On Saturday, February 21, 2015 at 4:04:19 PM UTC-5, Mike the Strike wrote:
I owned a Jantar-1 many years ago. From the weight of each wing panel, I surmise that the main spar was a steel girder, probably a recycled railway line. Modern technology enables thinner, lighter, stronger structures (and no steel girders!)

Mike

Ever rig a Diamant 16.5? The list of who has done it once is long, the list for twice+ is VERY short....
I'm on the short list (used to crew for pay & food...)