Ads
related to: wind indicator powderebay.com has been visited by 1M+ users in the past month
cleanchoiceenergy.com has been visited by 10K+ users in the past month
Search results
Results from the WOW.Com Content Network
This is a list of United States Army fire control, and sighting material by supply catalog designation, or Standard Nomenclature List (SNL) group "F".The United States Army Ordnance Corps Supply Catalog used an alpha-numeric nomenclature system from about the mid-1920s to about 1958.
A wind component indicator used to translate data on wind speed and direction into range and deflection (azimuth) corrections for Coast Artillery guns. Rendering of the face of a range correction board , a mechanical, analog device that sat on a tabletop and cumulated corrections in range for firing Coast Artillery guns.
Direction shown by smoke drift but not by wind vanes 2 Light breeze 4–6 knots 4–7 mph 6–11 km/h 1.6–3.3 m/s 1–2 ft 0.3–0.6 m Small wavelets still short but more pronounced; crests have a glassy appearance but do not break Wind felt on face; leaves rustle; wind vane moved by wind 3 Gentle breeze 7–10 knots 8–12 mph 12–19 km/h
Wind tees and wind tetrahedrons are two other commonly used wind direction indicators in airports. Wind tees are shaped like an airplane so that they match with the heading of an aircraft ready to take off and land. Wind tetrahedrons always have their pointy ends pointing to the wind. Wind tees and tetrahedrons can swing freely and align ...
A sailboat on three points of sail The waves give an indication of the true wind direction. The flag gives an indication of apparent wind direction. True wind can also be indicated by a fixed wind indicator (flag, windsock, etc., not attached to the boat or any moving object).
An apparent wind indicator, as found on sailboat, is a small weather vane or arrow that gives an indication of the current apparent wind direction. This indication allows the skipper to set their sails or their course for best performance, according to the points of sail .
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
if fixed, undisturbed, in free air, not exposed to radiation, fire, or sun, but in the ordinary light of a well-ventilated room or outer air, the chemical mixture in a so-called storm-glass varies in character with the direction of the wind, not its force, specially (though it may so vary in appearance only) from another cause, electrical tension.
Ads
related to: wind indicator powderebay.com has been visited by 1M+ users in the past month
cleanchoiceenergy.com has been visited by 10K+ users in the past month