up front. In turn,
the self-recovery rate from an induced dive will be reduced. The ship
will become more responsive to control input. when balanced further
back. Just change one thing at a time and observe the effect. It takes a
while to get a ship sorted out to your liking, since what is "right" can
be rather subjective.
scott harter wrote:
Has anyone flowen the Gp spirit 100 arf? Have you changed the cg
location from its original location to a diffrent one? If you have
where did you move it too? I noticed my spirit has a lot of nose
wieght and is sluggish in response to rudder and elevator inputs. Any
help in correcting this would be very helpfull. Right now I have my
square battery pack in the nose. Two full size servos in the forward
servo locations. And the reciever is up against the forward fuselage
former in the tow hook area. So I have moved everything forward as far
as I could. Then I mixed the shot in the bag with clay and packed that
into the nose. The plane balances just forward of the recommended 4
1/2 inches from the front leading edge. Why did i use clay to hold the
shot? This way I could remove the wieght later on if i need to
correct the cg location. Then I could make it more perminent later.
The plane has been high start launched only it flies level with
nuetral elevator input. But again it is very sluggish on response to
rudder and elevator movements. thanks for your help Scott Harter
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