UH-1H Huey: Control Methods & Avoiding VRS Tutorial | DCS WORLD
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- čas přidán 17. 07. 2018
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#GRTutorial #DCSTutorial #Huey #UH1H #GR #DCSWorld - Hry
It's a decent intro. I have a few sticking points, though.
1) Do NOT do rapid stick deflections with the rotor unloaded, as it is when on the ground and with the collective "on the floor". The flapping will get out of control, the rotor hub will hit the main rotor shaft (this is called mast-bumping), the shaft may break and the rotor will leave the aircraft. This applies to all 2-bladed teetering rotors, but is still not a good idea with articulated rotors.
2) There is no rudder on the Huey, nor is there on most helicopters. The pedals can be referred to as "anti-torque pedals" or simply "pedals." They control tailrotor pitch, which provides yaw authority.
3) Collective should not be confused with throttle. On smaller helicopters (S-300, for instance) the throttle must be managed manually, though it is generally mixed via a "correlator" with collective position. In the Huey, the engine is governed via main-rotor speed (Nr). Throttle WILL generally increase with increased collective and vice-versa, but they’re not the same thing. The throttle is a separate control that can be mapped to your joystick in DCS.
4) When you first lift off, you have to compensate for three things: Mainrotor torque, tailrotor thrust, and CG. As you increase collective, mainrotor torque increases. This must be countered by the tailrotor, via the pedals, providing a small-ish linear force about a large moment arm. This linear force will also try to pull the aircraft to the right, which you must counter with left stick/cyclic pitch. This tilts the rotor disk to the left slightly (but not the entire aircraft because of the teetering rotor). Additionally, longitudinal cyclic is required to compensate for longitudinal CG location. With weapons mounted on the hardpoints, you will find you need much more aft cyclic to compensate for the forward CG.
5) You should mention that when you are hovering a few feet above the ground there, you’re in ground effect, which means there is a “cushion of air” below the aircraft, slightly reducing the collective (and power) required to hover. This is actually a stable condition as far as altitude and vertical speed are concerned. As you drift up, the cushion weakens and you then begin to settle back down. As you drift down, the cushion strengthens and you drift back up. In ground effect (IGE), the collective actually works to command your altitude rather than your vertical speed, which is rather convenient when air-taxing.
6) When laterally displacing to the right, it’s worth mentioning that you will need left pedal to keep the nose pointed in the same direction. The aircraft will want to “weathervane” due to sideload on the vertical stabilizer and the fact that you’re putting the tailrotor in a climb condition. You need more tailrotor thrust to compensate. Conversely, left-sideward flight will require right (pro-torque) pedal.
7) I agree that flying the Huey without the trimmer is the way to go. I find that knowing where the stick is at all times really helps be understand what I'm asking the aircraft to do. I find that, when trimming, I get "lost" and I no longer have a feel for where I need to put the stick to do what I want. This issue can be solved with a stick with dampers and no springs, or some sort of active stick (FFB, for instance)
8) Vortex ring state, often called “settling with power,” is NOT a stall. It is a vertical descent condition for a rotor in which a large vortex ring forms around the rotor. Most of the air induced by the rotor disk then gets entrained in the upward flowing air around it and is then recycled back into the top of the rotor. There is little net change in momentum of the air and thus, very little thrust. Increased collective pitch simply works to strengthen the vortex ring. The best way to exit this condition is to enter forward or sideward flight, where a vortex ring cannot form. Vortex ring will only form with very low or zero translational velocity.
9) You will want to use pedals to coordinate the turn when in forward flight. Like in a fixed wing, you “step on the ball,” but unlike fixed wing aircraft, you don’t put it in while you make the lateral stick input. Establish the bank first and then coordinate the turn.
10) The Huey doesn’t want to kill you.
I’ve found the best way to practice slow-speed IGE flight in the Huey is to set up a bunch of trucks at an airfield at various speeds and practice following them around forwards, backwards and sideways. Another thing to practice is the pirouette maneuver, where you circle an antenna or some other tall object, keeping your nose pointed at it the entire time. This puts you in a side flight condition and it really helps you get a feel for the pedals.
Well said!
Some notes on that:
4) "This tilts the rotor disk to the left slightly " You probably worded this in a suboptimal way as I am sure you understand that the whole disk does not tilt relative to the aircraft.
The swash plate creates different AOA for each blade along their path, and (combined with gyroscopic precession) this provides the desired maneuvering torque. Just pointing this out to avoid the common misunderstanding.
