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wing skin alloy

RJBrown

By RJBrown
in Modern Mooney Discussion

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RJBrown Mentor

RJBrown

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What aluminum alloy does Mooney use on the wing skins and how thick is it? Are the formed aluminum pieces such as gear doors etc a different alloy?

jetdriven Grand Master

jetdriven

Posted
Posted

Per the SMM, the ribs, skins, and doublers are 2024 T3, T4, or T42 aluminum alloy.  I cannot find data, but the doors feel like 2024-t3. as well.


The fuel tank area is .050 and .040 in the fuel tank area, then .032 and then .025 in the wing tip area.   photo enclosed.

post-6498-13468141054142_thumb.jpg

N601RX Grand Master

N601RX

Posted
Posted

I'm pretty sure Mooney purchases the 2024 in the T0 or annealed condition for the gear doors.  They form it 1st and then send it out to be heat treated and aged to the T4 condition.  It doesn't form that well in the T3 or T4 condition and is prone to crack if complex forming is done in that condition.

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