Showing posts with label Unlabelled. Show all posts
Showing posts with label Unlabelled. Show all posts

Friday, January 13, 2023

static wicks on aircraft

static wicks on aircraft

Static Wicks On Aircraft - Static discharge wicks in aircraft wings provide a path for the charge to flow back into the atmosphere. Photo: Aviation-images.com/UIG (Courtesy of Getty Images)

If you take flight this summer, you'll see a series of metal teeth protruding from the trailing edge of the wing. They are often misidentified as lightning rods. It actually provides protection against static electricity.

Static Wicks On Aircraft

Static Wicks On Aircraft

Anyone who regularly walks on a nylon carpet knows that static electricity can be generated through the triboelectric process. This can give you a severe electric shock when you touch a metal doorknob. A similar thing happens with airplanes flying through rain or dust particles, as they absorb a small amount of charge from each contact.

Plane Sights Static Wick Covers

This effect is called static precipitation. Because the plane isn't grounded, the charge keeps building up because it has nowhere to go. When the charge becomes strong enough, it spontaneously discharges through its antennae and other limbs in a series of giant sparks technically known as 'corona discharges'. Sparks cause radio interference that can affect aircraft navigation and communications equipment.

Hence the metal teeth of the wings. Known as electrostatic discharge fuses, these fuses provide a path for charge to slowly flow back to the atmosphere without sparking or radio interference. This document requires additional citations for verification. Help improve this article by adding citations to credible sources. Unsourced material may be contested and removed. Find Source: "Static Discharger" - News · Newspapers · Books · Scholar · JSTOR (December 2009) (Learn how and what to remove this template message)

An electrostatic discharger, also called an electrostatic fuse or electrostatic discharge fuse, is a device used to remove static electricity from aircraft during flight. They take the form of small rods pointing backwards from the wing and are fitted to almost all commercial aircraft.

Static precipitation is an electrical charge on an aircraft as it flies through rain, snow, ice or dust particles. Charge is also built up by friction between gas and air. When an aircraft has a high charge, it is released into the surrounding air. Without an electrostatic discharger, the charge would be discharged in large quantities through the pointed ends of the aircraft, such as ants, wingtips, vertical and horizontal stabilizers, and other protrusions. Discharge produces broadband RF noise from DC to 1000 MHz that can affect aircraft communications.

Mystery Of The Spikes On Plane Wings Solved: Static Wick Explanation

Electrostatic dischargers are installed on the rear edge of the aircraft to control this discharge to allow continuous operation of the navigation and radio communication systems. This includes (electrically grounded) ailerons, elevators, rudders, wings, and horizontal and vertical stabilizers. Static arresters are high electrical resistance devices (6-200 megohms) with a sharper tip and a lower corona voltage than the surrounding aircraft structure.

Electrostatic dischargers are not lightning rods and do not affect the chance of an aircraft being struck by lightning. It will not work if it is not properly attached to the aircraft. There must be a conductive path from any part of the aircraft to the arrester. Otherwise, it becomes useless. Access panels, doors, covers, navigation lights, Antna mounting hardware, control surfaces, etc. can generate static noise if they cannot be discharged through static fuses.

It is part of an aircraft static discharger. Notice the two sharp metal microdots and the yellow plastic for protection.

Static Wicks On Aircraft

The first electrostatic dischargers were developed by a joint Army-Navy team led by Dr. Ross Gunn at the Naval Research Laboratory and were installed on military aircraft during World War II. It was proven effective in extreme weather conditions in 1946 by a US Army Air Corps team led by Captain Ernest Lynn Cleveland.

Damazio Family's Rv 10 Project: Research: Static Wicks

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what makes airplanes fly

what makes airplanes fly

What Makes Airplanes Fly - If you've ever wondered how high planes fly and why they need to maintain cruising altitude, you've come to the right place!

