Questions tagged [landing-gear]

The wheels of an airplane. Sometimes replaced by floats or skis.

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What is the difference between a pressure switch, high-pressure control, and low-pressure control in a landing gear hydraulic system?

This is an Arrow II landing gear diagram. In the diagram, the high and low pressure controls look like check valves. The pressure switch is unclear. What are these three items, and what purpose ...
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What is the linkage connecting the body landing gear on the C-130?

I can't seem to find a diagram that includes this tube linking the front and rear body gear on each side. Is it structural, or hydraulic, or maybe something else entirely? Image source: https://www....
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Why is the assumed Lift-to-Weight-Ratio for the limit drop test for heavy aircraft (FAR-25) higher than for small aircraft (FAR-23)?

The FAR-25.725 assumes a Lift-to-Weight-Ratio L/W = 1 for the landing gear drop test while the FAR-23.725 assumes only L/W=0.667. This factor affects the load inertia factor n which is also needed for ...
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What are the specifications of this Zenith bush airplane's gear and tires?

I would like to know the name (if any) and the specifications of Zenith's bush airplane? I would like to know the size, the diameter, the maximum load, bearing number/type, and so on. Seems that the ...
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How long does the gear extension/retraction takes on the ATR-42?

Which is typical time of landing gear extension in normal conditions ? I would like to know it especially for the ATR-42 but any other typical value is welcome ! Furthermore can you provide any link ...