TM 55-1945-205-24-2
0285 00 2
0285 00
a.
Cut out damaged area with a power jig using a fine tooth, metal blade.
b.
Using a grinder or suitable disc sander, grind and sand the cutout edges to a minimum 20º included angle.
c.
Bevel outside and inside back a distance equal to 12 times the laminate thickness for a feathered edge centered
in the middle of laminate.
WARNING
2.
Prepare repair patch for application.
NOTE
The thickness of the repair patch and components to be used depends of the portion of the
hull being repaired.
The following steps are typical for the application of a fiberglass patch.
Table 1. Lay-Out Details.
AREA
NOTES
LAY-OUT
HULL
1
Gelcoat
1 oz. Mat
1 Unit
Coremat
1 Unit
1. BEFORE
3. PREPARATION COMPLETE
EDGES CUT
BACKING PLATE
SEPARATING FILM
2. DAMAGED MATERIAL CUT AWAY
4. CORE REPLACED
STRUCTURAL CORE
GLASS LAMINATE
SYNTACTIC FOAM
TEMPORARY
BLOCKS
REPLACEMENT
CORE
5. ONE SIDE - REPAIR COMPLETE
REPLACEMENT GLASS
6. COMPLETED REPAIR
EDGES BEVELLED
(12 TIMES GLASS
LAMINATE THICKNESS)