(Although the disk will appear to tilt slightly due to reaction forces).
8) I believe vortex ring state can occur with zero indicated airspeed, including the instance where a helicopter is moving downwind at approximately the same velocity as the wind. This is an extreme case where a helicopter with noticeable translational velocity can experience vortex ring.
You should do a video on helo turns and lateral movements!
That was long, but I read all of it. I'm finally getting the hang of flying the Huey, so this is really good, distilled information.
Great video, but actually to avoid VRS you should try and keep your vertical decent speed 500 fmp or under. Typically the lower the better. Also, to get out of VRS the last thing you do is increase the collective. NEVER use collective. You leave the collective alone and use your cyclic to move the helicopter forward or laterally. Slipping out to the side is the preferred and safest method of escaping VRS. The goal is to get out of that cylinder of air that your blades keep recycling causing them to stall out. One thing you also never want to do is try and raise the nose once the stall is detected. (this is based on real world procedures. things might work different in the sim)
Victor Duran well if the vr is only just forming up you can defeat it with sheer power (collective)
This is not always the safest thing to do because when you add collective, you increase the angle of attack (pitch) of the blades which in turn will sometimes increase the effect of VRS. If you have plenty of altitude then go for it, but if you're close to the ground I would never risk it as it's a 50/50 gamble and death or serious injury is not something you want to leave to "luck". Found this video which does an excellent job at visually demonstrating VRS. It should help. czcams.com/video/HjeRSDsy-nE/video.html
Victor Duran completely agree. But we were going for noob friendly :D also DCS allows for just straight power (when initial VRS kicks in) however if you have the altitude and you are well and truly falling then 100% move forwards or sideways as no amount of power will get you out of VRS. Maybe we should do a full vid just on VRS?
No, this is very bad practice as is it enormously difficult to spot whenever you enter VRS; it is much better practice to learn to use your cyclic (or stick) to get out of VRS. Whenever you start to experience loss of lift you have already been in VRS for a good couple of seconds. Raising collective at whichever state of (pre-)VRS only exacurbates the problem.
Indeed, I think it might even be more than 50/50 chance, it nearly always increased the VRS symptoms as you start sucking in more recycled air. Powering up really is not the solution and I see people do it so much in DCS :(
In my year of flying the friendly skies of Vietnam and Laos I never used force trim to hover. The cyclic is in constant motion almost like mixing cake batter. If you use force trim you would be constantly fighting the trim. Same for level flight. You might get a few seconds that you don't have to move the cyclic with the force trim on in level flight but that's all.
Nothing in my Army issued Huey operation manual about VRS. However this may be the same as settling with power. The only time you had to worry about that was when you had a sling load to drop off at high altitude such as a fire base on a mountain top. You have to come to hover and lower the load. If the DA was high better be careful.
I just watched a video from Pilot Yellow (link below) that explains the difference between VRS and SWP. For my money you're correct, because they end up with the same results. But the physics behind each are different.
czcams.com/video/ehV9vLnBICE/video.html&ab_channel=PilotYellow
Do you play DCS or any other flight sims? Do you still fly helis in the civilian world?
@@sumbat1538 I fly in MSFS 2020, DCS, X-Plane 11 and I am starting flight school for regular airplanes in the fall
I think your explanaiton of VRS was actually quite well done Cap; the identification that the problem stems from sucking in your own recycled air (that you have already expunged through your rotors) is key to understanding what is happening. Normally in flight you are experiencing this recycling too, but only at the very edges of your rotor (or your wing if in a jet / plane, thats also where the rolling overwing vapors come from). However in low-speed situations (ie descending vertically at a rapid pace or coming out of translational lift) this recycling air is sucked in at a larger volume, to the point where you loose lift due to you not pushing down air but only recycling it in a vortex: Vortex Ring State (VRS).
It would like to caution against the advice of using more power to get out of (pre-) VRS, on the grounds that adding power nearly always only exacurbates the problem: you are going to suck in more of your recycled air and lose even more lift. Although adding power can sporadically be helpful to avoid VRS, it is very difficult to spot when VRS begins exactly: once you start loosing lift you have already been in VRS for a good amount of seconds and thus raising power (however fast / slow) will only make it worse, which is also why you crashed or were extremely lucky to be able to power out of it. It is an unreliable technique and I myself would not advertise it, but you might get lucky.
