Author Topic: Vapor trails would be cool  (Read 3975 times)

Offline Morpheus

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Vapor trails would be cool
« Reply #30 on: September 25, 2005, 06:20:05 PM »
Last night in the CT i rolled a spit14 and then went to go eat dinner. Came back and i was at something like 40k. :eek:

I started screwing around to see what it could and couldnt do up there. I went to do a hamer head starting at 38k with plenty of speed. The plane rolled inverted (which was my fault) then went into a flat spin. It wasnt until 30k where I finnaly regained control. And I tried every trick in the book to bring it back to flying order.

I did the exact same thing at 500ft off the deck. Again it rolled over inverted then entered a flat spin right down to the deck.

I just went and filmed this film. I didnt get last night on film from the CT.

Watch the direction of the tail. At times im in a tail slide, then it enters a flat spin which is recoverable once, the last time there just is not enough room between me and the water to get out. Its too bad you cant see the controls move in the film viewer too.

http://www.furballunderground.com/misc/film83.ahf

Short of you actualy flying a plane, there really isnt much I can do or say to prove othewise to you. You can lead a horse to water but you cant make him drink.

Btw, when you watch the film, turn the trails on and watch it in external view. Pay close attention of the tail/nose, aoa, directional movement so on and so forth.
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Offline hitech

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« Reply #31 on: September 25, 2005, 06:37:36 PM »
Hi Brooke:

Don't confuse our stall horn with a real one. It begins 4 deg. Prior to Max AOA.

It is realy dificult to give fead back riding the edge like in a real plane. Hence I use the stall horn to give you that feed back.

2nd if the High drag at the edge of stall was not close, then the stustained turn rates would have to be out of the realm of reality.

HiTech

Offline MrRiplEy[H]

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« Reply #32 on: September 25, 2005, 06:41:59 PM »
Actually that film kinda proved my point. You had to cut throttle fully off and give a hard stick input in order to lose control of the plane. Then when you became inverted you throttled up only when your nose pointed up to the sky knowing that should you throttle pointing downwards you'd recover almost instantly. :)

I just tested similar movements offline and indeed if you pull vertical and do something incredibly stupid like chop throttle and push full nose down attitude in order to reduce speed to 0 you can momentarily lose control of the plane.

Even then it's fairly easy to regain controlled flight by playing with the throttle and rudder in order to get the nose pointing to the ground - at which point controlled flight is regained almost instantly. One would think that once all aileron input is lost the prop forces would throw the plane into a wild spin if and when you apply full throttle. The stunt pilots call the manouver 'crazy' if I recall right.

But I guess it's useless to argue about this now, this is only a game and the basic aim has never been to be a full simulation. The combat and the gameplay are at main focus.

It just makes me chuckle to see the die hard supporters making really wild claims about things that most likely aren't there. HT knows the best. :)
« Last Edit: September 25, 2005, 06:46:00 PM by MrRiplEy[H] »
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Offline hitech

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« Reply #33 on: September 25, 2005, 06:43:19 PM »
MrRiplEy :

Real planes I have departed during dog fights.

P51
RV8
Marchety.

The recovery of accelerated stall is very very close to the real thing. Infact I can't say that any thing is realy not like the real thing. I cant say that for every plane, simply because they are our best guess how they would react. Now if I had full stablitly and control diagrams on all planes we could match them.
 

As for AOA, it is there , funny how you think they are on rails, and other people complain about nose boune. And I can't say I have ever realy felt any lag from stick pull to G's espcialy at anything beyond the 2g stall speeds.

HiTech

Offline Morpheus

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« Reply #34 on: September 25, 2005, 06:51:45 PM »
Quote
Originally posted by MrRiplEy[H]
Actually that film kinda proved my point. You had to cut throttle fully off and give a hard stick input in order to lose control of the plane. Then when you became inverted you throttled up only when your nose pointed up to the sky knowing that should you throttle pointing downwards you'd recover almost instantly. :)

I just tested similar movements offline and indeed if you pull vertical and do something incredibly stupid like chop throttle and push full nose down attitude in order to reduce speed to 0 you can momentarily lose control of the plane.

Even then it's fairly easy to regain controlled flight by playing with the throttle and rudder in order to get the nose pointing to the ground - at which point controlled flight is regained almost instantly. One would think that once all aileron input is lost the prop forces would throw the plane into a wild spin if and when you apply full throttle. The stunt pilots call the manouver 'crazy' if I recall right.

But I guess it's useless to argue about this now, this is only a game and the basic aim has never been to be a full simulation. The combat and the gameplay are at main focus.

It just makes me chuckle to see the die hard supporters making really wild claims about things that most likely aren't there. HT knows the best. :)



Yes, but now you're talking about getting out of a stall as before you were talking about what a plane and how a plane reacts to stall's in aces high as compared to real life flying. And I am saying they are dam near identical.

