| Year | 1943 |
| Date | 18-Nov |
| Volume | 89 |
| Issue | 2,219 |
| Page | 491 |
| Category | Aeronautical |
| Part | |
| Title | The Dethermaliser |
| Author | R.H.Warring |
| Notes | A device for controlling duration flying of model aeroplanes. weathercock, spiral flight given by off-set rudder, spoiler, spinning-weight, variable wing incidence to give "mushing" descent, downward deflected elevators, split elevator air-brake, wing flaps, hinged cabin air-brake, split fin (operating both sides or only one side) |