{"title":"Airspeed Indicators","description":"\u003cp\u003eAirspeed Indicators — part of our Instruments range. Quality aircraft parts delivered across the UK and Europe.\u003c\/p\u003e","products":[{"product_id":"10-00190","title":"United Airspeed Indicator 40-200M \/ 40-170K","description":"\u003cp\u003eThe 8000 Series Airspeed Indicator is intended for use on an aircraft to indicate the speed relative to the air at sea level and 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. The pressure is indicated in units of airspeed (mph and\/or knots).These 8000 series United airspeeds are TSOd for installation on certificated aircraft. Factory new. Available in dual scale MPH\/knots, or in MPH or knots only. Fits standard 3-1\/8 panel hole. Wt: 0.7 lb. Available with custom range marks see \"Options\" tab. *NOTE* - All lit instruments require a light tray. Light tray sold separately. See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8000-B166\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255375253846,"sku":"10-00190","price":2149.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-00190.png?v=1781870801"},{"product_id":"10-00190-1","title":"United Airspeed Indicator 40-200M\/40-170K Lt","description":"\u003cp\u003eThe true airspeed indicator corrects the indicated airspeed for changes in temperature and pressure encountered as aircraft changes altitude. By aligning outside temperature and pressure altitude with setting knob, movable airspeed scale is rotated proper amount so pointer registers true airspeed. Factory new. TSOD for certificated aircraft. Dual scale. Add PN#10-02614 for custom range marking and specify exact range markings desired. *NOTE* - All lit instruments require a light tray. Light tray sold separately. See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8000-B166L\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255375483222,"sku":"10-00190-1","price":2275.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-00190_a4df3197-1d22-4235-aa78-50d09b672a6b.png?v=1781870802"},{"product_id":"10-00191","title":"United Airspeed Indicator 40-250M\/40-210K","description":"\u003cp\u003eThe true airspeed indicator corrects the indicated airspeed for changes in temperature and pressure encountered as aircraft changes altitude. By aligning outside temperature and pressure altitude with setting knob, movable airspeed scale is rotated proper amount so pointer registers true airspeed. Factory new. TSOD for certificated aircraft. Dual scale. Add PN#10-02614 for custom range marking and specify exact range markings desired. *NOTE* - All lit instruments require a light tray. Light tray sold separately. See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8025-B.167\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255375515990,"sku":"10-00191","price":2079.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-00191.png?v=1781870803"},{"product_id":"10-00191-1","title":"United Airspeed Indicator 40-250M\/40-210K Lt","description":"\u003cp\u003eThe true airspeed indicator corrects the indicated airspeed for changes in temperature and pressure encountered as aircraft changes altitude. By aligning outside temperature and pressure altitude with setting knob, movable airspeed scale is rotated proper amount so pointer registers true airspeed. Factory new. TSOD for certificated aircraft. Dual scale. Add PN#10-02614 for custom range marking and specify exact range markings desired. *NOTE* - All lit instruments require a light tray. Light tray sold separately. See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8025-B.167P\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255375679830,"sku":"10-00191-1","price":2275.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-00191_8c88ca71-13df-42a9-bad4-4edd075d0acf.png?v=1781870804"},{"product_id":"10-00192","title":"United Airspeed Indicator 40-300M\/40-260K","description":"\u003cp\u003eThe true airspeed indicator corrects the indicated airspeed for changes in temperature and pressure encountered as aircraft changes altitude. By aligning outside temperature and pressure altitude with setting knob, movable airspeed scale is rotated proper amount so pointer registers true airspeed. Factory new. TSOD for certificated aircraft. Dual scale. Add PN#10-02614 for custom range marking and specify exact range markings desired. *NOTE* - All lit instruments require a light tray. Light tray sold separately. See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8030-B168\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255375810902,"sku":"10-00192","price":2149.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-00192.png?v=1781870805"},{"product_id":"10-00192-1","title":"United Airspeed Indicator 40-300M\/40-260K Lt","description":"\u003cp\u003eThe true airspeed indicator corrects the indicated airspeed for changes in temperature and pressure encountered as aircraft changes altitude. By aligning outside temperature and pressure altitude with setting knob, movable airspeed scale is rotated proper amount so pointer registers true airspeed. Factory new. TSOD for certificated aircraft. Dual scale. Add PN#10-02614 for custom range marking and specify exact range markings desired. *NOTE* - All lit instruments require a light tray. Light tray sold separately. See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8030-B168L\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255375909206,"sku":"10-00192-1","price":2275.