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Veteran Member - Level 2

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Date: Jun 15, 2010
Gyrodyne
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Gyrodyne GCA-2
Gyrodyne GCA-2A "Helidyne"
Gyrodyne GCA-2C
Gyrodyne GCA.3 Civil�Convertiplane
Gyrodyne�GCA.12
Gyrodyne GCA-24
Gyrodyne GCA.32 Military Convertiplane
Gyrodyne�GCA.35 "Gyroliner"
Gyrodyne YRON-1 "Rotorcycle"
Gyrodyne QH-50


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Posts: 281
Date: Sep 27, 2010
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Hi,

GCA.5,GCA.7 and GCA.59 please see;
GCA.8 Gyroliner.
GCA.9 a developed from Helidyne transport for feeder liner.
GCA.21 was a freighter rotorcraft.
GCA.22 & GCA.23 was Observation/Liaison helicopter projects.
GCA.33 as mentioned by Stargazer.
GCA.41 & GCA.55 XRON-1.


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hesham


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Date: Sep 27, 2010
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Let me do a recap at this stage. Some of these still need a confirmation. Note that Hesham got it wrong over the GCA-55 designation:
  • GCA-2. All-metal helicopter with coaxial twin rotor layout, with a five-seat cabin and a rounded fuselage with twin fins
  • GCA-2A HELIDYNE. Same helicopter modified with twin 100hp Continental auxiliary engines mounted externally on strutted outriggers to give additional forward speed
  • GCA-2B. Compound helicopter which performed demonstrated flights for 7 Air Force pilots
  • GCA-2C. Further development convertible to an ambulance with three litters; one P&W R-985 engine rated at 450 hp
  • GCA-3 CONVERTIPLANE. Proposed evelopment of the GCA-2 as an air bus of the future with crew of two, and 16 troops or 12 stretcher cases
  • GCA-5 GYRODYNE. Three-place single-engine, single-rotor helicopter project with a tail rotor that swiveled laterally to serve as a pusher prop
  • GCA-7 HELIDYNE. Proposed version that was to have a wing, as well as two O-200 pushers, apparently never built
  • GCA-8 GYROLINER?
  • GCA-9 FEEDERLINER
  • GCA-12. Possibly a convertiplane project with coaxial rotors
  • GCA-21. Freighter rotorcraft
  • GCA-22. Observation/liaison helicopter project
  • GCA-23. Observation/liaison helicopter project
  • GCA-24 HELIDYNE?
  • GCA-32 MILITARY CONVERTIPLANE. high-speed convertiplane proposed for USAF
  • GCA-33. Small coaxial helicopter project
  • GCA-35 GYROLINER. Convertiplane designed to carry 50 passengers and fly at a speed of better than 450 km per hour
  • GCA-41 ROTORCYCLE. Simple one-man co-axial portable helicopter intended for use by the USMC for observation, liason and small-unit tactical manuvres as XHOG-1 > XRON-1
  • GCA-41A ROTORCYCLE. Preseries batch of YRON-1 with a Porsche YO-95-2 engine
  • GCA-41B ROTORCYCLE. One XRON-1, serial 4002, converted with a Solar T62 turboshaft engine
  • GCA-55. Single-seat ground cushion tested by the Navy's BuAer of the annular jet type, powered by a 72 h.p. Porsche four-cylinder engine
  • GCA-59 ROTORCYCLE. Second YRON-1 preseries batch with Porsche YO-95-2 engine; one of these was also converted with a Solar T62 engine
  • GCA-63? DASH. Unmanned drone derivative of Rotorcycle used by US Navy as the DSN > QH-50A (DASH = destroyer anti-submarine helicopter)
  • GCA-63?DASH. Production version designated QH-50C with one T50-BO8A turboshaft, rated at 243 kW


-- Edited by Stargazer2006 on Tuesday 5th of October 2010 08:17:35 PM

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Stéphane



Former Deputy Administrator

Posts: 897
Date: Oct 5, 2010
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I have considerably enriched the Gyrodyne model list above, so please take a look!

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Stéphane



Veteran Member - Level 2

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Date: Nov 10, 2010
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Incredible list Stargazer!! Good job!

And didn't Gyrodyne design a military attack convertiplane? No I'm not talking about the military transport.



-- Edited by Sarah on Wednesday 10th of November 2010 07:33:24 PM



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Love is the best medicine, and there is more than enough to go around once you open your heart.

-Julie Marie


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Date: Nov 10, 2010
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By the way,

GCA.8 Gyroliner was 56 passenger as a scale-up version of Helidyne,
and the engines were to be placed on stub wings and fitted
with propellers,estimated speed 451 km/h.

GCA.35 Gyroliner was convertiplane,it was to have wings and aircrews
on either site and the rotary wing was to have two a coaxial
contra-rotating two bladed rotors,estimated speed 370 km/h.


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hesham
555


Former Deputy Administrator

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Date: Nov 20, 2010
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hesham wrote:

GCA.8 Gyroliner was 56 passenger as a scale-up version of Helidyne, and the engines were to be placed on stub wings and fitted with propellers,estimated speed 451 km/h.


 

Is hard trying to find this one! I can olny find a mention of it here:

http://www.collectionstrust.org.uk/aircraft/8691.htm



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Yippie Kai Yay, Mr. Falcon.



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Posts: 3381
Date: Jan 2, 2011
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Sarah wrote:

And didn't Gyrodyne design a military attack convertiplane? No I'm not talking about the military transport.



Never.



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Veteran Member - Level 3

Posts: 403
Date: Jan 2, 2011
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Don't answer too quickly, I recall a sort of troop-carrying gunship based on the GCA-32 platform, but it could have been a short design study.

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Veteran Member - Level 3

Posts: 281
Date: Feb 13, 2016
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Hi,

here is a Gyrodyne GCA.5 Helicopter Project.

https://books.google.com.eg/books?id=HwhQK2taIRsC&pg=PA32&dq=burke+wilford+rotor&hl=ar&sa=X&ved=0ahUKEwiVy4fI2vTKAhXHnRoKHWZ7DvQQ6AEIWjAJ#v=onepage&q=burke%20wilford%20rotor&f=true



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hesham


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Date: Feb 14, 2016
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Info about GCA.5 & GCA.32



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hesham
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