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P47 usage - 3/28/2015 10:56:05 PM   
HMSWarspite

 

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I have been wasting valuable gaming time by trying to puzzle out the '43 campaign game start 8AF fighters. I have always been puzzled by the fact the P47C was already out of service by early July according to the game. The problem is finding dates for FG changeovers from (for instance) P47C to P47D (in this case -5). And the answer is: they didn't! Replacements came in as needed, and at some point the supply swapped from the C to the D. P47Cs (or pre P47D-5s) were still being flown by FGs in to 1945 (although they were probably field modded to better standard by then). Add to this the issue that D-1 to D-3 (ignoring build location for now) are identical in game terms and you need to decide when an FG became predominately D-5 equipped (since, as the game correctly highlights) the D-5 is the first off the line with Water Injection and the 2300hp War Emergency rating.

Now, I think the P47C does need differentiating from the D-5 (and later), for the above reason. Thus we need to accept the approximation of a single change over and try to decide when it should be, in order the equip the right FGs at game start and get the pools right. I haven't got access to unit records but I have searched serial number records for fates of individual a/c. The results show:

4th FG only lost 1 P47d-5 in May 43, and lost 37 C models in that year. it starts losing later models in Jan 44. Thus it is clear 4th FG should be P47C equipped at game start

78th FG lost 29 C models up to Oct 43 before it started losing D's, thus it is also a clear C user at game start

For 352nd FG I haven't found enough losses to be conclusive, but it lost 4 C models in '43 before any D's were lost (first in Oct). Thus on balance it should be C equipped

353rd FG lost its first D in August (I only have 6 C lost before then), and losses are evenly split after that so it is inconclusive as to which model it should have

355th FG actually lost a D-5 (in Sept 43) before I find any Cs lost, and most losses I have found are D-5, thus on balance it should have D-5 in game.

The reinforcement 56th FG was losing Cs in accidents exclusively before its first D-5 in October. Thus again, I believe this unit should arrive as P47C equipped.

So we have probably 5 P47C units, and one P47D-5 at game start. (inc the 56th). As to pools, I have 1245 airframes that would could as C in game (but many stay in CONUS or go to PTO). 5 units use 75 each, or 375, and I have 110 losses to the end of the year, so I think we need the above units with a pool of c200 at start (assuming reinforcements don't draw from pools when they arrive)

Finally, a question: the C had the shackles for a 500lber under the fuselage (and a 200 gal DT, although that is described as 'not combat capable'). I presume it is classified as a fighter rather than FB because the shackles werent used? There is a case for classifying it as a FB(but with only 1 load out (single 500lb bomb)

Sorry for the major geek fest, but I got interested... (Evidence on request)

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RE: P47 usage - 3/29/2015 12:27:42 AM   
Denniss

 

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The early DTs were not pressurized so couldn't be used for bomber escort missions which was probably the primary task of these P-47s. Don't know if they were capable of holding the pressurized DTs introduced later or if they were used as FBs. I have to investigate this.

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RE: P47 usage - 3/29/2015 1:51:07 AM   
decourcy2

 

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And Warspite, remember that the P47C-5's and the P47D-5's are identical except serial numbers. Very minor changes. I think some of the ducting was changed, that's about it. Everyone thinks of bubble canopies when they think of P47D's but that was later.

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RE: P47 usage - 3/29/2015 7:39:21 AM   
HMSWarspite

 

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No, they weren't, that is the whole point. The D-1 to D-3 were identical in game terms to the C-5. The D-5-RE (and the D-4-RA) were the first ones with water methanol injection for a boosted max rating. I am under no illusions as to when the bubble canopy appeared; that is the D-25... I don't have my notes with me but the remaining varient is the D-15 with the wing hard points for better loads IIRC.

The game includes these major differences so I think they should appear correctly. I am going to look at the P51 next; I am not sure why the second version is the B-10, I think it should be the B-7, which is where the 85 gal fuselage tank was introduced. The changes between -7 and -10 don't seem to be significant. I think this may just be a label issue.

< Message edited by HMSWarspite -- 3/29/2015 8:41:12 AM >


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RE: P47 usage - 3/29/2015 9:34:48 AM   
Denniss

 

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Water injection was optional in D-5, it became standard at D-10 or a tad earlier. Many were refitted though.
I don't have data on hand now but the fuselage tank became standard on B-10, B-7 was prepared for it but not all had them.

