All Rocketry Blogs

Model Rocket Building: Flying Engine Mount Build Part 1, Parts? DIY Centering Rings (2016-12-14)

This is a spare parts odd-roc based on Steve Lindeman's Little Me-Me. Steve's design was a left over engine mount from the Estes Jetliner kit. He upgraded the Jetliner to 18mm engines. The leftover ... [Read More]

Model Rocket Building: Flying Engine Mount Build Part 2, DIY Centering Rings (2016-12-15)

Initially the center hole will look rough. Slip in a BT-5 and shave off any raised edges. Don't take off much, you'll still want a tight friction fit around the BT-5. It's easier to separate the ... [Read More]

Model Rocket Building: Flying Engine Mount Build Part 3, Engine Hook Notch (2016-12-16)

The lower ring will need a engine hook relief notch. Use a rotary punch. Knock off the corner ends with a knife. The inset picture shows the finished notch. I didn't realize it until after ... [Read More]

Model Rocket Building: Flying Engine Mount Build Part 4, Gluing It Together (2016-12-17)

Notch the tube 1 1/2" from the rear for the engine hook bend. The lower ring is glued 1/4" from the end of the BT-5. A wrap of electrical tape goes above that. Here's how the mount glues together. ... [Read More]

Model Rocket Building: Flying Engine Mount Build, Finished (2016-12-18)

I forgot the launch lug holes! You won't need a launch lug on this one. Two holes in line through the centering rings is all it takes. Ideally, the holes should have been punched before the rings ... [Read More]