Questions tagged [aerobatics]

The practice of flying maneuvers involving aircraft attitudes that are not used in normal flight, e.g. a barrel roll.

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44 views

Maneuvering Speed Discrepancy

In this page from the limitations section of the Extra Flugzeugbau 330SC, it states I’m curious as to the discrepancy between maneuvering speeds Va between operation in the Normal Category and the ...
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Which aerobatic maneuvers are most likely to make people airsick?

I'm interested in classifying aerobatic maneuvers by their propensity to cause airsickness. While there will be some variation across a population, I think we can use first principle arguments to show ...
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How do you request a 3D block of airspace to to freely maneuver your privately owned military jet?

Referring to this How can you fly your own military jet in terms of altitude and acrobatics? how can you request a block of airspace to freely maneuver your private military jet (barrel rolls, ...
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What differentiates the entry procedures for spins and snap rolls?

Both a spin and a snap roll are aerobatic manoeuvres involving stalling one of an airplane's wings earlier and more deeply than the other. Both are entered by pitching up sharply to stall the ...
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Fly a fixed wing single propeller airplane like a helicopter?

Has anyone tried to "helicopter" an airplane? And succeeded? And posted this video on the internet where I can find it? What I'm talking about with what I would call a "helicopter&...
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Whenever I hear a plane throttling down quickly, what is happening visually?

I am completely blind and have heard this several times when I was at air shows. Then my friend sent me this recording of a crop duster spraying the fields, and I heard the same type of sound. It ...
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Do aerobatics pilots do more to account for turbulence in their flying than passenger plane pilots?

Non-aviator here. I was trying to make a comparison when talking to a friend earlier about how when you're trying to do something complicated and delicate, you have to do more to account for ...
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535 views

If pilot use rudder to roll the aircraft at high AOA in the F4 Phantom then one aileron from one wing and one spoiler from other will be deflected?

I have heard that the F4 Phantom pilots can make barrel rolls at lower speed /higher AOA. They use only rudder deflection and keep the stick column centered (left /right wise)-only pull onto the belly ...
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How safe are extreme aerobatic flights?

Statistically, how safe are extreme aerobatics flights like this one?
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Are there any true aerobatic helicopters that aren’t built around the Bo-105?

I know that some aerobatic maneuvers have been performed (legally or otherwise) in many different models of helicopters. However, to my knowledge, I have only heard of Bo-105s being specifically ...
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How long can an aerobatic (or any) plane fly "on its side"? [duplicate]

This recent question Can a plane bank without turning? asked if a plane can sustain some amount of roll in straight flight, sure they can. Consider an aerobatic plane (perhaps a Pitts?). As far as I'm ...
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What are flight envelope limits of the Stearman Model 75?

Recent monopropeller aerobatic aircraft such as the Zivko Edge 540 have impressive flight envelops limits (up to ±12G, $V_{NE}$ (230 kn) up to 4 times its stall speed ($V_s = 51kn$), low stall speed, ....
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Why does wingwalking use only biplanes?

Wingwalking is an aerobatic discipline with shows such as this one. The definition of wingwalking from Wikipedia gives no other alternative than using biplanes: Wing walking is the act of moving ...
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496 views

Forces "felt" by pilot, G-meter, inclinometer--are they the aerodynamic forces generated by the aircraft, or the sum of weight+centrifugal force?

Consider a pilot sitting at the CG of an aircraft, with instruments also located at the CG of the aircraft. (Feel free to consider other cases as a bonus, but the core of the question is aimed at ...
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1answer
517 views

How do the fighter jets in air shows color their smoke trails?

At some large military parades or airshows, there will be tiers of fighters arranged neatly. In order to increase the visual effect, white or colored smoke will be sprayed from the tail of the ...
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Where can a 300lb person get a spin endorsement in Miami? [duplicate]

I'm in Miami Working on my CFI, I'm at the level of trying to get my spin endorsement. The problem is I'm 6'2" and 300lb, so I need your help.
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Why do non-aerobatic aircraft have a negative G limit?