You said they were on rails, they simply are not. Like I said before if you let go of the stick you'd simply remain in a flat spin right down to the ground. Now you're back peddling and saying this indeed is not the case. When you're prior posts stated other wise. Have you flown and entered a stall in real life? Have you gotten out of it?

Im sorry bud, but you really (I think) are confused.

This spit14 reacts to a tail slide basicly the same way a plane would in real life. Again, proving that they are not on rails and you do need to DO something to get them out of a stall. Remember, YOU said you didnt need to do anything to get out of a stall. And that' is just wrong no mater how you slice it.

http://www.furballunderground.com/misc/tailslide.ahf

when you watch the film, watch it from fixed mode with trails on again. It give the best view of whats going on with the plane.
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Offline MrRiplEy[H]

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« Reply #35 on: September 25, 2005, 06:52:04 PM »
HT: Well that kind of was what I was saying earlier. I assume that if AH was pushed for die-hard simulation it would take away from the fun of the combat for the majority of the players. I've played AH long enough to witness several different tunings of FM (which of course I need not tell you).

I know that you have stick time in a selection of planes which is beneficial to your job, no doubt. Have you been able to enter a flat spin for example? Or do the 'crazy' manouver where you pull up vertical with choped throttle untill your speed reduces to near zero followed by firewalling the throttle and sending the plane into a wild spin around all axles?

The crazy manouver is not possible in AH current FM although I'm not 100% sure if it was possible in real life with WW2 planes either.

Morph: as I said earlier the FM doesn't suck. It's probably quite close to reality. But my suspicion was that certain aspects were toned down for playability's sake. If you watched the film I made and thought logically, would a real plane respond to stick input like that doing 90mph and in an 90 degree angle to the ground? I'm betting that by pulling the stick a real plane could be easily pushed beyond controlled flight sending it rotating around the propeller and heading backwards given the extremely slow speed and the angle.

Or maybe I'm wrong..
« Last Edit: September 25, 2005, 06:58:49 PM by MrRiplEy[H] »
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Offline Morpheus

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« Reply #36 on: September 25, 2005, 06:55:42 PM »
Quote
I know that you have stick time in a selection of planes which is beneficial to your job, no doubt. Have you been able to enter a flat spin for example? Or do the 'crazy' manouver where you pull up vertical with choped throttle untill your speed reduces to near zero followed by firewalling the throttle and sending the plane into a wild spin around all axles?


What are you talking about?

Did you watch the film? Can you count for me how many axies the plane was rotating on? Also note the directional movement.
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Offline MrRiplEy[H]

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« Reply #37 on: September 25, 2005, 07:03:02 PM »
Morph if you've seen the 'crazy' you know what I'm talking about. In the manouver the pilot intentionally slows his plane to a point where no control has authority anymore. He then firewalls the throttle causing the momentum and the gyroscopic powers of the prop to throw the plane in a really crazy way. The plane is moved around only by prop forces. Essentially the plane becomes a helicopter without the stabilizer.


That momentum and gyro feel nearly non-existant in current AH FM. Or maybe the difference is the weight which would offset the effect. Even a spit is way heavyer than the russian aerobatics planes I've seen perform it.
« Last Edit: September 25, 2005, 07:06:08 PM by MrRiplEy[H] »
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Offline Morpheus

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« Reply #38 on: September 25, 2005, 07:10:18 PM »
You cannot relate a russian areobatics plane to a war bird. They are two completely different animals.

Ones made to go straight and fast and the other is meant to be thrown about in ever way posible. Its the way the plane is designed. Compareing as if they are similar or SHOULD be  is confusing design.

And when an areobatic pilot does put his plane into a gyro motion such as your speaking of, it isnt "crazy" it is completly controled. Which your getting confused here i think. Controlled stalls and uncontrolled stalls. And Spins.
« Last Edit: September 25, 2005, 07:12:21 PM by Morpheus »
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Offline MrRiplEy[H]

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« Reply #39 on: September 25, 2005, 07:16:49 PM »
ROFL of course its controlled, the movement is called crazy because it looks like that.

I just did some more testing and I was able to pull a crazy of some sort in f4u1. The effect was really mild but it was there anyway.

What I did was dive down to about 300mph. I pulled straight vertical and chopped throttle untill my speed indicator said 0. All the time I tried to remain perfectly vertical.

When the speed reduced to zero I punched maximum power and released all controls.. The end result was a 'crazy' although much more slower in effect. Just like the real plane I pulled lazily high and right and followed into revolutions around the axle. The crazy only continued for a couple of revolutions after which the plane inherently stabilized.

