STRENGTH OF N.Z. TIMBERS

New Zealand Times, Volume XLIX, Issue 11195, 28 April 1922, Page 4

STRENGTH OF N.Z. TIMBERS

AVOIDABLE WASTE. Japoagob other subjects of discussion ft* kberegent conference of the. Society MftW Bar fpoegah was that dealing In the -strength of New Zealand if was explained to a “Times” reKt an examination of the Aian discloses the very inset that while a number of wqpdo have higher strength n many of the imported the stresses adopted for in constructional work are r. This eininiy means that s ' are * maqe unnecessarily rriby increw sing tho cost of eonsaracawual war&. EacPHEiaCBJiTS. the Foreet Service 'has therefore Missed out at>. qxtenaive series of in : Metagataous dealing with the strength properties of New Zealand timbers, •nd it M folly expected that the results will justify an increase of from 80 to 80 pear cent, in the values now adapted, and a corresponding saving in tho amount of timber used. Doug3tt fir (oregon pine) has approximately the same strength values as rimu, yet the stress adopted for its use in Sending, vary from 1200 to 18001bs per ,square inch, against 9001bs used for shun. “GOALS TO NEWCASTLE.” It is reluctantly related that the huge new gold dredger operating not f»r from Hokitika has practically the whole of its timber members constructed of Oregon pine, in spite of the fact that rimu trees of muling size grow within one hundred yards of its location. The advertising and service work rendered by foreign exploiters of timber seem to have hypnotised New Zealanders into a distrustful attitude towards their own native woods which, with proper treatment, can he made aged, and aften superior, to imported