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Κατασκευή Ανεμούριο IDEAS - How to make a wind sock.
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Το Ανεμούριο μας δείχνει την διεύθυνση του αέρα και τα μποφόρ
για να μάθουμε πόσα χλμ έχει 1 μποφόρ υπάρχει συντελεστής πχ 5 μποφόρ κυμαίνετε από 28,5 έως 38,5 χλμ το ύφασμα να είναι ελαφρύ και όσο μπορούμε αδιάβροχο σας ευχαριστώ
Using the inner lining of a garment, a plastic container (for the wide end), and a tape roll to take note of the small end, we can make a wind sock to have a visual clue about the speed and direction of the wind.
The lining must be as light as possible and waterproof.
The Beaufort scale is an epirical measure that relates wind speed to observed conditions at sea or on land. Its full name is the Beaufort wind force scale. (source Wikipedia)
The usual wind socks found around airports, have white and red sections, each representing 5 knots of wind force.
So if for instance the sock has the first two sections raised, this means the wind is around 10 knots (12-19km/h).
Airport wind socks have a total of 5 sections, indicating a total of 25 knots of wind force (40kph), whitch can be callsed "heavy wind" in aviation. There is realy no need to indicate more than this. A 25 knot wind can make things difficult for an airplane, so no need for the sock to show more than 30 knots.
The values of different units (Beaufort vs Knots vs km/h) were never made equivalent, so the different numbers of Beauforts correspond to a range of numbers of the other scales. (source Wikipedia).
To find the equivalent of a 1 Beaufort wind in kilometers, there is an empirical relationship, so for instance a wind of 5 on the Beaufort scale, corresponds to around 28 to 38 km/h.
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για να μάθουμε πόσα χλμ έχει 1 μποφόρ υπάρχει συντελεστής πχ 5 μποφόρ κυμαίνετε από 28,5 έως 38,5 χλμ το ύφασμα να είναι ελαφρύ και όσο μπορούμε αδιάβροχο σας ευχαριστώ
Using the inner lining of a garment, a plastic container (for the wide end), and a tape roll to take note of the small end, we can make a wind sock to have a visual clue about the speed and direction of the wind.
The lining must be as light as possible and waterproof.
The Beaufort scale is an epirical measure that relates wind speed to observed conditions at sea or on land. Its full name is the Beaufort wind force scale. (source Wikipedia)
The usual wind socks found around airports, have white and red sections, each representing 5 knots of wind force.
So if for instance the sock has the first two sections raised, this means the wind is around 10 knots (12-19km/h).
Airport wind socks have a total of 5 sections, indicating a total of 25 knots of wind force (40kph), whitch can be callsed "heavy wind" in aviation. There is realy no need to indicate more than this. A 25 knot wind can make things difficult for an airplane, so no need for the sock to show more than 30 knots.
The values of different units (Beaufort vs Knots vs km/h) were never made equivalent, so the different numbers of Beauforts correspond to a range of numbers of the other scales. (source Wikipedia).
To find the equivalent of a 1 Beaufort wind in kilometers, there is an empirical relationship, so for instance a wind of 5 on the Beaufort scale, corresponds to around 28 to 38 km/h.
Thanks for watching, and if you like what you see, consider subscribing.
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