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More production stuff - 5/1/2007 8:31:47 PM   
fochinell

 

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OK, this time I'm on about the P-38. Now, I dunno what HS and his code slaves have planned, but here are my awesomely-important thoughts on the matter:

1. The old 9 P-38H/12 P-38L in after Sep '43 gives too many P-38's. There were only about 155 P-38's accepted from the factory in September '43. While delivery rates in the game should be flexible (due to the AI's unbelievable attrition rate if nothing else), over 600 P-38's per month is too much.

2. Production rate should be smaller - maybe 3 P-38H per day, moving to 9 for the P-38J in Oct '43. Lightnings were in short supply in 1943, and were much in demand in all theatres due to the fact that they had the longest combat radius by far over any other allied fighter of the time. I think the H was in production until December '43, so it might be worth keeping it going alongside the J until January 1944, when J's could appear at a rate of 12 per day.

3. The J should have the speed, cruise and range benefit that the J-15 models had over the H model as engine output restrictions were eased with the new relocated coolant system, and fuel tanks were added to the old intercooler positions in the wings. Do you have any new endurance/range figures for the P-38 models, HS?

4. The MVR penalty over 20,000 ft should stay in place until the L model comes along with dive-flaps and aileron boost in April '44 (the L started deliveries in June '44, but late J models got the dive recovery flaps fitted after delivery). Then it should not only lose the penalty but start with a better MVR rating than the H & J models.

OK, any thoughts?



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RE: More production stuff - 5/1/2007 9:08:18 PM   
von Shagmeister


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Good stuff Gavin, keep it coming. What are your sources.

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RE: More production stuff - 5/2/2007 12:48:49 AM   
harley


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4. I'm not sure what HS has told the forums about the new altitude modifiers I put in, but suffice to say it's been totally revamped. Utterly and completely.

The other points you mention are OOB questions, so I'll leave them for the experts...





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RE: More production stuff - 5/2/2007 12:56:39 AM   
fochinell

 

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VS,

Sources for my wild speculation are Francis Dean's "America's Hundred Thousand", Warren Bodie's "Lockheed P-38 Lightning" and the USAAF Statistical Digest. Table 75 from the Digest gives the following figures for factory acceptances -

August '43: 102 P-38, 501 P-39, 463 P-40, 434 P-47 and 175 P-51.
September '43: 66 P-38 (plus 89 F-5's converted on the factory production line - at this point F-5 production was done in 6-month batches by the factory, instead of the later system of converting P-38 fighters after delivery), 280 P-39, 400 P-40, 496 P-47 and 201 P-51.

These figures need to be reduced by allocation and delivery times (e.g. most of the P-39's went to the USSR, and while the P-51's were all Merlin-engined B models, they were in the process of shipment and weren't available in the ETO/MTO for a couple of months), while on the other hand the game may require an increase or tweaking of production as HS has done for the P-40 variants to deal with the AI's ability to use up the entire production of allied aircraft in high-attrition attacks. So while I'm a stickler for historical accuracy, I think some gameplay feeedback would be just as valid.

(in reply to von Shagmeister)
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RE: More production stuff - 5/2/2007 1:03:41 AM   
fochinell

 

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4. I'm not sure what HS has told the forums about the new altitude modifiers I put in, but suffice to say it's been totally revamped. Utterly and completely.

Excelleurnt. If HS has posted anything on this, can somebody point me to the right post?

The other points you mention are OOB questions, so I'll leave them for the experts...

Heh heh, like that has ever stopped you before....

(in reply to harley)
Post #: 5
RE: More production stuff - 5/2/2007 1:50:27 AM   
von Shagmeister


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quote:

ORIGINAL: fochinell

VS,

Sources for my wild speculation are Francis Dean's "America's Hundred Thousand", Warren Bodie's "Lockheed P-38 Lightning" and the USAAF Statistical Digest. Table 75 from the Digest gives the following figures for factory acceptances -

August '43: 102 P-38, 501 P-39, 463 P-40, 434 P-47 and 175 P-51.
September '43: 66 P-38 (plus 89 F-5's converted on the factory production line - at this point F-5 production was done in 6-month batches by the factory, instead of the later system of converting P-38 fighters after delivery), 280 P-39, 400 P-40, 496 P-47 and 201 P-51.

