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In addition, the bombardier needed a simple method of transmitting minor course corrections to the pilot on the final approach to the target. Because doing all these computations in combat would be almost impossible, the Army Air Service needed a bombsight that could automatically perform all these calculations for the bombardier. A bombardier had to use a complex formula that incorporated the trajectories of different size bombs with the effects of altitude, airspeed, true ground speed, cross winds and other variables such as hitting a moving battleship. Any turbulence would bounce the airplane and throw off the aiming, and the bombsight needed internal stabilizers to counter the movement of the airplane.
#Norden bombsight manual download download zip#
Robin Thicke Blurred Lines Album Download Zip Sharebeast. In addition, the bombardier would have trouble seeing a small target tens of thousands of feet below, but simply using a telescope with crosshairs as a bombsight would not be enough. Even if traveling at 100 mph and only a few thousand feet above the ground, a bomb dropped just half a second too late could miss its target by hundreds of feet, and that error would be amplified by flying higher to avoid ground fire. Hitting a target with a bomb from a fast-moving airplane is a difficult task. Therefore, developing a high-altitude bombsight capable of correcting for crosswinds became an important project for the Army Air Service after the war.
Unless they flew very low over the target, a very dangerous thing to do, the bombardiers achieved only marginal results with the small bombs their airplanes could carry.
#Norden bombsight manual download serial#
The British-designed Wimperis had the reputation of only being 'better than nothing at all.' The French Michelin could not compensate for wind - forcing the pilot to fly directly into or against the wind, which made the bomber an easy target for anti-aircraft gunners.Ĭartier By Serial Number. 20, 1918 During World War I, the U.S.Īrmy Air Service used bombsights provided by the Allies. To use it even under hostile fire.' - American Expeditionary Force Booklet on High Altitude Bombsights, Aug. However, this sight must be simple enough. In order to drop a bomb so that it will strike at least in the vicinity desired, the use of a bomb sight is imperative. Lacking a stabilizer, the Mark I’s accuracy suffered from movements of the airplane in flight, but it could compensate a little for wind. After adjusting the sight for altitude and airspeed, the bombardier essentially aimed it like a rifle. During WW I, the U.S.Īrmy Air Service used the Mark I bombsight – a copy of the British Wimperis bombsight – on its DH-4s. An observer uses the Wimperis bombsight, an old type. All rights reserved.Wimpris bombsight on a DH-4. This site is protected by copyright and trademark laws under US and International law. All trade names, trademarks and manufacturer names are the property of their respective owners. Reference herein to any specific commercial products by trade name, trademark, manufacturer, or otherwise, is not meant to imply or suggest any endorsement by, or affiliation with that manufacturer or supplier.
#Norden bombsight manual download manuals#
Unable to download or view.Īircraft manuals and publications required for any reason other than historical or research purposes should be obtained from the original equipment manufacturer. The Norden bombsight was one of the most closely guarded secrets of of the US.
The Norden bombsight consisted of more than 2,000 parts such as dc motors, gears, potentiometers, clutches, levers, cams, mirrors, gyroscopes, and specialized components such as gudgeon bearings, cardans, and gimbal rings. Program De Decodat Telefoane Lg Ke 970 Gold. Available Media Printed Copy Download CD / DVD Quantity: EFM, LLC is not liable for the accuracy, effectiveness or safe use of any aircraft manual or publication and does not warrant that any aircraft manual or publication contains current revisions. On August 6, 1945, bombardier Major Thomas Ferebee used a Norden bombsight to drop the uranium bomb, Little Boy, from the B-29 Enola Gay, 31,000 feet above Hiroshima.
None were allowed to be carried on the aircraft.Ĭovers all aspects of the bombsight including M-6 stabilizer and M-3 sight. This is probably the hardest Norden manual to locate since the manuals remained restricted long after WWII.