How about one of these

[mussie]

http://www.zenoswarbirdvideos.com/P-51_Variants.html

North American P-51 Mustang Variants

NA-73X: Original privately financed prototype
1,100-hp twelve-cylinder Vee liquid-cooled Allison V-1710-F3R engine
Designed to carry four 0.5-in and four 0.3-in machine guns, none mounted
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NA-73 Mustang Mk I: 1st batch of 320 aircraft for RAF
1,150-hp twelve-cylinder Vee liquid-cooled V-1710-F3R Allison engine
382 mph @ 13,000ft
Four 0.5-in and four 0.303-in machine guns (two .0.5s mounted on underside of engine fired through the prop)
Many fitted with cameras for reconnaissance
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XP-51: Two (Nos 4 and 10) NA-73 aircraft for US evaluation

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NA-83 Mustang Mk I: second run (300) for RAF with minor changes
One aircraft later fitted with twelve-cylinder Vee liquid-cooled Merlin 61,
Two fitted with twelve-cylinder Vee liquid-cooled Merlin 65 as “Mustang Mk X”
One armed with two 40-mm Vickers 'S' cannon
British experiments replacing stock Allison engine with Rolls Royce twelve-cylinder Vee liquid-cooled Merlin engines led to dramatic performance improvements, especially at high altitude & subsequent use in all future production P-51s
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NA-91 Mustang IA: 93 aircraft supplied by Lend-lease to RAF (from batch of 150)
Four 20-mm Hispano wing cannon

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P-51 (NA-91) remaining Mustang IA batch (57 aircraft) retained
by US after 12/8/41
Four 0.5-in machine guns
Fitted with two K24 cameras as P-51-1s, later redesignated F-6A

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P-51A (NA-99)

6433 lbs empty, 8600 lbs normal, 10,600 lbs max
Allison V-1710-81 (export V-1710-F20R) engine, 1,200 hp @ takeoff , 1125 hp @ 18,000 ft
340 mph @ 5000 ft, 360 mph @ 10,000 ft, 380 mph @ 15,000 ft, 390 mph @ 20,000 ft
2.2 minutes to 5,000 ft, 4.4 minutes to10,000ft, 9.1 minutes to 20,000ft. Service ceiling was 31,350 ft
No nose guns, four 0.5-in wing machine guns, pylons for two 500-lbs bombs

310 built, 50 to RAF as “Mustang Mk II”

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XP-51B (NA-101) originally “XP-78”
Based on RAF experiments, two P-51s re-engined with 1,450 hp Packard twelve-cylinder Vee liquid-cooled Merlin V-1650-3 twelve-cylinder Vee liquid-cooled Merlins

441 mph at 29,800 ft
carburetor air intake moved from above to below nose
exhaust expelled through individual stacks
ailerons modified
Intercooler & radiators extensively modified
No guns

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P-51B (NA-102/104) production version of XP-51B,

6,840lbs empty, 9,200lbs normal, 11,200lbs max
1,620 hp Packard twelve-cylinder Vee liquid-cooled Merlin V-1650-3 twelve-cylinder Vee liquid-cooled Merlin

388 mph @ 5000 ft, 406 mph @ 10,000 ft, 427 mph @ 20,000 ft, 430 mph @ 25,000 ft, 440 mph @ 30,000 ft
1.8 minutes to 5000 ft, 3.6 minutes to 10,000 ft, 7 minutes to 20,000 ft. Service ceiling 42,000 ft
Four 0.5-inch Browning MG53-2 guns in wings, 350 rounds each gun, and 280 rounds each outer gun
NA-104 wing hardpoints strengthened for 1,000-lbs bombs
Final 550 aircraft added 85-US gal rear fuselage tank (P-51B-7-NAs), also retrofitted to some earlier aircraft

Green camouflage paint removed later in production run to reduce weight/drag
1,988 built, 25 to RAF
Mustang Mk III British equivalent P-51B/C (274 P-51Bs and 626 P-51Cs)
British addition of "Malcolm Hood" or "Bubble" canopy on Mustang III improved visibility, retrofitted to many P-51B/Cs
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P-51C (NA-103/111) Similar to P-51 B but built in Dallas TX , (not Inglewood CA)

