The 1/4A2 is an 82% 1/4A single-use motor from Apogee.
| Average Thrust: | 2.4770 N | 
| Certified By: | National Association of Rocketry | 
| Class: | 82% 1/4A | 
| Delays: | 2,4 seconds | 
| Diameter: | 11.0000 mm | 
| Length: | 38.0000 mm | 
| Letter: | 1/4A | 
| Manufacturer: | Apogee | 
| Name: | 1/4A2 | 
| Peak Thrust: | 5.4000 N | 
| Status: | Out-Of-Production | 
| Thrust Duration: | 0.2300 s | 
| Total Impulse: | 0.5700 Ns | 
| Total Weight: | 3.6000 g | 
| Type: | Single-Use | 
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