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O&P General W&B+line

Weight and balance plus fluid lines and fittings

QuestionAnswer
The main purpose of weighing an aircraft is to obtain what? the empty weight and empty weight center of gravity
In the event that any aircraft’s weight and balance records are lost or damaged beyond use, what should you do? the aircraft should be reweighed
The empty weight of an aircraft includes what? includes all operating equipment that has a fixed location and is actually installed in the aircraft.
Is a full fuel included in the aircraft’s empty weight? nope. only the Unusable (residual) fuel is because it is trapped in the fuel lines
What is the definition of Datum? An imaginary vertical line which all measurements of arm are taken. The datum is established by the manufacturer.
What is the definition of Arm? the horizontal distance from the datum to a piece of equipment
What is the definition of Moment? The product of a weight multiplied by its arm.
what is the PROCEDURE FOR WEIGHING!?!?!?!? 1 Remove any items that are not part of the empty weight. 2 If possible, drain fuel; if not then subtract full weight afterward. 3 Top off oil and hydro fluid. 4 Position all slats, slots, spoilers, and flaps correctly. 5 Release the aircraft brakes.
what is the PROCEDURE FOR WEIGHING!?!?!?!? P2??!! 6 Make sure the aircraft is in level flight attitude. 7 weight it..... almost fit it all in 1 card
What is tare weight? extra weight on the scales that must be subtracted
examples of tare weight? weight of the jack, wheel chocks placed on the scales and ground locks left in place
What is ballast? Weight used in an aircraft to attain the desired CG balance, when the center of gravity is not within limits
What is permanent ballast? Weight installed to compensate for the removal or installation of equipment items and remains for long periods at a time
What is useful load? All items on a plane that is not part of empty weight
What does useful load consists of? fuel, any other fluids that are not part of empty weight, passengers, baggage, pilot, copilot, and crew members.
What are two main types of fluids that pass through flexible hoses? Mineral base fluids Phosphate ester base fluid (Skydrol)
What are the four flexible hose liners? Buna-N Neopreame Butyl Teflon
What fluids is Buna-N compatible with? Petroleum based products used in engine oil areas
What fluids is Neoprene compatible with? And what resistance does it have better than Buna-N Petroleum based products and Abrasion resistance
What fluids is Butyl compatible with? Phosphate ester base fluid (Skydrol)
What fluids is Teflon compatible with? It is compatible with nearly every fluid
What is Flexible hoses measured in? And in what size? Inside diameter and 1/16th inch
How much slack should a flexible hose have? 5-8%
What happens to a flexible hose when subjected to pressurization? Expands in diameter and contracts in length
Flexible hoses must be supported by clamps how many inches apart? 24 in
Describe MIL-PRF-5606H hydraulic fluid petroleum based, red in color, flammable, and used with Buna-N and Neoprene
Describe MIL-H-8446 (Skydrol 500 A and B) Phosphate Ester Base, light purple in color, fire resistant, and used with buty
Where is the information on flexible hoses found and what does it also indicate? On the layline and helps indicate if it has been twisted during installation
Read and discribe this flexible hose number found on the layline. MIL-H-8794: 6-2 90 Hose part number: MIL-H-8794 Hose Size: 6/16 Hose Quarter and year manufacture: 2 90
Where can instructions for fabrication and a table for rigid and flexible hoses be found? AC43.13-1B ch 9
What should you flare to what degrees? 37°
How is Rigid tubing measured? in what increments? outside diameter, 1/16th
How to find inside diameter Inside Diameter = Outside Diameter - 2(Wall Thickness)
What two types is rigid made from? Aluminum alloy Stainless steel
What is Aluminum alloy rigid tubing made for? low-pressure applications
Created by: Wolfbane507
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