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Plane want to pitch up??? (Read 1994 times)
Jan 10th, 2007 at 11:44am

burninator   Offline
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Well, can you tell I just got this game (3 new threads in about as many days)?

I've wanted it for 7 years, glad I finally got it.  I've played CFS1 over the last 7 years, and I'm experiencing a new problem with CFS2. 

During high G turns, I'll bank the plane over to ~90 degrees and pull back on the stick to bring the nose around (I have g-effects turned off).  The plane will start its turn, and then all of a sudden, the plane will level it's wings and start to pitch up.  Basically, when I pull back on the stick, the plane won't stay in the bank and starts to pitch up instead.  I never had such a problem with CFS1 or any other flight sim I've played.  I've used all three flight model settings and I still get the same thing.  Airspeed also seems to have no effect on it.  I've also check the calibration on my Joystick.

Anyone know what I'm talking about?  Is there some auto-(blank) feature that I can turn off to keep this from happening.  It makes dog fighting very difficult.

Thanks.
 
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Reply #1 - Jan 10th, 2007 at 1:24pm

james007   Offline
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Burninator this is a different Sim than CFS1. CFS1 is a great introductionary Sim. Its a lot a of fun and a great one to learn the basic tatics and feeling of arial warfare in the Modern war. CFS2 is a bit more realistic and with a bit more complexcity too it. Banking and rolling and looping its a lot harder in the more resent models and it has become even harder to fly with. Now you have got to remember that all planes had different charateristics and flight behavior qualities. Its a lot more fun to learn them all and try to master them. In the real world it was a lot harder to master modern air war than most people think. That whats makes it so interesting and facinating not because it was easy but because it was hard. Just remember not one of us will risk our lives in this or any other Sim. The pilots of that era and other era had to master their planes and at the same time over come their advesity with skill and detrmination while risking  their lives for our long term historical benefit.

You can always turn the AC to easy mode for easy flying or you can turn them into Hard for realistic flying.

My seggestion to start at easy and with time turn them into hard as you learn the right tatics to use and the arial charactesristic of each planes.

I will try to get to you the most information on each plane and how to master them as possible.

Zero:
http://www.airwarfare.com/Sims/CFS2/zero.htm

Zero a6m5:http://www.airwarfare.com/Sims/CFS2/zero5.htm

Corsair:http://www.airwarfare.com/Sims/CFS2/corsair.htm

George:http://www.airwarfare.com/Sims/CFS2/george.htm

Hellcat:http://www.airwarfare.com/Sims/CFS2/hellcat.htm

P38:http://www.airwarfare.com/Sims/CFS2/lightning.htm

James007

 
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Reply #2 - Jan 10th, 2007 at 2:43pm

burninator   Offline
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What is "AC"?  Is there an "auto-correct" option I don't know about somewhere?

Don't get me wrong, I understand the flight models in CFS2 are a bit more realistic than CFS1.  But I have a pretty firm grasp on aeronautics and the science of flying.

But here is what I don't understand:

1.  plane is in a bank (90 degress, for example)
2.  apply full "up" (or moderate) elevator with no aileron input.
3.  Plane rolls to wings level immediately and pitches upwards.

Like I said,  I can't think of anything that would make this happen.  If anything, this should happen with the very easy flight model selected (someone with little flying experience may expect the plane to "go up" when you pull back on the stick).  But with a realistic flight model, I would think the plane would stay in a bank, or at least not roll to wings level immediately.  I could understand that the wings may eventually level out in a plane with some dihedral.

Is anyone else experiencing the same issue
 
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Reply #3 - Jan 10th, 2007 at 2:48pm

Hagar   Offline
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burninator wrote on Jan 10th, 2007 at 2:43pm:
Is anyone else experiencing the same issue

I've been involved with CFS2 since it was first released & never experienced what you describe with any of the literally 100s of aircraft I've tested in it.
 

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Reply #4 - Jan 10th, 2007 at 4:39pm

james007   Offline
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Does this happen with every plane or just some planes and witch planes does it happen with. You see you have not given us enough information. Another question? Do you have the Auto rudder on or off!

AC stands for Aircraft. Its our way to simplifying things around here.

