The J340M (J340) is a 2% J reloadable composite sparky motor from Aerotech.
This reload fits an RMS 38/720 motor case.
| Average Thrust: | 298.0671 N | 
| CSFM Classification: | High Power Model Rocket Motor | 
| Casing: | RMS 38/720 | 
| Certified By: | Tripoli Rocketry Association | 
| Class: | 2% J | 
| Delays: | 2,4,6,8,10,14 seconds | 
| Designation: | J340M | 
| Diameter: | 38.0000 mm | 
| Formula: | Metalstorm | 
| Length: | 337.0000 mm | 
| Letter: | J | 
| Manufacturer: | Aerotech | 
| Name: | J340 | 
| Peak Thrust: | 606.5180 N | 
| Propellant: | APCP | 
| Status: | In-Production | 
| Thrust Duration: | 2.1900 s | 
| Total Impulse: | 652.7670 Ns | 
| Total Weight: | 577.3000 g | 
| Type: | Reloadable | 
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