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Airspeed Indicators

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LUN_1106_150x150

3 inch Airspeed Indicator - Model LUN 1106

       The airspeed indicators (ASI) are intended for use on an aircraft to indicate the speed relative to the air at sea level and are used at any other altitude to indicate the equivalent speed corresponding to the actual force of the air. When properly connected to an airspeed tube, mounted so as to be in undisturbed air, the airspeed indicator measures the differential pressure developed between the pitot and static opening. This pressure is indicated in units of airspeed (mph, knots, kph).

Specification and Model Designation

Technical drawing - Standard

LUN_1107_150x150

3 inch Airspeed Indicator - Model LUN 1107

       The airspeed indicators (ASI) are intended for use on an aircraft to indicate the speed relative to the air at sea level with a maximum airspeed of 400 kilometers per hour and are used at any other altitude to indicate the equivalent speed corresponding to the actual force of the air. One major function indicates the danger of stalling. When properly connected to an airspeed tube, mounted so as to be in undisturbed air, the airspeed indicator measures the differential pressure developed between the pitot and static opening. This pressure is indicated in units of airspeed (mph, knots, kph).

Specification and Model Designation

Technical drawing - Standard

LUN_1116_150x150

3 inch Airspeed Indicator - Model LUN 1116

       The airspeed indicators (ASI) are intended for use on an aircraft to indicate the speed relative to the air at sea level and are used at any other altitude to indicate the equivalent speed corresponding to the actual force of the air. When properly connected to an airspeed tube, mounted so as to be in undisturbed air, the airspeed indicator measures the differential pressure developed between the pitot and static opening. This pressure is indicated in units of airspeed (mph, knots, kph).

Specification and Model Designation

Technical drawing - Standard

LUN_1170_150x150

Airspeed Indicator and Machmeter - Model LUN 1170

       The instrument is intended for measuring indicated airspeed in aircraft (thick pointer) between 50 and 600 knots and true airspeed (thin pointer) between 50 and 600 knots. In addition, the instrument measures Mach number values between 0.5 and 0.9 M at altitudes between 0 and 15 km. On reaching 0.81 ± 0.01 M, with the airspeed increasing, and on reaching 197, 167.5 and 143 knots respectively, with the airspeed decreasing, individual electrical circuits close, triggering warning devices. This instrument may be produced in models differing by case design, speed ranges, warning device actuating speeds and measuring units as specified by the customer.

Specification and Model Designation

Technical drawing - Standard, case 1 and case 2

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