The I400 is a 36% I unknown composite motor from Contrail.
| Average Thrust: | 433.6180 N | 
| Certified By: | Tripoli Rocketry Association | 
| Class: | 36% I | 
| Delays: | 1000 seconds | 
| Diameter: | 38.0000 mm | 
| Length: | 914.4000 mm | 
| Letter: | I | 
| Manufacturer: | Contrail | 
| Name: | I400 | 
| Peak Thrust: | 898.1990 N | 
| Propellant: | APCP | 
| Status: | In-Production | 
| Thrust Duration: | 1.0000 s | 
| Total Impulse: | 433.6180 Ns | 
| Total Weight: | 925.0000 g | 
| Type: | Unknown | 
![]()  | 
        ![]()  | 
      
![]()  | 
              ![]()  |