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The "N-Type" chassis was constructed from rolled steel channel; riveted and braced at appropriate points. It incorporated a sub frame on which the engine and gearbox were mounted. As for later Dennis fire engines, the water pump was a centrifugal pump, rather than the piston pumps used by other makers. This was more complex to build than the ...
The Dennis DS series was a compact fire engine with a tilting cab built by Dennis Specialist Vehicles from 1979 to the early 1990s. It was almost visually and mechanically identical in construction to the Dennis RS/SS series with the exception of a shorter wheelbase, aimed at fire brigades which may operate in tight rural areas unsuitable for full-size fire engines.
A fire engine or fire truck (also spelled firetruck) is a vehicle, usually a specially-designed or modified truck, that functions as a firefighting apparatus. The primary purposes of a fire engine include transporting firefighters and water to an incident as well as carrying equipment for firefighting operations in a fire drill.
An exploded-view drawing is a diagram, picture, schematic or technical drawing of an object, that shows the relationship or order of assembly of various parts. [ 1 ] It shows the components of an object slightly separated by distance, or suspended in surrounding space in the case of a three- dimensional exploded diagram.
The Dennis DF series was a range of heavy-duty fire engine chassis produced by Hestair Dennis (later Dennis Specialist Vehicles) from 1979 to the early 1990s.Based on the Dennis RS/SS series, the DF has a 16,260 kg (35,850 lb) gross vehicle weight, and was produced primarily as a base for turntable ladder appliances or tanker units carrying either foam or water.
The assembly drawing gives the drawing numbers of the subsequent detailed components, quantities required, construction materials and possibly 3D images that can be used to locate individual items. Although mostly consisting of pictographic representations, abbreviations and symbols are used for brevity and additional textual explanations may ...
This engine type was of those in which the fire is enclosed, and fed by air pumped in beneath the grate in sufficient quantity to maintain combustion, while by far the largest portion of the air enters above the fire, to be heated and expanded; the whole, together with the products of combustion, then acts on the piston, and passes through the ...
The red engine is used by CAL FIRE, the yellow engine is used by the Bureau of Land Management, and the green engine is used by the United States Forest Service. Due to the need for firefighting apparatus to be highly visible, they are, similar to other emergency vehicles, painted in conspicuous colors, such as white, yellow, orange, or, most ...