Re: [Flightgear-devel] Gold mine of helicopter airfoil data

2007-01-03 Thread Heiko Schulz
Hi,

Real nice. But from 1976 - newer one would be good
too!
But Maybe this will lead to some nice helos!

Greets
HHS
--- Joacim Persson [EMAIL PROTECTED] schrieb:

 Thought I'd share this find -- discovered it just
 now:
 http://ntrs.nasa.gov/
 Document-ID: 19770018207
 Title: US Army helicopter design datcom. Volume 1
 Airfoils
 Author: Leo Dadone
 Abstract:
   This report contains airfoil data of interest for
 rotor
   applications. The data is presented in the form of
 lift, drag, and
   pitching moment coefficients and, in most cases,
 it covers the
   complete Mach number range from low subsonic to
 supercritical flow
   conditions. An introductory section presents
 airfoil data trends
   and information pertaining to the source and
 usefulness of such
   data.
 
 The pdf is 19MB
 
 No traces of a volume 2 at NTRS. Maybe there never
 was one.
 

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Re: [Flightgear-devel] Gold mine of helicopter airfoil data

2007-01-03 Thread Joacim Persson
On Wed, 3 Jan 2007, Heiko Schulz wrote:

 Hi,

 Real nice. But from 1976 - newer one would be good
 too!

If there is a volume 2 somewhere...

Leo Dadone is a Boeing guy btw, so I suspect the 40-some listed airfoils
should at least cover the Boeing rotorcrafts up to 1977. Many of the
airfoils listed are regular NACA airfoils that probably are documented
elsewhere too. Nice to have them in one file though, even if it is a bit
big.

Now excuse me, I have to drool over the VR-7 and VR-8 data for a while. =)

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Re: [Flightgear-devel] Gold mine of helicopter airfoil data

2007-01-03 Thread GWMobile
Look for the naca files on the internet to find them all in a better 
format.
I think they actually have them in database or spreadsheet form 
somewhere unless they have gotten rid of it.

On Wed, 3 Jan 2007 12:24 pm, Joacim Persson wrote:
 On Wed, 3 Jan 2007, Heiko Schulz wrote:

  Hi,

  Real nice. But from 1976 - newer one would be good
  too!

 If there is a volume 2 somewhere...

 Leo Dadone is a Boeing guy btw, so I suspect the 40-some listed 
 airfoils
 should at least cover the Boeing rotorcrafts up to 1977. Many of the
 airfoils listed are regular NACA airfoils that probably are documented
 elsewhere too. Nice to have them in one file though, even if it is a 
 bit
 big.

 Now excuse me, I have to drool over the VR-7 and VR-8 data for a while. 
 =)

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