54
TAURUS ELECTRO
www.pipistrel.si
REV. 3
Weight and balance
Introduction
This section contains the payload range within which the aircraft may be safely operated.
Weighing procedure and procedure for calculating the in-flight c.g. are also provided.
Refer to equipment list for the installed equipment and accessories.
Weighing and c.g. calculation - empty mass
1. Completely assemble the aircraft, in closed space without any wind disturbance, and with:
- gear down
- motor, flaps and airbrakes retracted,
- control surfaces neutral,
- equipment and accessories in accordance with equipment list.
2. Remove all foreign objects, e.g. tools, maps, ...
3. Empty the water ballast tank, remove baggage.
4. Insert scales under main wheels and a scale with support under tail wheel in order to level
the airplane as follows:
- the slope of upper and lower contour of fuselage tailcone in front of fin must be equal, check
with water scale,
- wings level.
5. Read scale readings, subtract eventual tare weight in order to get net weight.
NOTE:
IF ACCURATE HIGH RANGE SCALES FOR MAIN WHEELS ARE NOT AVAILABLE, AIR-
CRAFT EMPTY MASS MAY BE DETERMINED BY ADDING UP MASSES OF ALL COMPONENTS:
LEFT-HAND WING, RIGHT-HAND WING, FUSELAGE, HORIZONTAL TAIL.
6. Measure distances »a« and »b« between verticals through axis of main wheels, tail wheel
and datum.
Use plumb line to mark verticals at the floor.
For main wheels and wing leading edges take average of Left-hand and Right-hand verticals.
NOTE:
DISTANCES »A« AND »B« MAY CHANGE WITH AIRCRAFT WEIGHT DUE TO DEFLEC-
TION OF LANDING GEAR - THEY MUST BE MEASURED AT EACH WEIGHING.
7. Calculate c.g. of empty mass as follows:
X
CG.empty
= (G
2
.b) / G
empty
- a
G
empty
[kg] Empty mass (with equipment and accessories in accordance with equipment
list, but without occupant(s), baggage and water ballast).
G
2
[kg] Load on tailwheel.
X
CG.empty
[mm] Location of empty mass c.g., positive aft of datum.
a
[mm] Distance between main wheel axis and datum, positive for main wheel forward
of datum.
b
[mm] Distance between main and tail wheel axis, always positive.
Datum
Leading edge of wing root section..
Summary of Contents for ELECTRO G2
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