05-23-2005, 02:13 PM
05-24-2005, 09:42 AM
Relative wind is created by movement of an airfoil through the air. As an example, consider a person sitting in an automobile on a no-wind day with a hand extended out the window. There is no airflow about the hand since the automobile is not moving. However, if the automobile is driven at 50 miles per hour, the air will flow under and over the hand at 50 miles per hour. A relative wind has been created by moving the hand through the air. Relative wind flows in the opposite direction that the hand is moving. The velocity of airflow around the hand in motion is the hand's airspeed.
05-25-2005, 07:28 AM
thx for the nice forums.i will put my answers very soon
05-28-2005, 05:17 PM
we need a more precise definitions and how we make use of relative airflow and how we make use of wind direction..keep trying Phantom..do not forget we are talking about flying not driving cars
05-29-2005, 07:17 AM
The relative wind, therefore, is the airflow produced by the aircraft moving through the air. The relative wind is in a direction parallel with and opposite to the direction of flight. the relative wind can theoretically be at any angle to the longitudinal axis.However, to maintain controlled flight, the relative wind must be from a direction that will produce lift as it flows over the wing
05-29-2005, 07:55 AM
Well,I know that relative wind is wind direction with relative to the A/C path which is necessary to take into consideration to assume how much left you could get. While for wind direction it is an indication of wind given by winds velocity and direction
05-30-2005, 08:24 PM
The relative air flow, is the airflow produced by the aircraft or an airfoil moving through the air. The relative airflow flows parallel and opposite to the path of flight of the A/C, it is relative to the path of movment of the aircraft. The angel between the relative air flow and the cord line of an airfoil is called an angle of attack. (relative air flow is not WIND, as you may have noteced I did not mention the word wind when talking about relative airflow). the effect of Relative Airflow in flying is a function of creating LIFT
In simple terms and summerized explaination.Wind is one of the main elements of weather. It is the product of the horizantal movement of air caused by defferencial pressure on the earth surfuce and also upper layers of the atmosphere. The direction of wind and its speed depends on many factors mainly the position of the pressuer areas and pressure isobars plus the rotation of earth and the type of terrain and other factors.The wind direction is measured Relative to the geographical NORTH..the effect of Wind of flying is for the purpose of taking off and and landing and for navegation.
Safe flying means Precision, and precision means transfering information into knolwedge and applying this knowledge exactly.
In simple terms and summerized explaination.Wind is one of the main elements of weather. It is the product of the horizantal movement of air caused by defferencial pressure on the earth surfuce and also upper layers of the atmosphere. The direction of wind and its speed depends on many factors mainly the position of the pressuer areas and pressure isobars plus the rotation of earth and the type of terrain and other factors.The wind direction is measured Relative to the geographical NORTH..the effect of Wind of flying is for the purpose of taking off and and landing and for navegation.
Safe flying means Precision, and precision means transfering information into knolwedge and applying this knowledge exactly.