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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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2answers
114 views

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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2answers
265 views

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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3answers
325 views

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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1answer
145 views

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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2answers
125 views

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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3answers
260 views

Simulation of Bombardier Q400 vs Actual Piloting of a Bombardier Q400 [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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1answer
96 views

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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0answers
178 views

What airspeed is required for a Hercules C-130J to do a loop?

Last Wednesday a Lockheed Martin LM-100J performed a loop at the world-famous Farnborough Air Show. This is was so impressive! I wonder what kind of airspeed is required for this kind of stunt?
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3answers
201 views

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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1answer
244 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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Which kind of stability have the aerobatic aircraft?

im designing an aerobatic aircraft (similar to EXTRA 330SC) and i would like to know about the stability lateral and longitudinal, estatic and dynamic. I read somewhere that the aerobatic aircraft ...
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1answer
373 views

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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1answer
555 views

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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3answers
399 views

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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1answer
218 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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2answers
2k views

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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5answers
4k views

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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1answer
258 views

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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2answers
6k views

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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0answers
100 views

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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2answers
429 views

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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4answers
3k views

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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157 views

Would a helicoper be able to 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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1answer
202 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
470 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
660 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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6answers
6k views

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 ...
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3answers
537 views

How long can an average aerobatic plane sustain 0g?

How long can an average aerobatic plane sustain 0g safely?
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5answers
444 views

How can you fly at 0kts without stalling?

At 0g, stall is theoretically impossible. In practice, can a maneuver be performed that, by bringing the aircraft to, or very close to 0g, also brings the aircraft to a temporary standstill, or near ...
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1answer
1k views

What is the largest aircraft that has been flown inverted successfully?

What is the largest aircraft that has been flown inverted? For the purpose of the question: Sustained inverted flight is not necessary, therefore barrel rolls and loops count The aircraft must be ...
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2answers
645 views

What would happen if I bank a helicopter then pull hard on the cyclic?

Prompted by Simon's response to my question here, I will ask another question about reality. If I: Start with a AH-6 helicopter in a hover Pitch down slightly to accelerate, then slowly increase ...
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3answers
205 views

Is it normal for instantaneous GLOC to occur at 5 G's?

Is it normal for a trainee to have an instantaneous G-force induced loss of consciousness (GLOC) at 4-5 G's in a light military trainer aircraft like Socata TB 30 Epsilon, after doing a manoeuvre ...
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1answer
166 views

What techniques, tools, or instruments are used while performing zero-g parabolic dives? [duplicate]

There are companies that sell "zero g" rides, where the aircraft is configured specifically to take people and possibly experiments through a parabolic dive to experience a short period of micro-...
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1answer
1k views

May aerobatics be performed over a controlled airport?

CFR 14 Part 91.303 states: Aerobatic flight. No person may operate an aircraft in aerobatic flight-- (a) Over any congested area of a city, town, or settlement; (b) Over an open air ...
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3answers
8k views

What are those things at the wing tip of an aerobatic aircraft?

See: The radially placed needle-like things that resemble a snowflake in the first picture. The triangular structure in the second picture. In the third picture, the object placed on only one wing In ...
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1answer
118 views

What is the name of the figure consisting of a slow revolution around longitudinal axis? [duplicate]

"An airplane performing one slow revolution around its longitudinal axis is performing one of these..." This was a clue on Jeopardy today. The contestant responded with, "What is a barrel roll?" ...
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1answer
337 views

How do fuel trim and air bubbles prevention work in inverted flight?

I was reading Why do many GA aircraft not have a "Both" fuel selector? and voretaq7's excellent answer got me to thinking. He cites the regulations noting that the plane must only draw fuel from one ...
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4answers
6k views

Why is Russian super-maneuverable thrust vectoring more prevalent than American?

Based on the sheer number of super-manouverable thrust vectoring Russian fighter jets, it seems that Russia has put more effort into developing thrust vectoring for enhanced maneuverability than the ...
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2answers
721 views

Are low wings less safe for aerobatics training?

I fly a low wing (CZAW SportCruiser) and am looking for aerobatics training schools, however I can only find schools with high wings available for training. My plane has "no aerobatics" placards ...
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2answers
371 views

During inverted banking, what happens to heading?

In normal flight, a plane that banks will turn and change heading. What happens if the plane is inverted? If the plane rolled 180° to wings-level inverted flight, then it will not be turning. But if ...
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2answers
259 views

Which aerobatic manuvers should I restrict myself to if I wear glasses?

Are there aerobatic maneuvers which I should never attempt if I wear glasses? Or, is there a specific G-loading which is not recommended for pilots who wear glasses? I'm not into competitive ...
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1answer
314 views

Under EASA rules, what do I need to do to be able to perform aerobatics?

In addition to the aerobatics mentioned in the title, I would also be interested into formation flying. Is there a specific licence to be acquired? Does a licence covers both? What are the ...
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1answer
299 views

How does an airplane do a Kulbit manoeuvre?

Some time ago, I came across a GIF of a Russian military airplane doing a Kulbit manoeuvre (Probably for showoff). How, in terms of control surface movement, does an airplane to the Kulbit? Source: ...
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1answer
5k views

Are there full scale helicopters capable of sustaining inverted flight?

Background I'm a model aviation enthusiast and really enjoy seeing how far people can push the limits of aerobatics. Model aircraft are able to push the limits well beyond full scale due to their ...
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2answers
11k views

What is the difference between a barrel roll and an aileron roll?

I was going through social media and I came across this GIF image that showed a plane doing some sort of roll. It was labeled "Barrel Roll" but in the comments to the post, someone said that it was ...
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1answer
607 views

Can helicopters perform the Split S maneuver?

In the animation movie "Planes 2" we see the helicopter (Blade character) performing first a 180° roll (getting inverted chassis up and rotor down) and then the U-shaped half loop down into the normal ...
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2answers
676 views

Can manoeuvres like overbanking and high G braking be used in a single propeller aircraft?

While watching this very interesting short movie: I noticed that for some turns pilot uses overbanking like at 1:25. Basically in a turns more than 90 of bank is used....
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1answer
675 views

What is the meaning of “Docile pitch behavior” in the context of Pugachev's Cobra?

In another answer on SE Aviation it is mentioned that the ability to perform Pugachev's Cobra in a non-thrust-vectored aircraft needs "docile pitch behavior of the airframe up to approx. 110° angle ...
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2answers
1k views

What are these lights above the panel in a Blue Angels cockpit?

I found the following picture on the Blue Angels Facebook page: What is the purpose of the lights over the pilot's panel? (The two on the top are green)
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1answer
590 views

What is the concept behind being able to continuously pour iced tea while rolling an airplane?

I recently saw Bob Hoover's famous video in which he is pouring tea while he is rolling the plane. Can you explain the physics that allow the tea to flow "up" when the plane is upside-down? Why doesn'...