Manual

9
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Copyright GEARS Educational Systems 2005
The Sling and Projectile Assembly
The Cotter pin passes through the hole in
the ball and the ends are bent back and
flush to the surface.
Open the snap swivel hook and pass
it through the eye of the cotter pin.
Attach the snap swivel to the sling
using a fisherman’s knot.
(Shown above)
Fashion an eye on the end of the sling
using a surgeons loop
. (shown below)
Surgeon’s Loop
1. Make a large loop at the end of the line.
2. Tie a single knot using the loop end.
3. Repeat the single knot one or two
more times.
4. Pull tight.
5. Trim the line end close to the knotted
loop.
Fisherman’s Knot
1. Pass the working end of the line through
the swivel eye.
2. Wrap the working end around the
standing end 3 or 4 times.
3. Pass the working end through the first
loop and back under the bight.
4. Pull tight and trim.
Working End
Standing End
Bight