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FM/DM threads Everything about FM/DM in CoD

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  #811  
Old 08-05-2012, 11:53 AM
Glider Glider is offline
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Unfortunately for you there is little if any evidence of any bad outcomes. The first set of well worn docs are warning that obviously worked as wing failures were rare.

In July 1941 well after the BOB investigations were started. Had it been a problem in the bob the investigations would have started a lot earlier

And you have still to supply any evidence re the piles of wings waiting repair
  #812  
Old 08-05-2012, 12:08 PM
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Well,

I can't post any pictures on bugtracker to show the documentation even using the same account as NzTyphoon.

Very Strange....

Perhaps 41 Squadron Banks who is the manager of Il2bugtracker can look into my acount settings and see if there is some reason for this.

I have tried every method available at photobucket as well as other hosting sites.
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  #813  
Old 08-05-2012, 12:11 PM
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Quote:
Unfortunately for you there is little if any evidence of any bad outcomes.

??????






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  #814  
Old 08-05-2012, 12:15 PM
IvanK IvanK is offline
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Bug tracker is for Bugs.

Have you demonstrated that the Spit in Ver 1.08.18956 is actually bugged ? You indicated in this thread when asked about in game testing that all would be in the bugtracker post. All that is there is a series of statements replicating your posts in this thread.

I dont see any Ver 1.08.18956 test data to support your case in your bugtracker entry.
  #815  
Old 08-05-2012, 12:28 PM
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Quote:
Have you demonstrated that the Spit in Ver 1.08.18956 is actually bugged
Dive to Vne and pull up. You can't break the airframe even with full rudder applied at pull up.

Make an abrupt pull up from level flight and release the stick. The airframe loads on a normal slope and gently settles.

At Vmax, make a steep bank and abrupt turn to 180 degrees from heading.

Release the stick and the turn stops. If above Va, it should increase to airframe damage and accelerated stall.

It is all measureable.
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  #816  
Old 08-05-2012, 12:39 PM
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Quote:
Originally Posted by IvanK View Post
Bug tracker is for Bugs.

Have you demonstrated that the Spit in Ver 1.08.18956 is actually bugged ? You indicated in this thread when asked about in game testing that all would be in the bugtracker post. All that is there is a series of statements replicating your posts in this thread.

I dont see any Ver 1.08.18956 test data to support your case in your bugtracker entry.
thats why i voted against it, nothing in there about how the game spit fm is wrong compared to this data.

im surprised to see there isnt one for structural damage under high g's, or is it there and i just cant find it?
  #817  
Old 08-05-2012, 12:51 PM
Glider Glider is offline
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J Quill in June 1941 they did tests re wing failures. So until then it wasn't a noticable issue or the tests would have started in say Oct 1939

X4381 lost a wing in a dive. Quite possible when exceeding the dive speed

X4421 lost its wings when in a high speed stall after a steep dive ignoring the pilots notes

X4354 lost its wing in Dec 1941 at an OTU when in a dive. An old aircraft in a training unit in a dive probably exceeding the dive limitations

X4381 lost its wing in an OTU in a high speed dive out of cloud. An old aircraft probably exceeding its dive limits after loss of control in a cloud

Is that the best you can do?

PS what about all those that broke up when spinning, another major weakness (according to you)

Last edited by Glider; 08-05-2012 at 12:54 PM.
  #818  
Old 08-05-2012, 12:54 PM
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Ivan,

This is all easily seen in the math. I would think the program accounts for a Center of Gravity.
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  #819  
Old 08-05-2012, 01:05 PM
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Quote:
Is that the best you can do?
????

I never said it was complete. I counted 13 incidents only halfway thru the serial listings for the just the Mark I in Morgan and Shacklady.

There some 9 pages of this irritating tiny print. You can go through them.

Again,

The measured and defined stability and control of the early mark Spitfires is neutral to unstable at normal and aft CG.

That statement holds true for any measured results.

Unfortunately, there are only a few measured results from the United Kingdom because there was no standard in place. In otherwords, there was no ruler outside of pilot opinion.
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Last edited by Crumpp; 08-05-2012 at 01:19 PM.
  #820  
Old 08-05-2012, 01:13 PM
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Quote:
when another NACA document on the Spitfire's stall characteristics was presented it was dismissed as being irrelevant:
Where do you get this stuff?

Nobody dismissed it as irrelevent. In fact, it agrees with the first NACA report.

Do you think the NACA was contridicting itself?

Did you read the report and note the conditions??

It all agrees, bud. Stop with your pointy tin foil hat theories.
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