Thanks, Petr! Truss built ribs are pretty cool in appearance! The 'Hershey Bar' section ribs weigh 7 grams each. A similarly sized 1/8" medium density balsa rib without any cut outs or aluminum tube end weighs 6 grams. The truss ribs are stronger (or at least as strong?) in vertical loading but the balsa rib is stronger in lateral loading. Since the wing gets compression struts with drag and anti-drag bracing the ribs won't carry much in the way of loads so I'm happy with the weight of the truss ribs.
Elevator and aileron construction begins! The 'Charlotte II' had some kind of as yet to be discovered coupled drive mechanism for the control surfaces. One was driven by a regular pull-pull cable(?) but the other was driven by an internal gear drive with bevel gears(?) at the control surface hinge line. Vince Cockett and I discussed possibilities via e-mail. The easiest route is good ol' 'artistic license' again! I'm gonna make each one operate via pull-pull cables. The horns were drawn, cables' angles determined, et al. They were cut from micarta and finished sanded in preparation for painting. Music wire was heated cherry red, their ends hammered flat, hinge pin holes drilled then they got a general filing and clean up in preparation for the painting and install. The hinge pin will allow the control surfaces to be removable. The LE of the control surfaces will be built up in layers to allow placement of aluminum tube bushings to guide the hinge pin. I'll start cutting wood for the control surfaces tonight.
Elevator and aileron construction begins! The 'Charlotte II' had some kind of as yet to be discovered coupled drive mechanism for the control surfaces. One was driven by a regular pull-pull cable(?) but the other was driven by an internal gear drive with bevel gears(?) at the control surface hinge line. Vince Cockett and I discussed possibilities via e-mail. The easiest route is good ol' 'artistic license' again! I'm gonna make each one operate via pull-pull cables. The horns were drawn, cables' angles determined, et al. They were cut from micarta and finished sanded in preparation for painting. Music wire was heated cherry red, their ends hammered flat, hinge pin holes drilled then they got a general filing and clean up in preparation for the painting and install. The hinge pin will allow the control surfaces to be removable. The LE of the control surfaces will be built up in layers to allow placement of aluminum tube bushings to guide the hinge pin. I'll start cutting wood for the control surfaces tonight.
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