lark by charles mackey  · classic legal precision stunter Ł wingspan 52fl Ł length 39.5fl Ł...

17
Classic Legal Precision Stunter Wingspan 52 Length 39.5 Wing Area 570sq Motor 35-46 LARK By Charles Mackey www.rsmdistribution.com Photo _ Bob Hunt RSM DISTRIBUTION presents

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Page 1: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

� C

lass

ic L

egal

Pre

cisi

on S

tun

ter

Win

gsp

an

52�

Len

gth

39

.5�

Win

g A

rea

570s

q�

Mot

or

35-4

6

LA

RK

B

y C

har

les

Mac

key

ww

w.r

smdi

stri

bu

tion

.com

Phot

o _

Bob

Hun

t

RS

M D

IST

RIB

UT

ION

pre

sen

ts

Page 2: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

2

Pag

e 2

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

Than

k yo

u fo

r p

urch

asin

g th

e R

SM L

ark

kit.

We

are

very

g

rate

ful f

or y

our

bus

ines

s an

d

trus

t you

will

find

this

kit

to b

e of

the

hig

hest

qua

lity.

Th

e ai

m o

f thi

s b

uild

ing

art

icle

is

to g

uid

e yo

u th

roug

h th

e

cons

truc

tion

of t

he L

AR

K k

it.

We

do

und

erst

and

that

man

y of

you

are

exp

erie

nced

bui

ld-

ers

and

that

you

may

hav

e d

if-fe

ring

tech

niq

ues

to b

uild

ing

an

d in

thes

e in

stan

ces,

ple

ase

feel

fre

e to

do

so.

Bef

ore

you

star

t:

It is

rec

omm

end

ed th

at b

efor

e yo

u st

art y

ou s

houl

d p

rep

are

a fla

t, s

tab

le w

ork

surf

ace

to

bui

ld o

ver.

The

bes

t sur

face

is

pla

te g

lass

as

it is

true

and

flat

. A

lter

nativ

ely

a p

iece

of d

ry-

wal

l or

sim

ilar

will

wor

k w

ell.

The

wor

k su

rfac

e sh

ould

be

a

min

imum

of 4

ft x

3ft t

o al

low

th

e w

ing

to b

e b

uilt

in o

ne

pie

ce.

Rea

d th

e p

lans

and

bui

ld a

rti-

cle

care

fully

. We

reco

mm

end

re

adin

g th

e b

uild

art

icle

thor

-ou

ghl

y an

d r

efer

ring

to th

e p

lans

as

you

do.

A n

ote

on L

aser

Cu

ttin

g:

Lase

r cu

ttin

g is

the

late

st a

nd

mos

t acc

urat

e w

ay o

f cut

ting

ki

ts.

The

pre

cisi

on o

f the

la-

sers

mea

ns th

at p

arts

are

cut

to

exac

ting

dim

ensi

ons

and

will

ha

ve n

ext t

o p

erfe

ct fi

ts w

hen

asse

mb

led

.

You

will

not

e th

at th

roug

hout

th

e b

uild

art

icle

, we

will

ref

er

to �

cutt

ing

tag

s� o

ff sh

eet w

ood

p

arts

. The

se ta

gs

are

left

on b

y th

e cu

tter

to s

top

the

par

ts fa

l-lin

g lo

ose

from

the

shee

ts.

You

may

als

o no

tice

that

in

som

e in

stan

ces,

the

lase

r ha

s no

t cut

com

ple

tely

thro

ugh

the

bal

sa o

r p

lyw

ood

par

ts a

nd

you

may

nee

d to

do

som

e ad

-d

itio

nal c

utti

ng. T

his

is d

ue to

th

e la

ser

heat

, mat

eria

l thi

ck-

ness

and

den

sity

. Fi

nally

, che

ck th

e la

ser

cut

edg

es, i

f the

y ar

e ch

arre

d/

bla

cken

ed, y

ou w

ill n

eed

to

light

ly s

and

thes

e p

iece

s fo

r g

lues

to w

ork

corr

ectl

y. W

hils

t al

l car

e is

take

n in

the

cutt

ing

of

thes

e ki

ts, t

here

may

be

in-

stan

ces

whe

re th

e ab

ove

oc-

curs

.

Phon

e: (

951)

678

-140

6 E

-mai

l: rs

m1r

ule@

rsm

dis

trib

utio

n.co

m

2189

9 H

elio

trop

e Ln

.

W

ild

omar

, C

A 9

2595

4

RS

M

Dis

trib

uti

on

Page 3: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

32

Pag

e 32

Rem

ove

the

whe

elp

ant

par

ts fr

om th

e sh

eets

.

Glu

e to

get

her

and

let d

ry

O

nce

dry

, car

ve a

nd s

and

to

sha

pe.

