Hangar Flying

Hangar Flying => Hangar Flying => Topic started by: el guapo on October 05, 2010, 05:35:16 PM

Title: looking for a few good airfoils
Post by: el guapo on October 05, 2010, 05:35:16 PM

I've been absolutely stonewalled by the lack of information concerning roncz design sources. where, for instance did staggerez guy obtain the coordinates to build his dihedral canard? I mean really,consider for example the UIUC airfoil database where you can't download a PDF file, just some other files you need special software to even open much less plot whatsup with these propeller beanie longhairs? any help?

Title: Re: looking for a few good airfoils
Post by: Joe Person on October 08, 2010, 12:48:17 AM

I would expect that the late, great (in so many ways) Mr. Steve Wright (the "Stagger EZ" guy...) consulted with others in the greater canard community to obtain the necessary Roncz canard engineering data/drawings (perhaps he even bought the plans for the Roncz canard from Rutan Aircraft directly and worked from that starting point, as Rutan sold those plansets for many years after he ceased airplane plan sales in 1985).  From experience, none of the many talented designers I have met in the aerospace field (including several of the canard-oriented engineers/aerodynamicists) fit the stereotype of "propeller beanie longhairs".

Regarding the net amalgamation of design data for the Roncz, remember that the design was contracted for and paid for by Rutan when working towards an improved canard airfoil for the Long-EZ.  I would not chalk the relative challenge of getting the necessary design data (airfoil profiles, etc.) to some stingy designer.  With the proper approach, someone may offer to help you acquire said information.

-Another "Propeller Beanie Longhair" (with an optimized propeller and high strength-to-weight beanie...),