Do not get frustraded. It will slowly come to you. Before you know it you will be a Ace. You are just going through the learning curve and I and others are more than willing to help through this. This Sim has so much to offer when it come to improvements that there is no way you can do it all at once. Just enjoy the process. We all gone through this. I almost quite on it when I first bought it and glad I did not.
I thought I knew about combat flight only to find out I was wrong and I had to relearn every thing. This Sim will not replicate World war two Arial combat to a tee nor does any other Sim for that matter. Thats simply ridiculous but it will give you a much better understanding feel for it.

James007

P.S. Scroll through this Post from page 1 to the last and you will be able apppreciate all that is offer for this Program through its greater comminity:http://www.simviation.com/cgi-bin/yabb2/YaBB.pl?board=cfs2

Enjoy

 
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Reply #5 - Jan 10th, 2007 at 4:50pm

burninator   Offline
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I'll check some stuff out when I get home.

So far, it seems to happen with all the planes I've flown (wildcat, corsair, zero, hellcat - all stock).  Sometimes, I can overcome the effect by using rudder, but if I'm in a turning battle and try this, the plane will eventually go inverted and sometime into an ir-recoverable spin.  I'm pretty sure I don't have auto-rudder on, but I'll check.  It's in the controller assignments section, isn't it?
 
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Reply #6 - Jan 10th, 2007 at 4:57pm

Hagar   Offline
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Auto-rudder is on the main Settings screen. That might explain your problem.
 

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Reply #7 - Jan 10th, 2007 at 5:49pm

burninator   Offline
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Hagar wrote on Jan 10th, 2007 at 4:57pm:
Auto-rudder is on the main Settings screen. That might explain your problem.


Come to think of it, rolls are very axial, so I doubt auto-rudder is on.  Plus, if I can still use the rudder separately, I think the auto rudder can't be on, right?
 
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Reply #8 - Jan 10th, 2007 at 7:05pm

Hagar   Offline
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I just tried the default Hellcat on full Realism & see what you mean. I rarely, if ever, fly the default aircraft & I'm no hotshot fighter pilot. You might like to try reducing the Realism settings until you get used to it.
 

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Reply #9 - Jan 10th, 2007 at 9:30pm

burninator   Offline
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Hagar wrote on Jan 10th, 2007 at 7:05pm:
I just tried the default Hellcat on full Realism & see what you mean. I rarely, if ever, fly the default aircraft & I'm no hotshot fighter pilot. You might like to try reducing the Realism settings until you get used to it.


Alright.  I just tried it too.  It only happens if I'm using medium are hard flight model, and it occurrs once the plane reaches a stall in a turn.  It happens with all the planes.  So for now, I'll just use the easy flight model, but I still see no way that this accurately is modeling something that would occur in real life.

James, that site you sent me to earlier had some downloads that replace the flight models for the stock aircraft.  Do these work pretty well?  Maybe they will fix this problem.

Thanks for the help.
 
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Reply #10 - Jan 11th, 2007 at 3:18am

james007   Offline
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Burninator there are countless of upgrades for this Sim. Some are of very good quality and some are not so accurate. Its all up to the user to decide. What I recommend for you to do is to backup the original AC first in some folder of your choice and then do the upgrade of your AC. If you do not like the new upgrades just simply delete them and replace them with the original AC. It very simple. Always back up eveything so you wouldn"t have problems in the future.

Another thing is when you bank in a AC you need energy to keep turning other wise your AC will stall and spin and fall. Thats real life flying. It all depends on the AC design and the speed you are using plus the angle and the amount of turbulance and othe factors. You see flying is not that hard but it also not that easy. Also remember need to control it all with your stick. This is only simple rule of Thum.

Read general this rules for flying with different fighters from different Nationalities.

Italian planes: Angle fighters,easy to fly but rather slow with good handle.

Japanese planes: Angle fighters, superb handling charasteristics and good turning abilities, long range, fun to fly but a bit slow and fragile planes performance poor above 19,000ft.

British planes: Good Angle and Energy fighters but not the masters of either. Easy handeling charateristic fun to fly but short range. Slow early in war better speed with later Spitfires at war,very good even planes.

German planes: Great Fighters with a fighter sense of purpose and good firepower but with limit Flying charateristics. Good Energy fighters but with poor turing radius, Short range and soso visbility, performance poor above 20,000 ft.

