TM 1-1500-204-23-11
Figure 7-9. Core Replacement Methods
(1) Replacement Core Fit Considerations. O-
the opposite skin inner surface and the replacement
ne of the most dificult aspects of replacing core
core mating surface. The gap conditions shown in
sections is obtaining a good it between the replace-
igure 7-10 are for a taper in one direction only.
ment core, the opposite skin inner surface and the
Unfortunately, blade fairings and light control surfaces
part core sidewalls. Figure 7-10 shows a typical blade
taper in both the chordwise and spanwise directions
fairing or light control surface trailing edge. Observe
compounding the gap problem. Similar gap problems
the gaps that exist between the replacement core and
are encountered when performing core replacement
the part core sidewalls if the cell axes are not aligned.
on complex contoured parts.
When the cell axes are aligned, a gap exists between