52 DICTIONARY OF AVIATION
carrying-surface 'kaezi-ir),SBzfis n. a surface for carrying or supporting a flyingsmachine in the air; a supporting^ surface.
caster-wheel 'ka:-staz,umi n. [also spelt castor*wheel\ a chassis^iuheel or skids=u)heel mounted en a vertical pivot lo- cated considerably in front of the bearmg^peint of the tire of the uuheel, so that the uuheel turns automatically as the course of the vehicle changes.
Castor 'ka:-st9z n.
Castor and Pollux, Saint Elmo's fire; cerposant.
catamaran 'ksetams^aen n. a raft^like airship or aircraft having two elongated gas-vessels longitudinally parallel to each other, with the car and propelling-apparatus between them.
catamaran kite, a double kite whose parts are arranged like those of a catamaran.
catapult 'kat3 7 pAlt n. an apparatus in which a falling weight actuates a rope which polls an aeroplane flying^ machine along a starting^rail and thus enables it to launch itself into the air; a starting^dernck; a launching-derrick ; a pylen.
cat's-nose 'kaets,nooz n.
1. (in England) a strong, cool, dry northwest wind which poshes under and lifts up a warmer southwest wind.
2. (in England) the cloud in front of such a wind. cat's-tail 'kaets^eel n. cirrus cloud; curl-cloud.
cattail 'kaet,teeJ n. cat's-tail cloud; a cirrus cloud; a curl^ cloud.
cauliflower 'kci-h^ftau-az n. a volcanic or other cloud hav- ing the form of a cauliflower.
cavitation ,k9evi'tee-$3n n. the formation of cavities or holes within an agitated fluid; the action of a fluid, when streaming past a solid body such as a screw propeller, of ceasing to fellow the surface of that body and becoming discontinuous with itself.
cell sel n. a bex^like structure consisting of upper, lower, and side planes, as a box kite or in the tails or other aero- foils of some aeroplane flying-machines, used to afford lateral and longitudinal stability.
cellular 'selio-tez adj. celWike; consisting of cells or small bex-like compartmens : as, Hargrave's *cellular kites ; a
- cellular tail.
center 'sentaz n. the middle point; the point or position of equilibrium of a body.
center of balance, the center or point at which an aero- foil must be supported in erder to remain balanced, or in
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