FIGURE 4-14-Rivet hole spacing and edge distance for single-lap sheet splices.

SMALL

HEAD

L=20 SPACES 3 d EACH

-TOTAL NO. OF RIVETS 18 (9 EACH SIDE OF SPLICE)

NOTE: USE SAME MATERIAL AS ORIGINAL FOR SLEEVE AND REPLACEMENT TUBE.

FIGURE 4-16-Typical repair method for tubular members of aluminum alloy.

NOTE: USUALLY FOUND ON SMALL OR MEDIUM SIZE AIRCRAFT (SEE FIG. 4-18)

FIGURE 4-17-Typical repair for buckled or cracked formed metal wing rib capstrips.

FIGURE 4-18-Typical metal rib repairs (usually found on small and medium-size aircraft).