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PRIMARY GLIDER DRAWINGS(2)
To All:
I've started uploading drawings for the Northrup (*) primary glider, into the PRIMARY GLIDER Group on Yahoo. You will need a copy of DeltaCAD to view the drawings. A free but time-crippled copy of DeltaCAD is available from Midnight Software, the parent firm. Most of the drawings depict fittings. The main advantage of presenting them in DeltaCAD is that the drawing may be printed-out full scale, allowing the drawing to serve as a pattern. I have drawings for at least five primary gliders. Not all of them have been coverted to CAD. Indeed, two of the sets of plans were acquired more than thirty years ago. Of those that have been converted to CAD, their files are scattered and will take some time to reassemble. A primary glider is about the most basic flying machine there is. As such, their plans make excellent training material not only with regard to aeronautics but for basic construction techniques. -R.S.Hoover (*) Northrup is the seed company. After seeing primary gliders during a trip to Europe in 1929, a member of the Northrup family imported a primary glider. 'Northrup' quickly became synonymous for 'primary glider. John Northrop is the American engineer famous for his flying wings. |
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