Why does the A-4 Skyhawk sit nose-up when on ground?What stops planes from being stolen?What is this tube along the right side of a Blue Angel?Why are First/Business Class seats at the front of aircraft where it is the least safe?How is the area rule applied on airliners like the A380?Is there a good reason why modern airliners can't have conventional landing gears (vs. tricycle landing gears)?What is the purpose of these labels on an aircraft's wings?How do the uninterrupted and interrupted flaps compare?In the old days, why didn't aircraft use simpler systems to land on a Carrier?How much extra weight is added by strengthening a piston-prop fighter for carrier landings?Advantages and disadvantages of air intakes above fuselage/wings in jet fighters?
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Why does the A-4 Skyhawk sit nose-up when on ground?
What stops planes from being stolen?What is this tube along the right side of a Blue Angel?Why are First/Business Class seats at the front of aircraft where it is the least safe?How is the area rule applied on airliners like the A380?Is there a good reason why modern airliners can't have conventional landing gears (vs. tricycle landing gears)?What is the purpose of these labels on an aircraft's wings?How do the uninterrupted and interrupted flaps compare?In the old days, why didn't aircraft use simpler systems to land on a Carrier?How much extra weight is added by strengthening a piston-prop fighter for carrier landings?Advantages and disadvantages of air intakes above fuselage/wings in jet fighters?
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
$begingroup$
The rear of the plane is nearer to the ground, while the front part of the plane is away from the ground (see image below).
Other planes are more flat.
I think it was for high AoA but these planes are carrier operated so I don't think there is much sense for that.
(wikimedia.org)
aircraft-design landing-gear douglas-a-4-skyhawk
edited 7 hours ago
ymb1
75.5k9 gold badges245 silver badges405 bronze badges
asked 8 hours ago
Jonathan IronsJonathan Irons
1,5881 gold badge12 silver badges34 bronze badges
$endgroup$
|
show 1 more comment
$begingroup$
The rear of the plane is nearer to the ground, while the front part of the plane is away from the ground (see image below).
Other planes are more flat.
I think it was for high AoA but these planes are carrier operated so I don't think there is much sense for that.
(wikimedia.org)
aircraft-design landing-gear douglas-a-4-skyhawk
edited 7 hours ago
ymb1
75.5k9 gold badges245 silver badges405 bronze badges
asked 8 hours ago
Jonathan IronsJonathan Irons
1,5881 gold badge12 silver badges34 bronze badges
$endgroup$
1
$begingroup$
Not sure what you’re asking. Are you commenting that it dits nose high in its landing gear?
$endgroup$
– Carlo Felicione
8 hours ago
$begingroup$
The landing gears arent the same height which gives the plane a "taildragger posture". Why?
$endgroup$
– Jonathan Irons
8 hours ago
$begingroup$
@CarloFelicione Its best observable in the Wikipedia. Open its article and CTRL+F "color scheme". (Wikipedia is banned I cant give you the link for the image)
$endgroup$
– Jonathan Irons
8 hours ago
1
$begingroup$
I think most of what you are seeing is just perspective. I think the "flat A4" in the upper right corner may be parked on a hill or something. I'm not sure how the F4 is relevant to the A4 question though?
$endgroup$
– Ron Beyer
7 hours ago
1
$begingroup$
The A-4 had a mechanically-simple but effective high-lift system that relied on gravity and air pressure to automatically deploy. Not sure about the actual mechanism, but I remember reading somewhere that the high pitch angle helped the deployment.
$endgroup$
– aerobot
6 hours ago
|
show 1 more comment
$begingroup$
The rear of the plane is nearer to the ground, while the front part of the plane is away from the ground (see image below).
Other planes are more flat.
I think it was for high AoA but these planes are carrier operated so I don't think there is much sense for that.
(wikimedia.org)
aircraft-design landing-gear douglas-a-4-skyhawk
edited 7 hours ago
ymb1
75.5k9 gold badges245 silver badges405 bronze badges
asked 8 hours ago
Jonathan IronsJonathan Irons
1,5881 gold badge12 silver badges34 bronze badges
$endgroup$
The rear of the plane is nearer to the ground, while the front part of the plane is away from the ground (see image below).
