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Aeroproduct A-542 propeller

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went looking yesturday, and found some nice maintences pdf (how to take it apar and service). unfortunately, it was for a 2-bladed version. Said that one weighed in at 254 lbs (or was it 245?)


so, I couldn't find anything on the 3 bladed version ... maybe divde by 2, take off 25 lbs for the hub, add the difference for 3 bladed?? :dntknw:


my guess is, this is for calculated moment of inertia for prop torque?

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Thank you :good:


I'll take that 2 blades prop weight as a start.


It's to estimate the "mass fraction" of the nose (propeller + engine + oil tank + miscellaneous)


I found that the Allison V12 was something like 630 kg / 1385 lbs, but 250 lbs for a 4 blades propeller seems too much light...

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