| Designer: | Bill Simon | 
| Diameter: | 1.33 inches | 
| Main Nose Cone: | BNC-50Y | 
| Manufacturer: | Estes  | 
| Model: | 1238, K-38 | 
| Motor Size: | 18 millimeters | 
| Plan (JimZ): | http://www.spacemodeling.org/jimz/k-38.htm  | 
| Power: | Low-Power | 
| Product Type: | Kit | 
| Production Years: | 1969-1981 | 
| Recommended Motors: | A8-0/A5-4, A8-0/B6-6, A8-0/C6-7, B14-0/A5-4, B14-0/B6-6, B14-0/C6-7, B6-0/A5-4, B6-0/B6-6, B6-0/C6-7, C6-0/A5-4, C6-0/B6-6, C6-0/C6-7 | 
| Recovery: | Parachute | 
| Status: | Out-Of-Production | 
| Style: | Multi-Stage, Payload | 
 Johnny Rocket Gallery - The ReAvenger Saga
 Johnny Rocket Gallery - The ReAvenger Saga
An article about using the Avenger to experment with a new way to ensure that the second stage of a rocket ignites before the first stage falls away.
 The Rocketry Forum - Estes Avenger Build
 The Rocketry Forum - Estes Avenger Build
The actual build is not described in much detail in this thread, but there are a number of excellent photographs of the rocket being painted and of the completed rocket.
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