Other planes are more flat.
I think it was for high AoA but these planes are carrier operated so I don't think there is much sense for that.
(wikimedia.org)
aircraft-design landing-gear douglas-a-4-skyhawk
aircraft-design landing-gear douglas-a-4-skyhawk
edited 7 hours ago
ymb1
75.5k9 gold badges245 silver badges405 bronze badges
asked 8 hours ago
Jonathan IronsJonathan Irons
1,5881 gold badge12 silver badges34 bronze badges
edited 7 hours ago
ymb1
75.5k9 gold badges245 silver badges405 bronze badges
asked 8 hours ago
Jonathan IronsJonathan Irons
1,5881 gold badge12 silver badges34 bronze badges
edited 7 hours ago
ymb1
75.5k9 gold badges245 silver badges405 bronze badges
edited 7 hours ago
ymb1
75.5k9 gold badges245 silver badges405 bronze badges
edited 7 hours ago
ymb1
75.5k9 gold badges245 silver badges405 bronze badges
75.5k9 gold badges245 silver badges405 bronze badges
asked 8 hours ago
Jonathan IronsJonathan Irons
1,5881 gold badge12 silver badges34 bronze badges
asked 8 hours ago
Jonathan IronsJonathan Irons
1,5881 gold badge12 silver badges34 bronze badges
asked 8 hours ago
Jonathan IronsJonathan Irons
1,5881 gold badge12 silver badges34 bronze badges
1,5881 gold badge12 silver badges34 bronze badges
1
$begingroup$
Not sure what you’re asking. Are you commenting that it dits nose high in its landing gear?
$endgroup$
– Carlo Felicione
8 hours ago
$begingroup$
The landing gears arent the same height which gives the plane a "taildragger posture". Why?
$endgroup$
– Jonathan Irons
8 hours ago
$begingroup$
@CarloFelicione Its best observable in the Wikipedia. Open its article and CTRL+F "color scheme". (Wikipedia is banned I cant give you the link for the image)
$endgroup$
– Jonathan Irons
8 hours ago
1
$begingroup$
I think most of what you are seeing is just perspective. I think the "flat A4" in the upper right corner may be parked on a hill or something. I'm not sure how the F4 is relevant to the A4 question though?
$endgroup$
– Ron Beyer
7 hours ago
1
$begingroup$
The A-4 had a mechanically-simple but effective high-lift system that relied on gravity and air pressure to automatically deploy. Not sure about the actual mechanism, but I remember reading somewhere that the high pitch angle helped the deployment.
$endgroup$
– aerobot
6 hours ago
|
show 1 more comment
1
$begingroup$
Not sure what you’re asking. Are you commenting that it dits nose high in its landing gear?
$endgroup$
– Carlo Felicione
8 hours ago
$begingroup$
The landing gears arent the same height which gives the plane a "taildragger posture". Why?
$endgroup$
– Jonathan Irons
8 hours ago
$begingroup$
@CarloFelicione Its best observable in the Wikipedia. Open its article and CTRL+F "color scheme". (Wikipedia is banned I cant give you the link for the image)
$endgroup$
– Jonathan Irons
8 hours ago
1
$begingroup$
I think most of what you are seeing is just perspective. I think the "flat A4" in the upper right corner may be parked on a hill or something. I'm not sure how the F4 is relevant to the A4 question though?
$endgroup$
– Ron Beyer
7 hours ago
1
$begingroup$
The A-4 had a mechanically-simple but effective high-lift system that relied on gravity and air pressure to automatically deploy. Not sure about the actual mechanism, but I remember reading somewhere that the high pitch angle helped the deployment.
$endgroup$
– aerobot
6 hours ago
1
1
$begingroup$
Not sure what you’re asking. Are you commenting that it dits nose high in its landing gear?
$endgroup$
– Carlo Felicione
8 hours ago
$begingroup$
Not sure what you’re asking. Are you commenting that it dits nose high in its landing gear?
$endgroup$
– Carlo Felicione
8 hours ago
$begingroup$
The landing gears arent the same height which gives the plane a "taildragger posture". Why?
