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35. Cut out four of the "E" parts (six are provided)

and two of the "F" parts (three are provided) from

the cardstock detail sheet. Carefully sand any tabs

off of the parts with fine grit sandpaper.

36. Using a medium CyA adhesive, attach the "E"

cardstock parts to either side of the "G" balsa parts

- flush with the bottom, front and back edges. This

creates the "rail guides". This step is easier with

the help of a pair of tweezers to place the parts

and a toothpick to apply the glue to the side parts

"E". Repeat for the second rail guide and allow the

adhesive to harden.

37. Again using medium CyA adhesive, attach the

"F" part on the top surface of the "G" balsa piece

with the engraved line facing up and toward the

sloping side of the assembly. There should be a

small (<1 mm) gap between the "E" and "F" parts

on both sides, and the "F" part should be centered

from side to side. Repeat for the other rail guide.

Once the parts are placed, allow the adhesive to

harden.

38. Using fine sandpaper, sand the front edge of

the "F" part on each of the rail guides, between

the forward edge of the part and the engraved line

on its exposed surface so that the front section is

flush with the main body of the rail guide.

39. Using medium CyA adhesive, glue the balsa

part "H" to the base of one of the assembled rail

guides as shown, flush with the back end and

sides of the piece. This will be the aft rail guide,

and part "H" provides a standoff to allow correct

mounting at the step in the rocket body. You will

not modify the other rail guide.

Step 35

Step 36

Step 37

Step 38

Step 39

Sand Flush to

Engraved Line

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