Kirk Hall showed his very scale 1/3rd scale L4
scratch-built by Ontario’s Norm Murphy from Bob Nelitz
plans. 50 cc engine. Kirk says the plane is “kinda boring at
times.” Plug-in wings are attached per f./s . Scale functioning
door. Fuselage stringers are 12 dowels. Stab incidence is
adjustable with a jackscrew like f/s. Wing panels weight
only 4 lbs each.
displayed his beautifully detailed Don Smith B-17 that
has 140 flights so far. Four OS 91 four-strokes. Phil
Schwartz and Tim Johnson repaired it after a severe crash
about 3 years ago. No sign of damage remains.
Cal also showed the fuselage
view of an even larger B-17 he has under construction.
1/6th scale. Will have four G-62s with belt drives and
Maynard showed us how to replicate fiberglass parts from
vacuum-formed ABS. The results are much stronger and just
demonstrated Snap Stand by Redplane Models. The
stand is very strong and light and folds and adjusts
to a variety of model types. It's a new product from
Bisson Mufflers $140.
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Dave Andersen described
his method of making rib stitching. First, the surface to
be rib-stitched is covered with silkspan, Koverall, Coverite
or other fabric. Brush on one coat of clear butyrate dope.
A glue pen is made by pinching one end of an aluminum tube
with a pliers, leaving just a slit opening. The tube is
dipped into a bottle of white glue that has been diluted
about 10% with water and is about one inch deep. Placing a
finger over the upper end of the tube, withdraw the tube and
wipe clean with a paper towel. Remove your finger and
capillary action will hold the glue in the tube. With a
ruler placed alongside a rib, the end of the tube is touched
to each rib stitch position.
a quarter-scale model, rib stitches are typically spaced
about ¼ inch apart. Merely touch the glue pen to the
surface and remove. One load will make 6-10 stitches,
leaving behind a string-shaped bead of wet glue. It will
look too big at first, but will shrink as it dries. Next,
pinked rib tape is applied over the dried stitches. 3M
Hairset Tape is just right for 1/4th to 1/3rd scale.
Drugstore paper tape bandages can also be used for other
scales. Seal the tape with another coat of dope over the
entire surface. It will soak thru the tape and bond it to
the dope surface below. It will also raise fuzz. Sand it
off with #400 sandpaper and apply more dope. Repeat until