Aamram model rocket, 18mm

This is a scale version of the military Aamram air to air missile. Or at least as close to scale as I can make it.

In addition to the parts listed here you will need:

• 30cm of BT-55 body tube (33mm diameter) for the bottom body
• 24.6cm of BT-55 body tube (33mm diameter) for the top body
• 7cm of BT-20 body tube (18mm) for the motor tube.
• An 18" parachute
• Shockcord (I use kevlar line)

Note, the taller conduit pieces have both a "supported" and regular version. The supported versions will print cleaner, but you'll have to snip off the reports.

Instructions

1. Glue the motor tube to the mmBottom piece so the tube is flush with the bottom (which is the narrower end)
2. Glue the motor tube to the engineblock piece, which also forms the top centering ring.
   NOTE: the engineBlock piece has a hole in it. This is so you can run kevlar line through it, which you can then tie around the motor tube. The other end of this line can run out the body tube to form the shock cord. Alternatively, you can use the old estes method of gluing the shock cord to the top of the upper body tube.
3. Glue the motor mount assembly inside the bottom of the 30cm piece of BT-55 so that the wider portion of the mmBottom piece is flush with the bottom of the tube. The narrower portion should be sticking out of the bottom. It's this portion that the "retainer" piece twist locks to, to hold the motor in.
4. When the glue is dry, twist on the retainer and glue the conduit 1 piece to line up with the bulge of the conduit end that is on the retainer.
5. Glue the mainFinRing onto the bottom body tube remembering to line up the conduit portion.
6. Glue the conduit 2 and 3 pieces in line with the conduit portions already glued. These two should bring you to the top of the lower body tube. There probably will be a little extra conduit above the tube, which can be trimmed off.
7. glue the coupler to the top of the lower body tube. Again, line up the conduit portion.
8. glue the upper body tube to the top of the coupler.
9. glue conduit 4 in line with the other conduit pieces, rounded part at the top.
10. the upper and lower fins sit in the support slots in the coupler and mainFinRing, respectively.
11. Attach the nose cone to the shock cord and the parachute to the nosecone.
12. Paint and decorate (You can probably find decals on-line)

Video of launch found here: https://www.youtube.com/watch?v=dIOq_XBTMyI&t=154s