4" G12 Coupler
Filament Wound Rocket Tubing
G12 Fiberglass rocket tubing is manufactured from premium fiberglass roving and epoxy.
The process uses a state of the art filament winder that is fully automated and computer driven.
Each tube size is engineered to offer the highest linear strength for use in rocketry.
All airframes are constructed with many layers of different wind angles from 30 Deg to 45 Deg.
Product is then placed in an oven for cure and post cure.
Finish: Centerless Ground / Smooth
Inside diameter 3.755 inches
Outside diameter 3.899 inches
IMPORTANT NOTE: Not all colors and sizes are stocked - in stock items will ship within 1 week - non-stocked items usually ship within 1-2 weeks for Natural/White* and 3 weeks for color - please call or email if you want to check specific ship times.
*Natural/White tubing ranges in color for transparent light green to opaque white - please indicate in order notes if you have a specific requirement - please note this may effect ship times.