The 2437K660-17A (K660) is a 90% K 54mm 6-grain reloadable composite motor from Cesaroni Technology Incorporated (CTI).
This motor uses an E-Match igniter.
This reload fits a Pro54-6G motor case.
CTI's Classic propellant burns cleanly with a mild flame and little smoke.
| Average Thrust: | 660.5370 N | 
| Casing: | Pro54-6G | 
| Certified By: | Canadian Association of Rocketry | 
| Class: | 90% K | 
| Delays: | 7,8,9,10,11,12,13,14,15,16,17 seconds (variable) | 
| Designation: | 2437K660-17A | 
| Diameter: | 54.0000 mm | 
| Formula: | Classic | 
| Igniter: | E-Match | 
| Length: | 572.0000 mm | 
| Letter: | K | 
| Manufacturer: | CTI | 
| Name: | K660 | 
| Peak Thrust: | 1,078.9000 N | 
| Propellant: | APCP | 
| Status: | In-Production | 
| Thrust Duration: | 3.6900 s | 
| Total Impulse: | 2437.3800 Ns | 
| Total Weight: | 1949.0000 g | 
| Type: | Reloadable | 
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