At 11:22 PM 25/04/2012, you wrote:

Gliders, in comparison to say modern airliners are relatively simple machines - just ask the boys in South Africa who developed the JS1.They are reputed to have put in over 70,000 total hours to get to official Type Approval!


I'm not sure what this has to do with anything but that number of hours may be right including all R&D, setting up a production facility etc. including dealing with the bureaucrats. That's 35 to 40 people for a working year or 7 to 8 people for 5 to 6 years. Sounds about right. Last I heard they were still getting screwed by the Europeans over EASA certification. From their website http://www.jonkersailplanes.com/index.php?pageid=84
Read between the lines.

An established glider factory would take far fewer man hours to bring out a new design.

Also there's this about certification :

http://www.flightglobal.com/news/articles/aero-2012-slash-new-aircraft-costs-to-lure-pilots-says-gama-371036/

Can't say a bureaucrat's OK is worth much to me.


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