Whe

n as

sem

blin

g th

e m

ajor

p

iece

s, e

nsur

e th

at th

e m

ain

win

gs

are

leve

l

Ens

ure

that

the

mai

n w

ing

an

d s

tab

and

leve

l

Mak

e su

re th

e fin

is v

erti

cal

Pag

e 3

Kit

Con

ten

ts -

Par

ts l

ist

Item

Q

uan

tity

Full

Size

Pla

n 1

M

ediu

m S

ilksp

an

2

Plas

tic

Can

opy

Piec

e 1

Lase

r C

ut R

ib S

heet

s 4

Lase

r C

ut S

tab

ilize

r Sh

eets

2

Lase

r C

ut F

lap

She

ets

2

Lase

r cu

t 3/8

th B

alsa

Par

ts S

heet

1

Lase

r C

ut E

leva

tor

Shee

ts

2 La

ser

Cut

1/1

6th

Plyw

ood

She

et

1 La

ser

Cut

Fus

elag

e Fr

ont S

heet

s 2

Lase

r C

ut F

usel

age

Rea

r Sh

eets

2

Lase

r C

ut W

ing

Tip

She

et

1 La

ser

Cut

Whe

el P

ants

Sid

es S

heet

1

Lase

r C

ut W

heel

Pan

t Cen

ters

2

Lase

r C

ut 1

/8th

Ply

woo

d P

arts

1

1/8t

h H

ard

woo

d D

owel

1

1/4

x 1/

4 x

36 B

alsa

10

1/

8 x

3/8

x 36

Bal

sa

2 1/

16 x

3 x

36

Bals

a 5

1/2

x 3

x 36

Bal

sa

1 1/

16 x

2 x

36

Bals

a 3

3/32

x 2

x 2

4 Ba

lsa

2 3/

4 x

3 x

2 N

ose

Bloc

k 1

Fin/

Rud

der

1

Land

ing

Gea

r Bl

ock

Pack

age

1 13

� A

rrow

Sha

ft Pu

shro

d

1 1/

32 x

2 x

6 P

lyw

ood

Mou

nt C

aps

2 1/

8 x

3 x

9 Ba

lsa

1 1/

4 x

1 x

3 Ba

lsa

1 1/

2 x

1 x

7 1/

2 M

aple

Mot

or M

ount

s 2

3/8

x 1/

2 x

4 M

otor

Mou

nt B

race

1

1/16

x 1

/4 x

36

Bals

a 14

1/

8 x

3/4

x 36

Bal

sa

1 H

ard

war

e Pa

ckag

e

1

Page 4: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

4

Sele

ct th

e ri

b s

heet

s an

d c

ut

tag

s on

rib

she

ets

to r

elea

se

rib

s R

0� R

13

Stac

k ri

bs

to e

nsur

e yo

u ha

ve tw

o ev

en p

iles

of r

ibs

R0�

R13

.

Lig

htly

san

d r

ibs

if re

qui

red

to

rem

ove

lase

r b

urns

(if

pre

sent

)

Lay

the

1/4

x 1/

4 Sp

ars

over

th

e p

lans

, rai

se th

e tip

s b

y 1/

8th

inch

and

ad

d s

him

s to

ke

ep s

par

s st

raig

ht

Cut

and

join

the

two

spar

s to

get

her

in th

e ce

ntre

Ta

ke R

ib R

13 a

n an

d g

lue

to

low

er s

par

in lo

catio

n on

p

lan.

Mak

e su

re it

is s

qua

re.

Ad

d a

ll th

e ri

bs

to th

e lo

wer

sp

ar, s

e a

squa

re o

r b

uild

-in

g tr

iang

le to

mak

e su

re

the

rib

s ar

e ve

rtic

al/s

trai

ght

Whe

n yo

u ar

e ha

pp

y th

e ri

bs

line

up w

ith th

e \p

lans

&

are

sq

uare

. Glu

e in

to

pla

ce.

Ad

d th

e to

p s

par

s an

d m

ark

whe

re th

ey c

ross

, do

not

but

t the

se to

get

her.

Mar

k a

dia

gon

al a

cros

s th

e sp

ar

Pag

e 4

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

Win

g C

onst

ruct

ion

Not

es

The

inb

oard

win

g is

2�

long

er t

hen

the

outb

oard

win

g. D

ele

te R

13 fr

om th

e ou

tboa

rd w

ing

to

cre

ate

this

diff

eren

ce.

Pag

e 31

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

Pin

the

2 el

evat

or a

ssem

-b

lies

tog

ethe

r an

d s

qua

re

up

Lig

htly

san

d th

e as

sem

blie

s so

they

are

the

exac

t sam

e si

zes.

Glu

e th

e 3/

8 tip

s to

the

elev

ator

s

The

com

ple

ted

ele

vato

r

asse

mb

ly

You

sho

uld

now

hav

e th

e co

mp

lete

sta

bili

ser

and

el

evat

or a

ssem

bly

rea

dy

to

sand

.

To m

ake

the

fin, c

ut th

e 3

lase

r cu

t par

ts fr

om th

e 1/

4 sh

eet

Glu

e al

l ed

ges

and

ass

em-

ble

ove

r p

lans

. Not

e th

at

ther

e is

offs

et s

how

n on

the

rud

der

Onc

e g

lued

, lea

ve to

dry

re

ady

for

sand

ing

.

Page 5: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

30

Pag

e 30

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

The

elev

ator

ass

emb

ly is

m

uch

the

sam

e as

the

stab

i-lis

er. C

ut a

nd g

lue

the

1/4

stic

k to

the

shee

ting

Ass

emb

le th

e �l

ucky

b

oxes

� b

y g

luin

g th

e 3

par

ts o

f eac

h to

get

her.

Mar

k th

e lu

cky

box

to fi

t in

the

elev

ator

ass

emb

ly s

sh

own

on p

lans

Cut

and

then

glu

e th

e lu

cky

box

into

pla

ce

Take

the

1/16

x 1

/4 s

tick

and

mar

k an

d c

ut a

s p

er th

e st

abili

ser

Glu

e in

all

the

cros

s b

race

s as

you

go

Cut

and

inst

all t

he h

ing

e b

race

s. M

ark

the

loca

tions

of

the

hing

es to

the

lead

ing

ed

ges

Glu

e on

the

1/6

top

she

et.

