Professional Skipper Magazine from VIP Publications

#92 Mar/Apr 2013 with NZ Aquaculture

The only specialised marine publication in Oceania that focuses on the maritime industry, from super yachts to small craft to large commercial ships, including coastal shipping, tugs, tow boats, barges, ferries, tourist, sport-fishing craft

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VIP.S92 MARINE CRANES & Truck Loader Cranes, for all applications VIPS78 VIP.S78 At first sight the purpose-built trailer constructed in marine alloy is huge. The running gear is all heavy-duty truck stuff to carry the loads and has truck air bag kneeling suspension that can be lowered for getting into the aircraft. The trailer is fitted with its own battery-powered winch and batteries to eliminate the need for a dedicated tow vehicle. The same applies to the adjustable multi-tow points which can accommodate the heavy duty tow ball coupling found on most 4x4 Remuera tractors, or the ring for the heavy duty tow hook on most military vehicles. Finally, there is the top ring position to suit the standard ring feeder coupling on trucks. This allows for operational diversity when on deployment, especially in the Pacific Islands. While not really suitable for highway use we noted that Terry was using his own 4x4 Land Cruiser which had ample power to launch and retrieve the vessel on the steep Opua ramp, not far from the workshop. Outside the workshop we noted the freshly painted ship���s transport cradle built on a 20ft flatbed container base for shipboard use on the OPVs Otago and Wellington and the support ship Canterbury. The boat is not unattractive, and on stepping aboard the large boarding platform protecting the Hamilton Jet units below, we were surprised to find how stable the vessel was at rest. While definitely an open boat design with a very robust utilitarian finish, the exposed surface alloy has been acid washed and coated in several coats of Nyalic to give the vessels that navy grey ���you-can���t-see-me look���. The vessels are expected to spend a lot of time out of the water on the trailer or in cradles, so the hull bottoms below the chine, which are subjected to cradle wear, were left in natural alloy finish for the vessels to be beached, scrubbed or water-blasted as required during operational use. The Navy can coat these areas and the water jets with a foulresistant silicone product later if fouling does become an issue. On stepping over the transom, we note the two walk-through doors for divers. Once aboard one is faced with two large raised engine boxes concealing the twin Yanmar 6LYAM-STP 370hp marine diesels, coupled to ZF hydraulic transmissions before the Hamilton 274 water jets. We note the engines are larger than the rest of the Yanmar engines that power the existing RNZN fleet of J3 RHIB seaboats. This was because of the anticipated heavier workload of the REA vessels. Personally, we believe the Navy has just introduced another engine dimension into its fleet, when in all probability a slightly smaller engine, such as the J3s in VIP.S92 There is a lot of room in a 9m boat Custom marinised to suit New Zealand conditions. Spare parts for all cranes. ALLCRANE Sales & Services Ltd Auckland,NZ ph:0800 ALLCRANE (0800 255 27263) sales@allcrane.co.nz - www.allcrane.co.nz March/April 2013 Professional Skipper 23

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