The surefire way to get out of VRS is simply to input cyclic (or stick) to break apart the Vortex State; obtaining any movement speed will break apart the vortex of recycled air being sucked in to your rotors and will make you exit the VRS state. You can both accelerate forwards or sideslip out of VRS (as Victor Duran also mentioned). Please try to accomodate yourself into doing cyclic (or stick) and not collective (or throttle) to get out of VRS, as it will save you crashes over time if you wish to fly the helicopters more :)
rhr thx
It's actually more than just going through your prop wash. Your wingtip vortices start expanding and actually pushing down on the rotor from above, which is why increasing collective makes the issue worse. There's a brilliant video every aspiring helo pilot should see imo, it visualizes the issue very nicely: czcams.com/video/HjeRSDsy-nE/video.html
You are so professional in this game
Easy to get into VRS is an understatement. Just got the module and VRS is indeed the bane of me. Study and practice for me, and watching these vids!
Brilliant as usual, many thanks Cap for all you do for us .
the trick is to remove springs from joystick. It will make controlling the heli so much better. Also, absolutely zero deadzones. In real life the cyclic is loosy goosy and does not return to center.
Very good video. Super helpful to a DCS newbie. Cool fast flying part too - shows off the scenery well. Well done.
Great tutorial and yes, one way to prevent the VRS to happen you can use collective but.....
Rule No:1 If you end up in a VRS and start falling NEVER use collective to try get out of VRS.
Once a VRS have started and you fall adding collective only increase the Vortex (VRS) effect and make you fall faster.
To get out of a VRS you increase directional momentum forward or sideways out of the (vortex) VRS draft that way you get control back.
Don't change the collective when a VRS started or during it's course, leave it where it is and quickly add forward momentum by put nose down or role movement sideways or combine them.
A full VRS on low altitude how ever is very hard to regain control from before plummet to the ground and you need lightning reflex once a VRS start in low altitude or you're as good as toasted.
Preferably is to prevent it to happen at all but to practice on higher altitude, cause a VRS to happen then try regain control repet until you have a good grasp of how to.
Knowing how is what might save you from a crash and yes I said might save you.. :P
CHEERS!
Nailed it, great stuff!
Flying a real helicopter is very much a seat of your pants experience. You have to listen and feel for what she is telling you. There are many methods for escaping Settling with power/VRS. If you try pulling power but your sink rate fails to slow or increases it is important to immediately lower collective and push forward to gain forward airspeed (the basic maneuver taught in flight school). Another method (arguably the preferred method for more experienced pilots) is to hold the current power setting (leave the collective alone) and sideslip out of the vortices before adjusting power as necessary to go around for another attempt. NEVER pull collective for power when in VRS. The main reason for this is the aerodynamic situation which you are in. Your main rotor is traveling through its own vortices and therefore unable to generate adequate lift. Adding collective, or increasing pitch angle increases the vortices, therefore increasing the problem. The only solution is to find "clean air" for the rotor to do its job. One thing to watch out for is transferring the problem to the tail rotor (chances are slim, but in the right wind conditions it could happen). These hazards have an increased risk of occurring if you are high, hot, and/or heavy (high altitude, hot ambient temperatures, or at or near maximum gross weight).
All you need now is Fortunate Son playing on repeat 😂
Thanks. This video was very helpful. :)
Great stuff thank you
the best way I found to get out of VRS is if you are high enough, you can pitch forward and add a lot of collective and it will start moving forward again. it is like a plane you want to fly to the direction of the free fall to get out of it.
“At low speed the Huey is going to try and kill you any chance she gets.”
Lmao. So very true. I haven’t crashed her yet but damn if she doesn’t try. Makes me realize how easy the KA-50 is.
the huey is much harder to fly in the game than it is in real life
i flew hueys from 1969-1972 and in my experience it handles slower, and doesent go up and down as fast
also most of the buttons werent used for flying
Thanks, apparently same for the warbirds.
Thank you for your service and for dropping wisdom for us noobs. I need all the help I can get!
Thanks Cap
You can also get tail rotor VRS and well as main rotor. Experienced both IRL.
Although It's not modelled in DCS so no need to worry. Biggest killer of helicopter pilots is wirestrikes.
What is wirestrikes now agai
Purchased the Huey yesterday. Can way to have a play this weekend 🙌😎
it's fab
Thank you cap!
My pleasure, I rarely get to fly her.
