Boyce Flip-Out-Fin Unit for BT-101 Tube spo-disabled 78 inches in diameter

78 inches in diameter

1/4" launch lugs and 1" rail guides

ST-11 and BT-50)

This Builders Kit also includes a detailed interstage with visible first state upper tank dome

Altimeter weighs

Boyce Flip-Out-Fin Unit for BT-101 Tube spo-disabled 78 inches in diameterOur 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