If you fly frequently, you hardly pay attention to routine flight steps. The plane takes off and climbs in the first 15 to 20 minutes of the flight. Once the plane reaches cruising altitude, the flight attendants start circling and the pilot can announce that you are free to move around in the cabin (although you still need to leave your phone in airplane mode). Once the descent begins, it's time to fasten your seat belts in anticipation of landing. During this time between climb and descent, the aircraft moves at a constant altitude. But how high do planes fly? And why do they have to stay at a certain altitude? If you've ever asked these questions during those long hours of staring out that little round window, we've got the answers in this fiery piece of airplane trivia!

What Makes Airplanes Fly

What Makes Airplanes Fly

The flight altitude of a commercial aircraft depends on the size of the aircraft. But in general, most commercial passenger planes fly between 32,000 and 40,000 feet, or six to seven and a half miles from the ground. Turboprops, which are smaller planes that typically carry a handful of passengers rather than hundreds, fly at a lower altitude of around 25,000 to 30,000 feet. But since these propeller planes are often used for short haul flights, they might be limited to lower altitudes simply because once they reach a higher altitude it's time to start descending.

Funny Pilot I Make Airplanes Fly By Jobeaub

Remember the story of Icarus, the hero of Greek mythology who flew too close to the sun and died when his wings melted? Passenger planes are not at risk of melting if they fly too high, but there are issues with cabin pressure and oxygen that require them to stay below set altitudes. Theodore Kirazis, captain of the Airbus A-320/321 and retired USAF F-15 pilot, explains in non-aeronautical terms:

Commercial airlines need to operate as efficiently as possible to make money, not just charging for inflight Wi-Fi. This makes fuel economy one of the most important factors when planes fly. The short answer, according to Kirazis, is that turbojets burn less fuel because the air density decreases. There are some sophisticated calculations, but essentially the speed and angle at which the aircraft climbs is determined by weather conditions and the size of the aircraft; Larger planes weigh more, in part because they carry so much heavy fuel that it burns as it climbs.

According to Kirazis, an hour of climbing can burn a whopping 10,000 pounds of fuel. And get this: "If a major airline saved just one gallon of gas on each of its flights for an entire year, the cost savings for that item would be over $15 million!"

The higher an airplane flies, the faster it can fly - up to a point. “The less dense air at higher altitudes means that the actual speed at which the aircraft is moving over the ground is much faster than what the airspeed indicator on the aircraft shows pilots in the cockpit,” says Kirazis. That means the plane is making better time than the instruments indicate. But the downside is that extremely cold temperatures will slow the aircraft down. To balance this, pilots find that happy medium between fuel-saving high altitude and the slowing effect of subzero temperatures. In case you're wondering, that's not why it's so cold on planes.

This Is What's Keeping Electric Planes From Taking Off

No one likes to encounter turbulence in flight, but it's more likely to happen during ascent and descent. "A lot of turbulence associated with weather systems can be avoided above 35,000 feet," says Kirazis, which is part of the reason commercial airliners like to climb above storms and stay there. The exception, he says, are thunderstorms, which can reach 50,000 feet in the atmosphere. When this happens, the plane must go through the storm or around it.

For all the scary things that can happen if a plane flies too high, flying too low can be just as dangerous. In addition to flying through bad weather systems at lower altitudes, there is much more general aviation traffic at lower altitudes, including smaller commercial and private aircraft.

Another big risk of flying at low altitude? Shock with encore. "Most double strikes happen during takeoff and landing," says Kirazis. These include 2009's "Miracle on the Hudson" and Captain "Sully" Sullenberger's heroic landing. Flying above 10,000 feet greatly reduces the risk of a bi-air encounter.

What Makes Airplanes Fly

Elizabeth Heath is an Italy-based travel and lifestyle writer. Her writings on travel and sustainability have appeared in national and international publications and she is the author of several travel guides. For sister publication FamilyHandyman.com, she writes about pets (especially dogs!), books, seasonal gift guides, home improvements, and outdoor living.

What Is Being Done Right Now To Make Flying Greener?