$endgroup$
– Jonathan Irons
8 hours ago
$begingroup$
The landing gears arent the same height which gives the plane a "taildragger posture". Why?
$endgroup$
– Jonathan Irons
8 hours ago
$begingroup$
@CarloFelicione Its best observable in the Wikipedia. Open its article and CTRL+F "color scheme". (Wikipedia is banned I cant give you the link for the image)
$endgroup$
– Jonathan Irons
8 hours ago
$begingroup$
@CarloFelicione Its best observable in the Wikipedia. Open its article and CTRL+F "color scheme". (Wikipedia is banned I cant give you the link for the image)
$endgroup$
– Jonathan Irons
8 hours ago
1
1
$begingroup$
I think most of what you are seeing is just perspective. I think the "flat A4" in the upper right corner may be parked on a hill or something. I'm not sure how the F4 is relevant to the A4 question though?
$endgroup$
– Ron Beyer
7 hours ago
$begingroup$
I think most of what you are seeing is just perspective. I think the "flat A4" in the upper right corner may be parked on a hill or something. I'm not sure how the F4 is relevant to the A4 question though?
$endgroup$
– Ron Beyer
7 hours ago
1
1
$begingroup$
The A-4 had a mechanically-simple but effective high-lift system that relied on gravity and air pressure to automatically deploy. Not sure about the actual mechanism, but I remember reading somewhere that the high pitch angle helped the deployment.
$endgroup$
– aerobot
6 hours ago
$begingroup$
The A-4 had a mechanically-simple but effective high-lift system that relied on gravity and air pressure to automatically deploy. Not sure about the actual mechanism, but I remember reading somewhere that the high pitch angle helped the deployment.
$endgroup$
– aerobot
6 hours ago
|
show 1 more comment
2 Answers
2
active
oldest
votes
$begingroup$
Comments on another forum suggest that the A-4 was designed with unusually tall landing gear in proportion to its size to allow a large nuclear bomb to be carried, and that the nose gear was unusually long in relation to the other gear to limit the amount that the nose would drop downward when the nose gear was partially compressed during catapult launches and less-than-optimal landings.
answered 5 hours ago
quiet flyerquiet flyer
2,4924 silver badges30 bronze badges
$endgroup$
$begingroup$
Actually it's not completely clear whether the point being made is that the long strut was specifically to prevent the problems with the nose dropping from being worse, or whether the problems with the nose dropping were a just a side effect of the gear design or other design issues. The long nose strut may have had more to do with just a desire to put the wing at a high angle-of-attack during takeoff even when no unusual compression was going on. I expect that this answer may be improved or replaced by a better one. There are several other carrier aircraft that sit nose-high-- eg Cutlass
$endgroup$
– quiet flyer
5 hours ago
$begingroup$
But that's a different situation as was tailless--
$endgroup$
– quiet flyer
5 hours ago
1
$begingroup$
For corroboration, The long landing-gear struts were dictated by clearance requirements for large stores carried beneath the wings on either side and between the main landing-gear legs. Source: The Evolution of Modern Aircraft via NASA.
$endgroup$
– ymb1
4 hours ago
$begingroup$
Right, it's just not completely clear why the nose-high stance was chosen, even given the long gear-- so not totally satisfied w. the answer yet, more corroboration/ clarification is needed, but I will work your link into the answer, thank you.
$endgroup$
– quiet flyer
2 hours ago
add a comment |
$begingroup$
This was pretty common on naval aircraft from that era which used the launch bridle catapult interface. It gave the aircraft s high angle of attack during launch and helped the aircraft get clear of the bridle at the end of the launch stroke. It’s noticeable on a wide variety of aircraft, including the F7U-3, A4D, A-5, F9F, F8, Suer Etendard, Buccaneer, F3H, just to name a few.
answered 1 hour ago
Carlo FelicioneCarlo Felicione
45.2k4 gold badges83 silver badges163 bronze badges
$endgroup$
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
Comments on another forum suggest that the A-4 was designed with unusually tall landing gear in proportion to its size to allow a large nuclear bomb to be carried, and that the nose gear was unusually long in relation to the other gear to limit the amount that the nose would drop downward when the nose gear was partially compressed during catapult launches and less-than-optimal landings.
