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🔥 Difference between 'slotted wing' and 'fixed slat' - PPRuNe Forums

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Is there a difference between a flap and a slat or they are the same thing? Stack Exchange Network Stack Exchange network consists of 175 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Leading edge slats serve the same purpose as slots, the difference being that slats are movable and can be retracted when not needed. On some airplanes, leading edge slats have been automatic in operation, deploying in response to the aerodynamic forces that come into play during a high angle of attack.
As nouns the difference between slat and slot is that slat is a thin, narrow strip or bar of wood or metal while slot is a broad, flat, wooden bar, a slat, especially as used to secure a door, window, etc or slot can be a narrow depression, perforation, or aperture; especially, one for the reception of a piece fitting or sliding in it or slot can be the track of an animal, especially a deer.

21 - Trailing & Leading Edge Devices

Best Answer: Leading edge devices such as Kruger flaps, and slats reduce the pressure peak near the nose by changing the nose camber. Slats permit a new boundary layer to start on the main wing portion, eliminating the detrimental effect of the initial adverse gradient.
The angle of attack of the slat being less than that of the mainplane, there is a smooth airflow over the slat which tends to smooth out the eddies forming over the wing. Slats are usually fitted to the leading edge near the wing tips to improve lateral control. The Socata Rallye is an example of a light aircraft that utilizes leading edge slats.
As nouns the difference between slat and slot is that slat is a thin, narrow strip or bar of wood or metal while slot is a broad, flat, wooden bar, a slat, especially as used to secure a door, window, etc or slot can be a narrow depression, perforation, or aperture; especially, one for the reception of a piece fitting or sliding in it or slot can be the track of an animal, especially a deer.
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Difference between 'slotted wing' and 'fixed slat' - PPRuNe Forums Difference between slot and slat in aircraft

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Slat definition, a long thin, narrow strip of wood, metal, etc., used as a support for a bed, as one of the horizontal laths of a Venetian blind, etc. See more.
Powered - The Modern Slat. Powered slats appear on many large aircraft and provide the same benefit of an automatic slat. However, they're electrically or hydraulically powered - increasing reliability. The flight crew sets the slat position via cockpit controls. The slats below are on an MD-80, but the design is found on nearly every airliner.
Airplane wings are optimized for the cruising speed of the aircraft, since that is the normal operating condition for 95% of its life. But landing an aircraft at cruising speed is very difficult and dangerous, and would require much longer runways...

starburst-pokieSlat vs Slot - What's the difference? | WikiDiff Difference between slot and slat in aircraft

Slat vs Slot - What's the difference? | WikiDiff Difference between slot and slat in aircraft

Powered - The Modern Slat. Powered slats appear on many large aircraft and provide the same benefit of an automatic slat. However, they're electrically or hydraulically powered - increasing reliability. The flight crew sets the slat position via cockpit controls. The slats below are on an MD-80, but the design is found on nearly every airliner.
The slat moves outwards and/or downwards to create a slot. The region of low static-pressure over the wing is now connected to the region of high static-pressure pressure under the wing. The energized airflow from under the wing is sucked up above the wing. The separation of airflow over the wing is delayed.
The difference between three nouns : " gap", slot" and " slit" If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed.

