The 164H90-12A (H90) is a 3% H 29mm 3-grain reloadable composite motor from Cesaroni Technology Incorporated (CTI).
This motor uses an E-Match igniter.
This reload fits a Pro29-3G motor case.
CTI's Classic propellant burns cleanly with a mild flame and little smoke.
| Average Thrust: | 88.7000 N | 
| Casing: | Pro29-3G | 
| Certified By: | Canadian Association of Rocketry | 
| Class: | 3% H | 
| Delays: | 3,5,7,9,12 seconds (variable) | 
| Designation: | 164H90-12A | 
| Diameter: | 29.0000 mm | 
| Formula: | Classic | 
| Igniter: | E-Match | 
| Length: | 187.0000 mm | 
| Letter: | H | 
| Manufacturer: | CTI | 
| Name: | H90 | 
| Peak Thrust: | 155.0000 N | 
| Propellant: | APCP | 
| Status: | In-Production | 
| Thrust Duration: | 1.8500 s | 
| Total Impulse: | 164.0960 Ns | 
| Total Weight: | 190.0000 g | 
| Type: | Reloadable | 
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