The

asse

mb

ly g

lued

to-

get

her.

Not

e th

e hi

nge

loca

tions

mar

ked

on

the

lead

ing

ed

ge

Cut

the

spar

s to

fit.

Glu

e jo

int.

Lig

htly

pus

h th

e sp

ars

into

th

e ri

bs

and

glu

e Ta

ke th

e 1/

4 x

1/4

lead

ing

ed

ge

and

pin

, the

n g

lue

into

pla

ce

Ag

ain,

mar

k w

here

the

spar

s m

eet,

cut a

nd g

lue

tog

ethe

r

Take

the

3/4

x 1/

16 x

36

TE

shee

t and

join

to m

ake

one

pie

ce f

or th

e tr

ailin

g e

dg

e

Mar

k th

e lo

catio

n of

the

TE

shee

t on

the

rib

s, th

en g

lue

into

pla

ce

Mar

k th

e lo

catio

n of

the

1/8t

h p

ly b

ellc

rank

sup

por

t. N

otch

out

the

rib

s so

it s

its

flush

with

the

top

of t

he r

ibs

Glu

e th

e b

ellc

rank

sup

por

t in

to p

lace

G

lue

and

pin

the

1/16

th

lead

ing

ed

ge

shee

ting

to

the

lead

ing

ed

ge

.

Pag

e 5

Page 6: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

6

Pag

e 6

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

Whe

n d

ry, b

ring

the

shee

t-in

g b

ack

to th

e m

ain

spar

, g

lue

and

pin

in p

lace

.

Onc

e D

ry, r

epea

t the

pro

c-es

s on

the

othe

r si

de.

Glu

e th

e sh

eetin

g to

the

lead

ing

ed

ge

Pin

and

allo

w to

dry

. Ag

ain,

re

pea

t the

ste

p o

f glu

ing

to

the

spar

and

rib

s

In th

e ce

ntre

, ove

rlap

the

shee

ts, m

ark

the

shee

t w

here

to c

ut w

hen

glu

ed.

Mar

k th

e lo

catio

n of

the

spar

at t

he c

entr

e an

d o

n th

e sh

eetin

g a

t the

tip

s.

Lay

a st

raig

ht e

dg

e b

e-tw

een

the

mar

ks. T

rim

the

shee

ting

to s

uit.

Cut

thro

ugh

bot

h LE

she

ets

to c

reat

e a

nice

join

t lin

e

This

is h

ow th

e jo

int s

houl

d

look

G

lue

the

Shee

ting

to th

e ri

b

and

sp

ar

Pag

e 29

Glu

e th

e ce

ntre

sec

tion

into

th

e lo

catio

n m

arke

d o

n th

e b

otto

m s

heet

Mar

k th

e lo

catio

ns o

f the

hi

nges

to th

e tr

ailin

g e

dg

e to

inst

all t

he h

ing

e b

race

s

Cut

and

glu

e in

the

1/4

squa

re h

ing

e b

race

s to

the

loca

tion

mar

ked

Mar

k an

d c

ut th

e 1/

16 x

1/4

st

ick

for

cros

s b

race

s

Glu

e th

e cr

oss

bra

ces

in

pla

ce a

s p

er p

lan

R

epea

t on

the

othe

r si

de

to

form

the

stab

ilise

r

The

asse

mb

ly s

houl

d n

o lo

ok li

ke th

is.

Glu

e th

e 1/

16

shee

t sta

b to

p o

n an

d s

et

asid

e to

dry

Glu

e th

e 3/

8 sh

eet s

tab

tip

s to

bot

h en

ds

of th

e st

abi-

liser

The

com

ple

ted

sta

bili

ser

asse

mb

ly c

an n

ow b

e se

t as

ide

for

sand

ing

.

Page 7: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

28

Pag

e 28

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

Cut

the

tag

s o

f the

lase

r cu

t st

ab a

nd e

leva

tor

par

ts.

Ther

e ar

e 3/

8 an

d 1

/16t

h sh

eets

Her

e ar

e th

e re

qui

red

par

ts

for

asse

mb

ly o

f the

sta

b a

nd

elev

ator

Glu

e th

e 4

pie

ces

of 1

/16t

h sh

eet t

hat m

ake

up th

e m

idd

le o

f the

sta

b to

get

her.

.Con

tinue

to m

ark

the

loca

-tio

ns o

f the

cro

ss b

race

s to

th

e b

otto

m s

heet

Take

a 1

/4sq

sti

ck a

nd m

ark

and

cut

to le

ngth

on

the

trai

ling

ed

ge

of s

tab

Mar

k an

d c

ut 1

/4sq

stic

k to

th

e le

adin

g e

dg

e o

f the

sta

b

also

.

Pin

the

lead

ing

ed

ge

1/4s

q

stoc

k to

the

shee

t and

ove

r-la

y th

e tw

o p

iece

s to

cre

ate

a la

p jo

int

Glu

e al

l 1/4

sq p

iece

s to

the

bot

tom

she

et.

Lay

the

1/16

bal

sa s

tab

b

otto

m s

heet

ove

r th

e p

lans

and

mar

k th

e lo

ca-

tions

of t

he c

entr

e se

ctio

n

STA

B &

ELE

VA

TOR

CO

NST

RU

CTI

ON

Pag

e 7

Pin

and

leav

e to

dry

. Ta

ke s

ome

mor

e 1/

16th

sh

eet f

or th

e ce

ntre

she

et-

ing

. Mar

k an

d c

ut to

leng

th

Join

the

1/16

th s

heet

to

cove

r th

e en

tire

cent

re

sect

ion

Glu

e in

pla

ce. N

ote:

Try

not

to

hav

e sq

uare

ed

ges

on

the

shee

ting

Tak

e th

e 1/

16 x

1/4

cap

st

rip

sto

ck, m

ark

and

cut

to

leng

th.

