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PostPosted: Fri 06 Mar 2015 19:06 pm 
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From earlier discussion, and to avoid going O/T (which I would have, I think):

Flip Marchese wrote:
I have asked Airfix to consider the Merlin - engined X & B, with options for the XC & XD night fighter prototypes. Many of you may know that the XP-82 is being fully restored and that might being interest to the Merlin versions. The builds here are exemplary of how Monogram came in so strong to the 1:72 market in the mid-70s.

Good luck with that. This was first issued in 1973, btw. The Merlin versions were better performers than the Allison engined P/F-82s, but the USAAF baulked at the licence fees that R-R was requesting, and Allison suited their "All-American" goals, anyway. There is no easy route for Airfix to tool up for a P-82B, though. If Revell thought there was mileage in it, they're in a much better position.

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PostPosted: Fri 06 Mar 2015 19:37 pm 
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I had always wanted to do a Merlin engined F-82, I ended up making some moulds and did some castings

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PostPosted: Fri 06 Mar 2015 20:41 pm 
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I'll have two :)

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PostPosted: Fri 06 Mar 2015 21:33 pm 
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Brews wrote:
I'll have two :)


PM me :thumb: I'm sure we can come to some arrangement. So would that be two nacelles, or two sets :wink:

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PostPosted: Sun 16 Aug 2015 18:53 pm 
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There was an F82 model doing the rounds from frog and eastern export, I have it in my stash upstairs, if I were to do a merlin conversion I would buy 2 airfix P51 kits as donors and build it from them. Nice job on your moulds though I take it you've finished it now, can we see the fruits of your hard work.


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PostPosted: Sat 22 Aug 2015 14:09 pm 
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jag636 wrote:
if I were to do a merlin conversion I would buy 2 airfix P51 kits as donors

Wrong version, you need a P-51H specifically as the F-82 was a development from that variant.

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PostPosted: Sun 30 Aug 2015 01:35 am 
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I would imagine there is very little if anything that could be used from a P51 kit . For example I believe that the P51 H only had 15% of its components interchangeable with the P51D . The P/F82 was really a Twin Mustang only in name .


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PostPosted: Sun 30 Aug 2015 16:47 pm 
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Well I matched up one of my High Planes P-51H fuselages with the Monogram F-82 fuselage and the two match very well. High Planes kits are renown for their accuracy (even if they do need a bit of work) and the Monogram kit matches very well with the 3-View drawings in the book 'Aircraft of the Fighting Powers', so I think you have two fairly good representatives of each subject.

The difference are;

At the front the underside of the cowling where the F-82 uses the Allison and the P-51H uses a Merlin but the top line of the cowling, then back past the cockpit towards the tail are identical, as is the radiator duct along the lower line. Where it does a drastic change is aft of the duct outlet, but it's very easy to see what North American did, but basically they just extended the flowing lines of the P-51H fuselage. The dorsal fillet even is in the same position at the front and is just extended backwards.

The other thing is the wing was moved backwards about 12 or 13 inches (depends how accurate you measure it)

I'll take some photos of it later and you can see for yourself.

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PostPosted: Sun 30 Aug 2015 19:54 pm 
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Now, you've really piqued my interest. Can you make a P-51H from a P/F-82 using your P-82B nose?

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PostPosted: Mon 31 Aug 2015 01:42 am 
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You could -- but why bother, High Planes and Special Hobby both make a good P-51H (in 1/72 that is and both are available).

Beechnut also make one (got two in the stash) but they're a bit undersize for 1/72 scale, think they're more like 1/75 or something like that.

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PostPosted: Mon 31 Aug 2015 02:10 am 
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I would bother if I have more P-82s than I can use, but no P-51Hs :) - oh, I might have a Rareplane P-51H fuselage conversion ...

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PostPosted: Sat 05 Sep 2015 22:20 pm 
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A-ha! now I understand --- :nod:

OK here's a pic comparing the fuselages of the F-82G and P-51H, remember that the Allison engine cowling was deeper and more straighter under the cowling. As you can see, all North American did was to extend the natural top and bottom lines of the P-51H rear fuselage so they came to a point, the reference books I have says the F-82 used the P-51H rudder too.

Image

Also the reference books say that the XP-82 used P-51H wings for the outer wings, however in this photo you can see that the F-82 wing has a broader chord although the wing's span is the same.

Image

I've read that the XP-82 had to take a very long run to get airborne and that the solution to get it to take-off in a shorter run was to switch the props over from one fuselage to the other which solved the problem. However, I've recently come across some additional info which is supposed to come from the designer himself, and this was he increased the chord for the XP-82. Considering the info from the book say NA used the P-51H wing, and that the F-82 wing is broader than that, I'm now wondering if at first the XP-82 'did' have the P-51H wing but after a few flights was changed to the broader chord wing which helped the aircraft get off the ground quicker.

Also keep in mind that the leading edge of the F-82 is further back along the fuselage to the P-51H (about 1 scale foot)

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PostPosted: Sat 05 Sep 2015 22:28 pm 
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You could though use the new Airfix P-51D kit and some P-51H wings to make an XP-51F. You just need to source a FJ-1 canopy which you can get from JAYS Hobbies. At first I couldn't understand why the XP-51F and the G and J had such a large canopy compared to the D's, but then it came to me, NA raised the seat up about 6-8 inches so needed a taller canopy so the pilot still had headroom. The P-51H also has a raised cockpit, but NA built the fuselage sides up and then used their regular D canopy. The XP-82/F-82 uses the same set-up.

BTW, the P-51H wing is broader in the chord that the P-51D wing
Image

Image

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Last edited by kitnut617 on Sat 05 Sep 2015 22:51 pm, edited 2 times in total.

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PostPosted: Sat 05 Sep 2015 22:49 pm 
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For those who might be curious, here's a comparison of the P-51D fuselage to the P-51H but keep in mind I've also reworked the rear of the cockpit to except the FJ-1 canopy to make an XP-51F


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PostPosted: Sat 05 Sep 2015 23:00 pm 
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Now for those who might be even more curious, here's a Jet Mustang (a.k.a. the original XP-86), wings and tail plane from a FJ-1, fin and rudder from a F-82

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Last edited by kitnut617 on Sat 05 Sep 2015 23:05 pm, edited 1 time in total.

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PostPosted: Sat 05 Sep 2015 23:02 pm 
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Or maybe a jet development of the F-82

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PostPosted: Thu 24 Mar 2016 23:38 pm 
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Nice


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PostPosted: Fri 25 Mar 2016 00:28 am 
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Good work. It will look great in a all black scheme.

Jesper.

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PostPosted: Fri 25 Mar 2016 02:19 am 
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Nice work Kitnut, keep it up :thumb:

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PostPosted: Fri 25 Mar 2016 21:24 pm 
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Thanks guys, I will start an individual thread for those two jet projects, one of which is almost complete (hopefully in the next couple of weeks)

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