
www.estesrockets.com
ESTES® INDUSTRIES
1295 H Street
Penrose, CO 81240
PRINTED IN CHINA
FLYING MODEL ROCKET KIT INSTRUCTIONS
EST 2054/1245
KEEP FOR FUTURE REFERENCE.
ASSEMBLY TIP:
Read all instructions
before beginning work on
your model. Make sure
you have all parts and
supplies.
TEST-FIT ALL PARTS
TOGETHER BEFORE
APPLYING ANY GLUE!
If any parts don’t fit properly, sand
as required for precision assembly.
PARTS:
Locate the parts shown below and lay them
out on the table in front of you.
DO NOT USE THIS DRAWING TO
ASSEMBLE YOUR ROCKET.
Upper Body Tube BT-55
(1) (30375)
Main Body Tube BT-55
(1) (30374)
Engine Mount Tube
BT-20 (1) (30327)
Engine Hook (1)
(35021)
Centering Ring Card (1)
(30126)
Shock Cord (1)
1/8" x 18"
(38374)
HELPFUL HINT: IF NOSE CONE/COUPLER FIT IS. . .
TOO
LOOSE
ADD
MASKING TAPE.
Yellow Spacer Tool (1)
(35003)
Plastic Tail Cone and
SAND FOR FIT.
Nose Cone (1)
(60552)
Adapter (1)
(60568)
TOO
TIGHT
SHOCK CORD
MOUNT
SECTION
SECTION
SECTION
1
2
3
3
2
1
SECTION
SECTION
SECTION
MOUNT
LOWER TUBE MARKING GUIDE
Green Engine
SHOCK CORD
Block (1)
(30162-2)
Mylar Retainer
Ring (1)
(30168)
FIN
FIN
LAUNCH
LUG
FIN
FIN
MATCH LINES
FIN
FIN
FIN
UPPER TUBE MARKING GUIDE
FIN
Die Cut Card Fin Conduit (1) (32907)
Die Cut Balsa Sheet (2) (32216)
SUPPLIES
SCISSORS PENCIL
In addition to the parts included in the kit you will also need:
RULER
FINE
SAND PAPER
(#400-600 GRIT)
CARPENTER’S
GLUE
Launch Lug (1)
(38175)
Decal Sheet (1) (60554)
MODELING
KNIFE
PLASTIC
CEMENT
Clay Weight (1)
(85704)
MASKING
TAPE
Assembled 12” (30 cm)
Parachute
(1) (35801)
SPRAY
PRIMER
WHITE
SPRAY PAINT:
OLIVE
DRAB, LT. GREY
SPRAY
DULL
COAT
Red Tube Coupler (1)
JT-55 (30175-5)
Operation Enduring
Freedom sticker (1)
(60586)
RAZOR SAW
SILVER PAINT
PEN

1. ASSEMBLING ENGINE MOUNT
A. MEASURE AND MARK
YELLOW SPACER TOOL.
1/2”
(13 mm)
YELLOW SPACER
TOOL
B. USE SCRAP BALSA TO SMEAR GLUE
SCRAP BALSA
2" (51 MM) INSIDE ENGINE MOUNT
TUBE.
2"
(51 mm)
ENGINE MOUNT
TUBE
MARK
YELLOW SPACER
TOOL
C. PUSH ENGINE BLOCK INTO BT-20 ENGINE
MOUNT TUBE WITH SPACER TOOL UP
TO MARK. REMOVE SPACER TOOL.
GREEN
ENGINE
BLOCK
1/2"
(13 mm)
REAR
D. MARK ENGINE MOUNT TUBE AT 1" (25 MM)
AND 2 1/4" (57 MM) FROM REAR END. CUT
1/8" (3 MM) SLIT AT 2 1/4" (57 MM) MARK.
1"
(25 mm)
2 1/4"
(57 mm)
G. CAREFULLY REMOVE
RINGS FROM CARD.
K. SLIDE A CENTERING RING
DOWN TO THE 2 1/2" (64 MM)
MARK.
H. APPLY GLUE ABOVE
THE 1" (25 MM) LINE.
1" mark
(25 mm)
E. POSITION
ENGINE HOOK.
I. SLIDE MYLAR RETAINER RING
ONTO ENGINE MOUNT TUBE UP
TO 1" (25 MM) MARK. LET DRY.
L. SLIDE A CENTERING RING DOWN
TO THE 5 7/8" (149 MM) MARK.
F. TEMPORARILY TAPE
1" mark
(25 mm)
HOOK INTO PLACE.
I" mark
(25 mm)
MYLAR
RING
Remove
Immediately.
J. PLACE A PENCIL MARK AT 2 1/2" (64 MM)
AND 4 7/8 (124 MM) FROM END OF ENGINE
MOUNT. REMOVE TAPE.
REAR
M. APPLY GLUE FILLETS TO BOTH
SIDES OF EACH CENTERING
RING. LET DRY.
2 1/2 (64 mm)
4 7/8 (124 mm)
2. PREPARING FINS
A. FINE SAND BALSA SHEETS. CAREFULLY CUT
PARTS FREE WITH A MODELING KNIFE.
3. MARKING BODY TUBES
A. CUT OUT
FIN
SHOCK CORD
FIN
MOUNT
3
SECTION
2
SECTION
1
4
5
0
SECTION
2
T
S
E
S
E
4
C
T
N
IO
N
O
1
H
T
Y
P
M
S
E
A
C
T
A
IO
N
R
2
S
A
N
3
N
U
LA
LU
S
E
C
T
IO
H
C
G
FIN
FIN
LOWER TUBE MARKING GUIDE
S
E
IN
MOUNT
SHOCK CORD
L
H
C
T
IN
F
A
M
UPPER TUBE MARKING GUIDE
IN
F
TUBE
MARKING
GUIDE.
E
ID
U
G
IN
G
F
IN
K
R
A
M
IN
E
F
B
U
T
B. WRAP TUBE MARKING
GUIDE AROUND LOWER
BODY TUBE AND MARK AT
ARROWS. EXTEND LINES
ENTIRE LENGTH OF TUBE.
MARK LAUNCH LUG LINE
WITH “LL”.
“LL”
Lower Body Tube
10 3/4” (273 mm)
B. STACK LIKE PIECES AND SAND
EDGES SMOOTH. LEAVE THE EDGES
SQUARE, DO NOT ROUND
THEM.
C. WRAP TUBE MARKING
GUIDE AROUND
UPPER BODY TUBE
AND MARK AT
ARROWS. EXTEND
LINES ENTIRE
LENGTH OF TUBE.
Upper Body Tube
8 5/8” (219 mm)
D. EXTEND ALL LINES
ENTIRE LENGTH OF
TUBE.
Door
Frame
Top view