answered 5 hours ago
quiet flyerquiet flyer
2,4924 silver badges30 bronze badges
$endgroup$
$begingroup$
Actually it's not completely clear whether the point being made is that the long strut was specifically to prevent the problems with the nose dropping from being worse, or whether the problems with the nose dropping were a just a side effect of the gear design or other design issues. The long nose strut may have had more to do with just a desire to put the wing at a high angle-of-attack during takeoff even when no unusual compression was going on. I expect that this answer may be improved or replaced by a better one. There are several other carrier aircraft that sit nose-high-- eg Cutlass
$endgroup$
– quiet flyer
5 hours ago
$begingroup$
But that's a different situation as was tailless--
$endgroup$
– quiet flyer
5 hours ago
1
$begingroup$
For corroboration, The long landing-gear struts were dictated by clearance requirements for large stores carried beneath the wings on either side and between the main landing-gear legs. Source: The Evolution of Modern Aircraft via NASA.
$endgroup$
– ymb1
4 hours ago
$begingroup$
Right, it's just not completely clear why the nose-high stance was chosen, even given the long gear-- so not totally satisfied w. the answer yet, more corroboration/ clarification is needed, but I will work your link into the answer, thank you.
$endgroup$
– quiet flyer
2 hours ago
add a comment |
$begingroup$
Comments on another forum suggest that the A-4 was designed with unusually tall landing gear in proportion to its size to allow a large nuclear bomb to be carried, and that the nose gear was unusually long in relation to the other gear to limit the amount that the nose would drop downward when the nose gear was partially compressed during catapult launches and less-than-optimal landings.
answered 5 hours ago
quiet flyerquiet flyer
2,4924 silver badges30 bronze badges
$endgroup$
$begingroup$
Actually it's not completely clear whether the point being made is that the long strut was specifically to prevent the problems with the nose dropping from being worse, or whether the problems with the nose dropping were a just a side effect of the gear design or other design issues. The long nose strut may have had more to do with just a desire to put the wing at a high angle-of-attack during takeoff even when no unusual compression was going on. I expect that this answer may be improved or replaced by a better one. There are several other carrier aircraft that sit nose-high-- eg Cutlass
$endgroup$
– quiet flyer
5 hours ago
$begingroup$
But that's a different situation as was tailless--
$endgroup$
– quiet flyer
5 hours ago
1
$begingroup$
For corroboration, The long landing-gear struts were dictated by clearance requirements for large stores carried beneath the wings on either side and between the main landing-gear legs. Source: The Evolution of Modern Aircraft via NASA.
$endgroup$
– ymb1
4 hours ago
$begingroup$
Right, it's just not completely clear why the nose-high stance was chosen, even given the long gear-- so not totally satisfied w. the answer yet, more corroboration/ clarification is needed, but I will work your link into the answer, thank you.
$endgroup$
– quiet flyer
2 hours ago
add a comment |
$begingroup$
Comments on another forum suggest that the A-4 was designed with unusually tall landing gear in proportion to its size to allow a large nuclear bomb to be carried, and that the nose gear was unusually long in relation to the other gear to limit the amount that the nose would drop downward when the nose gear was partially compressed during catapult launches and less-than-optimal landings.
answered 5 hours ago
quiet flyerquiet flyer
2,4924 silver badges30 bronze badges
$endgroup$
Comments on another forum suggest that the A-4 was designed with unusually tall landing gear in proportion to its size to allow a large nuclear bomb to be carried, and that the nose gear was unusually long in relation to the other gear to limit the amount that the nose would drop downward when the nose gear was partially compressed during catapult launches and less-than-optimal landings.
