Author: Willie
Date: 2001-04-13 04:04
If I rememmber right (and I may be wrong), wooden air screws were made mainly from laminated Ash, Elm and sometimes Birch. Oak was used during WW1, as the life expectancy of most props was only 4-5 landings due to constant nose overs on muddy fields and battle dammage. I don't recall ever seeing any rosewood in a prop though.
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