D12-5 Powered Christmas Tree Rocket - Flies great to around 750' to 1000'

Construction is fairly simple. The rocket is made up of an 18" piece of BT-50 which is almost entirely surrounded by a large paper cone. The cone transitions from .976" to 4" wide over a span of 15.5" and is made from poster board. There are 2 centering rings which hold the cone to the body tube. The bottom centering ring also serves as the base of the tree. The rocket is designed so the launch rod runs along the body tube inside the cone. The following pictures show the position of the 2 launch lugs:

Here are the patterns and the parts list. I split the pattern for the cone up over 4 pages with numbered alignment marks on each page.

Fin & Centering Rings

Cone Pattern Page 1

Cone Pattern Page 2

Cone Pattern Page 3

Cone Pattern Page 4

Body Tube - 18" Estes BT-50

Engine Block - Estes EB-50 (5020 CR)

Posterboard for Paper Cone

Balsa - 1/16" for Fins & 1/8" for Centering Rings

Launch Lugs - (2) 3/16" 1.5" Long

Recovery Device and Shock Cord Material (I used 1/32" Kevlar® & a 4"x40" Mylar Streamer)

I designed this rocket using Apogee Components' (www.apogeerockets.com) RockSim 3.01 product.

Send me (Tom Stagner) any questions and/or comments you may have regarding this rocket.