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2017-11-20

BACKGROUND NOTES

 
     
 

BOEING  B-17  Fortress

 
     
  The story which did happen ... outside Atlantic Air Combat  
     
  See also : Related page : BB17G60_Castle  
 

INTRODUCTION

The Boeing B-17 Fortress was a WWII piston engined heavy bomber, of which more around 12,000 were manufactured.  It mainly saw combat over the European theatre where ±4750 were lost in combat.  Only key variants mentioned here - interrested readers will find morre on USAF Industrial and naturally on Joe Baugher's pages.

AF Role

QTY

A/C

Name

    1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967
  USAF BB

512

B17E

Fortress

R1820-65

1200.hp

1941                          
  USAF BB

2300

B17F

Fortress

R1820-97

1200.hp

1942                          
  USAF BB

8660

B17G

Fortress

R1820-97

1200.hp

1943                          
  USAF [PR]

  10

B17G

 F9C

R1820-97

1200.hp

194+ 1949                        
  USAF SAR

130

B17G

 B17H/SB17G

R1820-97

1200.hp

1945 1955                        
  USN MP

  28

B17G

 PB-1B

R1820-97

1200.hp

1945                          
  USN AEW

  24

B17G

 PB-1W

R1820-97

1200.hp

1945                          
  USCG SAR

117

B17G

 PB-1G

R1820-97

1200.hp

1945                          

Foreign Operators

Of the various post WWII operators (see: WWII_Vintage or USAF Industrial) only two are of interest : Brazil and Portugal.  Both these operators essentially used the B-17H/SB17G variant for Seach-and-Rescue purposes

Historical

Op Role

QTY

Aircraft

Name

1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967
 

Brazil

AF SAR

7

B17G

Fortress

1951 1968 >> >> >> >> >> >> >> >> >> >> >> >>
 

Brazil

AF SAR

5

SB17G

Fortress

1951 1968 >> >> >> >> >> >> >> >> >> >> >> >>
 

Brazil

AF [PR]

1

RB17G

Fortress

1951 1968 >> >> >> >> >> >> >> >> >> >> >> >>
 

Brazil

AF SAR

7

SB17G

Fortress

1954 1968 >> >> >> >> >> >> >> >> >> >> >> >>
 

Portugal

AF SAR

5

SB17G

Fortress

1947 1960 >> >> >> >> 1960

Atlantic Air Combat™

Aircraft

Name

1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967

Brazil

AF BB

12

BB17G60

Castle

1951 1969 >> >> >> >> >> >> >> >> >> >> >> >>

Portugal

AF BB

5

BB17G60

Castle

1947 1960 >> >> >> >> 1960
 

=

AF SAR

7

SB17G

Castle

1954 1968 >> >> >> >> >> >> >> >> >> >> >> >>
 

=

AF AEW

~

P1B1W95

Sky.Light

1954 1968                        

THE B-17 IN ATLANTIC AIR COMBAT™

Operators

While the game focuses on early jets, there are several WWII vintage aircrafts involved and among them quite a few heavy bombers with designs mimicking the A683 Lancaster and A694 Lincoln ( Argentina), the B24L Liberator (India), B29G Superfortress (USA), Tu-4 Bull (USSR) and He177 (Sweden) to only name the most important ones, and thus a design inspired by the B-17 will also be present.

It will however be present as a bomber rather than a SAR platform with the SAR duties being carried out thanks liferafts hold in the bomb bay.  It will also be shown as an AEW platform for (at least) two South American operators, namely Brazil and Chile, but also for Portugal, ensuring the avaibility of this "function" in these areas of the game too...
BB17G60 Castle Bomber standing for the SB17G secondary ASW and SAR roles -
P1B1W95 Sky.Light AEW standing for the PB-1W exclusive to the game engine -

Weapons Load - General Comment

Several debates were noted regarding what the bomb capacity of the Fortress really was, as there are always differences between the maximum theoretical loads and what was actually flown in combat, the key points being load vs range and ... the necessities of the moment (target nature and mission objectives, (un)availability of a given bomb type, etc.  The same distinction may apply to any aircraft for that matter and the purpose this page isn't to re-start such polemics as Atlantic Air Combat™ generally refers to maximum loads associated with a "standard" combat range.  Historical data are used as a background but these are not necessarily respected.  Many weapons are "missing" in AAC while cheat or fantasy weapons may be added and/or weights limits played with some artistic freedom...  All this is very much done on purpose and the final result is to be found in the AAC aircraft notes, on the BB17G60_Castle page in this particular instance.  Then contributions are welcome, that 's the reason why 99% of the the preparatory work is open.