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wauwatosa airplane crash

wauwatosa airplane crash

Wauwatosa Airplane Crash - A preliminary report released yesterday by the National Transportation Safety Board includes details about the May 26 crash in Wauwatosa.

The report also details the final moments before the teenage pilot crashed into a residence in the 4600 block of North 103rd Street in Wauwatosa.

Wauwatosa Airplane Crash

Wauwatosa Airplane Crash

According to the report, the pilot, 18-year-old Daniel Perlman, took off that day in a Cessna 152 with two lights. When Perlman took off on the second flight, the report notes that the plane's ground speed changed before it slowly stabilized. about 36 mph at 175 feet above the ground.

Author Hopes To Shine Spotlight On World War Ii Fighter Plane Crash In Preston

Stabilization lasts about five seconds before a rapid descent occurs. Perlman told ground control he was having engine trouble and said, "It's stuck, I don't know what to do," according to an audio clip obtained by WISN-TV.

The NTSB will release a more comprehensive final report, but it is not yet known when the report will be released.

The initial report was released almost three weeks after the accident. There have been several memorials in recent weeks, including a memorial to Daniel's actions. Hosted by Chabad Waksha-Brookfield, the event allowed the community to honor the young pilot by doing a favor in his honor; Over 1,300 favors were placed during the memorial.

Our subscriptions enable this reporting. Consider supporting local journalism by subscribing to the Journal Sentinel at /deal. A small plane crashed in the yard of a Wauwatosa home Thursday afternoon and the pilot suffered life-threatening injuries, police confirmed.

Western Lake Plane Crash With Dogs: First Responders That Helped In Wauwatosa, Wisconsin, Adopt Some Of The Rescued Pets

WAUWATOSA, Wis. - A small plane crashed in the yard of a Wauwatosa home Thursday afternoon, and the flying student who was piloting the plane is now suffering from life-threatening injuries, police confirmed.

The Wauwatosa Fire Department said the plane went down at 103rd and Cortland. Police confirmed on Friday that the pilot was a flying student.

Police Chief James McGillis said at a news briefing that the sole passenger, an 18-year-old man, was taken to hospital with life-threatening injuries. No other casualties were reported.

Wauwatosa Airplane Crash

The pilot took off from Appleton's Timmerman Airport and the 91st before the plane crashed, the chief said.

Year Old Pilot Dies After Crashing Single Engine Plane In Wauwatosa Neighborhood

Officials at Milwaukee Mitchell International Airport tell us they are aware of a small private plane that made an "off-airport landing" in the area. They add that nearby Timmermans Airport is closed to arriving and departing aircraft. But the small airport has reopened after an airport inspection.

The FAA says the small plane that crashed is a Cessna 152 registered to Spring Green Aviation in East Oconomow. This is a flight school company.

Radio traffic between the pilot and Timmerman Airport reveals a mechanical failure before the crash. At about 2:55 p.m. The pilot calls the tower: "We're reporting an engine failure. It's not working."

The Wauwatosa Police Department tweeted that residents should avoid the area as emergency crews secure and investigate the scene. North 103rd Street is closed between West Glendale Avenue and West Hampton Avenue, police said.

Year Old Pilot Critically Injured After Crashing Small Plane Into Wauwatosa Neighborhood

"My wife looked out the window and said, 'That's a plane in the backyard.' I couldn't believe it. It was pretty crazy until I went outside and it was a plane in the backyard," he said.

"They took the pilot out of the plane, put him on a stretcher and took him away," added Bob Dietlemeyer.