Rep

eat t

his

step

unt

il yo

u ha

ve a

ll th

e ca

pst

rip

s cu

t. G

lue

in p

lace

TIP

: If y

ou p

ut a

sm

all p

enci

l m

ark

in th

e ri

b lo

cati

on

on

the

shee

ting

it g

ives

a r

efe

renc

e

poi

nt to

mak

e su

re th

e ca

ps

are

ce

ntre

d.

Bellc

rank

: Cut

the

lead

out

wir

e in

hal

f. In

stal

l int

o th

e b

ellc

rank

in y

our

favo

ured

w

ay.

We

like

to u

se th

e co

pp

er

wir

e b

ind

ing

met

hod

, but

cr

imp

s ar

e fin

e

Page 8: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

8

Pag

e 8

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

The

asse

mb

led

bel

lcra

nk

read

y to

inst

all

Cut

the

extr

a m

ater

ial f

rom

th

e ri

bs.

For

this

we

tap

ed a

N

o 11

bla

de

to a

han

dle

to

wor

k at

90

deg

rees

.

Put t

he b

ellc

rank

pos

t in

to

ply

sup

por

t hol

e in

the

bot

tom

of t

he w

ing

.

Inst

all t

he to

p b

ellc

rank

su

pp

ort a

s p

er th

e b

otto

m

one.

Glu

e in

pla

ce.

Inst

all t

he L

E s

heet

ing

the

sam

e w

ay a

s th

e b

otto

m

shee

t.

Rep

eat o

n th

e ot

her

sid

e

Inst

all t

he c

entr

e sh

eetin

g

as p

er th

e b

otto

m. T

his

time

leav

e ac

cess

for

the

pus

h-ro

d e

xit.

Glu

e in

pla

ce

Land

ing

gea

r: A

ssem

ble

the

map

le u

nder

carr

iag

e b

lock

s

Glu

e th

e up

-sta

nd b

lock

an

d le

ave

to d

ry

Pag

e 27

Trim

the

pap

er te

mp

late

to

fit c

orre

ctly

.

Rem

ove

the

tem

pla

te a

nd

lay

over

the

cano

py

mat

e-ri

al. A

mrk

the

out

Lig

htly

sco

re th

e ca

nop

y w

here

sho

wn

on p

lans

to

mak

e fit

.

Glu

e an

d p

in c

anop

y in

p

lace

, le

ave

to d

ry.

Take

the

1/16

th p

iece

of

mus

ic w

ire

and

mar

k th

e b

end

loca

tions

for

the

tail

whe

el

Bend

the

wir

e to

sui

t. La

y ov

er p

lans

to c

heck

the

ben

ds

are

accu

rate

.

Glu

e th

e 2

1/32

ply

tail

whe

el m

ount

s to

get

her

and

m

ark

the

loca

tion

on

the

fuse

lag

e

Put t

he ta

il w

heel

wir

e in

to

pla

ce, W

rap

the

wir

e an

d

ply

mou

nt w

ith c

opp

er

wir

e, th

en e

pox

y

Dri

ll a

hole

in

the

loca

tion

m

arke

d e

arlie

r, in

stal

l the

p

ly m

ount

insi

de

the

fuse

-la

ge

, glu

e in

pla

ce

Page 9: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

26

Pag

e 26

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

Hol

low

out

the

bot

tom

b

lock

to a

pp

rox

1/8t

h th

ick

Glu

e th

e b

otto

m b

lock

in

pla

ce to

the

rear

of t

he

fuse

lag

e.

Tem

por

arily

inst

all t

he ta

nk

you

are

goi

ng to

use

to

chec

k th

e fit

Take

the

1/8:

tank

floo

r an

d

glu

e in

pla

ce

Mar

k th

e lo

catio

n of

the

cool

ing

ven

ts o

n fu

sela

ge.

In

stal

l the

cow

l, an

d u

se a

d

rem

el to

ol o

r si

mila

r to

cut

th

e ho

les.

To fi

t the

win

g, y

ou n

eed

to

rem

ove

the

low

er s

ectio

n of

th

e fu

sela

ge.

Mar

k an

d c

ut a

t the

loca

tion

show

n on

the

pla

n.

Can

opy:

To

mak

e cu

ttin

g

the

cano

py

shee

t the

rig

ht

size

, use

a p

aper

tem

pla

te

to g

et th

e co

rrec

t sha

pe

Pag

e 9

Dri

ll a

1/8�

hol

e th

oug

h th

e b

lock

s to

take

the

gea

r w

ire

The

com

ple

ted

land

ing

g

ear

blo

cks

shou

ld lo

ok

like

this

Mar

k th

e lo

catio

n on

the

land

ing

gea

r on

the

LE

shee

ting

as

show

n on

pla

ns.

(Thi

s is

from

R4-

R7)

Cut

the

shee

ting

and

trim

th

e ri

bs

to fi

t the

blo

cks.

G

lue

the

blo

cks

in w

ith 3

0 m

inut

e ep

oxy.

Tap

e th

e b

lock

s in

pla

ce

until

dry

Th

e La

ndin

g g

ear

blo

cks

inst

alle

d. Y

ou c

an a

dd

p

lyw

ood

bra

cing

if y

ou

wan

t to

bee

f up

this

are

a.

