Search results for query: helicopter

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.

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/

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, 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

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/

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...

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...

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, 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

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, 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

From Krila 5/1983, Mr. Vinko Kristan was a Slovenian,and between 1920 and 1925,he designed and built a helicopter,but it didn't capable to fly well.

From Krila 1-2/1957, I can't ID this two helicopters,the first was familiar,and they mentioned the world krakov,is that mean Kharkov ?,who can help ?.

Hi, the Phoenix company from UK created anew project in 1916,it was twin-rotor helicopter, intended to use for observation platform. http://flyingmachines.ru/Site2/Crafts/Craft29856.htm

The VERTIFLITE January/February 2012 issue featured a special about the spanish helicopter industry, including an article, written by Erasmo Pinero, Jr., about Federico Cantero Villamil. This spanish helicopter pioneer, living from 1874 to 1946, started his work on rotorcraft in the late ‘20s...