answered 5 hours ago
quiet flyerquiet flyer
2,4924 silver badges30 bronze badges
answered 5 hours ago
quiet flyerquiet flyer
2,4924 silver badges30 bronze badges
answered 5 hours ago
quiet flyerquiet flyer
2,4924 silver badges30 bronze badges
answered 5 hours ago
quiet flyerquiet flyer
2,4924 silver badges30 bronze badges
2,4924 silver badges30 bronze badges
$begingroup$
Actually it's not completely clear whether the point being made is that the long strut was specifically to prevent the problems with the nose dropping from being worse, or whether the problems with the nose dropping were a just a side effect of the gear design or other design issues. The long nose strut may have had more to do with just a desire to put the wing at a high angle-of-attack during takeoff even when no unusual compression was going on. I expect that this answer may be improved or replaced by a better one. There are several other carrier aircraft that sit nose-high-- eg Cutlass
$endgroup$
– quiet flyer
5 hours ago
$begingroup$
But that's a different situation as was tailless--
$endgroup$
– quiet flyer
5 hours ago
1
$begingroup$
For corroboration, The long landing-gear struts were dictated by clearance requirements for large stores carried beneath the wings on either side and between the main landing-gear legs. Source: The Evolution of Modern Aircraft via NASA.
$endgroup$
– ymb1
4 hours ago
$begingroup$
Right, it's just not completely clear why the nose-high stance was chosen, even given the long gear-- so not totally satisfied w. the answer yet, more corroboration/ clarification is needed, but I will work your link into the answer, thank you.
$endgroup$
– quiet flyer
2 hours ago
add a comment |
$begingroup$
Actually it's not completely clear whether the point being made is that the long strut was specifically to prevent the problems with the nose dropping from being worse, or whether the problems with the nose dropping were a just a side effect of the gear design or other design issues. The long nose strut may have had more to do with just a desire to put the wing at a high angle-of-attack during takeoff even when no unusual compression was going on. I expect that this answer may be improved or replaced by a better one. There are several other carrier aircraft that sit nose-high-- eg Cutlass
$endgroup$
– quiet flyer
5 hours ago
$begingroup$
But that's a different situation as was tailless--
$endgroup$
– quiet flyer
5 hours ago
1
$begingroup$
For corroboration, The long landing-gear struts were dictated by clearance requirements for large stores carried beneath the wings on either side and between the main landing-gear legs. Source: The Evolution of Modern Aircraft via NASA.
$endgroup$
– ymb1
4 hours ago
$begingroup$
Right, it's just not completely clear why the nose-high stance was chosen, even given the long gear-- so not totally satisfied w. the answer yet, more corroboration/ clarification is needed, but I will work your link into the answer, thank you.
$endgroup$
– quiet flyer
2 hours ago
$begingroup$
Actually it's not completely clear whether the point being made is that the long strut was specifically to prevent the problems with the nose dropping from being worse, or whether the problems with the nose dropping were a just a side effect of the gear design or other design issues. The long nose strut may have had more to do with just a desire to put the wing at a high angle-of-attack during takeoff even when no unusual compression was going on. I expect that this answer may be improved or replaced by a better one. There are several other carrier aircraft that sit nose-high-- eg Cutlass
$endgroup$
– quiet flyer
5 hours ago
$begingroup$
Actually it's not completely clear whether the point being made is that the long strut was specifically to prevent the problems with the nose dropping from being worse, or whether the problems with the nose dropping were a just a side effect of the gear design or other design issues. The long nose strut may have had more to do with just a desire to put the wing at a high angle-of-attack during takeoff even when no unusual compression was going on. I expect that this answer may be improved or replaced by a better one. There are several other carrier aircraft that sit nose-high-- eg Cutlass
$endgroup$
– quiet flyer
5 hours ago
$begingroup$
But that's a different situation as was tailless--
$endgroup$
– quiet flyer
5 hours ago
$begingroup$
But that's a different situation as was tailless--
$endgroup$
– quiet flyer
5 hours ago
1
1
$begingroup$
For corroboration, The long landing-gear struts were dictated by clearance requirements for large stores carried beneath the wings on either side and between the main landing-gear legs. Source: The Evolution of Modern Aircraft via NASA.
$endgroup$
– ymb1
4 hours ago
$begingroup$
For corroboration, The long landing-gear struts were dictated by clearance requirements for large stores carried beneath the wings on either side and between the main landing-gear legs. Source: The Evolution of Modern Aircraft via NASA.
