Sep-Oct, Nov, Dec 1962-Jan 1963 - Navy League of Australia

B AVQI^ ^ ^J m Tlii- i- your chance to take a part inAustralia's ever-developing Naval Programme and learn an interestingand usefultrade.NAVAL DOCKYARD APPRENTICESP A R E N T S Here i- an op|*>ltiinil\ Inl \m Mill 111 l>< apprenticedand receive training iti alt branches l Naval Repair ami Refitting work in thelargest and best-equipped Naval Yard and l)i\ Dock in the Southern Hemisphere.APPRENTICESHIP >^ available at Garden Island Dockyard. Sydney,controlled by the Commonwealth Government, untlei conditions which willenable you not only to become an efhcteni tradesman, but give you the opportunityol qualifying as a Draughtsman or Professional Orhcci in Mechanical orElectrical Engineering, or Ship Construction. The period ol apprenticeship islor 5 years, and subject to satisfactory progress. Technical College lees will Inpaidby the Commonwealth Government.RATES OF PAY » r * '" accordance with the Arbitration CourtAward made between the Department and the Trade Unions. On completionof the first year, an additional weekly payment is made, subject to satisfactoryprogress. Three weeks' annual leave and liberal sick leave are granted, and anallowance is payable to apprentices who are obliged to live away from homeowing to distance.NEW DESTROYERS FOR R.A.N.Australia recently ordered plating installed and welding parallel steel tracks. Cables arefrom the United States two undertaken. By using tin's then thrown around the hull inguided missile destrovers. These method it is |x>ssible to eliminate opposite directions and lead todestroyers are to be built by approximately 90% of the overheada steam locomotive crane. Thisthe Defoe Shipbuilding Companywelding, thereby saving crane, by pulling on one cablewho. during the last war. greath in man-hours, as downintroduced a new method t hand welding can be done muchand holding back on the other,rolls the vessel on the two wheelsshipbuilding.faster, and results in better workmanship.and tracks into an upright posi­When the vessel is in tion. The whole line of processThe new s\stem is describedas follows:—the upside down position all takes no more than two and aIn order to lulfil sub-chaser machinery which normally half minutes. When the vesselcontracts in the shot test |x>ssible hangs or is attached to the is upright, additional machinerytime, an entire.) new type and underside ol the deck is installed,because it then merely placed in place. This systemis installed and deckhousesmanner ol ship construction wasoriginated and perfected by Mr. drops into position. The erection was highly perfected during theH. J. Defoe. This has come to sequence lor hull steel can be construction of 58 submarinebe Widely known as the upside arranged so as to eliminate virtuallyall of the conventionalchasers.down and rollover method ofThe first destroyer escortconstruction. A cradle is built ship scaffolding, thereby savingattempted by Defoe on the conventionalplan of an uprightto the exact shape of the main additional man-hours.deck o| the vessel. On this When the hull has been completedas far as necessary in the interval. However, the companyhull throughout the constructioncradle the deck is laid, andframes and bulkheads are erectedbottom side up. The comcirclesteel wheels are clamped method of the bottom-up hullbottom-up position two semi­decided that the highly-efficientplete bottom section of the vessel,including keel, floors, and mentioned above, is dropped could also be adapted to thearound it, and the deck cradle, utilized in the PC constructionfrom tour to six strakes ol shell into an out-of-the-way position.The hull is then support­on, all destroyer escorts andlarger ship. From that pointplating, is then dropped in placeon top of the frames and bulkheads.The remaining shell which in turn rest on two heavy bottom-up and rolleded entirely on these two wheels, high-speed transports were builtover.ELIGIBILITY ^K2.THE NAVYSeptember-October, 1962GUIDED MISSILE DESTROYER LAUNCHED BY ROLLOVER METHOD