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  2. Propagation delay - Wikipedia

    en.wikipedia.org/wiki/Propagation_delay

    Propagation delay timing diagram of a NOT gate A full adder has an overall gate delay of 3 logic gates from the inputs A and B to the carry output C out shown in red.. Logic gates can have a gate delay ranging from picoseconds to more than 10 nanoseconds, depending on the technology being used. [1]

  3. 1:10 radio-controlled off-road buggy - Wikipedia

    en.wikipedia.org/wiki/1:10_radio-controlled_off...

    A typical 1:10 specific off-road dirt track noticeably by its small size and lack of pit lane (for nitro cars) The cars are designed for running on dirt and more recently, carpets and artificial turfs; both featuring jumps.

  4. Advance ratio - Wikipedia

    en.wikipedia.org/wiki/Advance_ratio

    Diameter of the propeller. The propeller advance ratio or coefficient is a dimensionless number used in aeronautics and marine hydrodynamics to describe the relationship between the speed at which a vehicle (like an airplane or a boat) is moving forward and the speed at which its propeller is turning.

  5. Radio-controlled aircraft - Wikipedia

    en.wikipedia.org/wiki/Radio-controlled_aircraft

    So called "EDF" models can be of much smaller size, and only need the same electronic speed controller and rechargeable battery technology as propeller-driven RC electric powered aircraft use. Radio-controlled jet aircraft are produced in the colors of various airlines.

  6. Disk loading - Wikipedia

    en.wikipedia.org/wiki/Disk_loading

    Disk loading of a hovering helicopter is the ratio of its weight to the total main rotor disk area. It is determined by dividing the total helicopter weight by the rotor disk area, which is the area swept by the blades of a rotor.

  7. Radio-controlled model - Wikipedia

    en.wikipedia.org/wiki/Radio-controlled_model

    1:10 scale radio-controlled car (Saab Sonett II)A radio-controlled model (or RC model) is a model that is steerable with the use of radio control (RC). All types of model vehicles have had RC systems installed in them, including ground vehicles, boats, planes, helicopters and even submarines and scale railway locomotives.

  8. Thrust-to-weight ratio - Wikipedia

    en.wikipedia.org/wiki/Thrust-to-weight_ratio

    Thrust-to-weight ratio is a dimensionless ratio of thrust to weight of a rocket, jet engine, propeller engine, or a vehicle propelled by such an engine that is an indicator of the performance of the engine or vehicle.

  9. Radar cross section - Wikipedia

    en.wikipedia.org/wiki/Radar_cross_section

    The size of a target's image on radar is measured by the radar cross section or RCS, often represented by the symbol σ and expressed in square meters. This does not equal geometric area. A perfectly conducting sphere of projected cross sectional area 1 m 2 (i.e. a diameter of 1.13 m) will have an RCS of 1 m 2. For radar wavelengths much less ...

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