The 229H255-14A (H255) is a 33% H 29mm 4-grain reloadable composite motor from Cesaroni Technology Incorporated (CTI).
This motor uses an E-Match igniter.
This reload fits a Pro29-4G motor case.
CTI's White Thunder propellant produces a white flame and light gray smoke.
| Average Thrust: | 227.0203 N | 
| Casing: | Pro29-4G | 
| Class: | 33% H | 
| Delays: | 5,7,9,11,14 seconds | 
| Designation: | 229H255-14A | 
| Diameter: | 29.0000 mm | 
| Formula: | White Thunder | 
| Igniter: | E-Match | 
| Length: | 231.0000 mm | 
| Letter: | H | 
| Manufacturer: | CTI | 
| Name: | H255 | 
| Peak Thrust: | 345.0000 N | 
| Propellant: | APCP | 
| Status: | Unknown | 
| Thrust Duration: | 0.9360 s | 
| Total Impulse: | 212.4910 Ns | 
| Total Weight: | 232.0000 g | 
| Type: | Reloadable | 
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