Field service pocket book, 1914 / General Staff, War Office.

Date:
[1914]
Catalogue details

Licence: In copyright

Credit: Field service pocket book, 1914 / General Staff, War Office. Source: Wellcome Collection.

    347/372 (page 315)
    2/ / APPENDIX VIII. AERONAUTICAL TERMS AND THEIR MEANING. Defimtio.ns. ^ fl.viiig machine heavier than air. ... Tlie pilot or driver of an aeroplane ... An aeroplane witli two seta of main planes one above the other. ... Supports for the engine. ... Tile outrigger or framework connecting tiie main planes with the tail-piece or with the elevator ••• An aeroplane with one set of main planes. ... The car of a balloon or dirigible. An enclosed , , shelter for the pilot of a biplane. Staggered plane.s ... A biplane or triplane in which the upper planes are „ „ set in advance of the lower. Tail-plane or Ein- ptuinage ... ... Supporting surfat-es composing the tail, irw-tor niachine ... An aeroplane having its propeller in front. An aeroplane with three sets of main planes one , above the other. Under - carriage or landing chassis... Wheels, skids, wires and struts under the Iwidy. I. Aeroplane ... Aviator Hiplane Engine bearers Fuselage Monoplane ... Nacelle COM.MON E.XPRES.?I0N’S. 2. A machine “ rising ” is said to be climbing.” A machine descending without the engine riiiining is s.'iid to be “gliding” or “ volplane. A machine descending too steeply is said to be divinir” or “ vol pique. A niachine descending too flat and so losing flying speed is said to lie “ doing a pancake.” - n r A machine “ tanking” describes the angle taken up bytlie planes when turning. .1 i Balloo.v Term.s. 8 Kigid A term applied to a dirigible tialliHin whose envelope i» provided with a stiff framework to keep it in shape Semi rigid ... A term applied to a dirigible l«lloon which maintains'its sliaiie partly by the assistance of a suitable frame- work.