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Build Companion: Freewing Mig-21 80mm
Copyright 2016 by Brad Miser
Page 89
the chance of this happening and limits the size of objects that can get sucked in. You
want to use a small enough mesh to prevent rocks large enough to cause damage from
entering the cheater hole but not so small that airflow is inhibited. If you use a mesh with
a fairly large opening you might want to use two pieces and overlap them slightly to
reduce the size of the openings.
35.
Test fit the mesh over the louver. Trim as needed so the mesh covers the openings while
leaving enough space so you can tape the edges of the mesh to the plastic louver without
taping on the paint. If you tape on the painted foam surface and later have to remove the
mesh, it will also remove the paint from the foam.
36.
When the size of the mesh is correct, tape it in place. Try to keep the tape on the plastic
louver as much as possible instead of putting tape on the foam.
