Filament Wound Fiberglass Coupler Tubes Size of Coupler Tubes:38mm Interesting fact: the release altitude

Interesting fact: the release altitude does not affect the landing speed

This motor requires installing a forward seal disc (54FSD) and a 54mm extended forward closure (54FCE) during assembly

Includes two 29mm case spacers (29FCCS)

Teflon coated so that they need no lubrication

and not drilled all the way through

Filament Wound Fiberglass Coupler Tubes Size of Coupler Tubes:38mm Interesting fact: the release altitudeThese Filament Wound glass fiber tubes are American made and of high quality glass fiber impregnated with a low viscosity epoxy resin. They are wound with approximately + 30 45 degree angles on steel mandrels and the OD's are grinded down to size. The ID and OD finishes are very smooth with a a slight opaque natural green color. These tubes are extremely strong, durable, and resistant to 'road rash' associated with flying rockets. Tubes are rough cut