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Composites Consulting Group (CCG) has designed a lightweight composite tank for an Australian off-road fire truck.
Remote area firefighting in Australia calls for a vehicle that can carry its own water supply over rough terrain. To be effective the truck needs to carry as much water as possible and arrive at the fire quickly. Striking Distance, a manufacturer of fibreglass composite products based in Queensland, Australia, was contracted by Quick Corp Fire Engineering to deliver a fibreglass tank for the company’s new off-road fire tanker. The company’s existing tankers use polyethylene tanks to carry water and the task was set to design a tank that was both lighter and could carry more water to improve the effectiveness of the tanker in a fire situation.
CCG’s Australian office was contracted by Striking Distance to conduct the engineering design of a tank to meet the design brief. To achieve this initial concept designs were drawn up in 3D to allow the client to quickly review changes.
The final design of the tank used infused Divinycell foam cored sandwich panels with E-glass skins and vinyl ester resin to reduce weight yet maintain structural strength. To further increase the carrying capacity of the tank the foam core was reduced in thickness. The final core specification was Divinycell H100 15 mm thick. The total weight saving of the final tank was 250 kg compared to the original design.
Image provided by Diab
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