| Year | 1957 |
| Date | 14-Feb |
| Volume | 116 |
| Issue | 2,908 |
| Page | 238 |
| Category | Internal Combustion |
| Part | |
| Title | Some interesting model petrol engines |
| Author | H.B.Upshur |
| Notes | Blue Streak, horizontal engine, 12.5 c.c. o.h.v. four-stroke, high performance 7.5 c.c. two-stroke, 8 c.c. with magneto ignition, racing hydroplane |