wiki.keithl.com/V1FlyingZaloga
== V-1 Flying Bomb 1942-52 ==
=== Hitler's infamous "doodlebug" ===
==== Steven J. Zaloga . 2005 . 48p . 8color . Multco CEN 355.8251 Z22v 2005 ====

[[ https://en.wikipedia.org/wiki/V-1_flying_bomb | V-1 flying bomb, wikipedia ]] Fieseler Fi 103
 . 9500 fired at Britain, 2500 fired at [[ https://en.wikipedia.org/wiki/Port_of_Antwerp | Port of Antwerp ]], 9000 fired at other Belgian targets
 . 5090 reichsmarks, RM = $0.40 US (1940), $22.54(2025) = $1(1940) , 5090 * 0.4 * 22.54 = $46K(2025)
 . project Kirschkern (cherry stone)
 . guidance system two gyroscopes (pitch yaw), a magnetic compass, and a barometer
 . max speed 640 km/h, 175 m/s 
 . launch speed 320 km/h, minimum 240 km/h, rail 48m + 1m muzzle break
  . a =v^2/d ≅ 660 m/s², t = 2d/v ≅ 3 sec
  . Imagine instead launching with a trebuchet, or a falling weight and pulleys on an short tower; cheaper and easier to hide
 . 2150 kg
 .p5 [[ https://en.wikipedia.org/wiki/Argus_As_014 | pulse jet ]], simpler/cheaper than ram jet.  Grid frame of vanes and fuel injectors in front.  Shutters open in ram air flow, let in some air in parallel with fuel, mixture ignited, shutters  blown shut and hot expanded gas blown rearward 2500 pulses per minute. 31100 built
 .p10 30,257 produced 
 .p13 [[ https://en.wikipedia.org/wiki/Operation_Crossbow  | Crossbow ]] defensive air attacks 69K sorties, 122K tons bombs
 .p16 Eisenhower: if the V1 campaign had started on time at the end of 1943, it might have disrupted D-Day plans
 .p19 V-1 could be tipped over by aircraft flying alongside, then rolling 
 .p39 Copied by US, Soviet Union, France