Amiricans planes:High energy fighters, Stong engines and stong stuctures with great abilities to absorb punishments, long range and good armament with great performance at high altitude 15,000ft and above. Poor visibilty and turning radius. Need experience to know how to handle properly, Poor performance below 5,000 ft.

Russian planes: Good enegy and angle fighters. Strong aramaments and with sturdy frames. Relative decent flying handeling charateristis. Short range,poor engine endurance poor, poor gun planform, performance obove 15,000ft very poor.

Once you learn this general characteristic of each Nationalities it will make it easier to understand the planes you are flying.


James007
« Last Edit: Jan 11th, 2007 at 10:47am by james007 »  
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Reply #11 - Jan 11th, 2007 at 11:32am

burninator   Offline
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james007 wrote on Jan 11th, 2007 at 3:18am:
Another thing is when you bank in a AC you need energy to keep turning other wise your AC will stall and spin and fall. Thats real life flying. It all depends on the AC design and the speed you are using plus the angle and the amount of turbulance and othe factors. You see flying is not that hard but it also not that easy. Also remember need to control it all with your stick. This is only simple rule of Thum.


James007


I think you misunderstood me.  I fully understand that a high bank turn at a low speed can result in a tip stall and an un-recoverable spin.  That is not what happens to these planes at the medium or hard flight model settings.  Once you reach stall speed in the turn, the plane rights itself to wings level and pitches up.  I can see no reason why a stalled plane would behave this way.  I have a background in aero engineering and am working on getting my pilot's license, so I feel like I have a firm grasp on aerodynamics, so I'm not sure if that behavior is really very accurate.

But anyway, that doesn't really matter.  Thanks a ton for your help.  These forums are incredibly useful!  Happy flying!

 
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Reply #12 - Jan 11th, 2007 at 11:14pm

jimski   Offline
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I just tried it myself with several airplanes all at the "hard" setting. I am certain that handling is the modeler's way of saying you don't have aileron control during the stall. That might be a fair statement for the stock csf2 planes because I don't think those had slats or slots on the outer wing sections, devices which allow roll control through a stall. But perhaps a real airlplane might rotate the other way and flip inverted during a turning stall. Some German and Russian planes had slots/slats I believe. Pretty sure real airplanes give a bit more stall warning than the sims give (although IL2 planes might make the "burble" sound approaching stall). I tried some add on planes and they were different. I had roll control with those but they would lose altitude quickly (not enough elevator perhaps).

I guess like most of you I quit using the "hard" setting right away.

We need to cut the modelers some slack on this subject. They can get the dimensions correct and match the performances but how would they know what an old airplane handles like? And how to interpret handling into a flight sim? I downloaded a great JU52 transport that flew like a real pig so I came away with the idea those flew like pigs. But I just saw the old film Counterfeit Traitor where the character rides a real JU52. I watched closely for pig handling but as soon as she cleared wheels on takeoff she went into a hard banked climb like a Piper Cub!

Jimski
 
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Reply #13 - Jan 12th, 2007 at 9:26am

james007   Offline
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You know Guys the stock panes for this sim where develped over six years ago. There is no way they could meet the standard of today models. The good news is that are many newer upgraded versions of the same planes available to our disposal by the dedicates developers of this Sim.

You should try the OH replacement for the stock planes by B24GUY available in this Website and other Websites. They are quite a improvement over the original.

We will never reach perfection but it sure will bee fun stiving for it.

I guess you are right in your observation!


Thank you




James007
 
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Reply #14 - Jan 12th, 2007 at 10:33am

kilotango   Offline
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James007. Would you allow me to give a comment here.
The GB 1% aircrafts gives, when they are setup correct, a very good feeling in cfs2 on flying some sensitives planes made for WW2. Did i say sentitives, yes they where that.
 
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Reply #15 - Jan 12th, 2007 at 11:40am

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Kilotango you can write on whatever and whenever you want. I love to hear from different people opinions. I always willing to learn. Weather from this hobby or politics or whatever matter of wants anyone to speak off. As a matter of fact I never realize the original stock planes had this arial dynamic diffect until Burninator brought it up. I"am glad, now I have learn somethng new about this Sim. I do not consider this or anyother Sim the ultimate realistic Sim. That would be simply promoting a Lie. I know CFS2 hs its defficiency when it comes to representing reaility. I still think its one the most comprehensive and complete Sims when it come to epresenting World war two in its totality thanks to its dedicated greater community.