Take

the

trai

ling

ed

ge

stic

k w

ood

and

join

to m

ake

one

leng

th

Glu

e th

e tr

ailin

g

Tap

e or

pin

the

trai

ling

ed

ge

in p

lace

, lea

ve to

dry

.

Page 10: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

10

Pag

e 10

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

Win

gti

ps:

Rem

ove

all

the

lase

r cu

t par

ts fr

om

the

shee

ts

Glu

e on

e tip

blo

ck to

the

top

of t

he ti

p s

heet

, do

this

on

bot

h tip

she

ets.

The

win

gtip

com

pon

ents

. Se

lect

one

of t

he ti

ps

as th

e ou

tboa

rd o

ne. W

e w

ill w

ork

on th

is n

ow.

Glu

e an

othe

r tip

blo

ck to

th

e lo

wer

sur

face

of e

ach

tip s

heet

.

The

asse

mb

ly s

houl

d lo

ok

like

this

Ta

ke th

e tip

pie

ce a

nd g

lue

in p

lace

. Rep

eat o

n th

e lo

wer

sid

e

Wei

gh

t box

: R

emov

e th

e la

ser

cut p

ly p

arts

from

the

shee

t.

Glu

e th

e p

arts

tog

ethe

r.

Thes

e ar

e cu

t to

wor

k lik

e a

jigsa

w. V

ery

easy

to a

ssem

-b

le.

The

wei

ght

box

ass

emb

ly

shou

ld lo

ok li

ke th

is

Pag

e 25

Car

ve a

nd s

and

the

cow

l to

shap

e.

Inst

all t

he e

ngin

e te

mp

orar

-ily

to g

et c

orre

ct a

lignm

ent.

Mar

k th

e lo

catio

n of

the

glo

w p

lug

, ven

turi

Cut

and

san

d th

e op

enin

gs

to a

llow

the

cow

l to

fit o

ver

the

eng

ine

Mar

k an

d c

ut th

e ou

tlet f

or

the

exha

ust s

tack

(N

ote:

this

is

ove

rsiz

e to

acc

ept m

uffle

r

Inst

all t

he 1

/8�

cow

l hol

d-

dow

n to

the

fuse

. (In

stal

l 4/

40 b

lind

nut

s to

rea

r fir

st)

Inst

all t

he c

owl w

ith 4

/40

bol

ts te

mp

orar

ily.

Sand

the

fuse

lag

e b

otto

m to

sh

ape.

San

d th

e co

wl t

o fit

flu

sh w

ith th

e fu

sela

ge

Brea

k th

e ta

ck g

lue

poi

nts

on th

e fu

sela

ge

bot

tom

and

re

mov

e, h

ollo

w o

ut, t

hen

re-g

lue

Page 11: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

24

Pag

e 24

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

Cut

the

fuse

top

sid

es to

sh

ape,

san

d li

ght

ly th

e cu

t ed

ges

Ap

ply

glu

e to

the

fuse

lag

e si

des

, for

mer

s an

d to

p

Pin

the

fuse

lag

e to

p s

ide

in

pla

ce a

nd le

ave

to d

ry

Rep

eat t

he p

roce

ss o

n th

e ot

her

sid

e. L

eave

to d

ry.

Pin

the

Fin

in p

lace

and

m

ark

the

loca

tion

on

the

fuse

lag

e to

p.

Take

the

2 la

ser

cut c

owl

sid

es a

nd p

in in

pla

ce.

Glu

e th

e 3/

4� fr

ont b

lock

in

pla

ce.

G

lue

the

1/8�

ply

woo

d n

ose

ring

hal

f, an

d c

owl h

old

-d

own

in p

lace

.

To k

eep

the

area

whe

re th

e fin

is in

stal

led

flat

, lay

a 1

/4:

wid

e st

rip

of t

ape

to th

e to

p

if th

e fu

sela

ge.

San

d fu

se-

lag

e to

rou

gh

shap

e

Pag

e 11

Inst

all t

he b

lind

nut

into

the

bot

tom

of t

he b

ox a

nd g

lue

in p

lace

.

Mar

k th

e lo

catio

n of

the

wei

ght

box

the

win

gti

p

blo

ck.

Cut

out

he

bal

sa to

acc

ept

the

box

and

glu

e in

pla

ce.

Leav

e a

1/16

th o

r b

igg

er a

t th

e b

otto

m fo

r a

bal

sa

cove

r.

Glu

e a

1/16

th c

over

ont

o th

e b

ox li

d. T

his

will

giv

e yo

u so

me

mat

eria

l to

shap

e w

hen

sand

ing

The

win

gtip

box

inst

alle

d.

Not

e: T

he b

alsa

cov

er s

its

flush

with

the

top

of t

he

blo

ck

Inb

oard

tip

: On

the

inb

oard

tip

, mar

k th

e lo

catio

n of

the

adju

stab

le le

adou

t gui

de.

Mar

k an

d c

ut a

slo

t for

the

gui

de

to fi

t int

o. T

his

is a

re

fere

nce

poi

nt a

t thi

s st

age

Pin

a ti

p b

lock

to th

e to

p o

f th

e w

ing

tip a

nd m

ark

the

loca

tion

of th

e g

uid

e. U

n-p

in, a

nd c

ut a

slo

t for

the

gui

de

in th

e b

lock

.

Rem

ove

exce

ss ti

p w

ood

to

allo

w th

e lin

es to

pas

s th

roug

h th

e tip

.

Page 12: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

12

Pag

e 12

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

Glu

e th

e tip

pie

ce in

pla

ne

and

glu

e in

the

adju

stab

le

gui

de

.

