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Pinzgauer Spaziergang: Difference between revisions
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→A one minute HOWTO for flying thermals
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== A one minute HOWTO for flying thermals == | == A one minute HOWTO for flying thermals == | ||
This is a very short introduction to gaining altitude using a thermal lift. | This is a very short introduction to gaining altitude using a thermal lift. More details can be found in the [[Soaring]] Article. | ||
Search the sky! Thermals are usually invisible but sometimes they have a nice cumulus cloud as a cap. Fly with the speed of best glide straight to that cloud and check your vertical speed indicator (VSI). When you hit the thermal lift, your VSI slowly moves from negative values to zero and probably indicates climb. Maintain your airspeed and monitor the VSI. Fly straight, as long as the rate of climb (ROC) increases. When the ROC decreases, make a shallow turn to the left or right (your choice) keeping a constant airspeed and monitor the VSI while turning. | Search the sky! Thermals are usually invisible but sometimes they have a nice cumulus cloud as a cap. Fly with the speed of best glide straight to that cloud and check your vertical speed indicator (VSI). When you hit the thermal lift, your VSI slowly moves from negative values to zero and probably indicates climb. Maintain your airspeed and monitor the VSI. Fly straight, as long as the rate of climb (ROC) increases. When the ROC decreases, make a shallow turn to the left or right (your choice) keeping a constant airspeed and monitor the VSI while turning. | ||