You participation on this forum is more than welcome. I do not care if you find a better solution than mine when a new member has a problem Either. This is not about Egos its about sharing information so we can enjoy this hobby to best of our abilities. I to need to learn a lot about this hooby and other matter. I like it this way other wise life become a bit boring.

James007

PS reality is less than desire in Sim that represent Combat Avition. Remember Combat Aviation in the real World is mostly very boring. Most missions in World war two where long and non eventual. Most pilots never saw actions or enemy planes and those that did see actions died before they knew what hit them.
Just be careful what ask for or you might get it.LoL
 
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Reply #16 - Jan 12th, 2007 at 1:27pm

kilotango   Offline
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I am sorry to say this then, but it seems to me, that you try to get too much control of what other mean or what others opinion is telling you here at cfs2.
I'm glad that you welcome me here, and i'm glad you're willing to learn something new, but don't get catched in "only i know" .
No offence my freind, and i hope we can have a good talk in the future.
 
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Reply #17 - Jan 12th, 2007 at 2:46pm

james007   Offline
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I"am sorry friend you feel that way. All I have been trying to do is help. You have right to your opinion!


James007
 
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Reply #18 - Jan 20th, 2007 at 5:34am

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I just flew the stock F6F and at a 90 degree angle it tracked fine untill it startes a wing tip stall but just a little rudder in the direction of the turn will correct that and the aircraft will continue to track.When the F6F was first tested it was found to be to stable to be a good combat aircraft.The problem was in the wing twist. I can`t remember if they added more twist to the wing or took some out but it must have worked because the pilots loved flying it because it was the most stable gun plateform that we had and it did what it was designed to do and that was out preform the Zero.
 
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Reply #19 - Jan 20th, 2007 at 10:09am

AvHistory   Offline
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roberthegf wrote on Jan 20th, 2007 at 5:34am:
and it did what it was designed to do and that was out preform the Zero.


Will never happen in CFS2 with stock planes.  The MS stock Zero has a turn rate & G load capability outstripped only by an F-16 Falcon.
The stock F4U by comparison can't help but trip over its shoelaces.  The stock Hellcat is much closer to the Corsair then the Zero in performance.


...


 
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Reply #20 - Jan 20th, 2007 at 11:39am

james007   Offline
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In my humble opinion it was the pilots and not the Hellcat that made the difference. I flown them in different Sims and they always they have had similar flying charateristics more or less. with CFS2 you need to upgrade them to F6F5 or download B24guy upgraded Hellcat replacement version. No, you are not going to get the perfect Hellcat in this or any other Sim. Or you can hope for is for as close to the real thing as possible.




James007
 
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Reply #21 - Jan 20th, 2007 at 12:52pm

AvHistory   Offline
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james007 wrote on Jan 20th, 2007 at 11:39am:
. I flown them in different Sims and they always they have had similar flying charateristics more or less. James007


IMHO they are all over the lot in various sims;  mostly the result of intentional "play balancing" by the games designers.


Be that as it may I think our 2.8x.xx versions although close to 4 years old now are still very good historical representations.  The new Version 4 aircraft will take these flight models to a new level but they are only in the unmentionable other MS combat sim for the near future.  Roll Eyes

BTW the graphs label should say CFS2/V2.8x.xx not CFS3  Embarrassed
...
...
...
 
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Reply #22 - Jan 20th, 2007 at 1:58pm

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The F6F-5 done by AvHistory is going to come  very close to the real thing.Try it you can find it at Netwings.
 
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Reply #23 - Jan 20th, 2007 at 4:21pm

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IMHO the difference in the Zero & the Hellcats overall performance level was the design.  A number of captured & rebuilt Zeros were analyzed to death & the Hellcat based on the accumulated data from the testing was built specifically with a single purpose, to kill them.

A USN pilot new to the fleet had every chance to defeat an experienced Zero pilot as long as he stuck to the plan & used the F6F's designed in strengths.  

Production F6F-3s made their first combat flights on August 31, 1943  from the carriers Yorktown, Essex  and the Independence.  This day was the end of the Japanese dominance in the pacific air war.

The Hellcat as an aircraft was better then its opponents with a higher speed and rate-of-climb, more rugged with good armor, very maneuverable with 6X.50 Browning machine-guns with a large ammunition supply.