Glu

e to

oth

er ti

p p

iece

in

pla

ce to

the

low

er s

ide.

G

lue

the

othe

r tip

blo

ck in

p

lace

als

o.

Pin

the

com

ple

te w

ing

tip

as

sem

ble

to th

e w

ing

.

Mar

k th

e w

ing

pat

ter

onto

th

e w

ing

tip a

ssem

ble

to

giv

e yo

u re

fere

nce

lines

to

shap

e to

.

Use

a r

azor

pla

ne to

rem

ove

all a

cces

s w

ood

to th

e re

fer-

ence

line

s yo

u ju

st m

ade.

Rou

gh

shap

e b

oth

tips

to

the

des

ired

sha

pe.

You

will

sa

nd th

ee la

ter,

so

this

doe

s no

t hav

e to

be

per

fect

.

Glu

e th

e w

ing

tips

to th

e w

ing

.

The

win

gtip

s in

stal

led

N

ote:

ther

e sh

ould

be

a sl

ight

ove

rhan

g o

n th

e tip

s to

acc

ept t

he fl

aps.

Pag

e 23

Trim

bal

sa a

long

ed

ge

of F

5 to

fini

sh fl

ush.

Sele

ct a

nd m

ark

the

1/8

x 3/

4 st

ock

for

the

fuse

lag

e to

p.

Do

the

sam

e w

ith th

e 1/

8 x

1/2

stoc

k an

d g

lue

tog

ethe

r

Ap

ply

glu

e to

the

top

of t

he

form

ers,

inst

all t

he p

iece

yo

u ju

st g

lued

. Le

ave

to d

ry

Glu

e th

e tw

o ta

il 1/

2� ta

il b

lock

pie

ces

tog

ethe

r an

d

app

ly g

lue

to th

e re

ar o

f the

fu

sela

ge

Glu

e th

e ta

il b

lock

in p

lace

. M

ake

sure

to g

lue

to th

e fu

sela

ge

top

.

Use

a r

azor

pla

ne o

r ro

ugh

sand

pap

er to

sha

pe

the

tail

blo

ck to

cor

rect

pro

file

Take

1/1

6th

she

et a

nd m

ark

and

cu

t to

leng

th fo

r th

e fu

sela

ge

sid

es (

top

).

Cut

the

pat

tern

from

the

pla

n, ta

ck to

the

shee

t sta

ck

the

1/16

th s

heet

and

hol

d

firm

Page 13: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

22

Pag

e 22

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

Lay

the

1/16

she

et o

n th

e p

lans

and

mar

k le

ngth

ove

r th

e se

ctio

n fr

om n

ose

blo

ck

to c

anop

y

Cut

the

shee

t to

leng

th

Glu

e on

e si

de

to th

e fu

se-

lag

e, p

in a

nd le

t dry

Spra

y th

e sh

eet w

ith w

ater

to

sof

ten,

do

not s

pra

y to

o he

avily

. Jus

t eno

ugh

to w

et

Use

an

iron

to h

eat a

nd

stea

m th

e sh

eet t

o sh

ape

over

the

form

ers

Onc

e st

eam

ed th

e sh

eet

will

hol

d th

e sh

ape

Mar

k th

e to

p o

f the

fuse

lag

e on

to th

e sh

eet

Cut

alo

ng th

e m

ark

to g

ive

a ne

w e

dg

e to

join

to th

e fu

sela

ge

Turn

the

fuse

lag

e ov

er a

nd

glu

e th

e fo

rmer

s an

d s

ide

Not

e: B

end

ing

the

1/16

she

et a

roun

d th

e fo

rmer

s ca

n b

e d

one

in a

num

ber

of w

ays.

The

ab

ove

met

hod

is th

is b

uild

ers

pre

ferr

ed m

etho

d o

nly.

Use

you

favo

ured

tech

niq

ue fo

r th

is p

roce

ss.

Pag

e 13

Fla

ps:

Rem

ove

the

lase

r cu

t p

arts

from

the

shee

ts

Mar

k th

e lo

catio

n of

the1

/16

bra

ce p

iece

s on

to th

e fla

p

bot

tom

.

Glu

e th

e !/

4 x

1/4

stoc

k to

th

e tr

ailin

g e

dg

e, le

adin

g

edg

e an

d s

ides

The

flap

sho

uld

now

look

lik

e th

is.

Mar

k an

d c

ut th

e 1/

16th

d

iag

onal

bra

cing

to fi

t.

Glu

e th

e b

raci

ng in

to p

lace

Cut

the

flap

whe

re th

e la

ser

cutt

ing

mar

ks s

how

, the

tip

p

iece

glu

es to

the

win

g,

As

seen

her

e, th

e fla

p is

to

the

left,

the

add

ition

al w

ing

-tip

to th

e ri

ght

. Ins

tall

the

�luc

ky b

oxes

� (s

ee e

leva

tor

asse

mb

ly)

Ap

ply

glu

e to

the

top

of t

he

flap

str

uctu

re, t

he 1

/4sq

and

cr

oss

bra

cing

.

Page 14: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

14

Pag

e 14

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

Glu

e th

e to

p s

heet

ing

to th

e fla

p to

com

ple

te. R

epea

t the

p

roce

ss o

n th

e ot

her

sid

e.

Take

the

wir

e fla

p jo

iner

an

d m

ark

the

loca

tions

for

the

ben

ds.

Ben

d th

e w

ire

to

suit

Take

a s

harp

ened

pie

ce o

f b

rass

rod

and

cut

a g

roov

e in

to th

e fla

p to

allo

w th

e jo

iner

wir

e to

sit

flush

Inst

all t

he jo

iner

wir

e to

ch

eck

fit.

