...
| Name | Nominal ID | Nominal OD | Notes |
|---|---|---|---|
| Thrust Ring6 | .00 inN/A | 6.15 | Typical feature on COTS motor cases for transferring axial load into air frame components. |
| Body Tube | 6.00 in | 6.17 in | Body tube is the typical outer most tube in commercial rockets. Nose cones typically available in this size. A vehicle with a 6in series motor and 6in body tube is referred to as 'minimum diameter' |
| Coupler | 5.775 | 5.998 in | Typically acts as a structural join between body tube sections. Diameter of motor. A vehicle built from these tubes axially stacked on a motor case is called 'sub-minimum diameter' |
| Step | 5.530 | 5.75 | Typically the size of Avionics Bay bulkhead centering features or joining tubes on sub-minimum diameter vehicles. |
98 mm (4 in) Series Tubes
| Name | Nominal ID | Nominal OD | Notes |
|---|---|---|---|
| Thrust Ring | N/A | 4.02 | Typical feature on COTS motor cases for transferring axial load into air frame components. |
| Body Tube | 3.900 in | 4.024 in | Body tube is the typical outer most tube in commercial rockets. Nose cones typically available in this size. A vehicle with a 6in series motor and 6in body tube is referred to as 'minimum diameter' |
| Coupler | 3.755 in | 3.899 in | Typically acts as a structural join between body tube sections. Diameter of motor. A vehicle built from these tubes axially stacked on a motor case is called 'sub-minimum diameter' |
| Step | 3.75 in | 3.625 in | Typically the size of Avionics Bay bulkhead centering features or joining tubes on sub-minimum diameter vehicles. |