Eagle ICA-D212-725, Instructions Manual

Page: 63 / 729

ICA-D212-725 (08)
Page 8 of 15
CHAPTER 08 – WEIGHT AND BALANCE (08-00-00)

COPYRIGHT

2007 BY DART AEROSPACE LTD.

THIS DOCUMENT IS PRIVATE AND CONFIDENTIAL AND IS SUPPLIED ON THE EXPRESS CONDITION THAT IT IS NOT TO BE USED FOR ANY PURPOSE OR COPIED OR COMMUNICATED TO ANY OTHER
PERSON WITHOUT WRITTEN PERMISSION FROM DART AEROSPACE LTD.
Revision:
0
Date: 07.05.31
8.6
NOSE BALLAST INSTALLATION AND
REMOVAL
8.6.1
Determine amount of ballast to be
added or removed and moment arm. Refer to
Figure 8-3 for nose ballast station and butt line
(B.L.) moment arms. Add or remove nose ballast
weight as symmetrically as possible.
8.6.2
If ballast weight must be added, refer to
Figure 8-3 to determine allowable number of
ballast plates in each location. Inspect nose
compartment to determine where additional ballast
plates may be added.
8.6.3
If ballast weight must be removed,
inspect nose compartment to determine locations
where ballast weight plates may be removed.
8.7 TAIL SKID BALLAST INSTALLATION
AND REMOVAL
8.7.1
Installation of equipment at forward
stations and nose of helicopter may require
addition of ballast (2 and 3, Figure 8-4) and/or
inside tail skid (5) to aft section of tailboom (6).
8.7.2
After installation of equipment, a weight
and balance check shall be accomplished. Ballast
required to correctly locate center of gravity should
be installed on or in tail skid (5).
8.7.3
Ballast may be added to a maximum of
50 lbs (22.68 kg) on and in tail skid. Ballast
weights should be installed in a combination to
provide amount required by weight and balance
check.
NOTE
Ballast weights (2 and 3) shall be installed in
combination with washers (1) and clamps (4) on
tail skid (Figure 8-4).
8.7.4
Ballast, when required, should be
installed on that portion of tail skid located inside
tailboom (Figure 8-4) or inside tail skid.
NOTE
When ballast is installed inside tail skid, tail skid
shall be filled completely full, approximately 15 lbs
(6.8 kg).
8.7.5
Install ballast inside tail skid as follows:
8.7.5.1 Remove weight and record tail skid
weight.
8.7.5.2
Remove phenolic plug from forward end
of tail skid.
8.7.5.3
Completely fill tail skid with lead shot.
8.7.5.4 Install phenolic plug in forward end of
tail skid and reweigh tail skid. Determine amount
of ballast added (subtract tail skid empty weight
from filled tail skid weight). Stencil forward end of
tail skid, and inboard side of each tail skid access
panel with actual weight of ballast added.
8.7.5.5
Install tail skid.
8.7.5.6
Add additional ballast, as required, not
to exceed 50 pounds (22.68 kg) total ballast.