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A door draught excluder is placed at the bottom of a door to cover the gap located at the threshold. [1] [2] In the Victorian era these draught excluders would be sausage-shaped and made from fabric stuffed with sawdust. [3] Tubular sand-filled fabric draught excluders are commonly referred to as "door snakes" in Australia.
All body panels are hinged to allow the batteries to be removed. Following the withdrawal of steam engines, the vehicles often worked on open sections of line, rather than in tunnels, and the need to heat the cabs in winter became apparent. Draught excluders have been added to all cab doors, and additional heaters have been fitted into the cabs ...
A threshold is the sill of a door. Some cultures attach special symbolism to a threshold. It is called a door saddle in New England. [citation needed] Door thresholds cover the gap between the floor and the door frame, helping to prevent any water leaks, insects or draughts from entering through the opening.
A revised ("transformed" said the advertising) lower body with a new 11.9 hp engine behind a new, sloping, radiator and still of the same 1548 cc was announced 28 August 1933 along with a four-speed Twin-Top synchromesh gearbox, shorter stronger cruciform chassis, leather upholstery, draught excluders over the gear lever and pedal slots and a ...
Q = stack effect draft (draught in British English) flow rate, m 3 /s A = flow area, m 2: C = discharge coefficient (usually taken to be from 0.65 to 0.70) [14] g = gravitational acceleration, 9.81 m/s 2: h = height or distance, m T i = average inside temperature, K T o = outside air temperature, K
The vessel's clearance is the distance in excess of the air draft which allows a vessel to pass safely under a bridge or obstacle such as power lines, etc.A bridge's "clearance below" is most often noted on charts as measured from the surface of the water to the underside of the bridge at the chart datum Mean High Water (MHW), [3] [4] a less restrictive clearance than Mean Higher High Water ...