Why do airplane wings have limit load of both positive and negative g's (e.g., the Weedhopper ultralight has a load factor of +5 and -2gs). Why not just have a positive limit load since most airplanes ...
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1answer
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In the US, are inside loops permitted while flying a US- registered DG-1000S sailplane in the "utility" category?

Are inside loops are permitted while flying a US-registered DG-1000S sailplane in the US in the utility category? FAR 91.1 seems highly relevant: §91.9 Civil aircraft flight manual, marking, ...
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1answer
557 views

Are loops or rolls allowed in the "utility" category in any US-certified airplane or glider?

In actual practice, is there any US-certified airplane or glider where the approved flight manual, or cockpit placards, indicate that loops, rolls, or any other similarly aerobatic maneuvers other ...
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In the US, would it ever be legal to fly a loop in any airplane or glider that was operating in the "utility" rather than "acrobatic" category?

1) In the US, would it ever be legal to fly a loop in any US-registered airplane or glider that was operating in the "utility" category rather than the "acrobatic" category? (Assuming that no special ...
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Is it legal to do a barrel roll? [duplicate]

Is it legal to barrel roll a plane? Are you allowed with any pilot license? Are there any requirements for the plane to be allowed to barrel roll?
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What are the effects of adding power to a 45 degree banked aircraft?

In a recent question it was proposed that adding excess power to an aircraft in a level 45 degree banked turn would cause it to pitch up into a rolling climb. This case was compared with level flight ...
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Are there any known instances of airline pilots passing off aerobatics as “turbulence”?

Inspired by this Far Side cartoon, which shows the pilots of (presumably) a passenger airliner rolling the plane steeply from side to side, and claiming (to the passengers) that they’re just passing ...
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Where is the inclinometer "ball" in a knife edged turn?

Discussion of steep turns has lead to a question about where the inclinometer ball would be if the plane rolled to 90 degrees. Also, would there be any difference if the plane simply rolled to 90 ...
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What G forces does a pilot perceive in a "1 G" barrel roll? [duplicate]

This is a follow on to an earlier discussion about pilot perception of G forces compared with actual aerodynamic loads on an airframe. Years ago, the Boeing 707 prototype famously did not one, but ...
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What is the cheapest plane one can buy to fly above Mach 1 and be able to pull 8g plus?

Which plane would you suggest for someone who would like to be able to fly fast enough to break the sound barrier, yet also be able to pull lots of Gs? What would be the price of such a plane, and ...
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What has happened to make me experience negative G with the control stick FULL AFT near the top of a loop?

I experienced negative G with the control stick FULL AFT near the top of a loop. My questions: Aerodynamically, what happened? Was the wing meeting the air at a negative-lift angle-of-attack (...
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How was this flight authorized?

In this clip, we see a fighter performing risky manoeuvres at very low altitude around a densely populated civilian area. What authorization would have been required for this and why would it be ...
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Are there any aids (like a padded "belt") that can ease hip discomfort during aerobatics?

When flying aerobatics, particularly maneuvers such as a slow roll, I frequently experience rather high discomfort on my jutting hip bones. I've googled "padded belts" but I have not found anything ...
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585 views

Can a zero hour pilot actually launch a Bombardier Q400 with only simulator experience? [duplicate]

The thief of the Bombardier Q400 at SEATAC stated that he had a lot of simulator flying (I'm guessing like Flight Simulator for the PC?) Some "experts" stated that he must have had more than that to ...
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Fighter YO-YO counter measure?

In a dogfight ("A" Scenario), aircraft "A" is being shot at by aircraft "B". In order to lead aircraft "A", "B" must turn inside "A" and will soon overshoot if "B" does not perform a defensive ...
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How do aerobatic aircraft land?

The aerobatic aircraft I've seen don't have any flaps or air-brakes, besides they're taildraggers so I guess they usually have to do stall landing or three point landing but I don't understand how the ...
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546 views

Why do aerobatic aircraft have separate tanks instead of a single acrotank?

