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Why Fuel Flow Transducer Is Beneficial In Aircraft}

Submitted by: Joseph Polizzotto

Fuel Flow Transducers: The origin, advantage and current status

It was 1972 when that time leading U.S. avionics manufacturer Aerosonics began testing fuel flow transducers for use in general aviation aircraft. It was the first time someone took transducers seriously and tried to make one capable enough to withstand the vibrations of aircraft engines. It was important that it meets FAA regulations about blocked-rotor pressure drop without exceeding the 1.5 times the pressure drop of a spinning rotor. The chief advantage of a fuel flow transducer is that a blocked rotor does not affect the pressure drop in fuel-flow transducers. This imparts superior accuracy and an extraordinary repeatability for the devices and today, fuel flow transducers rule the roost when it comes to fuel flow measurement.

Fuel Flow Transducer: What does it do?

Unless the engine gets an even and steady flow of fuel, there will be a lot of hiccups and its overall performance will run downhill. In engine terminology, this is called knocking, but hiccups might occur due to a myriad other reasons too! To ensure that the flow of hydrocarbon fuels most common being gasoline, kerosene, diesel and aviation fuel is correct, you need to read from the fuel flow transducer.

Or, maybe theres an excess amount flowing, resulting in a rich-burn engine. The fuel flow transducer comes handy again! It helps you to check fuel wastage.

Fuel Flow Transducer: How it works?

The fuel flow transducer works upon a vane EGT Gauge, located downstream behind the fuel filter and the Digital EGT Gauge. It usually stays in combination with manifold air pressure or MAP.

The transducer produces a current-pulse signal from an opto-electronic pickup thats fitted with a preamplifier. It has a 100 to 1 flow-range and gives out signals repeatedly and can measure fuel-flow down to 0.3 gallons/hour; however, the transducer bearing system is rated for continuous operation at the upper end of the flow range. It also conveys to the pilot the information about the health and performance of the engine and helps the pilot to keep the engine running within its operating limits to ensure maximum reliability.

Fuel Flow Transducer: Operating principles

The liquid fuels rotational velocity is proportional to its flow rate. Upon entering the flow chamber, it moves along a helical flow-path before exiting vertically. It helps to vent any vapour bubble that might exist. This vapour-venting design requires the transducer to be positioned with electrical connectors pointing up.

A neutrally-buoyant rotor spins with the liquid between V-jewel bearings and its movements are sensed when its notches interrupt an infrared light beam emitted by a LED with a phototransistor on the opposite side.

Note: Turbulence caused by valves or sharp elbows mounted close to the transducer inlet can affect transducer K-Factor and should be minimized.

J.P. Instruments has added a whole line of reliable and cost effective aircraft instrumentation to its name. Among these are engine data management systems, fuel flow gauges, and GPS moving maps.Pilots and mechanics alike have come to know JPI for its high quality, good service, and utmost reliability.

About the Author: J.P.Instruments was founded in 1986 in Huntington Beach, California, USA. J.P. Instruments is leader in aircraft engine data management systems and has added a whole line of reliable and cost effective aircraft instrumentation to its name.Visit Here For More Information :


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Dlf Privana Residential Project Develop In Greenish Region Of Araville In Gurgaon}

Submitted by: Annya Kumar

DLF Privana to be found in Sector 76 77 Gurgaon is a private housing expansion consisting of low rise green apartments in Stilt + 3 towers anywhere stilt face is owed designed for means of transport parking. Will be shaped by signifies of spaciousness added to privacy be abundant, which is a selection of luxuriousness by way of comfort, includes all the indispensable qualities for example club residences together with ample parking space for investors along with over and above visitors.

A bright designed 500 acres region of master plan emerald on sole side as well as Araville hills on previous plane to the DLF Privana fashionable houses by signifies of 3 BHK Utility associations is a part of DLF flats in sector 76, 77 Gurgaon Township. Green areas of peaceful seating are the areas together with out of the sun trees packaging countless the site proposes you the information of being comfortable in the spirit of Mother Nature.

Strange concentration has been engaged to confirm that there is sufficient gap among the buildings on top of each floor offers a rich in company with vigorous setting of daylight in company with ventilation by method of windows on every side in this 113 acres district. Your house at this growth will be brighter as of restricted by the sun in addition to freshet by cool waft of air driving throughout the accommodation all day. Nothing is to imagine here for the motive that you too bask in a magnificent viewpoint of the picturesque adjacent.

Each low rise tower proposes an open space

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Floors of Air- habituated with Spilt AC

Air- conditioned play section for teenagers

Indoor in the midst of outdoor games

Exacting region for gatherings

Devoted lift for each floor plus 2 devoted Car Parking on top of the stilt level

Identical patio exact for every floor owner.

DLF Group is tremendously grave relating to the security added to protection of their residents. Thats why complete principles are under CCTV observation. The enjoyment together with self-assurance of investors is very significant.

This accommodation scheme is on the junction peak of Golf Course Extension Road in addition to National Highway 8 is early venture of way of life featuring best design, obvious arrangements of buildings on top of floor plans designed in the middle of caution. This is not basically a building; it’s a calculated suggestion to propose you benchmark of living countys that enlarge in company with your views with satisfy the stylish requirements of existing standard of living.

DLF Privana 77 Gurgaon is a facing system as of the DLF designers Group. Fictional together with planned to fetch fashionable eases in addition expediencies yet as offering a peaceable on top of serene putting for your group. Its where you can enjoy current consoles in addition to metropolitan usefulness by denotes of picturesque green areas. Will be fashioned in the midst of spaciousness over and above assurance make money, which is an assortment of luxury by means of comfort. For more info visit

About the Author: A new luxury apartment launch by DLF Group, DLF Privana located at Sectors 76 & 77, Gurgaon. This project is offering low rise special residences with 3 BHK usefulness arrangements are a fraction of DLF Garden City Township. For more info visit


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