Hi gérard,

Great helicopter. Nice addon to flightgear.
By the way: Watching the HUP I got aware, that there is a problem with 
the animation of the flapping angle of the blades. The problem is the 
missing documentation of the output of the the rotor simulation in the 
property tree. If position-deg is 0, then the blade is pointing 
backwards (and to be honest, I thought it means it points forward :-(   )
The animation assumes, that position-deg == 0 means the blade is 
pointing forward. Therefore the tilting of the rotor seem to be 
inversed. The rotation needs a 180deg offset. (by adding another 180deg 
offset to the yasim-xml file (phi0 = "0") the starting position of the 
rotor would remain the same).
The same is necessary at the H-21.

I think I need to improve the documentation in that point...

Maik

gerard robin schrieb am 12.11.2007 02:48:
> Hello
>
> An other model of an ancestor helicopter, the HUP Retriever ,which was 
> developed by Piasecki, is available on CVS.
> It was a rescue helicopter, with To provide rescue without crew assistance, a 
> door (under the copilot seat) , available after folding the copilot’s seat 
> forward, opened through which a rescue sling could be lowered from an 
> overhead winch. 
> That helicopter was used by the U.S. Navy and Army (from 1949 to 1964), it 
> was 
> also delivered to the Canadian and French Navies (in service from  1953 to 
> 1965)
>
>
> The model is under construction.
> The FDM is a guess.
> Mainly to do:
>  -the instruments, 
>  -the landing gear animations
>  -liveries variant
>
> Here  snapshots
> http://pagesperso-orange.fr/GRTux/HUP-img1.jpg
> http://pagesperso-orange.fr/GRTux/HUP-img2.jpg
>
>
> Cheers
>
>   


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