Boyce Flip-Out-Fin Unit for BT-101 Tube spo-disabled Our Honest John Fin Upgrade

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

Altimeter weighs

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

Fully 3D SLA printed Escape Tower

375 imches

Boyce Flip-Out-Fin Unit for BT-101 Tube spo-disabled Our Honest John Fin UpgradeOur 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