Surefire Flying Model Rocket Kit Instrucciones de funcionamiento

Flying Model Rocket Kit Instructions

ShockCord Mount

How to Use These Instructions:

A. Using basic modeling techniques, this kit will

help in the development of modeling skills.

B. Check all parts before you begin building.

C. Test fit all parts before gluing.

D. Check off each step as you complete it.

Construction Supplies Required:

A. Ruler

B. Knife

C. Pencil

D. Glue

E. Scissors

F. Sandpaper

G. Paint

H. Sanding Sealer

I. Adult Supervision

Engine Mount Assembly

Parts Needed: Engine Mount Tube (H),

Engine Hook (G), 2 Centering Rings (F)



Measure and mark ¼” from the end of the engine tube

(H) with a pencil. (Fig 1a)

 With a hobby knife make a small 1/8” horizontal slit on

the mark. Lay the Engine hook (G) on the body tube

inserting the 90 degree bent section into the slit. (Fig 2a)

 Measure and mark ½” from both ends of the Engine

Mount Tube (H) with a pencil. (Fig 1a)

 Place one Centering Ring (F) at the top of the Engine

Mount Tube (H) and one at the bottom of the Engine

Mount Tube (H) as shown. (Fig 3a)

 Place a small ring of glue around the Engine Mount Tube

(H) at both marks you made ( ½” from the ends) (Fig 3a)

 Slide the remaining Centering Ring (F) over the glue

onto the marks as shown. (Fig 4a)

1/4“

½“

Ring mark

Hookmark

Glue

(Fig 1a) (Fig 2a) (Fig 3a) (Fig 4a)

Tube Marking

Parts Needed: Main Body Tube (C)



Place the Body Tube (

) on the template.

(Fig 2a)

 With a pencil carefully draw small alignment marks at

the intersection of the tube and the fin guide. (Fig 2a)

 Using a door frame or a tube marking guide (to make

straight lines) extend the four fin alignment marks 3”

down the Body Tube (C). (Fig 2b)

** NOTE ** Make sure not to press too hard on the

tube. A light mark is all that is required

H) Shock Cord Mount

Expanded View

The Shocker Educational Rocket

B) Nose Cone

(Two Part)

A) Streamer

D) Shock Cord

G) Engine Hook

F) Centering

Rings (2)

H) Engine Tube

I) Launch Lug

C) Body Tube

E) Fins

(Configuration will vary)

Fig. 2a

*Use the dotted lines for 3 fins

*Solid lines for 4 fins

A) Streamer or Parachute

2.8”

Engine Mount Installation

Parts Needed: Body Tube (C),

Assembled Engine Mount, Glue.



The engine mount assembly should be completely dry

before starting this step.

 Locate the end of the tube that has the fin markings.

This is the end that the engine mount will be glued to.

 With a glue applicator (small stick, pencil, your finger,

etc…) place a ring of glue about 1 ½” from the bottom

of the tube on the inside. (Fig 5a)

 Slide the assembled engine mount into the body tube

until the engine tube (H) is flush with the bottom of the

body tube. (C) The completed engine mount should

look similar to figure 5b.

Fin Attachment

Parts Needed: Fins (E) , Body Tube (C), Glue

( Fin design will vary )



Apply a small bead of glue along the root edge of the

fin. (Fig 6a).

 Set the rear edge (trailing edge) of the fin even with

the bottom of the body tube. Make sure you are using

the end that has the engine mount installed.

 Press the fin gently against the body tube making sure

that the root edge is aligned with one of your marked

2.8” fin guide lines made in step 3.

 Carefully adjust the fin as needed to make sure the fin

is aligned. An incorrectly placed fin will drastically

change the flight of your rocket. Hold the fin in place

until the glue is set.

 Carefully repeat the above steps for each fin. (4)

 Stand rocket to allow for proper glue drying. (Fig 6c)

Fin Cutting and Preparation

Parts Needed: Fin stock, sandpaper



Lightly sand all edges so that they are equally

smooth.

***OPTIONAL*** For even better performance sand

the leading edges round and taper the trailing edge.

Shock Cord Mount Assemb

Parts Needed: Shock Cord (D), Shock Cord

Mount (H), Glue.



Cut out the Shock Cord Mount (

) from the back of

this sheet.

 Lay the Elastic Shock Cord (D

) on the mount so that the

cord starts on section #2 and lays across section #3. (Fig

4b)

 Glue the cord to the mount on section #2 (Fig 4b) Fold

section #1 onto section #2. Hold till glue dries. (Fig 4c)

 Glue the cord to section #3 (Fig 4c). Fold sections #1

and #2 on to section #3 (Fig 4d). Hold until glue is dry.

(Fig 3a)

Root Edg

Leadin

(Fig 3b)

railingEdge

Shock Cord

Mount

Shock Cord

Mount

Shock Cord

Mount

SureFire Rockets

(Fig 4b)

(Fig 4c)

(Fig 4d)

ShockCord

Glue

Body Tube

Engine Mount

Installed

(Fig 5a)

(Fig 5b)

Root Edge

Leading

(Fig 6a)

Body Tube

Fin Mark

Fin

(Fig 6b)

(Fig 6c)



Gently press out the pre cut laser fins

 Lay your piece of sandpaper rough side up on a table

or flat surface.