Damn Cap. You’ve gotten a 1,000x better at it. Good work
I learned to fly without curvatures... now that I use it, it’s so much easier. I actually need to lower the curve because I feel I have to move the stick too much now. Looks great though. Nice and stable
When I set my trimmer it only looks my Pitch and roll not my rudders
Thanks for the great tutorial. This explains why I'm always slamming into the ground. The tip about setting the trim is also very helpful. I recently purchased the UH1H and 2 of its campaigns when it went on sale (less than 35). Does the settings of xy axis of a joystick also affect its maneuverability? What is the best settings for Huey? Mine is set at default, I believe it's at 0.
Does VRS = "Settling With Power" or "Vortex Ring State"? (these are two different aerodynamic phenomena specific to helicopters) As a "civilian only" helicopter pilot, I was taught "the rule of 3's" to avoid it - Vertical decent rates less than 300 fpm, Indicated Airspeed greater than 30 knots (until in ground effect). The "Left sidestep" maneuver to escape "settling with power" is called the Vuichard Technique/Maneuver and will work quicker/with less altitude loss than attempting to "fly out of it" (works for either VRS or SWP). Also, helicopters don't have a "rudder" and hence, no "rudder pedals" - The pedals are properly referred to as "anti-torque pedals", or simply, "Left Pedal", "Right Pedal" as needed to keep the nose pointed in the correct direction.
czcams.com/video/ehV9vLnBICE/video.html
What's your currently recommended joystick? My old thrustmaster is just too dodgy for smooth heli flight! :)
Vortex Ring State requires 3 regions of flight to achieve. 1, Low or Zero airspeed (Below Translational Lift speed0; 2, some power in use; 3, a modest rate of descent particular to that type of aircraft. In short the rate of descent flow starts to compete with the induced flow through the disk with the result of ultimately stalling the interior part of the disk whilst creating recirculation at the outer part of the disk which reduces the angle of attack and thus lift. The small middle area of the disk can still be producing lift but it is insufficient to hover and, at times, control the aircraft. However, increasing pitch on the blades, once established in VRS, will only exacerbate the situation with a probable reduction in rotor RPM and susequent coning of the disk. All of which just adds to the rate of descent and ensuing crash. The recommendation for getting out of it is to cyclically tilt the disk forward to get airspeed back and thus exit the conditions required for VRS. Obviously, this will result in a loss of height which, by this stage is already significant. Thus, low to the ground, it is a killer. An additional method may be to dump the collective which results in the potential to enter straight into autorotation or stops the induced flow aspect thus giving back control to pitch out and get airspeed. This, however, adds significantly to height loss. Your example seems to be entering VRS as you sink on the minor quick stop but thereafter I would suggest the ensuing crash is because you have fixed the power and thus no longer have enough to prevent a crash.
thx
You can enter VRS in a steep descent under power. You do NOT have to be at "low airspeed". More forward airspeed means that you'd have a harder time entering it however, as the forward airspeed negates the turbulent return flow back to the disk.
The easiest way to get VRS is to hover near buildings or other obstructions. Ask the pilot that flew the lead UH-60 into Abbottabad. That's how he ended up crashing - hovering near the wall and entering VRS.
Regarding the lateral motion from hover..... if I recall it's called "skidding" when used in a deliberate context, like a flight maneuver and not the predecessor to "capsize" I'm trying to correct :)
The loss of lift transitioning from horisontal speed to no speed has very little to do with VRS, but more to do with loss of translational lift. VRS only occurs under high downward velocity with high rotor pitch. 2 very different issues caused by 2 different factors, and which require very different reactions to counteract
I noticed that last bit where he said "That's VRS coming in there". It wasn't VRS it was Transverse Flow.
Great video! Quick question: do you use any joystick extensions? Or any curves in the axis tuning?
No extension, 25 curve.
Going back to the KA50 after flying this for a year shows how easy the Ka50 is to fly.
Nice video, thanks! How did you do that, having another UH-1 opposite flying of yourself?
"Oooh easy now".
Since that's a flying horse, I'm sure that works haha
Very nice! Just wish you had spent a bit more time on the transitioning from level flight to the hover/landing. Anyways! Many thanks GR
"The Huey tries to kill you on every input" didnt realize how true that was until i got the huey module
lol
i almost wish i hadn't bought it but want to be ready if they release an AH-64.. the apache will probably be even harder to fly
@@grimreapers wait, i just got to the part about the trimmer lol
@@erikedhlund4415 Apache will be easier flight wise.
