The 660J381-15A (J381) is a 3% J 38mm 6-grain reloadable composite sparky motor from Cesaroni Technology Incorporated (CTI).
This motor uses an E-Match igniter.
This reload fits a Pro38-6G motor case.
CTI's Skidmark propellant produces a yellow flame, black smoke, and yellow sparks. Like other "sparky" motors, it is also loud.
| Average Thrust: | 351.7140 N |
| Casing: | Pro38-6G |
| Certified By: | Tripoli Rocketry Association |
| Class: | 3% J |
| Delays: | 6,8,10,12,15 seconds (variable) |
| Designation: | 660J381-15A |
| Diameter: | 38.0000 mm |
| Formula: | Skidmark |
| Igniter: | E-Match |
| Length: | 419.0000 mm |
| Letter: | J |
| Manufacturer: | CTI |
| Name: | J381 |
| Peak Thrust: | 505.0290 N |
| Propellant: | APCP |
| Status: | In-Production |
| Thrust Duration: | 1.8700 s |
| Total Impulse: | 659.1120 Ns |
| Total Weight: | 688.0000 g |
| Type: | Reloadable |
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