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Top Flite TOPA0290 User Manual

Page 24

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FINISH FITTING

THE LANDING GEAR

Even though retractab

le landing g

ear are sho

wn

in the photos,

this section applies both to fix

e

d

and retractab

le landing g

ear

.

1.
Cut the

landing g

ear rail shear webs

from the

remainder of the 1/16" x 3" x 30" [1.6 x 75 x 760mm]

balsa sheet used f

or the shear w

ebs f

or the center

panel.

Glue the shear w

ebs into position.

2.
Deter

mine ho

w close y

ou can position a piece

of lefto

v

er 1/8" [3.2mm] balsa across the r

ails to the

retr

act unit while still allo

wing the unit to be remo

v

ed

from the wing.

This piece of balsa will suppor

t the

sheeting.

Glue the suppor

t into position.

3.
Build a

bo
x
around the retr

act mount with

lefto

v

er balsa str

ips
.

Sand the edges of the bo

x e
v

en

with the contour of the r

ibs
.

A

fter the bottom of the

wing has been sheeted and the opening has been

cut f

or the retr

act, the opening will be nice and neat

and the sheeting will be suppor

ted.

4.
Optional:

F

or a dur

ab
le

, finished appear

ance

,

the top sheeting inside the wing o

v

er the wheel

openings can be coated with lightw

eight (3/4 oz.)

fiberglass cloth and resin.

When sanded and painted,

this will mak

e the inside of the wheel w

ells fuel and

w

eather proof and look g

reat.

First, cut f

our str

ips of

cloth (tw

o f
or each wing) to fit betw

een the r

ibs
, then

la

y into place

.

Use a soft br

ush to coat the cloth with

finishing resin or 30-min

ute epo

xy

.

Bef

ore it thic

k

ens

,

use a b

usiness card to lightly squeegee e

xcess resin

from the cloth.

This will remo

v

e

wr
inkles and b

u

b

b

les

making the cloth la

y flat.

After the epo

xy has fully

hardened, lightly sand with 400-g

rit sandpaper

.

N

o

w

the wheel w

ells ma

y be painted.

An airbr

ush will

pro

vide the most e

v

en co

v

e

rage and allo

w y

ou to get

paint into all of the little cor

ners without o

v

er spr

a

ying

the rest.

See page 61 on ho

w to spr

a

y

LustreK

ote

®

through an airbr

ush.

Note:

Should y

ou decide to add

the cloth later

, be cer

tain to do so

BEFORE

co
v

e

ring

the model.

Otherwise

, epo

xy and paint will soak into

the sheeting and sho

w through the co

v

e

ring.

If y
ou will be

“glassing”

and painting the inside of

the wheel w

ells

, get the other wing panel to this

same stage of completion.

That w

a

y both wheel

w

ells can be treated at the same time

.

- 24

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