Recently I have in my blog on the newly prepared and approved launch site Rosenberg at Kobern-Gondorf written on the Mosel. Yesterday I was even on the ground and have him take a close look and even start a first test flight. Sorry, there was the rather disappointing (almost pure sliding), which was with the little bit too much to expect from the southeast wind, but coming from the side. However, the trip has already revealed some things not with a clear photo and Google-Map-study recognizes so impressive. Most of it has dampened my euphoria born of the theory for the new launch site earlier. (For Photo: Jens P., who was a "Local" Kobern-Gondorf instrumental in the development of the Rosenbergs as a flying mountain, enjoys the view from the launch site over the Moselle Valley. The landing site is located 700 meters off direction. The meadows on the other side of the Moselle are approaching! Clicking the image gives a larger view.)
The biggest disappointment was the landing site. That one is quite comfortable in size, a long final approach allows parallel to the Mosel (against the prevailing wind direction) and you can park right next to it. But the good piece of over 700 meters distance away from the launch site. In direct descent, it is easy to reach. But who is looking for thermals on the slope in elevation, it's amazing to think of the early landing. Quickly, one is forced from the slope and its potential to solve updraft band. The effective in thermals available 'safe working height "of the Rosenbergs is then quite small. Who is ausreizt all downwind and passed down unexpectedly, is immediately forced to fly closer to the meadow on the other (!) Mosel. I appreciate that this official Notlandemöglichkeit even with strong valley wind (head wind) from South often the saving banks will be. Compared with Bremner, where the landing area is also far from the launch site, at the Rosenberg lacks the impact slope on which you can shimmy to landing soarend along.
more advantageous to the Soaring Rosenberg may well prove to be rather rare. Impact of the wind at south-east of the slope at the launch site is streamed bad. Although theoretically it is possible to take the fight to the East against the wind until you reach a bend behind a suitably oriented SO-flank. But the road is difficult and risky. First, it is rugged (Seitenrotoren!), on the other it leads away from the landing site. Without a safe margin, profit, this way a game with a railway lines, roads, tree or water landing. A high-fenced sports court, a petrol station roof and the courtyard of an Opel dealer are also a few to choose from ...
as suitable for wind Rosenberg I would rather Platzbeschau after a narrow window of South to SSW see. But then the soarbare edge is not particularly wide and the "effective" amount is shrinking as are flown into the wind to the landing site must be. It is advantageous but that the whole warm air from the upstream valley directly pushed to a deeper slope nose in front of the grid. In theory, this would be a great thermal trigger that should work well with the meteorological conditions.
Overall I would in the first sentence the Rosenberg rather than interesting, but challenging to assess than a thermal-Soaringberg. It could be a good spot for cross-country pilots, who are used after the start in the very first bit screwed and fly away. For wind direction south of Rosenberg is well situated, because the routes to North, there are no annoying first air spaces. Here the Rosenberg scores against Bremner, where one is located in the Buechel neck.
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