The RRG Urubu Obs (the Urubu is an Argentinian Vulture), often known just as the RRG Obs, was a one-off, large, two or three seat glider designed for meteorological observations by Alexander Lippisch in Germany and first flown in 1932.
The RRG Urubu Obs (the Urubu is an Argentinian Vulture), often known just as the RRG Obs, was a one-off, large, two or three seat glider designed for meteorological observations by Alexander Lippisch in Germany and first flown in 1932. (en)
The RRG Urubu Obs (the Urubu is an Argentinian Vulture), often known just as the RRG Obs, was a one-off, large, two or three seat glider designed for meteorological observations by Alexander Lippisch in Germany and first flown in 1932. (en)