Rep

eat o

n ot

her

sid

e

Posi

tion

and

pin

the

flap

s in

to th

e fin

al lo

cati

on. M

ark

whe

re th

e co

ntro

l hor

n m

eets

the

trai

ling

ed

ge

Cut

a s

mal

l rel

ief i

n th

e tr

ailin

g e

dg

e to

allo

w th

e ho

rn to

sit

flush

, and

hav

e fu

ll m

ovem

ent

Mar

k an

d c

ut th

e sl

ots

for

the

hing

es. U

se a

hin

ge

slot

ting

tool

or

sim

ilar

Cut

a h

ing

e b

arre

l rel

ief

slot

into

the

LE o

f the

flap

to

allo

w a

clo

ser

fit

The

hing

e b

arre

l sho

uld

sit

flush

with

the

LE o

f the

flap

.

Pag

e 21

Tack

glu

e th

e no

se r

ing

and

in

stal

l to

the

fron

t of t

he

fuse

.

Use

a r

azor

pla

ne to

sha

pe

the

bal

sa to

p b

lock

to b

lend

in

to th

e no

se r

ing

Con

tinue

to s

hap

e th

e no

se

of th

e p

lane

with

the

razo

r p

lane

and

cou

rse

sand

p

aper

.

Rem

ove

the

top

blo

ck a

nd

hollo

w o

ut to

1/8

th th

ick-

ness

Ap

ply

glu

e to

the

fuse

lag

e si

des

and

1/8

th s

heet

whe

re

top

blo

ck w

ill m

eet

Glu

e to

p b

lock

in p

lace

.

Ap

ply

glu

e to

nos

e ri

ng

Inst

all n

ose

ring

lini

ng u

p

with

the

pen

cil l

ines

you

put

on

ear

lier.

Rem

ove

add

ition

al m

ater

ial

from

the

nose

fille

r b

lock

w

ith a

Dre

mel

tool

or

sand

-p

aper

Page 15: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

20

Pag

e 20

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

Mar

k th

e lo

catio

n of

the

eng

ine

lug

s us

ing

a d

ead

ce

ntre

loca

tor

or p

enci

l

Rem

ove

the

eng

ine

and

d

rill

4/40

hol

es th

roug

h b

eare

rs o

n th

e m

arks

Inst

all t

he 4

/40

blin

d n

uts

to

the

top

of t

he b

eare

rs. (

you

will

nee

d to

enl

arg

e th

e ho

les

to fi

t the

se)

Mou

nt th

e en

gin

e w

ith 4

/40

bol

ts. T

his

is fo

r al

igni

ng

the

spin

ner/

nose

rin

g

Take

the

3/8

Top

blo

ck a

nd

mar

k to

siz

e (w

e d

id th

is

bef

ore

mou

ntin

g e

ngin

e)

Cut

top

blo

ck to

siz

e

Tack

glu

e to

p b

lock

in

pla

ce (

you

need

to b

reak

th

ese

tack

s la

ter)

Take

the

1/8

ply

nos

e ri

ng

and

cen

tre

arou

nd e

ngin

e (u

se a

sp

inne

r to

get

the

exac

t loc

atio

n.

Mar

k w

ith p

enci

l the

nos

e ri

ng lo

catio

n.

Pag

e 15

Mar

k an

d c

ut s

lots

into

the

trai

ling

ed

ge

of t

he w

ing

an

d d

ry fi

t the

flap

s.

Onc

e al

l hin

ges

are

in p

lace

an

flap

s ar

e al

igne

d, p

in in

th

e ne

utra

l pos

itio

n, M

ake

sure

they

can

not m

ove.

With

the

flap

s p

inne

d,

ben

d, c

ut a

nd in

stal

l the

p

ushr

od fr

om th

e b

ellc

rank

.

Take

the

stab

ass

emb

ly a

nd

also

mar

k th

e jo

iner

wir

e fo

r b

end

ing

.

Bend

and

inst

all t

he jo

iner

. In

stal

l the

hin

ges

the

sam

e w

ay a

s th

e fla

ps.

Take

the

carb

on p

ushr

od

and

cut

to le

ngth

. Ben

d

Page 16: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

16

Pag

e 16

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

Loca

te a

ll th

e fu

sela

ge

pie

ces

and

cut

tag

s fr

om

shee

ts

Ass

emb

le a

ll p

iece

s to

en

sure

they

are

all

ther

e Ta

ke th

e 1/

8 b

alsa

sid

es

and

glu

e th

e fr

ont s

ectio

ns

to th

e re

ar to

form

a c

om-

ple

te s

ide

Tip

: It h

elp

s to

hol

d th

e p

iece

s to

get

her

with

tap

e w

hen

glu

ing

Mix

som

e sl

ow c

ure

epox

y to

glu

e th

e p

ly d

oub

lers

to

the

fuse

sid

es

Lig

htly

coa

t the

ply

with

the

epox

y, d

o th

is to

bot

h d

oub

lers

. Mak

e su

re y

ou

have

a le

ft an

d r

ight

sid

e

Glu

e th

e d

oub

lers

to th

e fu

se s

ides

, wei

ght

dow

n an

d le

t dry

Take

the

map

le m

otor

m

ount

s an

d s

it th

e en

gin

e yo

u ar

e g

oing

to u

se b

e-tw

een

them

to g

et th

e ri

ght

sp

acin

g.

