Modified Lap Joint
NOTE: Parts shown for example purposes only. Emphasis is on joint design and proper plug weld
placement.
The repair joint is a combination lap-joint (1) and butt-
joints (2) – the panels are lapped in the flat areas
and butted in contoured locations and at weld flanges.
The graphic better illustrates this process.
Modified Lap Joint
1 - LAP-JOINT WELDS
2 - BUTT-JOINT WELDS
RU 31 - Collision Information 31 - 29
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