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5)Weight balance
Weighing operation must be done with 3 similar weighing machines on an horizontal
surface.
F R O N T W H E E L
R I G H T R E A R W H E E L
L E F T R E A R W H E E L
The result must be located between 9 and 19
6) Lubrication:
The ideal lubricant is a silicone spray (if unavailable, you can use a WD-40 equivalent, but it is not so
clean); apply to all points likely to create unwanted friction: control tube washers and pivots, elevator and rud-
der hinges, aileron and pedal bearings, all pivot bolts of sticks and parallelogram, as well as the fork main axle
during assembly.
In short, to obtain smooth, precise controls, you need: barely taut cables, barely tight bolts, and regular
lubrication.
7) Preflight checks:
When you are all done, sit in the cockpit, and make sure the control-to-control surfaces system works per-
fectly, and gives the right responses; this is nothing but vital common sense: it is no fun to find out during your
first fly-around that the rudder cables have not been crossed. Some pilots never get over the surprise.
So it's imperative to make all the following controls:
- Stick back
=> elevator up
- Stick forward
=> elevator down
- Stick left
=> left aileron up and right aileron down
- Stick right
=> right aileron up and left aileron down
- Push right foot
=> rudder right
- Push left foot
=> rudder left
Notice: during the first 10 minutes of engine run-in, some unburnt oil can be blown out by the exhaust muffler.
To avoid the stain of the wing fabric, it is recommended to cover parts of the aircraft risking to be touched.
HAPPY FLYING ...
Only use sweet soap and fresh water to clean the fabric.
R A N D K A R s . a . A S S E M B L Y M A N U A L X A I R 2 0 0 6 , J u n e , 0 4
W E I G H T
A
B
C
CG=146xA/A+B+C
M A N U E L D E M O N T A G E X A I R 0 4 J u i n 2 0 0 6
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