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Related to Feet Per Minute: Cubic feet per minute
FT/MINFeet Per Minute
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Since 120 knots is your desired approach airspeed, you'd need to maintain a vertical speed of (318 feet per mile times (110 over 60) miles per minute) 583 feet per minute with that 10 knot headwind.
The conveyance generally moves at 3,000 feet per minute and that's too fast for someone to actually watch the rope, so during rope inspection, we slow it down to 150 feet per minute, and that takes about one hour.
More in-depth topics also are explored, such as air exchanges per hour and how to calculate the cubic feet per minute needed to achieve the desired AEH.
Thermal simulation of the enclosure demonstrates a uniform airflow of 400 linear feet per minute (LFM) per front slot and 100 LFM per rear transition module slot.
It can transport up to 75 pounds per zone at speeds of 30 to 240 feet per minute.
As a standard measure for tight, well-insulated buildings, engineers design systems to circulate 20 cubic feet per minute (CFM) of fresh air per person.
Capacities can reach up to 30 cubic feet per minute, with a maximum conveyor speed of 185 feet per minute, for straight run configura tions.
All seemed fine about 34 miles from the airport with the plane descending from 5,600 feet to about 2,300 feet at a slightly faster-than-normal rate of about 700 feet per minute.
The Army required the Longbow to have a VROC of 450 feet per minute at an altitude of 4,000 feet and a temperature of 95 degrees, and the helicopter can indeed pass that test.
Prior to the oil embargo of 1973, ventilation rates were designed to supply fresh air at a rate of 15 cubic feet per minute (cfm) per person, but subsequent conservation measures lowered this to 5 cfm per person.
To combat the problem among office workers, EPA recommends increasing ventilation with outdoor air to at least 20 cubic feet per minute (cfm) per person.