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Subject: Question regarding Mirage III
Aussiegunneragain    6/20/2009 12:14:30 AM
I was wondering whether anybody could clear something up that has been bothering me for a while. There are various sites on the internet that states that the Mirage III had an initial rate of climb of about 16000 feet per second. Considering that types with similar TWR's, speed etc like the Mig 21 and F-104 had initial ROC's of between 30,000 and 50,000 feet per second this seems very low, especially given the Mirage's big wing and consequent low wing loading. Can anybody confirm for me whether the internet sites are correct and if so, explain how the Mirage had such a poor climbing performance?
 
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DropBear       10/20/2009 10:20:09 PM
The F-106 never proved itself in combat either.  Let's be fair here.
 
But what an absolutely fantastic plane.
 
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usajoe1       10/20/2009 11:35:46 PM
The F-106 never proved itself in combat either.  Let's be fair here.  
 
 
Yes, but most people would agree that the plane was the best pure interceptor of its time. The Draken was an ok fighter that had some good capabilities but there was nothing which it exelled in.
 
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Aussiegunneragain    USA Joe   10/21/2009 2:45:45 AM
While the Draken and the F-106 never saw combat I think that based on their observed capabilities they could both be considered pretty damn good.
The Draken had an excellent speed and climb performance, was manouverable, capable of short field ops, as well armed as any of the aircraft of the day, had an advance collision course intercept system that was automated to take navigation information from the Sweedish ground radar network from the B onwards, was viceless once some intial problems with pitch control were sorted out in the A, and was versitile enough to make a good attack and recon type. It was short ranged but that is all that the Swedes needed given their battlespace. It was as good as any in the "pretty damn good catatory".
 
The F-106 was long-ranged, had a high transit speed helped by an internal weapons bay and had an advanced avionics system that tied in with SAGE (the radar was initially buggy but was sorted out). This made it an ideal platform for hitting bombers attacking the US before they could launch stand-off weapons. The only thing I didn't like about it was its armament. The effectiveness of the Genie could be redued by splitting up packages of bombers into smaller groups and the Falcon wasn't a very good missile. It was also limited to firing two Falcon's at a time, reducing the potential number of kills on each mission. The only reason that I didn't bump it a catagory as a consequence of this is because between the 5 weapons you could expect that it would achieve a couple of kills on each mission, but I think it would have been much better if it had been fitted with a gun well before 1970 and "Project Six-Shooter".
 
As for the Mig-21, we'll have to agree to disagree on that for the reasons I have already stated. I actually think the Mig-19 was a more useful type given its better manouverability and rate of climb combined with an adequate supersonic performance.
 
 
 
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usajoe1    Aussiegunneragain   10/21/2009 3:11:25 AM
I think both the F-106 and Draken were successful designs but the difference is the F-106 during its time was the best in the business in its role as a pure interceptor. The Draken was perfect for Sweden, for obvious reasons but I don't think you can put it in the top of the class.
 
One more thing. why do think the most successful Russian fighter of all time (in terms of combat, production, and service length) was not that good?
 
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StobieWan       10/21/2009 6:59:30 AM
The Lighting never proved itself in combat either - only Frightening kill against a non drone target was a Harrier, shot down when heading, unpiloted for the East German border.


Ian


 
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Aussiegunneragain       10/21/2009 6:59:49 AM
I think both the F-106 and Draken were successful designs but the difference is the F-106 during its time was the best in the business in its role as a pure interceptor. The Draken was perfect for Sweden, for obvious reasons but I don't think you can put it in the top of the class.
 
One more thing. why do think the most successful Russian fighter of all time (in terms of combat, production, and service length) was not that good?
 
There is obviously a degree of subjectivity in the way I rated them ... somebody else may do it differently. My judgement was if a bleeding edge (for the time) design could do the job it was designed to do well, without any major design impediments to its ability to wartime operations, then it came into the pretty damn good catagory. Both the F-106 and the Draken came into that catagory To get into the top catagory it had to substanitally exceed expectations without any offsetting problems in the way that IMHO only the F-4 did.
 
To be frank apart from the F-106's range, which Sweden didn't need, from the B model Draken I don't see that the
 F-106 was that much better in the interception role. Both could get to the enemy fast under semi-automatic guidance from the ground and do a head on attack, so why is the F-106 that much better?
 
