An ARR exclusive! Special double liner casting tube and liner sets for long burn C-SLOT, D-SLOT and Moonburner motor designs!
They are available in 54mm,75mm and 98mm for Research Rocketry Enthusiasts interested in designing long burn motors. These are NOT for Aerotech hardware.
The Specification table below is subject to change without notice. Please call to verify the size of your motor housing before placing your order.
The current 75mm (2.75 O.D.) fit Mike Fisher Motors.
All casting Tubes and Liners are sold in 4′ lengths.
| 54mm Long Burn | 75mm Long Burn | 98mm Long Burn |
| Outer liner: 1.925″OD x 1.837″ID x .044″ wall (standard liner, fully cured phenolic) | Outer liner: 2.734″OD x 2.612″ID x .061″ wall (standard liner, fully cured phenolic) | Outer Liner: 3.480″OD x 3.336″ID x .070″ wall (standard liner, fully cured phenolic) |
| Inner liner: 1.824″OD x 1.730″ID x .047″ wall (inner insulating liner, fully cured phenolic) | Inner liner: 2.598″OD x 2.470″ID x .064″ wall (inner insulating liner, fully cured phenolic) | Inner liner: 3.320″OD x 3.175″ID x .072″ wall (inner insulating liner, fully cured phenolic) |
| Casting tube: 1.717″OD x 1.659″ID x .029″ wall (kraft paper with white glassine outer) | Casting tube: 2.456″OD x 2.400″ID x .028″ wall (kraft paper with white glassine outer) | Casting tube: 3.165″OD x 3.089″ID x .038″ wall (kraft paper with white glassine outer) |