Search results for query: helicopter

I guess they'll be selling them F135 technology next? http://arstechnica.com/tech-policy/2012/07/how-us-software-ended-up-in-chinese-assault-helicopters/

https://www.aerosociety.com/media/15007/paper-2020-05-westland-and-the-attack-helicopters-from-lynx-to-apache.pdf Research paper published in The Journal of Aeronautical History by Dr R V Smith FRAeS and J P Graham FRAeS on Westland and the Attack Helicopter - from Lynx to Apache. Check out...

Hi, here is some early Hiller helicopters; http://books.google.com.eg/books?id=1t8DAAAAMBAJ&pg=PA73&dq=rotary-wing&hl=ar&ei=Q5UiTP6rCdqHOKTm0LwF&sa=X&oi=book_result&ct=result&resnum=4&ved=0CDQQ6AEwAw#v=onepage&q=rotary-wing&f=true and the incredible,the helicopter tug...

Hi, the Doman D-10 was a Project for small two-seat helicopter,powered by one Allison 250 turbine engine,the D-10B was only built.

Hi, The Kellett K-17 was experimental helicopter and had gas-turbine- powered,cold cycle and tip jet,the engine was Turbomeca Turmo of 400 hp.

From Flying Review 6/1957, here is the Polish Gigant-2,a single seat ramjet powered helicopter.

Hi, Here is an early Czech helicopter projects,from 4 designers,Novakovym,Tucek, Formanek and Haller,the later was famous for his early light aircraft,H-8 and H-9,his design consider a VTOL aircraft. http://www.vrtulnik.cz/

Hi, in the late of 70s,Hughes developed the VHLH very-heavy-lift helicopter, This helicopter, having a gross weight of about 270,0001b powered by four low-bypass- ratio Pratt & Whitney F-100 or G.E. F-101 engines, was designed to carry the 60-ton XM-1 Main Battle tank for a distance of 100...

Hi, the famous Diamond Aircraft Industries Co. is designed the Dart-280,it is a four-seat light-single piston engine helicopter Project. https://en.wikipedia.org/wiki/Diamond_DART_280

Hi, Also from flickr site,the Lockheed (Vega) V.307 was a single- seat helicopter. http://www.flickr.com/photos/sdasmarchives/4589897709/

apologies, i know unidentified/unknown type postings are generally annoying, as they don't seem to fit into any main category, here are a few 'possible' Westland? designs for helicopter types ... ref. Napier Gazelle brochure illustration, note lower two 'proposed installation' helicopter designs ...

Hi, Mr. G. Zanni made a patents in Italy,France and UK,I don't know his nationality,and he had a strange helicopter Model; http://www.avia-it.com/act/biblioteca/periodici/PDF%20Riviste/Ala%20d'Italia/L'ALA%20D'ITALIA%201925%2002.pdf

Hi, in Flightglobal,they mentioned in 1975 the Enstrom Model-800,which was twin engined (Allison) and five-seat helicopter project,did anyone hear about it before ?. http://www.flightglobal.com/pdfarchive/view/1975/1975%20-%200177.html?search=vought%20projects

Around the time American Helicopter Co. was bought by Fairchild (April 1954), the company worked on a transport helo for the US Army (payload 3 tonnes). At the tips of the four rotor blades have to be so-called 'power packages' (pulso jets). What happened to this design? Any idea of the...

The "heavy" advanced helicopters of the 1950s could very well have been in WWII. This is not crazy talk. The H-34 Choctaw had a single R-1830 radial powering it -- the same engine that powered the: DC-3/C-47 B-17 SBD Dauntless Biggest issue is that helicopters were very much in the...

A few years ago I read somewhere that someone was researching for a book on British secret helicopter projects. I think this was at about the same time as a lot of material from the Westlands archive appeared. Memory is probably playing tricks, but this would certainly be a very welcom edition...

Hi, here is a Manzolini-Bordoni BGM2 coaxial helicopter,it was from Italy. http://www.avia-it.com/act/biblioteca/periodici/PDF%20Riviste/Ala/L'Ala%201950%2005.pdf http://www.sim-outhouse.com/sohforums/showthread.php?17-The-Ongoing-Mystery-Aircraft-Thread-Part-Deux/page484

Hi, the Sikorsky S-53 was a four-seat light utility and resuce helicopter,intended to be XHJS-1 to compete Piasecki XHJP-1,it was actually built and flown. http://www.sikorskyarchives.com/S-53%20(U.S.Navy%20(%20XHJS-1).php

Hi, of course all of us know this helicopter and its story,which later became the EC-120, and early concepts are here; http://www.flightglobal.com/pdfarchive/view/1989/1989%20-%202113.html http://www.flightglobal.com/pdfarchive/view/1990/1990%20-%200541.html

Hi, here is a Arthur Erritt Holbrook Airplane-Helicopter patent of 1910. http://www.aerofiles.com/_h.html http://freepages.rootsweb.com/~cappscreek/history/aeroplane.html