$endgroup$
– ymb1
4 hours ago
$begingroup$
Right, it's just not completely clear why the nose-high stance was chosen, even given the long gear-- so not totally satisfied w. the answer yet, more corroboration/ clarification is needed, but I will work your link into the answer, thank you.
$endgroup$
– quiet flyer
2 hours ago
$begingroup$
Right, it's just not completely clear why the nose-high stance was chosen, even given the long gear-- so not totally satisfied w. the answer yet, more corroboration/ clarification is needed, but I will work your link into the answer, thank you.
$endgroup$
– quiet flyer
2 hours ago
add a comment |
$begingroup$
This was pretty common on naval aircraft from that era which used the launch bridle catapult interface. It gave the aircraft s high angle of attack during launch and helped the aircraft get clear of the bridle at the end of the launch stroke. It’s noticeable on a wide variety of aircraft, including the F7U-3, A4D, A-5, F9F, F8, Suer Etendard, Buccaneer, F3H, just to name a few.
answered 1 hour ago
Carlo FelicioneCarlo Felicione
45.2k4 gold badges83 silver badges163 bronze badges
$endgroup$
add a comment |
$begingroup$
This was pretty common on naval aircraft from that era which used the launch bridle catapult interface. It gave the aircraft s high angle of attack during launch and helped the aircraft get clear of the bridle at the end of the launch stroke. It’s noticeable on a wide variety of aircraft, including the F7U-3, A4D, A-5, F9F, F8, Suer Etendard, Buccaneer, F3H, just to name a few.
answered 1 hour ago
Carlo FelicioneCarlo Felicione
45.2k4 gold badges83 silver badges163 bronze badges
$endgroup$
add a comment |
$begingroup$
This was pretty common on naval aircraft from that era which used the launch bridle catapult interface. It gave the aircraft s high angle of attack during launch and helped the aircraft get clear of the bridle at the end of the launch stroke. It’s noticeable on a wide variety of aircraft, including the F7U-3, A4D, A-5, F9F, F8, Suer Etendard, Buccaneer, F3H, just to name a few.
answered 1 hour ago
Carlo FelicioneCarlo Felicione
45.2k4 gold badges83 silver badges163 bronze badges
$endgroup$
This was pretty common on naval aircraft from that era which used the launch bridle catapult interface. It gave the aircraft s high angle of attack during launch and helped the aircraft get clear of the bridle at the end of the launch stroke. It’s noticeable on a wide variety of aircraft, including the F7U-3, A4D, A-5, F9F, F8, Suer Etendard, Buccaneer, F3H, just to name a few.
answered 1 hour ago
Carlo FelicioneCarlo Felicione
45.2k4 gold badges83 silver badges163 bronze badges
answered 1 hour ago
Carlo FelicioneCarlo Felicione
45.2k4 gold badges83 silver badges163 bronze badges
answered 1 hour ago
Carlo FelicioneCarlo Felicione
45.2k4 gold badges83 silver badges163 bronze badges
answered 1 hour ago
Carlo FelicioneCarlo Felicione
45.2k4 gold badges83 silver badges163 bronze badges
45.2k4 gold badges83 silver badges163 bronze badges
add a comment |
add a comment |
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1
$begingroup$
Not sure what you’re asking. Are you commenting that it dits nose high in its landing gear?
$endgroup$
– Carlo Felicione
8 hours ago
$begingroup$
The landing gears arent the same height which gives the plane a "taildragger posture". Why?
$endgroup$
– Jonathan Irons
8 hours ago
$begingroup$
@CarloFelicione Its best observable in the Wikipedia. Open its article and CTRL+F "color scheme". (Wikipedia is banned I cant give you the link for the image)
$endgroup$
– Jonathan Irons
8 hours ago
1
$begingroup$
I think most of what you are seeing is just perspective. I think the "flat A4" in the upper right corner may be parked on a hill or something. I'm not sure how the F4 is relevant to the A4 question though?
$endgroup$
– Ron Beyer
7 hours ago
1
$begingroup$
The A-4 had a mechanically-simple but effective high-lift system that relied on gravity and air pressure to automatically deploy. Not sure about the actual mechanism, but I remember reading somewhere that the high pitch angle helped the deployment.
$endgroup$
– aerobot
6 hours ago