The J450BL (J450) is a 75% J reloadable composite sparky motor from Gorilla.
| Average Thrust: | 436.5840 N |
| Certified By: | Tripoli Rocketry Association |
| Class: | 75% J |
| Delays: | 1000 seconds |
| Designation: | J450BL |
| Diameter: | 54.0000 mm |
| Length: | 430.0000 mm |
| Letter: | J |
| Manufacturer: | Gorilla |
| Name: | J450 |
| Peak Thrust: | 601.0000 N |
| Propellant: | APCP |
| Status: | Out-Of-Production |
| Thrust Duration: | 2.5700 s |
| Total Impulse: | 1122.0200 Ns |
| Total Weight: | 1454.5400 g |
| Type: | Reloadable |
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