Search results for query: helicopter

Hi, Mr. Maitland B. Bleecker designed a fourth helicopter Projects before he worked with Curtiss to introduce SX-5,has antone hear about them before ?. https://www.google.st/patents/US1909450?dq=maitland+bleecker+helicopter&hl=pt-PT&sa=X&ved=0ahUKEwj80OPk2MnTAhVHsBQKHTwiDVQQ6AEIIDAA

We all know that some devices to make helicopters quiet were developed and some of them tested. I am especially interested in equipment with microphones and loudspeakers, that are creating opposite sound waves to negate rotor and engine noise. Does any information exist about its using on...

The only Jovanovich helicopter I'm familiar with is the JOV-3, so this project is completely new to me. http://stingraysrotorforum.activeboard.com/t43099330/jovanovich-helicopter/

http://www.telegraph.co.uk/news/aviation/9805612/Helicopter-crashes-in-Vauxhall-central-London.html http://www.telegraph.co.uk/news/aviation/9805113/Helicopter-crash-in-London-live.html...

From USA, Nagler helicopters: the NH-120,NH-140 and NH-160 were a single seat light helicopters the Honcho 100 (cold-jet) tip driven single seat helicopter,was developed into Honcho 200, a two seat research helicopter with enclosed cabin,the Honcho 202 was a production version of 200...

Hi, in a report about Brazilian helicopter Projects; Engenharia de Helicópteros no Brasil: Introdução e Histórico, there was an attack helicopter of 1985/87 called CTA Heliat or Heliatic,and a light helicopter called AlphaOne.

Hallo, we can speak about little known helicopters and some post WW2 atogyros from many countries. from france: Aerospatiale X-380 :was a SA-365N with combined composite rotorhub/mast, 5 blade rotor and swept tips. Cantinieau-SNCASO C.100 :open frame single seat helicopter with a...

Is it likely that the Kamov and Mil names and designations will disappear in favor of a common designation for Russian Helicopters?

...aircraft used by the United States Army. The company stopped building autogyros in the late 1940s and switched to the design of helicopters. In the 1950s it built some ultra-light helicopters the RH-1 to test some rotor features and its last design the K-25 was an experimental convertiplane...

So, in 1956, Modern Mechanix had a pretty bonkers article (which MM articles weren't, though?) about "helicopter cavalry" showing a one-man tip-powered rotor ultralight helicopter as a sort of horse replacement for cavalry. The question is, was this based on any actual design concept or was it...

https://www.ebay.com/itm/End-of-World-War-LE-MONDE-iLLUSTRE-Bound-Illustrated-Magazine1921-helicopter/353179865655?hash=item523b291237:g:AmUAAOSwnfVeem-K

Hi, http://www.ssm.gov.tr/home/projects/Helicopter/ozgun/Sayfalar/IndigeniousHelicopter.aspx

Yak-EG (experimental helicopter) or "SH" as Shoutka ("Joke")

From TU issue 78, here is a De Rouge Helicopters.

Hi, the Sikorsky S-63 was developed from S-62,with a single turbine engine as a utility helicopter,only one helicopter was built. http://www.sikorskyarchives.com/S-63%20single%20turbine%20utility%20helivopter.php

Hi, I know that Higgins designed two helicopters,one was EB-1,and the other one was a project for Amphibian helicopter. http://www.trumanlibrary.org/photographs/displayimage.php?pointer=25176&people=&listid=6

Hi this helicopter was actually built,and mention in some Ecyclopedia books,the SOH-1 or Samu-Orosz-Hadhazi was a Hungarian Helicopter of 1954,page 128. http://kulturserver-nds.de/home/hubtest/medien/Neg.Nr.GUN.pdf

Hi, here is some of De Bothezat helicopters and projects. http://stingraysrotorforum.activeboard.com/t43022380/dr-george-de-bothezat-coaxial-helicopter/

I'm looking for JEHU experiments on the arming of helicopters in 50th.

Hi, the Leinweber helicopter was amazing design,powred by one 110 hp Le Rhone engine. http://www.afcaforum.com/forum1/25966.html