Filament Wound Fiberglass Coupler Tubes Size of Coupler Tubes:38mm which produces a brilliant white

which produces a brilliant white flame with lots of dense white smoke and a throaty roar at lift-off

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

Teflon coated so that they need no lubrication

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Filament Wound Fiberglass Coupler Tubes Size of Coupler Tubes:38mm which produces a brilliant whiteThese 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