Paul Bromley Posted May 17, 2020 Share Posted May 17, 2020 Hi has anyone tried swinging large diameter props with the FG40, I note the manual says 21 - 10 as the largest prop but wondered if it will swing a much fine pitch but larger diameter ? any opinions. It is going in a 1./4 scale WW1 biplane. Stay well Paul. Quote Link to comment Share on other sites More sharing options...
Jon H Posted May 17, 2020 Share Posted May 17, 2020 generally saito's are not impressed by big props but 21x10 is pretty big for 40cc. You could try bigger but if it runs hot or sounds unhappy you might want to knock the ignition timing back a few degrees Quote Link to comment Share on other sites More sharing options...
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