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3.
februar 2002
Hi
Erik,
My name is Steve Boag and I live in Tasmania (Australia). My
friend Bruce and I have been working on producing a moulded F3J glider
for about 2 years now. The model is 3.5 m span uses a SD 7003
section and total flying weight is approximately 2.3 - 2.4 kg. It
performs quite well. The layup is 2 component polyurethane car
paint (very good quality - hard but flexible), 49g glass, 93g
carbon D-box diagonally, 1mm balsa, 49g glass. All components
are moulded separately (we won't do that again!!) - ailerons, flaps,
rudders/elevators, v-tail, 3-piece wing, fuselage, inner nose cone,
outer nose cone. The fuselage is entirely of carbon (very strong).
The carbon/end grain balsa/carbon spar is made separately and inserted
before the moulds are joined (won't do that again either!). The
moulds were not CNC machined but produced from hand made plugs (won't do
that again!) as we did not have access to a CNC machine at the time.
I have just finished the second model from the moulds (after 6 months)
and it will be ready to fly within the next week. |
