Assembled parts.
Cavities are filled with block balsa and then sanded to the
contours established by the core parts.
After final assembly the model weighed
only 13.7 ounces less the battery, but was also tail heavy. 1 3/4
ounces of weight was added below
the engine on a tray, also restained
with a screw. It is still 1 ounce shy of the 16.9 ounces needed to
reach 8 ounces per square foot.
The prop is an APC 8-6 electric which works well and is not stressed overly due to
the low rpm. This particular .049 will run 5 1/2 minutes with this
prop.
Servos are mounted as far forward as
possible and the AAA Eneloop battery fits right behind
the firewall. A Lemon 6 channel receiver is used. 60 pound
test Kevlar thread is used for the pull
pull control system. The
Kevlar thread is tied off with five or six half hitch knots and then a
drop of thin
CA is applied, quickly touched by the
edge of a paper towel to wick off the extra CA so it remains only on the
knot and does not travel
down the thread.
It is easy to keep the large initial loop by passing a
dowel through the first loop of the knot and then withdrawing it before
glue is applied.
Another view of the nose details.