6985 lbs empty, 9800 lbs normal, 11,800 lbs max
1695 hp Packard twelve-cylinder Vee liquid-cooled Merlin V-1650-7
395 mph @ 5000 ft, 417 mph @ 10,000 ft, 426 mph @ 20,000 ft, 439 mph @ 25,000 ft, 435 mph @ 30,000 ft
1.6 minutes to 5000 ft, 3.1 minutes to 10,000 ft, 6.9 minutes to 20,000 ft. Service ceiling 41,900 ft
1,750 built

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XP-51D (NA-106) Two P-51 Bs with teardrop canopy, cut-down rear fuselage
Six 0.5-in wing guns (Not mounted)

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P-51D (NA-109/111/122/124) production version of XP-51 D

7,125lbs empty,10,100lbs normal, 12,100lbs max
1,685-hp V-1650-7 twelve-cylinder Vee liquid-cooled Merlin engine

395 mph @ 5000ft, 416 mph @ 10,000ft, 424 mph @ 20,000 ft, 437 mph @ 25,000 ft
Initial climb 3,475ft/minute, 1.7 minutes to 5,00ft, 3.3 minutes to10,000ft, 7.3 minutes to 20,000ft
Service ceiling 41,900 ft
Six 0.5-in wing guns

K-14 computing gyro gun sight
Tear drop Plexiglas canopy now standard
Dorsal fin for stability added early in production, retrofitted to many Bs, Cs, & early Ds

Block 25 on, provision for four 5-in rockets added
Production: 6,502 (Inglewood) 1,454 (Dallas) -- 280 to RAF as “Mustang Mk IV”
Redesignated F-51D in 1948
The P-51D was the definitive World War II variant
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FP-51D: post-war redesignation of F-6D, redesignated RF-51D in 1948
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TP-51D: two-seat trainer version of P-51D
Four 0.5-in wing guns
Production: 10 built in Dallas, also several conversions of existing aircraft
Redesignated TF-51D in 1948
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ETF-51D: One TF-51D converted for carrier landing tests

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P-51E: designation planned for Dallas P-51 But not used, aircraft completed as P-51 D-NT
XP-51F (NA-105): lightweight model (9,060 lbs)

Structure almost completely redesigned
V-1650-7 twelve-cylinder Vee liquid-cooled Merlin w/Simmons automatic boost control for constant manifold pressure
5635 lbs. empty, 7610 lbs. Normal, 9,060 lbs. max,
466 mph @ 29,000 ft, 4.9 minutes to 19, 500ft, service ceiling 42,500 ft
Four 0.5 wing mounted machine guns
Redesigned cooling & hydraulic systems
Low-drag wing w/straight leading edge
Three completed, one to RAF

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XP-51G (NA-105) two aircraft similar to XP-51F (one to RAF)

5750 lbs. empty, 7265 lbs. normal, and 8885 lbs. max,
1,675-hp twelve-cylinder Vee liquid-cooled Merlin 145M engine, 1,910 hp

472 mph at 20,750 ft, 3.4 minutes to 20,000ft, service ceiling 45,700 ft
Rotol five-bladed propeller

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P-51H (NA-126/129) lightweight version similar to XP-51F except longer fuselage, taller fin
V-1650-9A twelve-cylinder Vee liquid-cooled Merlin 1,380 hp /take-off, 2,218 hp/at altitude w/water injection

6585lbs empty, 9500lbs normal, 11,500lbs max
1380 hp @ takeoff , 2218 hp war emergency power @ 10,200 ft., 1900 hp @ 20,000 ft w/water injection
444 mph at 5000 ft, 463 mph at 15,000 ft, and 487 mph at 25,000 ft
5000ft in 1.5 minutes, 15,000ft in 5 minutes
Six 0.5-in wing guns
555 NA-126 s completed, 1,445 NA-129s cancelled