So this might be a dumb question, but why did'nt they build a sort of standard trim when manufacuring? Like a basic trim that is set for hovering couple of feet above the ground.
Great video, Could have touched on how not to melt your engine while in forward flight, using the collective to manage engine power.
roger I best learn that myself.
It is pretty easy to give it too much collective and run the engine EGT in the red, causing it to fail quickly. I had mastered the UH-1 until they modeled the engine failure, then it took some definite adjusting to get it right again.
here's my problem if i put my controls to mirror yours my chopper wants to back up, can't find that happy medium. HELP
0-30kts and 300-500fpm of decent on VSI (Vertical Speed Indicator) to get into VRS.
Decrease cyclick pitch to drop the nose and gain speed
Above 30-50kts level the heli using Cyclic, VSI should be neutral +-0
Increase collective to regain altitude.
also it's not recommended to practice VRS below 500ft AGL ;)
Great video!
thx
*** Great video. After VRS , High EGT ( Exhaust Gas Temperature ) would kill me.
EGTs kill me way more often than anything else.
This video is why I'm about to buy the Huey
Sorry for being a noob. Is the auto trim feature available on the real helicopter or just a DCS thing. Thanks
Vrs can be recovered with ground speed. Dip down and try to get to "planing" again.
Fun fact. One of the only helicopters that can power out of it's own VRS is the S61 Skycrane. When It's not loaded with water of course.
Not true, the Chinook can get out of it easily, with just pedal movement. Side-stepping into clean air ends the error state quickly. That's what you want, you want those blades grabbing clean air. You could think of this as "settling with insufficient power". Some people used to call it "settling under power" but that was both inaccurate and misleading.
Also, you do NOT grab the collective and raise it when recovering from VRS. That is NOT what you are taught in RW flight school. Been there, done that, got the wings from Rucker.
Thanks Captain Obvious.
I guess I haven't flown this for like 5 years now... :D
You should definately do the EGT thing and some autorotations.
Think about the helo pilots in Vietnam. There are a few of them on CZcams who describe their experiences and it's wild to think of what they had to go through,
Good video, just one thing I noticed, Collective isn't the same as throttle. The collective changes the pitch of the blades so that you're taking a bigger bite out of the air so to speak. The throttle increases the speed that the blades rotate at.
Thanks. For some reason in game it's called Throttle.
Some serpentine flying Huey-tutorials would be nice for avoiding AAA-fire.
Decent rate greater than 300 fpm, forward airspeed less than ETL, and 20% or greater collective input.
This is the biggest problem I have: The stick. In a real Huey, there is no spring return to center, which is what 90% of control sticks you have in the market. When you're using a spring to center stick, you're fighting the Huey. So, I took my springs OUT completely. When you move the stick, it stays where you put it and the Huey flies like a champ. It takes a few tries to get out of the spring mindset, but once you get the hang of it, the Huey is a breeze to fly. I am taking off, hovering, moving about at will. And you will find you're hardly ever using the trim. There's no need. The only thing you have to be wary of is removing your hand from the stick. Go to active pause or hit escape to pause the game. Luckily mine has enough friction to stand upright when I balance it. It was a huge game changer.
Check out Skulls genuine Huey soundmod, its really good and adds a lot to the immersion
cool
In the real life, the VRS need three conditions to happen:
1. Speed below of 10 knots (or traslational speed- don't confuse with effectiveness traslational speed that go 12-24 knots).
2. Power between 20% and 100% (% of torque).
3. Descent bigger than 300 feet per minute.
I noticed the rudder trim is a toggle in the Special menu. Is this an added assist? Does the actual Huey have this function? I just prefer to play and practice with all that stuff off.
It's just a cheat to help noobs. Just leave it off I suggest.
I had already some clue because I was in diffrent helicopter trainings.(Simulators, Basic control) I never flew a real helicopter but when I was in Army aviation (Slovak) I flew Mig and my biggest achievement the F-16 and I called it "The chunky boi" because if it's two big external fuel tanks.
I’m fairly new to DCS but this Video has pushed me to purchase the Huey.
Which Airfield is the one in the Video?
Thanks
think it was Novo?
Is the thumbnail from a Tamiya model box cover? (I made decades ago;).
I think so yeh!
Do the multi servers offer missions for Hueys? For example pilot recovery?
yup
@@grimreapersCool thanks. I haven't done online flight sim since IL2 was almost new.