 Gently sand off any bumps left by from the balsa

sheet tear-out. *Usually better results are achieved by

lining up the fins and sanding at one time ( fig 3a)

*Fin configuration will vary

Shock Cord Mount

Attachment

Parts Needed: Rocket, Shock Cord/

Attached Mount



Apply

glue to the shock cord

mount (Fig 9a) and insert

into the rocket tube. (Fig 9b)

 Make sure you place the mount at least 1” from the top of

the body tube. This space is needed for the nose cone to

fit.

 Press the mount firmly to the tube with your finger or a

small rod. Hold mount until glue sets.

***NOTE*** Before you launch your rocket, lightly pull on

the shock cord to make sure it is firmly attached. A bad

gluing job here could mean only one flight for your rocket.

10.

Attach Your Nose Cone

Parts Needed: Shock Cord (attached), Nose

Cone (B), Streamer or Parachute(A)



Glue on the cap of the nose cone. Follow the drying

instructions provided by the type of glue you are

using. It is very important to let the glue fully dry.

 Tie the Shock Cord to the Nose Cone (B) at the

location shown above. (Fig 10a) Tie a triple knot in

the shock cord to ensure that it does not come untied

during flight

 Tie Streamer or Parachute (A) to the same location as

the shock cord. (Fig 10a) If your rocket comes with a

parachute please follow the instructions that come

with the parachute.

 Congratulations! You’re done building your rocket.

You can prepare it for flight now (Step #12) or

proceed to painting and decorating (Step #11).

Launch Lug Attachment

Parts Needed: Body Tube (C), Launch

Lug (I), Glue, Ruler, Pencil



Measure and mark from the bottom of the rocket (where

the fins are) 3 ½” as a reference line. (Fig 7a) Use this

line as a starting point for the Launch Lug (I).

 Apply glue and attach the Launch Lug (I). (fig 7b)

 Make sure that the Launch Lug (I) is aligned with the

Body Tube (C) as shown. (Fig 7c) Let dry.

Fin Reinforcement

Parts Needed: Glue, Rocket frame



Filling in the ‘gap’ between the fins and the rocket

tube is important. It improves the aerodynamics of

your rocket while improving the strength of your fins.

 Take a bead of glue and run along the fins where they

join the body tube. (Fig 8a) Glue only one fin at a

time.

 Smooth the glue into the gap creating a fillet of glue

between the fins and the tube.

 Stand the rocket as shown (Fig 8b) to allow the glue

to dry.

”

(Fig 7a)

(Fig 7b)

GLUE

(Fig 8a)

(Fig 8b)

Glue

(Fig 9a)

1”

ShockCord Mount

*Not to scale

Attach Streamer Here

*Nose cone comes in two parts

13.

Launch Supplies

To launch your rocket you will need the following items:

 A Launch controller and Launch pad with a 1/8” launch

rod.

 Three to four sheets of recovery wadding for each

additional flight.

 Recommended engines: A8-3, B4-4, B4-6, B6-4, B6-6,

C6-5, C6-7,

 It is recommended that you use smaller engines such as

the A8-3 for your first flight in order to check your

rockets flight pattern.

15.

Rocket Launch

Make sure the safety key is not in the launch

controller.

2. Slide your rocket onto the launch pad making sure

the launch lug slides freely over the launch rod.

3. Attach the wires from the launch controller to your

igniter. Make sure the clips are separated (for Estes

igniters) and not touching the blast deflector plate.

4. Make sure everyone is at least 15 feet back from the

launch pad.

5. Insert the safety key and depress it so the light

comes on.

Give an audible countdown

5…..4…..3…..2…..1….BLAST OFF !!!!

( press the button )

11.

Painting your Rocket

Parts Needed: Assembled Rocket. Colors.

Painting and detailing your new rocket is a personal

choice. You can paint the rocket with any hobby

quality acrylic or enamel paint. Additionally the

rocket can be colored with markers.

Tips on painting or coloring your rocket:

1. When spraying your rocket make sure to keep the

spray can 12 inches from the rocket.

2. Make long sweeping strokes starting before the part

you are painting and stopping after.

3. Only do one coat at a time. Several thin coats are

better than one thick coat that will run.

4. Make sure to paint outside or in a well ventilated area.

5. Adult supervision is required for children under 10 for

painting.

6. Adult supervision is recommend for all children under

8 using markers to color their rocket.

12.

You are Done!!

Congratulations on successfully building your SureFire

Rocket! Please take a minute to read the following pre-

flight information to ensure a successful flight of your

rocket.

Preparing your rocket for Flight.

 Crumple and insert three to four sheets of wadding into

the nosecone end of your rocket.

 Push the wadding inside the body tube using a pencil or

pen.

 Fold the streamer in three-inch lengths and insert into

your body tube.

** NOTE ** Streamer and wadding should fit loosely

into the tube.

 Stick the remaining shock cord in the tube and insert the

nose cone.

Preparing your Engine for Flight.

 Holding your engine upright insert the igniter until it

makes contact with the propellant. (This is usually about

¼ to ½ inch).

 Insert igniter plug into the engine. Firmly push the plug

all the way in.

 Bend igniter wires back and insert the engine into your

rocket.

 Your rocket is now ready for flight!

14.

Rocket Flight

Choose a large field with no power lines or trees. Try to

find a field that is at least 650 feet square. The larger the

field the less rockets lost. Launch your rocket during calm

days only. If windy make sure you aim your rocket into the

wind to adjust for drift after the recovery device has been

deployed.

Always make sure to follow any local laws and the NAR

model rocketry safety code.

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