GREAT PLANES Viper 500 RTC Ergänzung zur Betriebsanleitung - Seite 2
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Fiberglass the Forward Fuselage
Cut the edges
Mark the center line
like this.
of the cloth. You will
center this on the firewall.
FIREWALL & FUSE SIDES PIECE (OUTER)
3-1/2" [89mm]
Fwd
FUSE BOTTOM PIECE
(OUTER)
❏
1. Cut out the following pieces for the fuselage from 3/4oz
[21g] fi berglass cloth:
A. One 3-1/2" x 20" [89 x 508mm] strip and trim the sides
as shown
B. One 3-1/2" x 9" [89 x 229mm] rectangular piece (for
the fwd fuse bottom)
C. One 6-1/2" x 8" [165 x 203mm] rectangular piece (for
the fuel tank compartment sides and bottom)
D. One 2" x 2" [51 x 51mm] square (for the back side of
the fi rewall)
❏
2. Lightly sand the forward part of the fuselage where you
will apply the fi berglass. Round the edges of the fuse sides
slightly. Use compressed air or a tack cloth to clean any dust
from the fuse before you begin glassing.
❏
3. Apply masking tape to the fuselage sides and bottom
about 1" [25.4mm] back from where you will be applying
fi berglass. See the sketches for more details.
17" [432mm]
Up
20" [508mm]
6-1/2" [165mm]
2" [51mm]
Fwd
FIREWALL PIECE
(FUEL TANK
COMPARTMENT,
INSIDE)
FUEL TANK
COMPARTMENT
PIECE
3-1/2"
[89mm]
❏
4. Fill the threads of the blind nuts with petroleum jelly
using a toothpick.
APPLY THE 9" [229mm]
BOTTOM PIECE FIRST
❏
5. Mix up about 3/4oz [22cc] of fi nishing resin. Brush on
a thin coat of resin to the bottom of the forward fuse. Apply
the 3-1/2" x 9" [89 x 229mm] rectangular piece of fi berglass
to the bottom of the forward fuse. Align the forward edge of
the glass with the edge of the fi rewall. Stipple the glass cloth
down to the fuse. Squeegee any excess resin out of the glass
so that the surface is smooth. Allow the resin to cure. Sand
the fi berglass smooth feathering the glass into the balsa.
CENTER THE GLASS
ON THE FIREWALL.
❏
6. Mix up another batch of fi nishing resin and brush a
thin coat onto the fi rewall and forward fuse sides. Center
the 3-1/2" x 20" [89 x 508mm] piece of glass cloth on the
fi rewall and wrap it around to cover the fuse sides. Stipple
and squeegee the glass cloth smooth. Allow the resin to cure
and sand the fi berglass smooth.
❏
7. Fiberglass the inside of the fuel tank compartment using
the 6-1/2" x 8" [165 x 203mm] rectangular piece for the fuse
bottom and sides, and the 2" x 2" [51 x 51mm] square piece
for the back side of the fi rewall. Allow the resin to cure. Use
your hobby knife to open up the front and back sides of the
blind nuts on the fi rewall. Clean out any remaining petroleum
jelly from the threads of the nuts.
MASKING TAPE HERE
FIREWALL/FUSE SIDES PIECE WILL
WRAP AROUND THE FIREWALL LIKE THIS.