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发帖数: 6973 | 1 The magazine published the Quarterly on Dec. 9, 2010.
(1) flapless flight
Blow me up, blow me down; Aeronautics: Aircraft that can fly without using
ailerons to control their motion would be lighter, stealthier and easier to
maintain.
http://www.economist.com/node/17647575?story_id=17647575
Note:
(a) aileron (n: French, from diminutive of aile wing)
(b) Cranfield University
http://en.wikipedia.org/wiki/Cranfield_University
(formed in 1946)
Quote: "a British postgraduate university based on two campuses, with a
research-oriented focus. The main campus is at Cranfield, Bedfordshire and
the second is the Defence Academy of the United Kingdom based at Shrivenham,
Oxfordshire. The main campus is unique in the United Kingdom for having its
own operational airport (Cranfield Airport) next to the main campus.
(c) P John, The flapless air vehicle integrated industrial research (FLAVIIR
) programme in aeronautical engineering. Journal Proceedings of the
Institution of Mechanical Engineers, Part G: Journal of Aerospace
Engineering, 224: 355-363 (2010)
http://journals.pepublishing.com/content/m9r3684g2874w026/
(d) Press release: Showcase UAV demonstrates 'Flapless Flight.' Cranfield
University, Sept. 27, 2010.
http://www.cranfield.ac.uk/news/pressreleases/2010/page50603.html
(2) turboprop
Air power on the cheap; Military technology: Small, slow but much less
costly, propeller-driven planes are starting to displace fancy fighter jets,
for a variety of reasons.
http://www.economist.com/node/17647585?story_id=17647585&CFID=151862771&CFTOKEN=96853718
Note:
(a) turboprop
http://en.wikipedia.org/wiki/Turboprop
(i) turbine (n; French, from Latin turbin-, turbo top, whirlwind, whirl,
from turba confusion — more at TURBID; First Known Use: 1842)
(ii) gas turbine
http://en.wikipedia.org/wiki/Gas_turbine
(Turboprop engines are a type of aircraft powerplant that use a gas turbine
to drive a propeller)
(a rotary engine that extracts energy from a flow of combustion gas)
(b) MX-15i, by L3 WESCAM (located in West Burlington, Ontario, Canada--part
of the Greater Toronto Area).
http://www.l-3com.com/wescam/products/products_services_1g.asp
Go to the home page and you will see in an animation where the camera is
mounted in a helicopter. |
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