I've been reading about fuel tanks in aerobatic planes such as the Extra 330, Edge 540, XA41 and I don't really understand why in the Extra 330 there are separated center tanks and an acrotank instead ...
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544 views

Which kind of stability do aerobatic aircraft have? [closed]

I'm designing an aerobatic aircraft similar to EXTRA 330SC. I would like to know about stability: lateral and longitudinal, static and dynamic. I read that aerobatic aircraft have neutral static ...
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Why do aerobatic planes have symmetrical wings?

Besides the fact that symmetrical wings fly the same inverted as upright are there any other reasons why aerobatic planes prefer symmetrical wings? Can symmetrical wings achieve a higher critical ...
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How I determine numerically the roll rate of an aircraft?

I'm a Spanish student of aerospace engineering and I'm doing my final bachelor work that consists in designing an unlimited aerobatic plane, and I wonder if it is possible to calculate an ...
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Which modern day prop (piston) engines allow for inverted flight?

A buddy of mine is looking to buy an airplane with an old radial engine because he says radial engines can fly inverted in aerobatic flying. What modern day engines (engines that you can buy today), ...
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887 views

The FARs "require" the wearing of parachutes for certain types of maneuvers. Is parachute training required?

FAR 91.307 (c) requires that each occupant of an aircraft must wear an approved parachute during the execution of certain types of maneuvers (e.g., more than 60 degrees of bank or or 30 degrees pitch,...
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Why would the front edge of an aileron fold outward?

I was just enjoying a movie of one Svetlana Kapanina flying her EA300. One camera looks out of the cockpit over the left wing. In a couple of scenes, the aileron of the wing can be seen quite clearly. ...
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Why would a plane descend rapidly in uncontrolled manner after a steep turn?

Here's some footage from 2010 Red Bull Air Race. At 0:17 the plane is passing through a gate and then makes a steep turn to the left and that requires the plane to have left wing pointing almost ...
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What is the difference between a tail slide and a whip stall?

Can someone tell me what the difference is between a tail slide and a whip stall? Whip stalls are prohibited as far as I know in the C152 Aerobat but watching a video of a whip stall it looks exactly ...
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What's the purpose of "over G" penalties in Red Bull Air Race?

This post mentions that if a Red Bull Air Race pilot exceeds 10G acceleration limit for longer than 0.6s on their plane then they are unconditionally disqualified with "did not finish" result no ...
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What kind of plane could be leased back to a flight school?

I was having a brief chat with the CFI at a local club/school and he talked about lease back, assuming that the maintenance and insurance is paidfor by the lease back and isnt an issue the question is ...
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Is it possible to fly a Cessna 172 vertically?

My question has two dimensions: Disclaimer: Hypothetical question, I am a humble private pilot! How fast you need to be and how fast you need to turn up so that you do not burn out all your kinetic ...
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Can a barrel roll really be executed at a constant 1G?

I see this stated from time to time, for example in an answer to Can large airliners do aerobatics such as loops? A barrel roll is one thing; they can be performed at constant load factor of 1 G (...
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378 views

Could a helicopter perform a forward inversion (front flip)?

This is inspired by a previous question What would happen if I bank a helicopter then pull hard on the cyclic? I've seen some pretty radical videos of piloting by Chuck Aaron, but I've not seen a ...
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452 views

How is that there is no leak through the fuel vents during aerobatics maneuvers?

Can anyone tell me how aircraft such as jet fighters and stunt planes design the fuel tank vent system to prevent fuel leaking through the vents when performing aerobatics, 360 flips and complex ...
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1answer
2k views

What is the procedure to enter, maintain and recover from a flat spin?

Looking for a play-by-play from the pilot's seat of a Pitts biplane. What thoughts, considerations and control inputs are required to enter & maintain a flat "pretty" spin and a calculated exit ...
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2answers
2k views

What is the typical value of maximum lift coefficient for aerobatic aircraft?

I'm working on a conceptual design phase project for aerobatic aircraft (for university) and I can't seem to find any statistics about key aerodynamic properties (such as in the question), so I hope ...
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Why use an airplane with non-retractable landing gear for aerobatics?

I'm watching footage from Red Bull Air Race 2017 in Kazan (one example is ) and clearly at least some of the airplanes used have non-retractable landing gear. I was ...