Rashad Hicks was preparing to mow the lawn when the plane crashed into his backyard. He may have been at home when the plane crashed. pic.twitter.com/dFZHfjnmAP — Tony Atkins (@TonyAtkinsTV) May 26, 2022

Wauwatosa Airplane Crash

Tosa Police Chief McGill: One person on the plane, believed to be an 18-year-old male. It is still up to you to decide who that person is. He was taken to a local hospital in critical condition. Emergency notification before the plane descends. Police believe he took off. @ pic.twitter.com/wPMe6HAPZf — Bruce Harrison (@BruceHarrisonTV) May 26, 2022

Only Occupant Hospitalized In Wauwatosa Plane Crash; In Critical Condition

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watsonville ca airplane crash

watsonville ca airplane crash

Watsonville Ca Airplane Crash - Authorities are investigating a collision between two Cessnas at Watsonville Municipal Airport in California, which killed at least two people.

WATSONVILLE, Calif. (AP) – Three people are dead after two small planes collided while trying to land at a rural airport in Northern California.

Watsonville Ca Airplane Crash

Watsonville Ca Airplane Crash

The names of those killed in Thursday's plane crash at the Watsonville Municipal Airport will be released after their families are notified, the Santa Cruz County Sheriff's Office said.

Investigators Work Site Plane Crash Watsonville Editorial Stock Photo

According to the Federal Aviation Administration, two people were aboard the twin-engine Cessna 340 and only the pilot was aboard the single-engine Cessna 152.

The city-owned airport does not have a control tower to control the take-off and landing of aircraft. According to the City of Watsonville website, the airport accounts for approximately 40% of all total aviation activity in the Monterey Bay area.

Photos and videos from the scene on social networks showed the wreckage of a small plane in a grassy field outside the airport. One of the photos shows a plume of smoke visible from a street near the airport.

A witness told the SaSanta Cruz Sentinel that the planes were 200 feet in the air when they crashed.

Pilot Injured In Small Plane Crash Near Livermore Municipal Airport, Official Says

Frankie Herrera was passing the airport when he saw the twin-engine plane turn hard to the right and hit the wing of the smaller plane, which "just spun and crashed" on the side of the airfield and away from homes. told the newspaper.

A 65-year-old San Diego man suffered serious but non-fatal injuries when his single-engine plane crashed into a street near a busy intersection in El Cajon, authorities said.

The plane reportedly crashed into an SUV, but no one on the ground northeast of the city of San Diego was injured.

Watsonville Ca Airplane Crash

Later, the pilot of the ultralight plane was seriously injured when it crashed into a building at Camarillo Airport in Ventura County, about 60 miles from downtown Los Angeles. A mid-air collision between two small private planes at the Watsonville Municipal Airport on Thursday at 3:00 p.m.

Federal Investigation Into Fatal Plane Collision Underway

A witness named Steve said he saw planes trying to land while clipping their wings, and one plane tipped over before landing near the start of the main runway.

Meanwhile, the second plane, a larger twin-engine Cessna 421, continued down the runway and crashed into a grass field, bursting into flames before entering the hangar. According to authorities at the scene, there was a man, a woman and a dog on that plane. They all died at the scene.

The Cessna 152, piloted by a man, landed on its roof near the start of the runway at the intersection of Buena Vista Drive and Calabasas Road and was destroyed on impact.

"I just dropped off a friend of a friend and I saw planes hitting each other," he said. "The big twin-engine plane was very stable before the wings hit. The little plane just spun down and hit the ground here. I saw the other plane going there before it crashed."

Dead After 2 Small Planes Collide Mid Air At California Airport, Authorities Say

A trail of plane parts, including a large section of a wing, was strewn through the neighborhood and over Buena Vista Drive. The trail of debris forced officials to close Buena Vista between Liberty Boulevard and Bowker Road.

A large patch of dry grass was burned when the twin-engine plane crashed before crashing into Hangar Y behind the Animal Clinic on Airport Boulevard.

One person was reported dead Thursday when his Cessna single-engine plane collided with another plane in mid-air and crashed in a field surrounding the Watsonville Municipal Airport. Photo: Tarmo Hannula/The

Watsonville Ca Airplane Crash

Tarmo Hannula has been the lead photographer for The in Watsonville since 1997. It also provides information on a wide range of topics including police, fire, environment, schools, arts and events. A fifth-generation Californian, Tarmo was born in the Mother Lode of the Sierra, Columbia, and has lived in Santa Cruz County since the late 1970s. He received his BA from UC Santa Cruz and has traveled to 33 countries.

