Why? Well, it was slower than the Diamonds, was relatively small, and had a
V-tail.

What was that thing?


Probably some sort of motorglider. I've seen both pusher and tractor
prop motorgliders with a V-tail with an aft fuselage that looks like
the Diamond series.

http://images.google.com/imgres?imgu...%3Den%26sa%3DN

Harry Frey