At the last meeting ...
Andersen mumbled something about his techniques for
glassing, wet sanding, rib stitching, masking with 3M
Fineline tape, using
a hole punch to make masking tape for window corners,
priming with a mini roller and prep for panel lines and
other surface details, illustrated with the fuselage of his
quarter-scale Mitsubishi Babs.
Derek Micko discussed
how he designed two electric scale airplanes using
His 30” all wood built-up Rata is being sold
as a kit by
Manzano Laser Works, you can also download his excellent
construction manual. His 60” fun-scale Hurricane is also
being developed as a kit. Open framework and retracts is
still less than 4 lbs. Derek showed a laptop video of his
electric Hurricane in Arizona skies.
Click here ... to see build thread at RCGroups.
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Chris O’Connor showed his framed-up Mark Frankel ¼
scale T-34 Mentor from
Model Specialties. This 100” wingspan
bird uses a Zenoah GT-80 engine. Custom retracts from Robart
have scale struts. Foam wing were beautifully sheeted by
Chris. The Fowler-Flap mechanism is also by Robart. Glass
fuselage is plain so Chris must do the panel lines and
rivets. Nav lights and rotating beacon
will be functional. Cockpit kit by
Balsa. Frank Markel is very helpful, Chris reports. He
“answers every question", feel free to email or call.
displayed his almost completed quarter-scale Lavochkin La 7
built from David Andersen plans, Eric Malkerson retracts,
cowl and canopy from
& Accessories. Order of the Red Banner custom dry
transfer graphics by Pro Mark. Saito 4.5 four-stroke
3-cylinder glow engine will use
Sonic Tronics electronic glow driver that time-division
multiplexes current to the cylinders, thus allowing for
unequal electrical resistances. 50 oz. glow fuel tank—will
that be enough? Center section of wing is permanently
attached but a large, scale hatch underneath allows access
to radio stuff inside. Oil cooler is removable (and
breakaway in the event of a wheels-up landing), allowing
access to rudder and elevator servos. Completion is
expected in time for
Joe Grice showed the beginning of a 1/(4.5) scale Messerschmidt ME 262C1 Heimatschutzer (Homeland Defender) of
which only 4 were built. The C1 version was designed for
interception so a rocket motor was installed in the tail to
boost climb rate. Joe will install one turbine engine in
the fuselage and duct its exhaust out the rocket motor
space. Air inlets will be in the
wings. This leaves the
engine pods empty but more scale because Joe added scale
inlets and exits. A single turbine is more reliable than two
turbines because “turbines are more reliable in medium to
large sizes.” The aircraft kit is from
Jets in Germany and has 103” wingspan, which will be imported by
Aeroscale. It's an all-glass kit
includes surface detail molded in.
Wabo tricycle gear
from Germany has
has oil dampening which Joe demonstrated. When compressed,
it returns slowly for less bounce.
|Joe also demonstrated a scratch-built MK 82 hi-drag bomb
as designed and built by Joe with the help of a partner.
Fabrication included injection molding.
|Scott Russell designed and scratch-built a small electric
X-29 canard, starting with three-views and a plastic model.
It is a prototype for a much larger version that will have a
fuselage length of 110 inches, powered by a turbine.
Meanwhile, the smaller version provided Scott with
parameters such as CG, control surface throws and insight
into its flying properties. For example, Scott discovered
that the X-29 model can fly at 60-degree attitude.
Scott also demonstrated a flexible LED strip, connected
to the throttle, for lighting up the tailcone of a jet to
emulate the glare of an afterburner. The LED light strips,
Hansen Hobbies, cost $20 including a lithium battery.
“Too much time, too much effort, but it sure is neat”
Roy Carrigan presented his Yellow P-47 purchased at
RCUniverse. Color scheme had cream and blue invasion
stripes (what was the builder thinking!), so he repainted
the entire airplane. He upgraded to Eric Malkerson wheels,
Aerotech dummy radial engine and cockpit.
In order to not
cut away the dummy radial engine, Roy machined a new
stainless steel hub for the G62 engine. This left the dummy
engine totally scale. Very clever!