The K475 is a 90% K reloadable composite motor from Ellis Mountain.
| Average Thrust: | 442.6860 N |
| Certified By: | Tripoli Rocketry Association |
| Class: | 90% K |
| Delays: | 14 seconds |
| Diameter: | 54.0000 mm |
| Length: | 663.6000 mm |
| Letter: | K |
| Manufacturer: | Ellis Mountain |
| Name: | K475 |
| Peak Thrust: | 797.1570 N |
| Propellant: | APCP |
| Status: | Out-Of-Production |
| Thrust Duration: | 5.5000 s |
| Total Impulse: | 2434.7700 Ns |
| Total Weight: | 2168.0000 g |
| Type: | Reloadable |
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