The M685W-PS (M685) is a 39% M reloadable composite motor from Aerotech.
This reload fits an RMS 75-7680 motor case.
Aerotech's White Lightning propellant produces a brilliant white flame and white smoke.
| Average Thrust: | 593.4291 N | 
| Casing: | RMS 75-7680 | 
| Certified By: | Tripoli Rocketry Association | 
| Class: | 39% M | 
| Delays: | Plugged | 
| Designation: | M685W-PS | 
| Diameter: | 75.0000 mm | 
| Formula: | White Lightning | 
| Length: | 936.0000 mm | 
| Letter: | M | 
| Manufacturer: | Aerotech | 
| Name: | M685 | 
| Peak Thrust: | 1,380.0120 N | 
| Propellant: | APCP | 
| Status: | In-Production | 
| Thrust Duration: | 11.9940 s | 
| Total Impulse: | 7117.5889 Ns | 
| Total Weight: | 7008.0000 g | 
| Type: | Reloadable | 
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