Great Planes Giant Aeromaster Kit - GPMA0502 - Manual (Page 5)

In our busy workshop we use the Great Planes
Easy-Touch Bar Sanders equipped with Great Planes
#80, #150 and #220-grit Easy-Touch Adhesive-Backed
Sandpaper Great Planes Easy-Touch Bar Sanders are
made from lightweight, rigid, extruded aluminum and can
be found at most hobby shops They are available in five
sizes - 5-1/2" (GPMR6169), 11" (GPMR6170) for most
general purpose sanding, 22" ( G P M R 6 1 7 2 ) , 33"
(GPMR6174) and 44" (GPMR6176) for long surfaces such
as wing leading edges. The Easy-Touch Adhesive-Backed
Sandpaper comes in 2" x 12' rolls of 80-grit (GPMR6180),
150-grit (GPMR6183) and 220-grit (GPMR6185) and an
assortment to 5-1/2" long strips (GPMR6189) for the short
bar sander. The adhesive-backed sandpaper is easy to
apply and remove from your sanding bar when it's time
for replacement.
This setup is all that is required for almost any sanding
task. Custom sanding blocks can be made from balsa or
hardwood blocks and sticks for sanding difficult to reach
spots. We also keep some #320-grit wet-or-dry sandpaper
for finish sanding just before covering.
There are two types of screws used in this kit
Sheet metal screws are designated by a number and
a length.
For example #6 x 3/4"
Machine screws are designated by a number, threads per
inch and a length.
For example 4-40 x 3/4"
When you see the term "test fit" in the instructions, it
means you should first position the part on the assembly
without using any glue, then slightly modify the part as
necessary for the best fit.
Whenever Just "epoxy" is specified you may use either
30-minute epoxy or 6-minute epoxy When 30-minute
epoxy is specified it is highly recommended that you use
only 30-minute (or slower) epoxy because you will need
either the working time and/or the additional strength.
Several times during construction we refer to the "top" or
'bottom" of the model or a part of the model For example,
during wing construction we tell you to "glue the top main
spar" or "trim the bottom of the former ' It is understood that
the "top" or "bottom" of the model is as it would be when the
airplane is right side up and will be refered to as the "top"
even if the model is being worked on upside down. i e the
"top" main spar is always the "top" main spar, even when
the wing is being built upside down.
1/64"
1/32"
1/16"
3/32"
1/8"
5/32"
3/16"
1/4"
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.4mm
.8 mm
1.6 mm
2.4mm
3.2 mm
4.0 mm
4.8 mm
6.4mm
3/8"
1/2"
5/8"
3/4"
1"
2"
3"
6"
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9.5 mm
12.7 mm
15.9 mm
19.0 mm
25.4 mm
50.8 mm
76.2 mm
152.4 mm
12"
18"
21"
24"
30"
36"
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304.8 mm
457.2 mm
533.4 mm
609.6 mm
762.0 mm
914.4 mm
5