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-00192_23a1ccf9-bd48-48e0-87e7-29a5664eb90e.png?v=1781870807"},{"product_id":"10-00198","title":"United Airspeed Indicator 0-170K","description":"\u003cp\u003eThe true airspeed indicator corrects the indicated airspeed for changes in temperature and pressure encountered as aircraft changes altitude. By aligning outside temperature and pressure altitude with setting knob, movable airspeed scale is rotated proper amount so pointer registers true airspeed. Factory new. TSOD for certificated aircraft. Dual scale. Add PN#10-02614 for custom range marking and specify exact range markings desired. *NOTE* - All lit instruments require a light tray. Light tray sold separately. See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8000-B446\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255376040278,"sku":"10-00198","price":1741.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-03500.jpg?v=1781870806"},{"product_id":"10-00198-1","title":"United Airspeed Indicator 40-170K Lt","description":"\u003cp\u003eThe true airspeed indicator corrects the indicated airspeed for changes in temperature and pressure encountered as aircraft changes altitude. 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See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8000-B446L\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255376499030,"sku":"10-00198-1","price":1941.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-03500_0b90146c-18f0-4e26-856b-578749468232.jpg?v=1781870807"},{"product_id":"10-00201","title":"United Airspeed Indicator 0-260 Knots Only 3","description":"\u003cp\u003eThe 8000 Series Airspeed Indicator is intended for use on an aircraft to indicate the speed relative to the air at sea level and 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. The pressure is indicated in units of airspeed (mph and\/or knots).These 8000 series United airspeeds are TSOd for installation on certificated aircraft. Factory new. Available in dual scale MPH\/knots, or in MPH or knots only. Fits standard 3-1\/8 panel hole. Wt: 0.7 lb. Available with custom range marks see \"Options\" tab. *NOTE* - All lit instruments require a light tray. Light tray sold separately. See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8030-B448\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255376662870,"sku":"10-00201","price":1741.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-00201.png?v=1781870812"},{"product_id":"10-00201-1","title":"United Airspeed Indicator 0-260 Knots Only 3 Lit","description":"\u003cp\u003eThe 8000 Series Airspeed Indicator is intended for use on an aircraft to indicate the speed relative to the air at sea level and 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. 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See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8030-B448\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255376793942,"sku":"10-00201-1","price":1941.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-00201_c0d957b2-87b1-4254-9468-59a49860e1d8.png?v=1781870813"},{"product_id":"10-00203","title":"United True Airspeed Indicator 40-200M\/40-160","description":"\u003cp\u003eThe true airspeed indicator corrects the indicated airspeed for changes in temperature and pressure encountered as aircraft changes altitude. By aligning outside temperature and pressure altitude with setting knob, movable airspeed scale is rotated proper amount so pointer registers true airspeed. Factory new. TSOD for certificated aircraft. Dual scale. Add PN#10-02614 for custom range marking and specify exact range markings desired. *NOTE* - All lit instruments require a light tray. Light tray sold separately. See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8100-B154\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255377023318,"sku":"10-00203","price":2233.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-03500_94c17d0a-47cc-4267-89a6-3338678bae6f.jpg?v=1781870813"},{"product_id":"10-00204","title":"United Airspeed Indicator 55-250M\/55-215K","description":"\u003cp\u003eThe true airspeed indicator corrects the indicated airspeed for changes in temperature and pressure encountered as aircraft changes altitude. By aligning outside temperature and pressure altitude with setting knob, movable airspeed scale is rotated proper amount so pointer registers true airspeed. Factory new. TSOD for certificated aircraft. Dual scale. Add PN#10-02614 for custom range marking and specify exact range markings desired. *NOTE* - All lit instruments require a light tray. Light tray sold separately. See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8125-B178\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255377154390,"sku":"10-00204","price":2233.