Doman LZ-5 gimballed-rotor system transport helicopter prototypes......

Caravellarella

Caravellarella

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Dear Boys and Girls, here is an article in French about the Doman LZ-5 transport helicopter prototypes which featured a gimballed and hingeless rotor system……

The article comes from the 18th July 1959 issue of Les Ailes......

Terry (Caravellarella)
 

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  • Doman LZ-5 helicopter prototype - Les Ailes - No. 1,738 - 18 Juillet 1959.......jpg
    Doman LZ-5 helicopter prototype - Les Ailes - No. 1,738 - 18 Juillet 1959.......jpg
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Hi Terry
 

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  • Scan.jpg
    Scan.jpg
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Could this be considered a first step towards 'rigid rotor' designs ??
 
Nik said:
Could this be considered a first step towards 'rigid rotor' designs ??
Click to expand...

Sorry Nik, I don't know; and I'm not really interested in helicopters anyway :eek:

Terry (Caravellarella)
 
Here an Advertisement (1957?) from Du Pont showing the helicopter Doman YH-31.
Source: https://sobchak.wordpress.com/2016/06/15/ad-dupont-doman-yh-31-1957/
 

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  • DuPont – Doman LZ-5_YH-31_Ad 1957.jpg
    DuPont – Doman LZ-5_YH-31_Ad 1957.jpg
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fightingirish said:
Here an Advertisement (1957?) showing the DuPont – Doman YH-31
Source: https://sobchak.wordpress.com/2016/06/15/ad-dupont-doman-yh-31-1957/
Click to expand...

Whoops! It's a Doman, period!

I believe that the fact that you wrote "DuPont" as one single word suggests you may have wrongly assumed some connection with the DP-2 aircraft.

Du Pont (two words) is one of the world's leading chemical companies and was merely one of the suppliers that Doman contracted with.

Thanks for the ad, anyway.
 

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