Planes Collide Over Watsonville Airport, Killing Multiple People

Each year, local arts organization Pajaro Valley Arts (PVA) hosts an annual Members' Exhibition where members have the opportunity to display their artwork...

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stripping aircraft paint

stripping aircraft paint

Stripping Aircraft Paint - The Finowfurt Aviation Museum has many historical aircraft of the NVA and former Soviet forces. Many exhibits required a new coat of paint, which could only be applied by first removing the old paint and then repainting the aircraft. A sander can also remove paint, but it can also damage the body.

This is the first time Systeco's vacuum injection method has been used in such a case. Thanks to this aircraft vacuum cleaning technology, paint can be removed without damaging the fuselage.

Stripping Aircraft Paint

Stripping Aircraft Paint

Vacuum blasting is a method of sandblasting for surface cleaning. Unlike sandblasting, this method does not create dust and sparks, as the removed particles and granules are immediately sucked up and filtered inside the cyclone.

Story Tall Robot Ready To Laser Airplane Paint At Port San Antonio

This minimally abrasive technology allows for environmentally friendly paint removal and surface stripping. This vacuum processing technology cleans used pellets in a continuous cycle, allowing them to be reused. This innovative technology of vacuum blowing allows it to be used both indoors and in high-risk areas. No special labor protection measures are required.

This environmentally friendly blasting technology is an ideal alternative to traditional sandblasting. Also, dry ice cleaning and high pressure machines cannot match this unique vacuum treatment method.

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Thursday, January 12, 2023

static wick aircraft

static wick aircraft

Static Wick Aircraft - This image of what looks like "nozzles" is now being shared on social media as proof that the secret spraying program uses commercial jets (ie the "chemtrail" theory).

However, these are just static reduction wicks, short sections of wire bolted to the wings that reduce any build-up of static electricity. Without these wicks, static electricity can build up on the wings and uncontrolled sparks can interfere with communication and navigation equipment.

Static Wick Aircraft

Static Wick Aircraft

The image that is being passed around has a very forced perspective. It looks like wicks along the entire length of the wing, but it's actually only a few meters towards the tip of the wing. The walls are barely visible in most pictures of the 747-8F because the plane is so big and the walls are so small.

File:static Discharger With Plastic Guards.jpg

Below is a patent for static discharge Wick. It's basically a piece of multi-strand steel cable, covered in plastic, less than half an inch thick.

There is actually a "nozzle" in the picture, a fuel drain valve. From a power point of view, it looks like it's in the middle of the wing, but it's actually near the end (with the wicks)

Here is the vent in action. Jets sometimes have to dump fuel when returning after takeoff (or landing halfway to their destination) due to emergency situations.

And here's a picture of the fuel dump with the static wick visible, giving it a nice scale. This is on a 777.

Mystery Of The Spikes On Plane Wings Solved: Static Wick Explanation

I found this small tube like object discussed in the forum in 2009, this picture is what was discussed.

Prodiax: These static wicks also created controversy. A man has spied a plane undergoing maintenance and claimed that the system was actually used to release products. External source content I looked up static wicks and headed down the path of the Boeing PDF file to find the supplier of the item in question, HR Smith (Technical Development) Ltd., and a link to the product page.

Thanks to @Fin for the original question. I'll hijack the OP for a more detailed and useful explanation/debunking

Static Wick Aircraft

From the Airbus manual. This shows where they are and how many are missing or served. Airbus calls them "Static Dischargers".

Cessna 414 Dayton Granger Static Wick

Gridlock said: Not many things on the plane are allowed to lose 1/5 of .... interesting, thanks. Click to expand...

Depends on the plane. My place has a chart of what the A-10 is designed to fly without. That's... Enlightening.