Difference between slot and slat in aircraftcasinobonus

difference between slot and slat in aircraft I'll start the furry ball rolling - to me, a Fixed Slat is a slat mounted on extensions from the leading edge whereas a Slotted Wing has slots 'built in' to the section.
Memory fails me but I believe Handley Page had a machine with a slot built into the section - anyone recall?
Over to the dogs.
Is there a difference between these two?
In my experience, both terms are used pretty well interchangeably.
As you will see there were lots of slots!!
As you can see here section 4the 'slot' can be at any point in the section, its function primarily is to re-energise the upper surface boundary layer with 'high pressure' air to improve attachment, in this case just in front of the flaps.
Southampton University cover it well at page 93 of doc Memory fails me but I believe Handley Page had a machine with a slot built into the section - anyone recall?
Handley Page invented the slotted slat at the wing leading edge which postpones stalling to a higher angle of attack.
I am still searching for an aircraft I recall from signal and slot in qt5 dim and distant past which had a spanwise slot about 1 foot back from the L Edge - I thought it was HP but so far no sign of it.
It was either a single or twin engined machine The remarkable Me163 rocket plane had fixed slotted outer wing sections.
Some versions of F4 had a fixed slat on their anhedral tailplanes.
I think the only likely 'candidate' so far there is the 163.
I cannot find a planform of the Turbulent but I'm pretty sure like the 2 from FD those are 'fixed slats', not slots.
From an aerodynamic standpoint, they both do the same thing.
From a difference between slot and slat in aircraft standpoint, I'd say a fixed slat is something separate bolted onto a given airfoil, whereas a slotted wing is an air channel cut within that airfoil.
In other words, take a given airfoil, and bolt something on the front of it to produce a slot, and that is a fixed slat.
Take it off, and you are back to your original airfoil.
Conversely, take a given airfoil and cut a slot through it, and the overall external profile of the airfoil is still the same.
Remove the slot and the portion of airfoil ahead of it and you no longer have the original airfoil.
BOAC: the best I could find is this link: Slot quite clear on the wing outer section.
Did not also the G91 not have a wing slot?
From the "lite" peanut gallery.
Slats seemed to be like those on the F-100.
They didn't pop out until the AoA was above "x".
Or were manually controlled.
Some really old planes had those like the Stinson and others.
Possibly slot machine cheats devices of the ME-109 variants.
Then we had basic leading edge difference between slot and slat in aircraft like the A-7 and F-16 had.
The A-7 ones came down with teh flaps.
The Viper ones worked full time acoording to AoA and mach, but were fixed down at "x" degrees when gear handle was lowered.
The DC-8 has slots inboard of each engine pylon that open and close with flap movement closed when flaps up and open when flaps extended.
Slats, to me, are something different.
The DC-8 has slots inboard of each engine pylon that open and close with flap movement closed when flaps up and open when flaps extended Thank you all for your answers.
Definitely they are similar in operation, but I couldn't find a clear photo of a slotted wing.
Like many terms use in aviation "slots" and "slats" can mean more than one thing according to applicability and historical pedigree!
I'll stick to the common understanding of the terms as I've come to know them.
While I have simplified my explanations somewhat, it's my hope that I've not strayed so far away from the objectively academic so as to promote any misunderstanding.
Most commonly, a slot is difference between slot and slat in aircraft gap through which higher pressure air can https://money-games-bonus.website/and-slots/slots-and-ports-in-motherboard.html from the lower airfoil surface to the upper surface.
As the air passes through the slot it increases in velocity and is added to the airflow over the upper airfoil surface.
This adds energy to the boundary layer airflow over the upper surface, thus increasing the critical angle of attack in the area behind the slot.
By delaying the onset of airflow separation to a higher AOA, slots increase the maximum coefficient of lift attainable across a particular airfoil section.
Slots may be found placed slightly aft of a wing leading edge fixed slotbetween a leading edge slat and the wing leading edge or between trailing edge flap segments on a multi-segment trailing edge flap system such as Fowler flaps.
The fixed slot is typically placed along the outboard section of a wing leading edge.
Placed as such, the critical AOA is higher in the outboard portion of the wing than the inboard portion, thus promoting inboard to outboard stall progression and maintaining aileron effectiveness to a higher AOA.
This is especially useful in reducing the roll moment produced by asymmetrical stalls.
Wing washout and and stall strips are two other methods available to accomplish similar results on a constant chord wing, though perhaps somewhat less effectively.
A slat may be fixed or moveable.
A slat extends forward and downward into the airstream.
If fixed, it is sometimes referred to as a leading edge "cuff".
If moveable, slats may be actuated by a powered aircraft system such as hydraulic or electrical.
Slat rails are placed at intervals along the wing span and oriented longitudinally to guide the slat along it's travel path.
A slat is to a droop leading edge as a Fowler flap is to a plain flap.
DLEs and plain flaps simply hinge down, increasing wing camber, while Fowler flaps and slats extend downward AND transit along the chord line.
Both the Fowler flap and the slat increase the wing surface area in addition to increasing the airfoil camber as they extend.
Dynamic pressure pushes them back to the stowed position when the AOA is reduced enough.
I hope that's helpful, westhawk The DC-8 has slots inboard of each engine pylon that open and close with flap movement closed when flaps up and open when flaps extended.
The slots on the DC8 were an early modification for the DC8-12 model.
Initial operations must have shown there was some issue which they overcame.
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Slat vs Slot - What's the difference? | WikiDiff Difference between slot and slat in aircraft

Difference between 'slotted wing' and 'fixed slat' - PPRuNe Forums Difference between slot and slat in aircraft

We will acquaint you with some of the lesser known differences between slot and bingo machines that come out as much more important than those that majority of us know. The Core Difference. Before proceeding, the main difference between bingo machines and slots has to be mentioned.
Airplane wings are designed for best performance at cruise, where, presumably, they spend most of their time. Fuel consumption is a vital statistic for commercial airlines and therefore wing sections are designed with this in mind.
Best Answer: Leading edge devices such as Kruger flaps, and slats reduce the pressure peak near the nose by changing the nose camber. Slats permit a new boundary layer to start on the main wing portion, eliminating the detrimental effect of the initial adverse gradient.

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