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-03500_0dcd8fd7-9037-4820-97ad-8b82ff3fdc7f.jpg?v=1781870813"},{"product_id":"10-00216","title":"United True Airspeed Indicator 40-170K","description":"\u003cp\u003eThe true airspeed indicator corrects the indicated airspeed for changes in temperature and pressure encountered as aircraft changes altitude. By aligning outside temperature and pressure altitude with setting knob, movable airspeed scale is rotated proper amount so pointer registers true airspeed. Factory new. TSOD for certificated aircraft. Dual scale. Add PN#10-02614 for custom range marking and specify exact range markings desired. *NOTE* - All lit instruments require a light tray. Light tray sold separately. See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8100-B.261\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255377285462,"sku":"10-00216","price":2233.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-03500_4c217473-cf4c-4e2b-8e5c-b57a5c00072a.jpg?v=1781870815"},{"product_id":"10-00217","title":"United True Airspeed Indicator 40-210K","description":"\u003cp\u003eThe true airspeed indicator corrects the indicated airspeed for changes in temperature and pressure encountered as aircraft changes altitude. By aligning outside temperature and pressure altitude with setting knob, movable airspeed scale is rotated proper amount so pointer registers true airspeed. Factory new. TSOD for certificated aircraft. Dual scale. Add PN#10-02614 for custom range marking and specify exact range markings desired. *NOTE* - All lit instruments require a light tray. Light tray sold separately. See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8125-B.267\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255377383766,"sku":"10-00217","price":2233.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-03500_548084f4-33bd-4be1-b23e-e77caef90d13.jpg?v=1781870816"},{"product_id":"10-00218","title":"United True Airspeed Indicator 0-260K","description":"\u003cp\u003eThe true airspeed indicator corrects the indicated airspeed for changes in temperature and pressure encountered as aircraft changes altitude. By aligning outside temperature and pressure altitude with setting knob, movable airspeed scale is rotated proper amount so pointer registers true airspeed. Factory new. TSOD for certificated aircraft. Dual scale. Add PN#10-02614 for custom range marking and specify exact range markings desired. *NOTE* - All lit instruments require a light tray. Light tray sold separately. See accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8130-B311\u003c\/p\u003e","brand":"United","offers":[{"title":"Default Title","offer_id":54255377482070,"sku":"10-00218","price":1806.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-03500_f41c7fcf-f81d-4dfb-8436-19de8733baf8.jpg?v=1781870817"},{"product_id":"10-00219","title":"United True Asi 60-350K Only","description":"\u003cp\u003eThe true airspeed indicator corrects the indicated airspeed for changes in temperature and pressure encountered as aircraft changes altitude. 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All ranges available in knots.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 16-211-140\u003c\/p\u003e","brand":"UMA","offers":[{"title":"Default Title","offer_id":54255382888790,"sku":"10-00507","price":397.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/umaairspeed2.jpg?v=1781870883"},{"product_id":"10-00508","title":"UMA 2-1\/4 Airspeed Indicator 40-180 Knots","description":"\u003cp\u003eUMA 2-1\/4\" MINIATURE AIRSPEEDS ALL MODELS Click for price A fine quality instrument of new manufacture for the exceptional homebuilt aircraft. Matte-white dial markings. Fits standard 2-1\/4\" instrument panel opening. Space saving dimensions: 2-3\/8\" x 2-3\/8\" x 3-1\/4 L. All ranges available in knots.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 16-211-180\u003c\/p\u003e","brand":"UMA","offers":[{"title":"Default Title","offer_id":54255382954326,"sku":"10-00508","price":396.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/umaairspeed2_54367c89-ca73-4948-9c53-0729eff90a1c.jpg?v=1781870884"},{"product_id":"10-00509","title":"UMA 2-1\/4 Airspeed Indicator 40-200 Knots","description":"\u003cp\u003eUMA 2-1\/4\" MINIATURE AIRSPEEDS ALL MODELS Click for price A fine quality instrument of new manufacture for the exceptional homebuilt aircraft. Matte-white dial markings. Fits standard 2-1\/4\" instrument panel opening. Space saving dimensions: 2-3\/8\" x 2-3\/8\" x 3-1\/4 L. All ranges available in knots.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 16-211-200\u003c\/p\u003e","brand":"UMA","offers":[{"title":"Default Title","offer_id":54255383052630,"sku":"10-00509","price":396.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/umaairspeed2_a7ca1147-f1ce-41f6-bbb1-118a213fc0a8.jpg?v=1781870885"},{"product_id":"10-00510","title":"UMA 2-1\/4 Airspeed Indicator 40-240 Knots","description":"\u003cp\u003eUMA 2-1\/4\" MINIATURE AIRSPEEDS ALL MODELS Click for price A fine quality instrument of new manufacture for the exceptional homebuilt aircraft. Matte-white dial markings. Fits standard 2-1\/4\" instrument panel opening. Space saving dimensions: 2-3\/8\" x 2-3\/8\" x 3-1\/4 L. All ranges available in knots.