The H55W (H55) is a 25% H single-use motor from Aerotech.
Aerotech's White Lightning propellant produces a brilliant white flame and white smoke.
| Average Thrust: | 54.9730 N | 
| CSFM Classification: | High Power Model Rocket Motor | 
| Certified By: | Tripoli Rocketry Association | 
| Class: | 25% H | 
| Delays: | 6,10,14 seconds | 
| Designation: | H55W | 
| Diameter: | 29.0000 mm | 
| Formula: | White Lightning | 
| Length: | 172.0000 mm | 
| Letter: | H | 
| Manufacturer: | Aerotech | 
| Name: | H55 | 
| Peak Thrust: | 69.0000 N | 
| Status: | Out-Of-Production | 
| Thrust Duration: | 3.6400 s | 
| Total Impulse: | 200.1000 Ns | 
| Total Weight: | 140.0000 g | 
| Type: | Single-Use | 
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