| Year | 1939 |
| Date | 07-Sep |
| Volume | 81 |
| Issue | 2,000 |
| Page | 301 |
| Category | Model Aeronautics |
| Part | |
| Title | "Slipstream" |
| Author | Lawrence H.Sparey |
| Notes | A Semi-scale Flying Model Biplane. Fuselage, the primary box-fuselage, top wing centre section, wings, full-size blue-prints, use of templates for making ribs, tail unit, undercarriage, noseblock |