These are the same USN pilots who were having a very hard time of it at the beginning of 1943 flying the F4F off the these carriers against the Zero
 
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Reply #24 - Jan 20th, 2007 at 4:33pm

james007   Offline
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Rogberthegf good advice. The only way you will know how good the Hellcat flew is to buy a time machine and join our Navy in 1943. Then you need to get lucky and have been given a Hellcat to fly with. After you have been train and flown it in over 90 mission you will really know how good or limit it really was. Thats counting that you have survived your tour .LoL

Other wise you will hear a million opinion by diferent member about their favorite Sims and how much better their AC is over the other Sims. You are going to hear it all.LoL



James007
 
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Reply #25 - Jan 20th, 2007 at 6:55pm

AvHistory   Offline
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james007 wrote on Jan 20th, 2007 at 4:33pm:
...how much better their AC is over the other Sims....The only way you will know how good the Hellcat flew is to buy a time machine and join our Navy in 1943. James007


Is it true a real Zero can pull almost 12G?  Is it true that the Zeros, Wildcat, George, Hellcat & Corsair's flaps all generated no, nada, zilch, none lift & only act as air brakes?  Is it true that the P-38's flaps only generated enough lift to be measured on a food scale?  Is it true that 2 bullets in a wingtip will immobilize the ailerons every time rendering a plane unable to roll?

Even though CFS2 says these things are true I am a little doubtful.  Wink

BTW No need to go to 1943.  

The "you never flew one or they can't be flown now" is bogus argument.  

Its interesting to see the "you can't fly them now" guys ignore the literally tons, as in pounds of paper,  of classified test data that has been de-classified under the 50 & 60 year rules that they were originally sealed under.

These WWII aircraft are the most well documented units in the public domain & there is nothing you can not get on them except some data referring to the B-29 & its A-bomb capabilities/modifications.

Physics alone determine how a Hellcat flys, additionally our flight model advisors at Planes of Fame Museum not only fly them on a regular basis but rebuild them for others to fly.  

They have flying versions of all the planes including the only air worthy Zero in the world with an original Nakajima Sakae engine.  

As for the planes in this thread they have flying @ Chino:

...
Mitsubishi A6M5 Zero (Zeke 52)

...
Grumman F6F-3 Hellcat

...
Vought F4U-1A Corsair

If simulations could not reproduce how a plane will fly from its physical design characteristics then planes like the F-16, B-2 & F-117 which are totally unstable & uncontrollable without computer intervention could have never been built & flown.

Speaking of flying wings like the B-2;

...
...
N-9MB

The Planes of Fame museum regularly flys Jack Northrop's 1942 prototype N-9M one-third scale development aircraft for the Northrop B-35 flying wing bomber.

 
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Reply #26 - Jan 20th, 2007 at 11:18pm

AvHistory   Offline
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james007 wrote on Jan 20th, 2007 at 11:39am:
I flown them in different Sims and they always they have had similar flying charateristics more or less. with CFS2 you need to upgrade them to F6F5 or download B24guy upgraded Hellcat replacement version. James007


Correct me if I am wrong, but I believe the B-24 guy does very good visual fixes of the MS stock aircraft; not Flight Model enhancements.
 
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Reply #27 - Jan 21st, 2007 at 12:17pm

james007   Offline
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Hey nice pictures, I love them.

There we go again.LoL

Thats the precise the problem. To much documentation. If you read one document it would say one thing and if read another it would say another. Those beaty of reconstructed replicas will never be flown to their ultimate structural limit. These planes are just to valuable.

All we can do is to build their Airfiles to the best of our educated guess.

PS I read your post on your Father navy experience during World war two and it was quite a dagerous tour off the Okinawa in 1945. I"am proud of him and of those who serve with him. I have read that facing a Kamikaze attack is one of the scraries event a servcemen can experiece.

The Battle of Okinawa was one of the most viciuos Battle that our men had to experience during World war two. It probably cost us more than men we have admitted.

Thank the Lord we did not had to invade Japan after all.

This Address will be posted in honor for all the men that fought and die in World war two. This will be dedicated to the ones in the Pacific. I Honor those of the Europen Theater as well.



http://www.youtube.com/watch?v=SgNqzibz3B4&mode=related&search





Have a great day!


