Chapter 4 - Horizontal empennage
4.1 - Assembly preparation
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4.1
Assembly preparation
Using the templates provided in the drawings ( TR4-H2 ) make the ½ inch plywood
jig components. Prepare a table or flat surface for mounting with a length of at least 120
inches long. Locate the center and draw perpendicular lines forward at point BL-0 and
BL-57 left and right. Align the rib template with the corresponding lines marked on the
table. Center the rib template cutouts on the appropriate lines and join the templates to
the table with epoxy 5 minutes. Cut a piece of 1x2 straight wood (or equivalent material)
with a length of 116 inches and ensure that the trailing edge of the rib template template
is aligned to be flush with the contour surface.
Optionally, it is possible to make the
template with supports at the front
and in the center as shown in the
figure above. Making all the part
referring to the elevator to be
supported.
Note – You will build the horizontal empennage from the bottom up on this
template.
Place the bottom liner on the template, carefully centered with the leading edge
positioned by the ribs in the template. the trailing edge of horizontal empennage must
extend beyond the back of the template.