DynaStar Grappler Manuel - Sayfa 4

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13. Thread the shock cord through the

remaining cardboard centering ring. Then slide

it into the front end of the body tube, and then

over the forward end of the engine tube. Push

it until it rests up against the green ring. Add

a ﬁllet of glue to the front side of the centering

ring at the centering ring/body tube joint and

also at the centering ring/motor mount tube

joint. Place upright on a table to allow the glue

to dry.

14. Take the red AC-66 Airframe Coupler

and test ﬁt it into the front end of the mo-

tor mount assembly. Mark the coupler with

a pencil 2 inches (51mm) from one end,

which will be the forward end. Run a bead of

glue around the coupler on the rear half and

smooth it out with your ﬁnger. Now, push and

turn the coupler as you insert it into the for-

ward end of the tube. Stop when it gets to the

line. Wipe any excess glue away.

15. Apply wood glue to the exposed portion

of the coupler tube and quickly twist on the

upper body tube until the two body tubes are

butted-up against each other. Allow the glue

to dry.

16. Cut out the tube marking guide from the

pattern sheet (see page 8). Wrap the guide

around the aft end of the bottom white body

tube and tape the ends together. Mark a small

line at each of the arrow points. Remove the

marking guide.

17. Using a your metal angle tool (a door

frame will work, but it is not recommended on

large diameter tubes), draw a pencil line down

the outside of the body tube at each pencil

mark. Label the launch lug line so you don't

glue a ﬁn in the wrong position.

18. Lightly sand the area along which the

ﬁns will be attached; just enough to take the

"sheen" off the tube. Apply a very thin layer of

glue to the root edge of one of the ﬁns. Allow

the glue to dry slightly for ﬁve minutes, and

then attach it along one of the lines on the

body tube, as shown in the illustration. Each

ﬁn is attached so that it is ﬂush with the end

of the tube. Make sure the ﬁn is straight along

the tube. Allow the ﬁn to dry before proceeding

with the next ﬁn. Repeat this step two more

times as you attach the other two ﬁns.

Page

Glue ﬁllet on both inside and outer perimeter.

2" (5.1 cm)

Shock cord

Note the wood

grain direction.

Fin

YES