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RE: P47 usage - 3/29/2015 1:11:26 PM   
HMSWarspite

 

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I was sticking with the game split... its hard enough tracking formal build batches without trying to split in batches as well!

As for P51B, OK I can understand that then. Sorry for doubting you there ;). Saved me a load of digging. Anything you want looked at, or shall I wander randomly?

Happy with my P47C work? As I say, there is at least one FG we could debate...

< Message edited by HMSWarspite -- 3/29/2015 2:14:07 PM >


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RE: P47 usage - 3/29/2015 1:23:03 PM   
HMSWarspite

 

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Interesting; I have Water Injection at D-5/(-4-RA), on manual control, switched to auto control for D-11 (both RE and RA), but not from primary sources. Not a big deal...

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RE: P47 usage - 3/29/2015 1:27:34 PM   
Smirfy

 

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How many of these planes would have been sent to somewhere like Langford Lodge and converted to the new model?

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RE: P47 usage - 3/29/2015 7:59:12 PM   
rjs28023


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The 4th FG, 56th FG and 78th FG were all equipped with the P-47C. Your other two Fighter Groups you mentioned probably had some C models and early D models.

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RE: P47 usage - 3/29/2015 10:10:05 PM   
HMSWarspite

 

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I am counting any D model pre-block -5-RE or -4-RA as the same as a C, and hence C in game.

Any chance of a mod on the next update (i want my 47Cs to be used ;) )

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RE: P47 usage - 3/30/2015 1:20:03 AM   
rjs28023


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The first three US Fighter Groups in England were equipped with the P-47C. The 56th FG brought them from Long Island, NY, the 4th FG traded their Spitfires for the P-47C, and the 78th FG lost its' P-38s to North Africa and began converting to the P-47C in the February to April 1943 timeframe. It makes sense that some units should be flying the P-47C on July 3, 1943.

I can say that a future scenario is coming with the P-47C in the starting lineup. That said, when the "Mighty Eighth" is ready to try a deep penetration raid into the bowels of the Reich the P-47C will be quickly replaced with the P-47D-5 with its belly tank.

Randy


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RE: P47 usage - 3/30/2015 9:59:48 AM   
Denniss

 

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Not easy to get proper documentation of P-47C capabilities - most book focus on D and newer - but I'll change the C to FB with bomb option. Assuming that they were modified to carry standard 75 gal DTs in 43 I'll add a date-limited option too. No bigger DT as one would assume the old Cs replaced by fresh Ds in the bomber escort role and the Cs relegated to strafing/bomb attacks.

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RE: P47 usage - 3/30/2015 10:29:36 AM   
rjs28023


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The picture is a line-up of P-47Cs of the 78th FG at Duxford. They have the pressed paper 108 Gallon Drop Tank on the centerline.




Attachment (1)

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RE: P47 usage - 3/30/2015 5:28:12 PM   
HMSWarspite

 

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I wonder what the date of the photo was. The sources I have now read seem to indicate that only some of the C-5 block had the B-7 bomb shackle, and hence it is extremely unclear whether to make the 'C' a FB or F. Given the picture, and the low(ish) number sent overseas I might guess that the ones that were sent mostly had the shackle. I am not totally bothered to be honest as I don't think they will be around in game for more than 10 turns or so, but I would like to have them in at July 43 start.

P47C(early), and P47C(late) anyone?

As to pools, I think we need to have D-5 pool and rate such that you can only switch the 3 'C' groups over by about October (so production plus pool needs to be about 250+ by 1st Oct (say), maybe 125+ by 1st Aug. That way you don't just create an issue of swapping them out for plentiful D-5s on turn 1...

The next issue I would like is to cut/delay the P51s... In fact on that subject, I believe the entire pool to date of a US aircraft becomes available after 1/3 months (new rules on 4 engines/fighters). This lags the introduction, but then you get massive catch up and too many available in theatre. I would love the pool to be permanently 1/3 months delayed...

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RE: P47 usage - 3/30/2015 6:28:58 PM   
Smirfy

 

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Losses and production are out of sync, I would rather have ahistorical pools for the Allies and use the right planes by date than have historical pools and production and regress to Aircobra, Hurrricanes and Hampdens

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RE: P47 usage - 3/30/2015 6:47:46 PM   
HMSWarspite

 

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There you leave me I am afraid. I have never had to regress as WA...

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RE: P47 usage - 3/30/2015 8:54:04 PM   
LiquidSky


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I'd like more hurricanes please.

They make excellent bombers

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