V1 and V2 close up
Attachment 131351Attachment 131352Attachment 131353Attachment 131354Attachment 131355Attachment 131356Attachment 131357Attachment 131358Attachment 131359 Yet more photo's from RAF Hendon, The V-1 was designed under the codename Kirschkern (cherry stone) by Lusser and Gosslau, with a fuselage constructed mainly of welded sheet steel and wings built of plywood. The simple, Argus-built pulse jet engine pulsed 50 times per second, and the characteristic buzzing sound gave rise to the colloquial names "buzz bomb" or "doodlebug" (a common name for a wide variety of insects). It was known briefly in Germany (on Hitler's orders) as Maikäfer (May bug) and Krähe (crow), The V-2 (A-4) was guided by four external rudders on the tail fins, and four internal graphite vanes at the exit of the motor. The LEV-3 guidance system consisted of two free gyroscopes (a horizontal and a vertical) for lateral stabilization, and a PIGA accelerometer to control engine cutoff at a specified velocity. The V-2 was launched from a pre-surveyed location, so the distance and azimuth to the target were known. Fin 1 of the missile was aligned to the target azimuth.
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