Boyce Flip-Out-Fin Unit for BT-101 Tube spo-disabled 1/4" launch lugs and 1"

1/4" launch lugs and 1" rail guides

Fully 3D SLA printed Escape Tower

Our Honest John Fin Upgrade allows you to get rid of those wimpy vacuformed fins and replace them with these high-quality direct glue on replacements

was a fine example of American industry working together to solve complex problems and protect American cities in the event of a full scale Nuclear attack

The recovery system features a 24" parachute

Boyce Flip-Out-Fin Unit for BT-101 Tube spo-disabled 1/4" launch lugs and 1"Our new Flip Out Fin Unit is used for creating two stage BT 101 models that don't have second stage fins. This is a perfect upgrade for making a two stage version of the Estes 1: 100 scale Saturn V. Our Flip Out Fin Unit is designed for use on scale or experimental rockets that have a BT 101 as a main body tube and that will use a single 24mm second stage motor. The unit is basically a glue in tube coupler that has 4 flip out fins that automatically