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Author Topic: Platt-LePage XR-1 and XR-1A twin-rotor helicopters  (Read 16492 times)

Offline Platt-LePage Aircraft

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #30 on: May 04, 2017, 05:11:06 pm »
Aerofiles put that up from an email I sent them many, many, years ago.

The model on top that Dr. LePage is holding...







Haviland Platt


Popular Mechanics ran an article on the Platt Helicopter model around the summer of 1936
« Last Edit: Yesterday at 05:38:49 pm by Platt-LePage Aircraft »

Offline hesham

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #31 on: May 05, 2017, 04:12:30 am »
Wow,OHG,you made my day,thank you Platt-LePage.

Offline Platt-LePage Aircraft

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #32 on: May 22, 2017, 08:22:33 pm »
From 1936:

Offline hesham

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #33 on: May 23, 2017, 04:39:52 am »
Nice find PLATT-LePage.

Offline Platt-LePage Aircraft

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #34 on: May 23, 2017, 05:56:47 am »
There were a couple of articles from 1936 where Dr. LePage talked about this concept.

LePage became an advocate of the lateral tandem by 1937, and would remain an advocate of the lateral tandem, until the end of his life.

Haviland Platt had a pair of novel single rotor helicopter designs during WW-2 that had no tail rotor, which used a counter balance vane, but the U.S. govt. would not allow Platt-LePage to divert any resources from the XR-1 / XR-1A / YR-1A program.

Offline hesham

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #35 on: May 23, 2017, 06:11:19 am »
Thank you for the Info Platt-LePage,

and is there any chance to know PL-2,PL-5,PL-6 & PL-10 ?,and thanks.

Offline hesham

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #36 on: September 10, 2017, 02:26:14 pm »
Thank you for the Info Platt-LePage,

and is there any chance to know PL-2,PL-5,PL-6 & PL-10 ?,and thanks.

I hope to know more about those Projects.

here is a strange ten-passenger transport autogiro Project of 1933.

http://archive.aviationweek.com/image/spread/19331101/5/2

Offline Platt-LePage Aircraft

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #37 on: September 10, 2017, 05:45:57 pm »
The PL-5 was the XR-1A.
The PL-6 and PL-10 were design studies for a single rotor helicopter with no tail rotor.
The PL-10 Utility/Liaison Helicopter came very close to being built, but the military would not allow Platt-LePage to divert any construction work, or materials from the XR-1A / YR-1A project.

The LePage LTA-1 Autogiro predated Dr. LePage's longtime collaboration with Haviland Platt.
Laurence LePage laid out a design study for a large sized autogiro, (For its time) with the depth of the economic depression going on in the early 1930s, there was no chance of this ever being built.




Offline hesham

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #38 on: September 11, 2017, 03:47:56 pm »
Many thanks to you my dear Platt-LePage,

and please what was the PL-2 & PL-7 ?.

Offline RAP

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #39 on: July 28, 2018, 07:15:01 pm »
Aviation News 1944.

Offline Platt-LePage Aircraft

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #40 on: August 07, 2018, 06:12:56 pm »
That was the first photograph of the XR-1A, that the Air Corps allowed to be released shortly after the XR-1A was delivered to Wright Field.

Offline hesham

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #41 on: August 08, 2018, 06:44:20 am »
Many thanks to you my dear Platt-LePage,

and please what was the PL-2 & PL-7 ?.

Please can you tell us about them,and thanks.

Offline Platt-LePage Aircraft

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #42 on: August 09, 2018, 05:29:32 am »
PL-7 was the YR-1A.

Seven helicopters were contracted for, and were partially completed at the time of contract cancellation.

The YR-1A's would have been some what different from the XR-1A.


Offline hesham

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #43 on: August 09, 2018, 05:44:19 am »
Amazing Info dear Platt-LePage,

and what about PL-2 ?,and thanks.

Offline Platt-LePage Aircraft

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Re: Platt-LePage XR-1 and XR-1A twin-rotor helicopters
« Reply #44 on: August 09, 2018, 05:58:32 am »
Let's just say that the Platt-LePage Aircraft Company, and it's serious design work began with the machine that became the XR-1.

« Last Edit: August 09, 2018, 06:02:08 am by Platt-LePage Aircraft »