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 16-211-240\u003c\/p\u003e","brand":"UMA","offers":[{"title":"Default Title","offer_id":54255383183702,"sku":"10-00510","price":396.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/umaairspeed2_68aa0016-015e-4e5e-b846-ac1f8cef9586.jpg?v=1781870886"},{"product_id":"10-00511","title":"UMA 3-1\/8 Airspeed Indicator 20-140 MPH \/ 120 Knots","description":"\u003cp\u003eThese highly accurate Airspeed Indicators use a diaphragm to sense the difference between the pitot pressure and static pressure. Standard dial markings are black and white. NON TSO Approved. 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Intended for use in experimental aircraft only.Note: An inverter is required for the Internal Lighting Option (P\/N 10-02083 UMA 14V LIGHT INVERTER)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 16-311-240\u003c\/p\u003e","brand":"UMA","offers":[{"title":"Default Title","offer_id":54255383380310,"sku":"10-00514","price":387.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/umaairspeed1_227a63db-87cd-4fea-9335-b095ad30be8c.jpg?v=1781870890"},{"product_id":"10-01029","title":"UMA 3-1\/8 Airspeed Indicator 40-200 MPH","description":"\u003cp\u003eThese highly accurate Airspeed Indicators use a diaphragm to sense the difference between the pitot pressure and static pressure. Standard dial markings are black and white. NON TSO Approved. 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Must be added at time of checkout and will add 10-12 weeks lead time.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e T16-310-161D\u003c\/p\u003e","brand":"UMA","offers":[{"title":"Default Title","offer_id":54255487189334,"sku":"10-02456","price":914.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/umaairspeed2_89fd865d-0708-4494-8f20-92ce8e108d6b.jpg?v=1781871808"},{"product_id":"10-02600","title":"UMA 3-1\/8 Airspeed Indicator 40-240 MPH \/ 205 Knots","description":"\u003cp\u003eThese highly accurate Airspeed Indicators use a diaphragm to sense the difference between the pitot pressure and static pressure. Standard dial markings are black and white. NON TSO Approved. Intended for use in experimental aircraft only.Note: An inverter is required for the Internal Lighting Option (P\/N 10-02083 UMA 14V LIGHT INVERTER)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 16-310-240D\u003c\/p\u003e","brand":"UMA","offers":[{"title":"Default Title","offer_id":54255492268374,"sku":"10-02600","price":436.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/umaairspeed1_a6ee6167-d706-4e4f-b314-2401f8d520c2.jpg?v=1781871859"},{"product_id":"10-02870","title":"RV7\/RV8 UMA Dualscale Airspeed","description":"\u003cp\u003eThese highly accurate Airspeed Indicators use a diaphragm to sense the difference between the pitot pressure and static pressure. Standard dial markings are black and white. NON TSO Approved. Intended for use in experimental aircraft only.Note: An inverter is required for the Internal Lighting Option (P\/N 10-02083 UMA 14V LIGHT INVERTER)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 16-310-261D\u003c\/p\u003e","brand":"UMA","offers":[{"title":"Default Title","offer_id":54255496364374,"sku":"10-02870","price":532.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/umaairspeed1_403be6c4-12da-4fef-9fc6-6978933716cf.jpg?v=1781871941"},{"product_id":"10-02935","title":"Winter 2-1\/4 Airspeed Indicator 8022 Ebf 0-160 MPH 360 Degree Dial","description":"\u003cp\u003e2-1\/4\" and 3-1\/8\" airspeeds are supplied and marked in MPH and knots scales. Indicators feature 360 degrees sweep for easy reading at a glance. All Winter Airspeeds come complete with mounting screws.Airspeed-indicators measure the difference between total pressure and static pressure.The total (or measured) pressure is sensed by a pitot tube positioned at the stagnation point of the airstream and is carried to the airspeed indicator by a hose. A static pressure sensor can also be connected. The measuring element is an open diaphragm unit with excellent elastic properties; hysteresis (differences between advance and return movement) and secondary elastic effects are negligible. The effect total pressure and static pressure acts on the diaphragm, causing a deformation, that is transferred to the pointer by a linkage and gear mechanism. The different operating ranges of the aircraft can be identified by color markings on the airspeed indicator dial. The instruments are insensitive to shock and vibration.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8022\u003c\/p\u003e","brand":"Aircraft Spruce","offers":[{"title":"Default Title","offer_id":54255496724822,"sku":"10-02935","price":912.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/10-03840.jpg?v=1781871950"}],"url":"https:\/\/www.aircraftpartseurope.com\/collections\/airspeed-indicators.oembed?page=12","provider":"Aircraft Parts Europe","version":"1.0","type":"link"}