First flown by Bob Chilton on February 3, 1945, whether or not the P-51H participated in combat in World War II is still controversial
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XP-51J (NA-105): two aircraft similar to XP-51F but powered by 1,720-hp Allison V-1710-119

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P-51 K (NA-111) Dallas version of P-51D with smaller diameter Aeroproducts propeller
Block 10 & later: four stubs for 5-in rockets
1,500 built -- 594 to RAF as “Mustang Mk IVA”
Redesignated F-51K in 1948

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P-51L (NA-129) Cancelled (1,700) production version of P-51H with V-1650-11

Stromberg speed/density injection carburetor, 2270 hp w/water injection
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P-51M (NA-124) Dallas version of P-51H with V-1650-9A; one completed, 1,628 cancelled
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A-36A (NA-97) "Apache," later "Invader," finally "Mustang" dive bomber variant with hydraulic retractable dive brakes in wings

8,370 lbs normal, 10,700 lbs max
Six 0.5-in machine guns (two in lower fuselage nose & four in the wings), 2 X 500 lbs bombs
Pylons for two 500-lbs bombs;
Allison twelve-cylinder Vee liquid-cooled V-1710-87 (F21R) 1325 hp at 3000 ft
356 mph @ 5000 ft "clean," 310 mph w/two 500-lbs bombs
500 built, three to RAF

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F-6A: 57 P-51 s fitted with two K24 cameras in fuselage for reconnaissance
Four 20-mm cannon in wings

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F-6B: 35 P-51 As fitted with two K24 cameras
Four 0.5-in wing guns

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F-6C: tactical reconnaissance version of P-51 B/C with two K24 or one K17 and one K22 camera
71 P-51Bs; 20 P-51Cs converted

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F-6D: 136 P-51 Ds with fuselage camera
Further conversions made from P-51 Ds
Redesignated FP-51 D and then RF-51 D
A few converted to two-seat configuration designated TRF-51D

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F-6K: 163 P-51 Ks with camera installations
Redesignated FP-51K and then RF-51 K

[Skilless]

You forgot the twin mustang F82.

[Widewing]

Originally posted by mussie
[P-51 (NA-91) remaining Mustang IA batch (57 aircraft) retained
by US after 12/8/41
Four 0.5-in machine guns
Fitted with two K24 cameras as P-51-1s, later redesignated F-6A

This is incorrect. All 57 retained the four Hispanos, two of which were the basis of the XP-51B (XP-78). The remaining 55 aircraft were converted to F-6A photo ships.

Here's a photo of the Mustang 1a/P-51 final assembly and rigging outside, on the ramp and a crisp copy of a P-51 in flight. The top photo shows the wooden wheels used to roll the aircraft around the factory are being replaced with proper wheel/tires assemblies.





My regards,

Widewing

[Billy Joe Bob]

Originally posted by Skilless
You forgot the twin mustang F82.

sorta off topic but what i sthe twin mustang? in my avation history book i have it looked like it had two cockpits.

[frank3]

It's basically just 2 P-51D's, with a connecting piece of wing in between them

I believe they only had 6 mg's though

[Widewing]

Originally posted by frank3
It's basically just 2 P-51D's, with a connecting piece of wing in between them

I believe they only had 6 mg's though

IIRC, the P-82 was based upon two stretched P-51H fuselages.

My regards,

Widewing

[frank3]

H's? Are you certain? I always thought the H-version would come later?

Or was that the F-51?

[Skilless]

How do you upload an image?  I have a few better pics of these planes but I had to link with an image seach on the web to get this one...

The fuselage definately has been stretched aft of the cockpit and the verticle stablizer has been enlarged.

