The D.W.L. SG-21 Lwów was a Polish high performance sailplane built for the Polish government. Though both it and a development, the SG-28, were one-offs, they set several national records and led to the batch-produced Warsztaty Szybowcowe SG-3.
The D.W.L. SG-21 Lwów was a Polish high performance sailplane built for the Polish government. Though both it and a development, the SG-28, were one-offs, they set several national records and led to the batch-produced Warsztaty Szybowcowe SG-3. (en)
SG-21 Lwów – pierwszy polski szybowiec wyczynowy zbudowany w dwudziestoleciu międzywojennym. (pl)
The D.W.L. SG-21 Lwów was a Polish high performance sailplane built for the Polish government. Though both it and a development, the SG-28, were one-offs, they set several national records and led to the batch-produced Warsztaty Szybowcowe SG-3. (en)
SG-21 Lwów – pierwszy polski szybowiec wyczynowy zbudowany w dwudziestoleciu międzywojennym. (pl)