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Does anyone have the Swedish book? Are the specs fot the 50C; they are not those of the 50 in the French ref (generally close but different engine )? TSRL ( talk) 17:34, 21 April 2017 (UTC) Aso, the museum seems to say 50C=52. Anything on that? TSRL ( talk) 17:57, 21 April 2017 (UTC) Ah! According to Ogden's biik, MS-52 was its reg. TSRL ( talk) 19:15, 21 April 2017 (UTC) reply

Looking at other MS types of this time shows the last letter of the model type identifies the engine, i.e. L for Liberty and R for Renault. So C for Clerget, I guess? It would be good to have a direct ref for that, though it's consistent with the Finnish machines. TSRL ( talk) 19:32, 21 April 2017 (UTC) reply