Take

the

map

le c

ross

p

iece

s an

d m

ark

to fi

t be-

twee

n b

eare

rs

Fuse

lag

e C

onst

ruct

ion

Pag

e 19

Ass

emb

le th

e en

tire

mot

or

crut

ch a

nd fu

sela

ge

sid

es.

Squa

re u

p a

nd w

eig

ht

dow

n. L

eave

to d

ry.

We

now

mov

e to

the

rear

of

the

fuse

lag

e. W

e h

ave

set

up a

bas

ic ji

g to

hol

d th

e fu

sela

ge

to th

e ri

ght

sha

pe

Inst

all f

usel

age

form

ers

F6

to F

10 b

etw

een

the

fuse

lag

e si

des

. Lin

e up

with

the

mar

ks o

n th

e fu

se s

ides

.

Mak

e su

re th

e fo

rmer

s ar

e sq

uare

and

glu

e in

to p

lace

The

fuse

lag

e sh

ould

now

lo

ok li

ke th

is.

Take

form

ers

F3-F

5 an

d

inst

all t

o th

e fr

ont o

f the

fu

sela

ge.

Mak

e su

re th

ey

are

squa

re

Ens

ure

the

form

ers

are

at

the

sam

e he

ight

, Glu

e in

to

pla

ce

Inst

all t

he 3

/4 x

3/8

nos

e b

lock

Pl

ace

the

eng

ine

into

the

fuse

lag

e a

nd h

old

in p

lace

te

mp

orar

ily w

ith a

rub

ber

b

and

Not

e: F

or th

e fu

sela

ge

asse

mb

ly, w

e to

ok s

ome

1/8�

ply

woo

d c

ut to

an

�L�

shap

e an

d g

lued

to th

e g

lass

wor

ktop

at r

egul

ar s

pac

es a

long

the

pla

n. T

his

is a

n ea

sy m

etho

d to

ens

ure

the

curv

atur

e of

th

e fu

sela

ge

is c

onst

ant.

You

can

use

a fu

sela

ge

jig to

ach

ieve

the

sam

e ef

fect

.

Page 17: LARK By Charles Mackey  · Classic Legal Precision Stunter Ł Wingspan 52fl Ł Length 39.5fl Ł Wing Area 570sqfl Ł Motor 35-46 LARK By Charles Mackey RSM DISTRIBUTION Photo _

18

Pag

e 18

TO

OR

DE

R C

AL

L: (

951)

678

-140

6

Tran

sfer

the

mar

ks to

the

othe

r fu

sela

ge

sid

e ag

ain

ensu

re th

ese

are

accu

rate

Her

e is

the

bas

ic a

ssem

bly

fo

r th

e m

otor

cru

tch

and

fu

sela

ge

fron

t

Mar

k th

e lo

catio

n of

fuse

-la

ge

form

er F

2 on

the

bea

r-er

s

Ep

oxy

F2 in

pla

ce w

ith s

low

cu

re e

pox

y m

akin

g s

ure

it is

sq

uare

to th

e b

eare

rs

Ap

ply

ep

oxy

to th

e 3/

32

ply

woo

d c

rutc

h b

race

and

in

stal

l ont

o th

e cr

utch

as-

sem

bly

Onc

e d

ry th

e m

otor

cru

tch

is c

omp

lete

.

This

ste

p is

NO

T ne

cess

ary

but

for

add

ed s

tiffn

ess

we

have

ad

ded

1/8

bal

sa to

the

to

p o

f the

cru

tch

Ap

ply

slo

w c

ure

epox

y to

th

e m

otor

cru

tch

asse

mb

ly,

bot

h si

des

.

At t

his

tim

e, w

e ar

e al

so

taki

ng th

e op

por

tuni

ty to

fu

el p

roof

the

eng

ine/

tank

b

ay w

ith e

pox

y

Tip

: Use

3m

rep

osi

tiona

ble

sp

ray

to a

ffix

cut o

ut s

ectio

ns o

f pla

n to

the

gla

ss w

orkt

op.

This

giv

es

a fla

t usa

ble

sur

face

to w

ork

off,

and

you

can

bui

ld d

irec

tly o

ver

the

pla

n.

Onc

e fin

ishe

d, y

ou c

an e

asily

pee

l the

pla

n o

ff th

e g

lass

.

Pag

e 17

Do

this

in 3

loca

tion

s as

per

p

lans

C

ut th

e cr

oss

bra

ces

to

leng

th a

nd s

qua

re o

ff en

ds

with

san

d p

aper

Mar

k th

e lo

catio

ns o

f the

cr

oss

bra

ces

onto

the

bea

r-er

s in

the

loca

tion

s sh

own

Tack

glu

e th

e cr

oss

bra

ces

to th

e b

eare

rs. M

akin

g s

ure

they

are

sq

uare

.

Take

a 1

/8th

Dri

ll an

d d

rill

thro

ugh

the

bea

rer

into

the

cros

s b

race

to in

sert

do

wel

You

can

now

bre

ak th

e ta

ck

glu

e jo

ints

, rea

dy

to e

pox

y th

e en

gin

e cr

utch

tog

ethe

r.

Use

slo

w c

ure

epox

y to

glu

e th

e cr

oss

bra

ces

to th

e b

eare

r.

Cut

the

1/8t

h d

owel

to

leng

th a

nd e

pox

y in

to th

e b

eare

rs a

nd c

ross

bra

ces.

Le

ave

to d

ry

Mar

k th

e lo

catio

ns o

f the

en

gin

e cr

utch

on

the

fuse

-la

ge.

Mak

e su

re th

ese

are

accu

rate

.