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Cynk refers to the SG-7 as a two-seater, whereas sites using later material from Glass say single seater. Cynk also makes a comparison between the SG-7 and the Orlik abd PWS 101, both of which were single seaters. The comparison would be unfair if the SG-7 was not also a single-seater. The image and 3-views also suggest one seat only, so I've taken this as a slip by Cynk. TSRL ( talk) 17:05, 9 January 2019 (UTC) reply

Agreed, just a mix-up, not a deliberate attempt to assert that the SG-7 was a two-seater. With the quoted loaded weight of 228 kg (503 lb) it is hard to see how a second pilot could be accommodated.-- Petebutt ( talk) 21:07, 9 January 2019 (UTC) reply