Riveting

Why are solid rivets used extensively in sheet metal aircraft?

Long lasting

How long will a properly riveted sheet metal joint last?

The life of the aircraft

How is a rivet custom sized to its hole during installation?

1. The tail grows in diameter and clinches down over the precise thickness of the material.

2. The shank swells in diameter, and conforms to the precise dimensions of the hole.

Improperly installed, solid rivets tend to

loosen and “smoke” in just a short period of time.

A smoking rivet is a corrosive deterioration of a riveted lap joint that is

independent of rivet strength

The Solid Rivet has the _____ amount of material required to make a separate fastener.

minimum, causing it to be light weight

470 represents

universal head rivet

universal head rivets are used on

lower speed aircraft, and on most internal parts on high speed aircraft

426 represents

flush head rivet (100 degrees)

flush head rivets are used for

streamlined surfaces and other special purposes.

The first number of the rivet code is

diameter in 1/32in increments

silver Cleco

#3

copper Cleco

#4

black Cleco

#5

brass cleco

#6

In some cases, after a flush rivet is installed, the head is milled flat with the skin via a

microshaver

squeezing rivets is a

Manual or power method of rivet installation

the final number in the rivet code is the

length in 1/16in increments

it is easier to buck the rivet if you

stay on the shorter side of the acceptable limit

Before bucking, the tail should extend ___ to ____ D past material

1.33 to 1.5D

After bucking, the tail diameter should be ___ to ___ D

1.25 min , 1.5 preferred, 1.66D max

After bucking, the tail length should be _______ to ____ D

.66 min, .5 preferred, .33D max