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  #1  
Old 09-22-2012, 12:43 AM
-)-MAILMAN- -)-MAILMAN- is offline
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Default P-51b-na & p-51c-nt

We have the P-51B-NA.
Which block number does this represent?
Which engine does this plane use in the game?
Packard Merlin 61, V-1650-3 or Packard Merlin 66, V-1650-7

We have the P-51C-NT.
Which block number does this represent?
Which engine does this plane use in the game?
Packard Merlin 61, V-1650-3 or Packard Merlin 66, V-1650-7

The P-51B-1-NA and P-51C-1-NT had the Packard Merlin 61, V-1650-3 installed and this continued up to the below listed production blocks.

Starting with the P-51B-10-NA block the Packard Merlin 66, V-1650-7 was installed and this continued with the P-51D & K models.
Starting with the P-51C-5-NT block the Packard Merlin 66, V-1650-7 was installed and this continued with the P-51D & K models.

The Packard Merlin 66, V-1650-7 had a modified supercharger which improved its low and medium altitude performance with a slight deterioration of high altitude performance as compared to the Packard Merlin 61, V-1650-3.

There were slight differences in in engine performance and limitations so I would like to know which engine is modeled in each of these two planes especially with changes to the heat parameters in the latest patches.

Thank you
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Last edited by -)-MAILMAN-; 09-22-2012 at 12:45 AM.
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  #2  
Old 09-22-2012, 04:59 AM
JtD JtD is offline
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Based on performance figures, the B&C both are supposed to represent -3 engines.
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  #3  
Old 09-22-2012, 06:45 PM
-)-MAILMAN- -)-MAILMAN- is offline
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After posting this question I found this.

If you start the game and at the main menu select the objects radio button, then select aircraft and then allies and you scroll down to the the P-51B-NA and P-51C-NT then select the description you get this:

P-51B-NA
P-51B-1-NA, 1943
Engine: 1 x V-1650-3 Merlin
Take-off: 1,400 HP
1,450 HP At 6040m

P-51C-NT
P-51C-10-NT, 1943
Engine: 1 x V-1650-7 Merlin
Take-off: 1,450 HP
1,695 HP At 3,140m

If you look at the performance graphs in IL2 compare it appears that the the P-51C-NT has a slight performance advantage over the P-51B-NA.

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Scrolling down the object descriptions of the P-51B-NA and P-51C-NT you see listed some of the production changes by block:

P-51B-5-NA, 1943
Engine: 1 x V-1650-3 Merlin
Take-off: 1,400 HP
1,450 HP At 6040
additional 321-liter self-sealing fuel tank behind the pilot
The game's P-51B-NA has the 85 gallon fuselage tank.

P-51C-5-NT, 1943
Engine: 1 x V-1650-7 Merlin
Take-off: 1,450 HP
1,695 HP At 3,140m
additional 321-liter self-sealing fuel tank behind the pilot
The game's P-51C-NT has the 85 gallon fuselage tank.

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Online research I found additional facts:

P-51B-7-NA
added an additional 85 gallon self-sealing fuel tank behind the pilot
The gam'e P-51B-NA has the 85 gallon fuselage tank.

P-51C-3-NT
added an additional 85 gallon self-sealing fuel tank behind the pilot
The game's P-51C-NT has the 85 gallon fuselage tank.


P-51B-15-NA
Engine: 1 x V-1650-7 Merlin
Inglewood Production line made this engine standard with this block.

P-51C-5-NT
Engine: 1 x V-1650-7 Merlin
Dallas Production line made this engine standard with this block.
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RAF designated the variant Mustang-III. RAF designated both the B & C as Mustang III. British planes were different from the American versions mainly in the shape of the canopy. British Mustang had a teardrop canopy in place of a visibility-hampering faired cockpit. As the canopy was produced by P. Malcolm & Co, the new canopy was known as the Malcolm Hood. Many of the P-51B & C in the 8th & 9th AF were retrofitted with this Malcolm Hood.

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So in the game we have at least the P-51B-7-NA with the V-1650-3 Merlin and the 85 gallon fuselage tank behind the pilot & the P-51C-3-NT with the V-1650-3 Merlin and the 85 gallon fuselage tank behind the pilot and has been retrofitted with the Malcolm Hood.

Does the P-51B-NA represent the P-51B-7-NA with the Packard Merlin V-1650-3 and the 85 gallon fuel tank behind the pilot and the fared canopy or Does it represent the P-51B-15-NA (or later) with the Packard Merlin V-1650-7 and its modified supercharger which increased its low - medium performance at a cost of slightly decreased performance at high altitude compared to the earlier engine plus the 85 gallon fuel tank behind the pilot?

Does the P-51C-NT represent the P-51C-3-NT with the Packard Merlin V-1650-3 and the 85 gallon fuel tank behind the pilot and retrofitted Malcolm Hood or Does it represent the P-51C-5-NT (or later) with the Packard Merlin V-1650-7 and its modified supercharger which increased its low - medium performance at a cost of slightly decreased performance at high altitude compared to the earlier engine plus the 85 gallon fuel tank behind the pilot and retrofitted Malcolm Hood?

Mustang III, 1944
It has the 85 gallon fuel tank behind the pilot to go along with the retrofitted Malcolm Hood, but does it use the V-1650-3 or the V-1650-7? What else is different between the RAF version versus USAAF versions.
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Last edited by -)-MAILMAN-; 09-22-2012 at 06:49 PM.
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  #4  
Old 09-23-2012, 03:37 AM
IceFire IceFire is offline
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The Mustang III in-game is the high boost (25lb?) version of the P-51C. Aside from that there is little difference. Also it has RAF fin flashes when the RAF is selected as an air force. I wish the P-51B and C did that too.
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  #5  
Old 09-23-2012, 09:42 AM
Fighterace Fighterace is offline
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Do the P-51B/C Mustangs' in this game need any improvements?
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  #6  
Old 09-23-2012, 03:11 PM
IceFire IceFire is offline
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Quote:
Originally Posted by Fighterace View Post
Do the P-51B/C Mustangs' in this game need any improvements?
The need a corrected wing visually. At present they have a P-51D wing with two machine guns removed.
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  #7  
Old 09-26-2012, 09:55 AM
RegRag1977 RegRag1977 is offline
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Default Yep true...

Quote:
Originally Posted by IceFire View Post
The need a corrected wing visually. At present they have a P-51D wing with two machine guns removed.
Oh yes that would give the earlies their original character (and the B/C have a lot of character ). What kills it totally is when the wing's leading edge get hit: then you see the third MG appearing with damage texture...Pity...Hope TD can do something to correct this, cause at the moment B/C are like franken planes: they deserve better.


Off topic, i know but a P51A would be great both for US and RAF scenarios...Just saying...
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