So I have to say the elements are there, WTG HT. But only he knows if concious concessions had to be made for gameplays sake. ;)
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Offline Morpheus

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« Reply #40 on: September 25, 2005, 07:23:25 PM »
http://www.furballunderground.com/misc/tailslide1.ahf


Again, you're trying to compare two different animals here Rip. One made for areobatics and nother made to go straight and fast.

Its like taking a 6 second dragster and putting it up against a Porsche on a road course.
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Offline Noir

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« Reply #41 on: September 25, 2005, 07:52:45 PM »
just a small point here, get in a turnfight in mozzie with flaps out, we'll see who is on rails lol

another point, I often do almost HO deflection shots with just pulling hard my stick and pushing it fast, and the plane rotates for a short time allowing me to throw some bullets, but keeps going where it was going, therefore avoiding collision (don't try this at home kids )
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Offline OttoJ

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« Reply #42 on: September 25, 2005, 08:48:31 PM »
Quote
Originally posted by Central
One solution that was brought up was, just adding the fuel leak between the ranges of 18k through 30k.   We'd be able to distinguish a box formation of bombers opposed to 4 fighters.


Why do some people think that a bomber's engine would produce a contrail, but a fighter's engine would not?

Offline Brooke

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« Reply #43 on: September 26, 2005, 12:34:09 AM »
Quote
Originally posted by MrRiplEy[H]
Brooke are you saying that you entered a shallow turn, fell below stall speed and couldn't recover by firewalling the throttle and giving a bit of stick input? I can do it 10 out of 10 unless I'm full flaps inverted below stall speed.. i.e. really trying to get into trouble.


You are talking about two things.  First, you said that you thought the flight dynamics of AH was off because the planes didn't seem to handle angle of attack correctly.  I disagreed and replied as to how to be sure, in the game, of observing what seems to me to be perfectly realistic angle-of-attack behavior.

Second, you showed a Spit enter a spin at low speed and low altitude and crash before it could recover.  I told you that I've done that in AH on occasion.

True, usually stalls in AH are no problem.  But I've gotten into spins at times in AH that I couldn't recover from in time (i.e., before ground hits me), and once in a very great while into a spin that takes me 10k or more of altitude to recover from.  I wasn't doing anything too bizarre at those times either.  What happens after a stall depends on a lot of things (power setting, airspeed, what rates of movement are on the various axes, aircraft attitutde, etc.).  There are times in AH that you can enter a spin and not be able to get out of it in 500 ft, even though spins aren't usually a problem.

Also, like some of the others posting here (Morpheus and HiTech), I've flown real planes, at times in aerobatics, spins, slow flight, etc.  I haven't flown WWII aircraft -- only Cessnas and once a SIAI Marchetti SF260.  I find AH to have excellent flight modelling by my experience.  Let me tell you that, if you are good at air combat in AH, you will likely be good at air combat in a Marchetti.

One thing to keep in mind is that behavior right near stall is a highly nonlinear dynamical situation.  It is a much more difficult realm to model, and there is much less actual flight-test data on it (especially for things like spins).

Even different planes of the same model can have somewhat different behaviors.  I flew a Cessna 152 once that, unlike all other 152's I ever flew, had pretty bad slow-flight behavior.  Slow flight is where you get on the back side of the power curve.  You slow down to near stall, increasing angle of attack, then keep adding throttle to keep from descending.  You end up with high power, with your plane mushing through the air at a very low speed.  All the other 152's I flew did this without trouble.  If they started to stall, it would mush gradually into the stall and stay flying straight ahead.  One 152 I flew, though, was obviously not as aerodynamically balanced.  It would get near the region where others would still be fine, then suddenly shudder and stall off quickly to the left, entering a spin -- not much warning, you just had to do a normal spin recovery.  And even in that Cessna 152 (a paper kite compared to a Spitfire), that process used up probably more than 500 ft.

It wouldn't surprise me at all if a rebuilt WWII airplane had some stall behavior that would be much less forgiving than what is typical of its model.

So, to summarize, I think AH's angle-of-attack modelling is fine.  I think it's stall modelling is fine.  I see no disparity between (1) some real-life Spitfire stalling out in a turn to the left at low speed and low altitude, entering a spin, and not being able to stop it before losing 500 ft. of altitude and (2) AH's stall/spin model.

Offline Brooke

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« Reply #44 on: September 26, 2005, 12:39:12 AM »
Quote
Originally posted by hitech
Hi Brooke:

Don't confuse our stall horn with a real one. It begins 4 deg. Prior to Max AOA.

It is realy dificult to give fead back riding the edge like in a real plane. Hence I use the stall horn to give you that feed back.

2nd if the High drag at the edge of stall was not close, then the stustained turn rates would have to be out of the realm of reality.

HiTech


Howdy, HT.  I think the way the stall horn works in AH is excellent for giving people a feel for the edge (like in the Marchetti using the amout of buffet to judge the edge).  As for high drag near stall --  thanks for that info.