These figures need to be reduced by allocation and delivery times (e.g. most of the P-39's went to the USSR, and while the P-51's were all Merlin-engined B models, they were in the process of shipment and weren't available in the ETO/MTO for a couple of months), while on the other hand the game may require an increase or tweaking of production as HS has done for the P-40 variants to deal with the AI's ability to use up the entire production of allied aircraft in high-attrition attacks. So while I'm a stickler for historical accuracy, I think some gameplay feeedback would be just as valid.



Hi Gavin,

USAAF's own figures, can't get much more accurate than that.

Cheers

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RE: More production stuff - 5/3/2007 5:53:33 PM   
Hard Sarge


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Man, I having trouble getting any dates on the L

but, I can change the H to 3 a day, was going to have the J be 9 in 43, and 12 in 44, will use April 44 as the start date for the L

yes, the H and J have alt troubles, the L will be better

the J gets the 110 extra fuel the change in the wing made



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Post #: 7
RE: More production stuff - 5/5/2007 4:50:09 PM   
fochinell

 

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I can change the H to 3 a day, was going to have the J be 9 in 43, and 12 in 44, will use April 44 as the start date for the L

yes, the H and J have alt troubles, the L will be better

the J gets the 110 extra fuel the change in the wing made


Excelleurnt. Despite the evidence that HS was doing this anyway, I will now appropriate all the credit. For my next trick, I will get Harley to start drinking expensive imported foreign beer.


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Post #: 8
RE: More production stuff - 5/5/2007 5:12:05 PM   
Hard Sarge


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quote:

ORIGINAL: fochinell

I can change the H to 3 a day, was going to have the J be 9 in 43, and 12 in 44, will use April 44 as the start date for the L

yes, the H and J have alt troubles, the L will be better

the J gets the 110 extra fuel the change in the wing made


Excelleurnt. Despite the evidence that HS was doing this anyway, I will now appropriate all the credit. For my next trick, I will get Harley to start drinking expensive imported foreign beer.




right now I got the production rate at 4 a month for the H, ends Sept 43

J will be at 9 for 43 and 12 for 44, ends in April 44

the L will be 12 in 44 and 8 in 45



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Post #: 9
RE: More production stuff - 5/5/2007 11:00:16 PM   
fochinell

 

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the L will be 12 in 44 and 8 in 45

Aha, so there *is* a '45 replacement scale.....

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Post #: 10
RE: More production stuff - 5/6/2007 3:04:10 AM   
harley


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quote:

ORIGINAL: fochinell

Aha, so there *is* a '45 replacement scale.....



Yes, there is independent replacement rates across all game years. I think I threw in 1942 "just in case".

Also - types have an "end date" for production, too, where new AC will no longer arrive after a certain date. The intent being that the model is upgraded to something else by then... The defender can continue building old types, if he wants... :D



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RE: More production stuff - 5/6/2007 8:01:32 AM   
Hard Sarge


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Roger and Roger

start dates will always be the start of the month and end dates the end of the month, so, something like a new plane model comeing in, if I set it up to be both in Sept, then the old plane will still build until the end of the month, while the new plane would begin being built at the start of the month

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RE: More production stuff - 8/25/2007 3:33:59 AM   
medaloffairness

 

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Hi my BTR addicted friends,

Since I heard that a new version of my beloved game is going to be rereleased (?) and so many persons are putting so much effort in the accuracy of the historical input, I read no newspaper any more but books about planes and airwar history in that times.

And I found something which might be surprising for some of you:

The most output of planes on the axis side took place in the mid of the year 1944. The raid for destroying the facilities in the Big week was published as a victory for the Allied, but as we see in the statistics the result seems to be different.

Single engine Planes:
Jan 44: 1315
Feb 44: 1016
March: 1377
April: 1696
May: 1907
June: 2177
July: 2627
August: 3031

If someone wants to get the source of this figures I can deliver it. These numbers are not taken from a funny website but from a thesis for a doc. at an university.

