The K411BL (K411) is a 42% K reloadable composite sparky motor from Gorilla.
| Average Thrust: | 413.8871 N |
| Certified By: | Tripoli Rocketry Association |
| Class: | 42% K |
| Delays: | |
| Designation: | K411BL |
| Diameter: | 75.0000 mm |
| Length: | 368.0000 mm |
| Letter: | K |
| Manufacturer: | Gorilla |
| Name: | K411 |
| Peak Thrust: | 578.2690 N |
| Propellant: | APCP |
| Status: | Out-Of-Production |
| Thrust Duration: | 4.4000 s |
| Total Impulse: | 1821.1033 Ns |
| Total Weight: | 2670.0000 g |
| Type: | Reloadable |
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