The L1090SS (L1090) is an 83% L reloadable composite motor from Cesaroni Technology Incorporated (CTI).
This motor uses an E-Match igniter.
| Average Thrust: | 1,077.6900 N | 
| Certified By: | Canadian Association of Rocketry | 
| Class: | 83% L | 
| Delays: | Plugged | 
| Designation: | L1090SS | 
| Diameter: | 75.0000 mm | 
| Formula: | Smoky Sam | 
| Igniter: | E-Match | 
| Length: | 665.0000 mm | 
| Letter: | L | 
| Manufacturer: | CTI | 
| Name: | L1090 | 
| Peak Thrust: | 1,639.1000 N | 
| Propellant: | APCP | 
| Status: | Out-Of-Production | 
| Thrust Duration: | 4.3500 s | 
| Total Impulse: | 4687.9400 Ns | 
| Total Weight: | 5461.0000 g | 
| Type: | Reloadable | 
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