Test of specimen of wood of longerons of the S.E.5 airplane after seven years' service

(Author(s) Not Available)
naca-tm-129
August 1922

A transverse test was made of the wood sample using a 5,000 pound Olsen testing machine, the deflection under load being measured by means of a Wissler dial. The results of the transverse test are given and the stress-strain curve is attached.

An Adobe Acrobat (PDF) file of the entire report:
http://naca.central.cranfield.ac.uk/reports/1922/naca-tm-129.pdf