The reason for this high numbers of production is the big week and the previous attacks on the german aircraft industry itself. After this attack, which destroyed most of the buildings but not the machines, the production of planes were diversified into pieces. This was realized by conducting the production under the earth :-)
This had also a bad effect on the persons who produced them because their working hours were increased to a 75 hours week.
These production numbers sounds great in the first place but there were other problems which accured, which had effects on the availability of these planes.
1.) Shortage of Replacements for turbines and engines. Due to the diversified production any harm to the logistical surroundings were crucial.
2.) Shortage of fuel started in the mid of 1944 (which was also the reason for the fail of the Ardennes offensive, beside some brave American units)

In the game the destroying of the oil industry and railways are reflected very well and will lead to the same result like the historical one. But I doubt that targeting air factories in late 1944 is historical accurate because the production of the planes itself was not that harmed due to the reasons mentioned above, like it would be, if you can attack a single aircraft factory in the game.

It would be interesting for me what others do think about it.


Gameplay Questions:

1.Production delay

Another thing which was a bit surprising for me in the old version of BTR was that if you have a factory with capacity of 4 and you change just one plane type, than the production will be delayed for all planes produced.
I thought about some reasons for it but I can`t find one which would fit. Could someone explain it, please?

2. Additional power for german planes

In order to increase the horse power of FW 190 and ME 109 it was possible to use a chemical mix on an alcoholic basis (methanol) for a short time which enabled the pilots to evade from the scene. Of course, this harms the engine a bit, but was very important in a dogfight with many opponents. I am sure that everyone who knows the simulator IL2 Sturmovik is thankful for having this opportunity when it`s getting hot and the air is filled with bullets :-) (By the way: My nick on IL2 is Oktopus)
Is there a chance to get this into the game?

Thanks for reading my silly thougts at night. ;-)

Best Regards
Chris








Thanks for reading my thread




(in reply to Hard Sarge)
Post #: 13
RE: More production stuff - 8/25/2007 12:19:52 PM   
von Shagmeister


Posts: 1273
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From: Dromahane, Ireland
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quote:

ORIGINAL: medaloffairness

Hi my BTR addicted friends,

Since I heard that a new version of my beloved game is going to be rereleased (?) and so many persons are putting so much effort in the accuracy of the historical input, I read no newspaper any more but books about planes and airwar history in that times.

And I found something which might be surprising for some of you:

The most output of planes on the axis side took place in the mid of the year 1944. The raid for destroying the facilities in the Big week was published as a victory for the Allied, but as we see in the statistics the result seems to be different.

Single engine Planes:
Jan 44: 1315
Feb 44: 1016
March: 1377
April: 1696
May: 1907
June: 2177
July: 2627
August: 3031

If someone wants to get the source of this figures I can deliver it. These numbers are not taken from a funny website but from a thesis for a doc. at an university.

The reason for this high numbers of production is the big week and the previous attacks on the german aircraft industry itself. After this attack, which destroyed most of the buildings but not the machines, the production of planes were diversified into pieces. This was realized by conducting the production under the earth :-)
This had also a bad effect on the persons who produced them because their working hours were increased to a 75 hours week.
These production numbers sounds great in the first place but there were other problems which accured, which had effects on the availability of these planes.
1.) Shortage of Replacements for turbines and engines. Due to the diversified production any harm to the logistical surroundings were crucial.
2.) Shortage of fuel started in the mid of 1944 (which was also the reason for the fail of the Ardennes offensive, beside some brave American units)

In the game the destroying of the oil industry and railways are reflected very well and will lead to the same result like the historical one. But I doubt that targeting air factories in late 1944 is historical accurate because the production of the planes itself was not that harmed due to the reasons mentioned above, like it would be, if you can attack a single aircraft factory in the game.

It would be interesting for me what others do think about it.


Gameplay Questions:

1.Production delay

Another thing which was a bit surprising for me in the old version of BTR was that if you have a factory with capacity of 4 and you change just one plane type, than the production will be delayed for all planes produced.
I thought about some reasons for it but I can`t find one which would fit. Could someone explain it, please?

