Estes Pegagus #0806 Wings

Doesn't Matter

Doesn't Matter

High (0.3 to 0.2 mm layer height)

Your choice, although I use ~30% to save weight.

The scaled and mirrored wings may need support for the tube area, but this area is very thin and cleaning out support is difficult.

Parts for the complete rocket can be purchased online. I bought body tubes, engine mount hooks, shock cord, parachute, and nose cone separately. For the full scale wings, print the original and a mirrored copy. Clean up as necessary. I used 5 min epoxy to attach the wing tips to the wings. These are dovetailed for strength, so some minor filing, sanding or cutting may be necessary. Glue the upper dorsal fins to the engine pods. Again, using 5 min epoxy, attach the completed wings to a BT20 body tube. Make sure to fillet the glue over extra area on the body tube for strength. Assemble the rest of the rocket according to the original instructions. (http://www.spacemodeling.org/jimz/est0806.htm)

The wings are much heavier than the original balsa wings. Each wing assembly weighs about as much as the complete original model. I used 13mm A10-3T Engines. These give a fantastic launch and recovery within a football field sized area. Do not use the smaller 13mm engines like 1/2A3 or 1/4A3 engines. The model is just too heavy and your rocket will usually end up nose down in the ground before the parachute is deployed.

Parts for the complete rocket can be purchased online. I bought the body tube and parachute separately. I printed a nice nose cone from http://www.thingiverse.com/thing:559583.

Print the scaled and mirrored wings. These are scaled down to ~75% of the original to fit directly to a BT-5 body tube. Clean up as necessary. The wing assembly has two small protrusions inside the round body tube attachment area. These are to prevent a motor from being inserted too far into the body tube. I used 5 min epoxy to attach the wing tips to the wings. These are dovetailed for strength, so some minor filing, sanding or cutting may be necessary. Glue the upper dorsal fins to the engine pods. Again, using 5 min epoxy, attach the completed wings to a BT-5 body tube. I had issues with the motor releasing from the tube so you may want to assemble with an engine hook glued under the wing assembly.

This model is very light. I easily used 13mm 1/2A3 engines and the model FLEW off the launchpad. My only issue was that without an engine hook, the engine would release from the body tube instead of deploying the parachute due to the tight fit of the parachute in the body tube. I would recommend an engine hook and the use of very thin shock cord or fishing line as well as a streamer instead of a parachute.