T' 2021K261-P (K261) is a 59% K 54mm 5-grain reloadable composite motor from Cesaroni Technology Incorporated (CTI).
This motor uses a Dipped E-Match igniter.
This reload fits a Pro54-5G motor case.
CTI's White propellant produces a white flame and little smoke.
| Average Thrust: | 225.9655 N | 
| Casing: | Pro54-5G | 
| Certified By: | Canadian Association of Rocketry | 
| Class: | 59% K | 
| Delays: | Plugged | 
| Designation: | 2021K261-P | 
| Diameter: | 54.0000 mm | 
| Formula: | White/Long Burn | 
| Igniter: | Dipped E-Match | 
| Length: | 488.0000 mm | 
| Letter: | K | 
| Manufacturer: | CTI | 
| Name: | K261 | 
| Peak Thrust: | 359.3480 N | 
| Propellant: | APCP | 
| Status: | In-Production | 
| Thrust Duration: | 8.9800 s | 
| Total Impulse: | 2029.1700 Ns | 
| Total Weight: | 1931.7000 g | 
| Type: | Reloadable | 
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