As for the Mig-21, the fact that it was the most successful Russian fighter of all times on those accounts simply shows us that Russian fighter design has been pretty mediocre over the years. It was nearly always on the end of negative kill ratios against types in its generation, had a lousy view out of the cockpit, far too short a range including a design flaw so that it couldn't use the last 1/5 of its fuel tanks without crashing, a poor turning circle at low level and poor manouverability at low level. Its speed, manouverability at higher altitude and price offset this enough to make it useful but nobody can say that it wasn't good.
 
 
 
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Aussiegunneragain    Freudian Slip ...    10/21/2009 7:03:47 AM

I think both the F-106 and Draken were successful designs but the difference is the F-106 during its time was the best in the business in its role as a pure interceptor. The Draken was perfect for Sweden, for obvious reasons but I don't think you can put it in the top of the class.

 

One more thing. why do think the most successful Russian fighter of all time (in terms of combat, production, and service length) was not that good?
 

There is obviously a degree of subjectivity in the way I rated them ... somebody else may do it differently. My judgement was if a bleeding edge (for the time) design could do the job it was designed to do well, without any major design impediments to its ability to wartime operations, then it came into the pretty damn good catagory. Both the F-106 and the Draken came into that catagory To get into the top catagory it had to substanitally exceed expectations without any offsetting problems in the way that IMHO only the F-4 did.

 

To be frank apart from the F-106's range, which Sweden didn't need, from the B model Draken I don't see that the

 F-106 was that much better in the interception role. Both could get to the enemy fast under semi-automatic guidance from the ground and do a head on attack, so why is the F-106 that much better?

 

As for the Mig-21, the fact that it was the most successful Russian fighter of all times on those accounts simply shows us that Russian fighter design has been pretty mediocre over the years. It was nearly always on the end of negative kill ratios against types in its generation, had a lousy view out of the cockpit, far too short a range including a design flaw so that it couldn't use the last 1/5 of its fuel tanks without crashing, a poor turning circle at low level and poor manouverability at low level. Its speed, manouverability at higher altitude and price offset this enough to make it useful but nobody can say that it wasn't good.

 

 



... .
 
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Bluewings12       10/21/2009 5:46:12 PM
sentinel :
""I do not agree that Australian pilots suck, which is what BW is implying""
 
Huh ??? I have never said or implied such thing ! At the contrary  , I rate the OZ pilots very highly , amongst the best I must add .
I was talking about the Australian assembly lines , people running them , logistics and maintenance .
Not about the pilots !
 
Cheers .
 
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Bluewings12       10/21/2009 6:12:19 PM
Herald : (Ooops sorry) Hamilcar :
 
""It was a piece of JUNK, that Israel spent a lot of time fixing, and when they finally fixed it, they unloaded it as fast as they could for good aircraft""
 
282 kills is rather good for a "piece of junk" , Don 't you think ? I guess not . It is a strange thing to say for a fighter who (when fixed) smashed everything it did encounter .
Nevertheless , I thank you for providing such an interesting read .
 
""The French Mirage took the take off like a rocket thing a little too seriously, and was fitted with a rocket pack that was fired after takeoff, as the plane razed it's nose up, and propelled the Mirage to an amazing 75,000ft in the nick of time.""
 
 

Rafale operational ceiling is 55,000ft+ , not 75,000 (!) . The Mirage III was not only a very high altitude interceptor but a deadly dogfighter and that in itself shows that the Snecma Atar 9C (the one I was talking about) had a lot to do with it .
 
Cheers .
 
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Hamilcar    Hamilcar's reply.   10/21/2009 6:32:36 PM
The Falcon was a horrible missile that needed a lot of work before it performed halfway decently.

That Draken was definitely better that the F-106. Better radar intercept setup, plus it used Sidewinder/Improved Falcon clones. it also used the ADEN cannon whicj was a lot less troublesome than the DEFA cannon.
 
The Mig 21 scored a  coupler of hundred kills and was a piece of flying JUNK as was and is the Mirage.
 
Junk is JUNK. Excellent pilots gave those design and build horrors a reputation they didn't deserve.
 
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