Figure 3. Concordia Wing-Fuselage Intersection

The Design of a Competition Sailplane

10 responses

  1. Mike Green
    January 18, 2011


  2. Jacques Van der Kind
    January 25, 2011

    Perfect distraction during Aeronautical Engineering exam revisions! I ask for more of those!!

  3. Fabian
    March 9, 2011

    I’ve read both articles about the Concordia and they are really great. I’m making a conceptual and preliminary designing of a sailplane (Standard Class). Which can be an accurate Tail Volume coefficient for determining the Horizontal and Vertical stabilizer area, and the Root chord and so on? Raymer says 0.5 for the Horizontal and 0.02 for the Vertical, but I’m not sure about them.

    • Goetz Bramesfeld
      April 25, 2011

      I would check with Thomas' book "Fundamentals of Sailplane Design." It has a considerable number of existing gliders and their tail volumes listed and should give you a much more reliable answer than Raymer (at least for sailplanes).

  4. Karl Svatos
    March 22, 2011

    This is truly fascinating! I have been reading about aviation history. I have had an interest in aerodynamics of slow fight – Gliders – F1d etc. I was reading about the new Jonkers South African glider and the progress made since the D-36. Especially thinking of the German Akafliegs and where new ideas in slow flight aerodynamics come from ( also Delft U. ) But still it is the imagination of a few that have the heart and mind to say – perhaps there is more to be done !

    Magnificent thinking!

    Karl Svatos

  5. jean yves germain
    April 6, 2011

    When this great machine will fly?

  6. George Popa
    March 3, 2012

    I’m requesting a clear 3-view of this beautiful design in order to contribute a stainless steel wire sculpture of it to the team.

    Can make it any size between 15″ and 2 ft.

    Thermals, George.

  7. Steve Gawlik
    June 11, 2012

    Just wanted to let anybody know if they need a place to stay in Uvalde TX for the upcoming World Glider Competion I have a couple of Double wide mobile homes on my deer lease that could be available for lease. The ranch is 2500 acres and is almost straight off the runway between HWY 90 and Hwy 83. Lot’s of room for parking or to watch the competion.

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