DON-BUR
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Although the spotlight has recently been focused on its Teardrop trailer and rigid bodywork, Don-Bur still builds ‘standard’ 13.6m curtainsiders (albeit tailored to customer requirements). However, they would be line-built from new, rather than retrofitted. Any post-production additions would depend on the base trailer and be subject to discussion. For new build trailers, it offers its GRP ‘2002 Evolution Dome’ front bulkhead, priced at £350. It also has two side-skirt options: a fairly straightforward set of side valances, including a section to the rear of the bogie at £1,250 a set; and a ‘Full-Wrap’ system comprising side-skirts, and Don-Bur’s distinctive front and rear moulded enclosures, which together cost £1,450. A mechanical buckleless curtain system costs £695. Operators can specify a rear roof air diffuser for £165, which manages airflow more effectively as it passes over the back of the trailer. It says operators should look at any package in its totality. Used together, its front dome, fullwrap side-skirts and buckle-less curtains offer a typical fuel saving of about 4% – a figure validated by tests at MIRA. Don-Bur is also investigating other aerodynamic aids prior to market launch.