A few facts I know about the f82.  Early models had a two merlins rotating in opposite directions. in tests it was found that the props downward swipe inboard (does that make any sense) cancelled out almost all of the lift of the center wing, making it highly unstable.  They switched the engines so that the downward swipe was outboard and fixed the problem.  Later variants had Allison engines turning in the same direction.  There was a nightfighting version with a huge radar pod under the center wing (can't find a photo example of this plane).  I don't know if it was based on the d or h mustang flavor, but this plane did see action as escort in the Pacific.  The idea was to have a two pilot fighter so they could take shifts on the extremely long bomber runs.  Pacific escort pilots had to sometimes actually be physically removed from their planes after missions due to shear exhaustion.  I believe the premise for this plane went all the way back to the Battle of Britain when we were unsure if we were going to have to send bombers all the way from the US.  Believe it or not, due to added drag of the extra fuselage, this plane was only a couple of mph faster than a regular mustang and obviously less agile...

My source of info on this topic comes from a book called "P51 Mustang in Action", and it tells the story of the Mustang from inception to demise.  A highly recommended read with lots o' pics.

I'm sorry if I hi-jacked the thread.

[Skilless]

Here's a nice comparison of a P51H and an F82G nightfighter.
Note that the H model has the flattened canpy of the P51E and the F82 has the rounded canopy of the P51D.  It also apears to have been stretched both fore and aft of the cockpit.

It comes from this website.-

http://www.rccaraction.com/fj/planes.asp

[Finrod]

OK, so a question then for the learned of the group. Didn't the Air Corp have an airplane modelled on the early 51 called the A-36 Apache which had cannon and was meant to be a ground attack plane. I could swear I'd read about it somewhere.

[Skilless]

Originally posted by Finrod
OK, so a question then for the learned of the group. Didn't the Air Corp have an airplane modelled on the early 51 called the A-36 Apache which had cannon and was meant to be a ground attack plane. I could swear I'd read about it somewhere.

Not exactly.  My sources say the only difference between the A36 and the P51AIt was hydrolic dive brakes to reduce compression.  The Apache had the Allison engine which actually produced more horspower on the deck than the Merlin.  The Apache was liquid cooled with it's radiator under the wing which made it vulnerable to ground fire; not a desirable atribute to an attack plane.

http://home.att.net/~jbaugher1/p51_6.html

http://www.wpafb.af.mil/museum/air_power/ap21.htm

[Chain]

we need this:)

[Krusty]

If we get an A-36 it'll have 2x50cal under the nose and 4x30cal in the wings (I don't know where they get 4x50cal from, it's only got 4 wing guns that I can tell, and they're all 30cal! Plus 2 under nose = 6 guns total)

[Smut]

Originally posted by Krusty
If we get an A-36 it'll have 2x50cal under the nose and 4x30cal in the wings (I don't know where they get 4x50cal from, it's only got 4 wing guns that I can tell, and they're all 30cal! Plus 2 under nose = 6 guns total)

Guess again:

The A-36A differed from previous Mustang versions in having a set of hydraulically-operated perforated door-type dive brakes mounted at approximately mid-chord on both the upper and lower wing surfaces outboard of the wing guns. The brakes were normally recessed into the wings, but were opened to 90 degrees by a hydraulic jack to hold diving speeds down to 250 mph. A rack was fitted under each wing for a 500-pound bombs, a 75 US gallon drop tank, or smoke-curtain equipment. A built-in armament of six 0.50-inch machine guns (two in lower fuselage nose, four in the wings) was fitted, however the two nose guns were often omitted in service. The wing guns were moved closer to the main landing gear strut in order to minimize stress under taxi and takeoff conditions. The engine was the Allison V-1710-87 (F21R), rated at 1325 hp at 3000 feet. Normal and maximum loaded weights rose to 8370 pounds and 10,700 pounds, and the maximum speed in clean condition fell to 356 mph at 5000 feet and 310 mph with the two 500-lb bombs fitted. With the bombs, range and service ceiling were 550 miles and 25,100 feet respectively.

Source: http://home.att.net/~jbaugher1/p51_6.html

-Smut

[Krusty]

Your source is a personal webpage, and is incorrect. It NEVER had 6x50cals. Ever. It had 2 in the nose (for sure) and 4x30cal in the wings.

Hrm.... I did a quick search and found a few other places that say 6x50cal. I could have SWORE it had 4x30cal. Did they change it so that early ones had 30, and later ones had 50 caliber?