I was so disappointed when you didn't use fortunate son, or Ride of the Valkyries during your fast flight. Also, how did US pilots in Vietnam avoid VRS when coming in for those low and fast landings in say, for example, the Rice Fields?
Is mast bumping modeled in DCS? If so, I'd love to see a GR video on mast bumping and the infamous "Jesus Bolt."
yes. it most definitely is.
Ground resonance is another way to die in a helicopter. Most helicopters that have more advanced rotor systems will simply enter a hover, ending the problem. If you remain in contact with the ground when entering this state, the helicopter can and will shake itself apart, literally.
Yup
What you are describing as VRS is actually the aircraft losing translational lift and requiring you to add more collective as all the lift being produced is from the rotor disk's downward thrust vice the transverse flow of air over your rotor disk by your forward airspeed causing the rotor disk to produce lift like a fixed wing aircraft. when losing translational lift, you can tell the change in flight regime by the slight vibration or buffeting of the huey at low airspeed. This is compounded with dropping airspeed while landing since you drop collective and pull up to kill off your speed while maintaining the same altitude. If you don't bring on the collective before you lose translational lift you lose a lot of altitude, and you may apply to much collective to halt your decent with an already high descent rate. Once there, you are at risk of VRS due to settling with power where you generate a torus of recirculating air that cancels out the lift of the outer portion of your rotor disk. It's kinda like being stuck in y our own wake turbulence.
MrTheDridge you can't settle with power. You settle with insufficient power, or when you enter vortex ring state. You don't enter VRS with forward flight speeds sufficient enough to prevent VRS. This isn't translational lift issues, it is proper VRS.
My first time in DCS and tried to hover. I was hovering all over the place in tutorial >_>
this looks fun. will dcs make a cobra?
kudos to the guy mirroring you haha
Once in your own downward vortex, the main rotor actually reverses it's lift airflow, and subsequently "pushes" you down faster! 😶🌫
en.wikipedia.org/wiki/Vortex_ring_state
Adding collective is not going to save you in VRS... VRS happens when you descend into your own downwash and your blades can no longer 'grip' the air and provide lift. Additional collective increase will make that situation worse. Cyclic out of it, not collective
You want to fly the huey at your best, get a vr headset. I thought I was really good at flying the huey ( Hundreds of hours ). I got a vr headset at my flying became night and day. I was able to do things I didn't think were possible of myself because of basically only 2d effect. Even landing and just hovering became so much easier. I still don't thing vr is were it needs to be ( or will be ) for jets just yet, but helicopters. It's like no other.
@Pimpaho: which vr headset do you own? B.R., Arthur
What button do you press to trim?
"trimmer" action
Vortex Ring: >500' ROD , Speed
Do you ever do any real flying cap. Loving the videos buddy
Sadly no. Probably for the best.
@@grimreapers hahahaha, be cool to bump into you maybe at RIAT next year.
Cap, the sailboats sail in the harbor was fully inflated indicating a strong wind while all the smoke from stacks was going straight up indicating no wind. Bug? Otherwise great vid!
Silverlight you're prolly right.
sails are not modelled with the wind I believe
Roger that
terry boyer
If the boats were properly modeled they would be heeling under white sails.
I really love the Huey, but I just cant fly it!
my trimmer isn't working?????
that game have battles?
I need to get my shit together so I can help you with the huey
3:40 left PIIIIEEEYTTTTTvCCcCcChHhhH
my trimmer doesn't hold the rudder
helos dont have rudder trimmers, I'm pretty sure
Just join the GR trainingserver: czcams.com/video/Z_tR7H7hu5o/video.html
@@grimreapers yeah found out they are off by default
May I have this dance?
lol
You need to read up on helicopter aerodynamics and the influence of induced flow has on AoA. Once you grasp that and see how it changes with regards to transational lift, hovering out of ground effect vs in ground effect etc.. All this will be a lot easier. A great book is principles of helicopter flight by walter j wagtendonk
Gazelle's way harder
From what I‘ve seen from this guy performing flight maneuvers, I‘m actually very surprised that this video did not end in a total mess. He indeed came close to what one could call a "hover".
Sorry Reappears but this video is full of misconception what VRS is and how to recover from it.
Holy hell. This explains nothing xd
Your knowledge on rotary is awful.
well, Adam, give us the benefit of your knowledge.....
@@jeffenglish9344 I'm not the one making a tutorial. If you're going to make a tutorial atleast ensure you know the basics yourself.