The K555SK (K555) is a 2% K reloadable composite sparky motor from AMW.
| Average Thrust: | 560.6730 N |
| Certified By: | National Association of Rocketry |
| Class: | 2% K |
| Delays: | 1000 seconds |
| Designation: | K555SK |
| Diameter: | 54.0000 mm |
| Length: | 492.0000 mm |
| Letter: | K |
| Manufacturer: | AMW |
| Name: | K555 |
| Peak Thrust: | 936.4680 N |
| Propellant: | APCP |
| Status: | Out-Of-Production |
| Thrust Duration: | 2.3400 s |
| Total Impulse: | 1309.7300 Ns |
| Total Weight: | 1737.0000 g |
| Type: | Reloadable |
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