Jemes007






 
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Reply #28 - Jan 21st, 2007 at 1:03pm

kilotango   Offline
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These are some of the most beautifull pictures i've ever seen of WW2 airplanes. The corsair, what a look.

About "youtube". Sometimes i ask myself. Is this real or is it computer made. Today, you can make anything.

Thank you AvHistory
 
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Reply #29 - Jan 21st, 2007 at 1:58pm

AvHistory   Offline
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james007 wrote on Jan 21st, 2007 at 12:17pm:
Those beaty of reconstructed replicas will never be flown to their ultimate structural limit. These planes are just to valuable.

All we can do is to build their Airfiles to the best of our educated guess.

Jemes007



This might come as a major surprise but they were not flown to their structural limit in 1943 either.  When that happens the pilot usually dies.  When flying at 7/10 or 8/10 the final 2/10 can be predicted with great accuracy in 1942 or 2007.  

Using the DATCOM programs of Dr. Roskam to develop our air files makes them more then an educated guess, it makes them pretty much as faithful a representation of the specific aircraft as the MS flight system can support.

In fact we have written over two thousand lines of new code for the CFS series correcting & refining many of the issues the MS system & expanding its support capabilities for these planes.

Dr. Roskam has taught more than 400 Aerodynamics courses on 12 different topics around the world and has authored 11 textbooks.

He is the author of a two-volume text entitled Airplane Flight Dynamics and Automatic Flight Controls and an eight volume text called Airplane Design. He has co-authored (with Dr. C. Edward Lan) a text named Airplane Aerodynamics and Performance. These texts are used by over fifty universities and multiple aerospace companies in the United States and abroad. In addition he has authored or co-authored over 150 papers, articles and technical reports.

Before founding DARcorporation, Dr. Roskam was a consultant to companies in the USA and Europe and also served as a consultant to NASA, USAF and DARPA.

All that being said I will let the V4 planes speak for themselves & remind you that the charts I posted above are from real time, in game measurements & anyone can check them out against historical data if they wish. If you open the file with excel you can see exactly how we constructed the plans & compare our 4 year old effort against anything available on the net.


 
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Reply #30 - Jan 21st, 2007 at 2:21pm

AvHistory   Offline
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kilotango wrote on Jan 21st, 2007 at 1:03pm:
These are some of the most beautifull pictures i've ever seen of WW2 airplanes. The corsair, what a look.

About "youtube". Sometimes i ask myself. Is this real or is it computer made. Today, you can make anything.

Thank you AvHistory


Take a look here at the Planes of Fame Museum in Chino for more great shots of these flying warbirds.

http://www.planesoffame.org/menu.php

Slide down the left side to the heading "General Museum Information" & click on "Museum Photos"

When that page comes up click on the two graphics "Monthly Events" & "Airshows" to get to the picture section.  There are 100's of great shots of some of their 150+ planes.

BTW Steve Hinton a war bird pilot & the president of POF also owns, Fighter Rebuilders - a world renowned aviation company devoted to the restoration of Warbirds, has a great DVD out flying the Zero pictured above in a very aggressive manner.  In fact his roll rate on some of the maneuvers is right at 1942-43 WWII test standards when timed with a stopwatch.

Steves' DVD series have him putting most of the more famous WWII aircraft through thier paces.

 
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Reply #31 - Jan 21st, 2007 at 10:06pm

roberthegf   Offline
Colonel
I love YaBB 1G - SP1!

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Sure wish we could get some 1% updates for CFS2.
 
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Reply #32 - Jan 21st, 2007 at 10:53pm

AvHistory   Offline
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Kinder & Gentler
NC, USA

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roberthegf wrote on Jan 21st, 2007 at 10:06pm:
Sure wish we could get some 1% updates for CFS2.


Gregory has expressed some interest in expanding Version 4 to CFS2 & I have no basic problem with that,  but it will be awhile before our commitments to the MAW project & some other visual designers are finished.



 
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Reply #33 - Jan 22nd, 2007 at 10:13am

kilotango   Offline
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I fly spits too.

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Just been at the planesoffame. What a page. Never seen anything like it, never seen pictures so good before. Spend a lot of time there.

When i got to the p51, i allways get into my mind, what Herman Goering said the first time he got an eye on it:
"My pilots, now we are loosing the war"!!   
I think he was right.
 
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