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side up; the slit edge is at the front and on the bottom. The easiest way to install the Mylar is to push it
into the pocket using a long lofting batten attached to the end of the Mylar insert, which is first inserted in
the pocket.
You will have to stop from time to time to make sure the Mylar is properly lying flat in the pocket. Do not
push the Mylar too far into the pocket. Make sure there are no folds in the Mylar, especially at the tips.
Make sure the Mylar wraps in the proper direction to follow the sail around the leading edge as it enters
the pocket.
15.8 Position the sail on the floor with the keel pocket down and the wings folded over so that the leading
edges lie along the length of the root line, with the Mylar pockets lying on top.
15.9 The frame is most easily inserted into the sail with the rear leading edges installed. Rotate the
washout struts forward, towards the nose (fig. 70).
15.11 When the frame is fully inserted, slide the tip part of the sail on both rear leading edges forward,
towards the nose as far as necessary to extract washout struts out through the washout holes in the sail.
15.12 Attach the rear sail mount strap to the keel tube. Attach the bottom rear wires to the keel tube.
15.13 Install the kingpost. Make sure the kingpost is located between the sweep wires.
15.14 Remove the clevis pin from the top of the kingpost and attach the top rear wire to the kingpost.
Install the clevis pin back on the kingpost.
15.15 Feed the webbing handle with the top rear wire through of the kingpost sail opening on top of the
sail. Slide the crossbar central joint along the keel tube backwards from the nose plate.
15.16 Attach the handle of the sweep wires to the rubber cord using the carabiner. Check that the routing
of the sweep wires is right.
15.17 Attach washout bridles to the sail.
15.18 Insert the crossbar end into the leading edge / crossbar opening. Bolt the crossbar to the leading
edge tube and splint the joint.
15.19 Feed the upper side wires through the corresponding holes in the sail. Bolt upper and lower wires
to the crossbar, making sure that no wires are wrapped around a crossbar or leading edge and that no
thimbles are cocked or twisted. Note that the upper side wire is attached to the upper side of the crossbar
and the lower side wire is attached to the lower facing side of the crossbar.
15.20 Insert the upper front wire into the sail and attach it to the nose plate. Secure it with a safety ring.
15.21 Install the nose batten.
15.22 Reach into the sail from the sail tip, find the sail mount strap and stretch it towards the aft end of
the leading edge, using the handle on the mount strap. Position the sail mount strap to the end cap slot of
15.10 Position the frame with the control frame
facing down and with the rear end of the leading
edges at the nose of the sail (fig. 70). Slide
leading edges into the sail through the nose
opening, making sure that the leading edges of
the frame pass properly into the leading edge
pockets of the sail and don't get caught at the rear
of the bottom surface near the root. As you feed
the frame slowly into the sail, check periodically to
see that none of the hardware is snagging on the
sail. Make sure the keel tube stays outside the
double surface. At certain stage don't forget to
insert the keel tube into the keel pocket.
Figure 70
27
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