The aircraft was designed to fly with one engine, one tail, one elevator and half a wing missing.[51] Content from external sources https://en.m.wikipedia.org/wiki/Fairchild_Republic_A-10_Thunderbolt_II

Mick West said: And here is a picture of a fuel dump with static wicks visible, giving a good sense of scale. This is on a 777. Click to expand... I found a close up of this in my iPhoto library. Retrieved December 6, 2011 from United Airlines flight 935: Maintenance scheduled to affect the Stack Overflow & Stack Exchange Network site and chat is scheduled for Thursday January 19th from 9:00 PM to Friday, January 20th at 12:00 PM EST (Friday) January 20th 02:00 - 05 :00 UTC). The sites will be in WRITING ONLY mode during this period.

Safeway Aviation Static Wick Protector Pn 7101 5

Stack Exchange is a question and answer site for aircraft pilots, mechanics and enthusiasts. It only takes a minute to register.

I recently personally saw an SU-27 belonging to the Ukrainian Air Force. I noticed some elements protruding from the tail and I wonder what they are called and what they do?

I believe these are static discharge wicks. You can see a similar size / shape of wicks in the 1/32 scale model of the SU-27 discussed here but, more importantly, you can find them marked with the number 53 in the cutaway image below. The label is written as Разрядники статического злектричества, which according to Google Translate is "ESD arrestor" (or static discharge wick).

Static Wick Aircraft

This is different from the shape of the wicks found in most US GA aircraft (just a straight wire, potentially with some insulation around the bottom), but, as discussed on Aerospaceweb, the Wick design (mainly the inverted cone shape shown). Here) helps to increase the gradient in the electric field from the edge to the bottom of the wall. This encourages accumulated charge to migrate back into the atmosphere from the controlled point and reduces interference with on-board electronics and radio systems.

Static Wing Marker

By clicking "Accept all cookies", you agree that Stack Exchange may store cookies on your device and disclose information in accordance with our cookie policy. This article requires additional references for verification. Please help improve this article by adding citations to reliable sources. Non-source material may be challenged and removed. Find source: "Static discharger" – news · newspaper · book · scholar · JSTOR (December 2009 ) (Learn more about how and what to delete this template message)

Static dischargers, also called static wicks or static discharge wicks, are devices used to remove static electricity from aircraft in flight. It is shaped like a small stick that points back from the wing and is installed on almost all civilian aircraft.

Static precipitation is an electrical charge on an aircraft caused by flying through rain, snow, ice or dust particles. Charge is also accumulated through friction between the airframe and the air. If the plane's load is large, it is discharged into the surrounding air. Without static dischargers, the charge is discharged in large batches through pointed plane extremities, such as antennas, wingtips, vertical and horizontal stabilizers, and other projections. The release creates broadband radio frequency noise from DC to 1000 MHz, which can affect aircraft communications.

To control this discharge, to allow continuous operation of navigation and radio communication systems, static dischargers are installed on the trailing edges of the aircraft. This includes (electrically grounded) ailerons, elevators, rudder, wings, horizontal and vertical stabilizer tips. A static discharger is a high electrical resistance device (6-200 megohms) with a lower corona voltage and a sharper point than the surrounding aircraft structure.

Static Wick Damaged By Lightning Strike.

Static dischargers are not lightning arresters and do not affect the likelihood of an aircraft being struck by lightning. It will not work if they are not properly attached to the plane. There must be a conductive path from all parts of the aircraft to the exhaust or they are useless. Access panels, doors, hoods, navigation lights, antenna mounting brackets, control surfaces, etc. can create static noise if they cannot be discharged through the static wick.

Part of the static discharger in the aircraft. Note two sharp metal micropoints and protective yellow plastic.

The static dischargers were first developed by a joint Army-Navy team led by Dr. Ross Gunn of the Naval Research Laboratory and was attached to military aircraft during World War II. They proved to be effective in extreme weather conditions in 1946 by the United States Air Force team led by Captain Ernest Lynn Cleveland.

Static Wick Aircraft

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