AKA just "Demon."
| CP Method: | Rocksim/Rocksim |
| CP Position From Front: | 22.92 inches |
| Designer: | Wayne Kellner |
| Diameter: | 1.33 inches |
| Main Body Tube: | BT-55 |
| Main Nose Cone: | BNC-55AM |
| Manufacturer: | Estes ![]() |
| Model: | 1258, K-58 |
| Power: | Low-Power |
| Product Type: | Kit |
| Production Years: | 1971-1975 |
| Recommended Motors: | B14-6, B6-4, C6-5, D12-7 |
| Recovery: | Parachute |
| Status: | Out-Of-Production |
| Style: | Payload |
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