Page 10 - Sept 2018
P. 10
often use their planes to hunt and fish in the
In particular, these airfoils eliminate the
notorious and abrupt ‘moose stall’ occurring in
low-flying steep turns.”
Bearhawk Aircraft manufactures high quality
quick-build kits for the Bearhawk 4-Place, Filling Seams and Sanding Model Aircraft
tandem two-place Bearhawk Patrol and
Removing the seams and joint lines is necessary when
Bearhawk LSA. Remaining part of the Bearhawk
building model airplanes. Many assemblies often result in
Canada team, and supporting Mike Silvernagle,
will be Steve Busby of Aerolite, unnatural gaps or cracks in the fitting. Among the most
common problem areas are the wing roots and the mating
www.aeroliteflight.ca, in Ontario.
lines between both sides of the fuselage. To produce an
For more information on Bearhawk Canada, visit authentic looking aircraft model, I recommend the
www.bearhawkcanada.ca, or contact Mike following technique.
Silvernagle at mike@bearhawkcanada.ca or 306-
To begin, you will need various grades of sandpaper,
740-8803.
including 600ALO, 400ALO, 320SIL and 150SIL. Other
For more information on Bearhawk Aircraft, visit necessary tools include; a sharp hobby knife, a paintbrush
www.bearhawkaircraft.com, or contact and a container with a small amount of water. We will also
Bearhawk at info@bearhawkaircraft.com or 1- cover the use of model putty and Tenax-7R, a fast-dry
877-528-4776. formula used for welding plastic scale model parts.
I should remind the reader that when building model
airplanes using hazardous materials, it is very important to
have plenty of ventilation around the working space. You
should also pay close attention to all the warnings that
come with each chemical, usually found on the product
container.
This technique will be illustrated using the fuselage parts of
We have laid the fuselage flat in its cradle and the aircraft model. You can begin by welding the left and
lowered the wing on top. In the coming weeks right sides using Tenax-7R. With medium pressure, hold
we will use this arrangement to work on the fuel both sides of the fuselage together and simply touch the
system and electrical wiring. entire seam using a paintbrush. Once you have completed
the application, gradually increase your hold pressure over
the next 10 seconds until you have a firm bond. Tenax-7R
will actually fuse the plastic scale model by slightly melting
the parts together. Allow about 5 minutes for the weld to
dry and lightly scrape off any excess chemical using a
hobby knife.