2. Additional power for german planes

In order to increase the horse power of FW 190 and ME 109 it was possible to use a chemical mix on an alcoholic basis (methanol) for a short time which enabled the pilots to evade from the scene. Of course, this harms the engine a bit, but was very important in a dogfight with many opponents. I am sure that everyone who knows the simulator IL2 Sturmovik is thankful for having this opportunity when it`s getting hot and the air is filled with bullets :-) (By the way: My nick on IL2 is Oktopus)
Is there a chance to get this into the game?

Thanks for reading my silly thougts at night. ;-)

Best Regards
Chris








Thanks for reading my thread






1944 was the year when the German economy produced the most. During 1944 the measures inmplemented in 1943 really started to bear fruit [even with the effects of the combined bomber offensive], largely thanks to the efforts of Albert Speer. The economy wasn't put on a total war footing until quite late in the war as they originally believed that the war would be "relatively" short.

1.Production delay

Like you many of us have always questioned this. This has now been rectified so that retooling one production line will no longer disrupt production on adjacent lines.

2. Additional power for german planes

Not 100% but I believe the figures included for various German a/c types include the use of MW 50 and GM 1

Keep posting your thoughts, they aren't silly. Many of the questions you ask are very pertinent [though most will not doubt have been asked over the years].

Best Regards

von Shagmeister

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(in reply to medaloffairness)
Post #: 14
RE: More production stuff - 8/25/2007 3:14:34 PM   
Hard Sarge


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Thanks Shaggy

I seen post before I left for work last night, so couldn't reply

parts or most of that is in

most major SITES, if bombed above 50% got a chance to break down and go to other sites (I not going to even try and misspell the name, as I totally can't spell that one)

so, say there is a 10 EFAC, it gets bombed to 85% damage, after a day or so, it will turn into a FAC, and all production will move to other sites, which will come online in a bit (thinking it was a 20 day delay) so blow up a big site, it will be come a few smaller sites which do have a chance to get bigger as the war goes on

some players will tell you it is better to wait to knock out the big sites, to keep the small ones from coming online, but then again, knocking out 10 BMWs a day on the first day of the battle, may mean more then knocking it out 350 days into the battle (but 350 days into the battle, you got a better chance to knock out the other sites and keep the new ones under pressure)

production, mid to late 44, depends, on how the war is going, you knock out a Site, it may mean nothing to the production rates, the stockpiles have already been being built up

old game, you could have 100's or even 1000's of planes in stock, knock out every AFAC making 190s and you got 1500 190s in stock, you are not going to notice any difference in the game

new game, production is much more brittle, you can still make tons of planes, but many more options, more engines and plane types, so say you have one factory building DB 628s for the 109H, that site gets nailed, you may have to scamble some if you still want that plane type to be built

MW 50, GM 1, WEP and other factors are in, that is still part of the top speed in use

one trouble with late war GE numbers, most of them are not from flying tests or combat tests, but from windtunnel tests, and what the designers and techs thought it should be able to do, so alot of the numbers show for planes like the 109K are much higher then what were found out after the war during the testing of them, so we are sort of stuck with testing info and book info and what we think info

(as a side note, have you ever seen a pic of the 109K with a 4 bladed prop ? that is the one most books give you the top speed for)

and as Shaggy says, keep asking questions




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RE: More production stuff - 8/27/2007 6:02:08 AM   
Denniss

 

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AFAIR relocating a factory resulted in a delay of 30 to 36 days (don't remember exact but it was more than 20 days).

The K-4 was able to achieve 728 km/h with the prototype prop, standard K-4 reached ~712 km/h, data most probably for full throttle height. The K-4 may have been a little faster than the 712 km/h because optimum speed is often reached at 500 to 1000m above rated altitude/full throttle height (K-4 had 7.5km rated altitude).

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Post #: 16
RE: More production stuff - 8/27/2007 12:40:13 PM   
Alfred

 

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The factory retooling delay in BTR is 36 days.

Alfred

(in reply to Denniss)
Post #: 17
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