Based on the data collected, the following is adopted as a guideline :-

Weights in general

Atlantic Air Combat™ does not care excessively about weights as it only slightly affects aircraft behaviour (acceleration, inertia).  Weights are set in order for the game AI to calculate these which in effect makes different aircrafts behave differently.  For instance the notion is used to determine the take-off run, or acutally verify that the preset value is reasonably consistent.

Then, weights don't impact range nor speed.

This said , however numerous are the cheats, we at AAC™ nevertheless try our best to keep them within reason.

As far as the BB17G60 is concerned, it's thus based on the Boeing B-17G without necessarily respecting the background information.  Internal and/or external loads may be different, defensive weapons definitely are as well as the number of crew.

Based on the data collected and assembled in the main table below, this is the weight check list for the design.  And please remember, it's a fantasy...

B-17G       BB17G60 (Fantasy)    
Weight - empty   32 720 lb Weight - empty   32 000 lb
Crew 10   2 000 lb Crew   7   1 400 lb
 Pilot 200 lb/@ 200 lb -  Pilot 200 lb/@ 200 lb -
 Co-Pilot 200 lb/@ 200 lb -  Co-Pilot 200 lb/@ 200 lb -
 Bombardier 200 lb/@ 200 lb -  Bombardier 200 lb/@ 200 lb -
 Navigator 200 lb/@ 200 lb -  Navigator 200 lb/@ 200 lb -
 Engineer 200 lb/@ 200 lb -  Engineer 200 lb/@ 200 lb -
 Radio 200 lb/@ 200 lb -  Radio 200 lb/@ 200 lb -
 Gunner/V 200 lb/@ 200 lb -  // - - -
 Gunner/W 200 lb/@×2 400 lb -  // - - -
 Gunner/T 200 lb/@ 200 lb -  Gunner/T 200 lb/@ 200 lb -
Fuel - 2520.US 6 lb/US gal - 15 120 lb Fuel - 2520.US 6 lb/US gal - 15 120 lb
Guns - Ammunition - 1 872 lb Guns - Ammunition - 864 lb
 Gun Cheeks 500 rpg×2 288 lb -  //   - - -
 Gun Radio 500 rpg×1 144 lb -  //   - - -
 Gun Turret:N 500 rpg×2 288 lb -  Gun Turret:N 500 rpg×2 288 lb -
 Gun Turret:D 500 rpg×2 288 lb -  Gun Turret:D 500 rpg×2 288 lb -
 Gun Turret:V 500 rpg×2 288 lb -  //   - - -
 Gun Turret:W 500 rpg×2 288 lb -  //   - - -
 Gun Turret:T 500 rpg×2 288 lb -  Gun Turret:T 500 rpg×2 288 lb -
Load Bay - - 9 600 lb Load Bay     12 000 lb
Load Racks - - 8 000 lb Load Racks     9 500 lb
Load HVAR - - - Load HVAR     1 120 lb
Weight Total     69 312 lb Weight Total     72 004 lb
Weight MTOW     72 000 lb Weight MTOW     72 000 lb

BACKGROUND INFORMATION

If only the B-17G is of interest to define the details of AAC's BB17G60, the "G" was preceeded and followed by the following main variants, about which Joe Baugher's magnificient pages would tell you most of what is needed to know :

Y1B-17 B-17A B-17B B-17C B-17D B-17E B-17F B-17G B-17H PB-1 PB-1W

B-17G Weapons Bay

The original B-17 bomb bay was split vertically, with 42 bomb attachment stations distributed on the four sides and the actual number of bombs possibly carried dependng both on their weight and bulk.  Mixed loads were often used, mixing heavier bombs with lighter ones.  The table below is a part reproduction of a B-17 bomb loading chart with weight showing in bold when the weapon reference has sort of an equivalent in AAC™.  Many bomb variants are omitted as smoke, incendiary, armor and semi-armor piercing are usually not referred to in the game with only a few mentioned for weight vs number illustrative purposes.  Bomb references have been shortened  on purpose.

Real lb 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 [T] T/lb
M30 108                                     24 2592
M38 100                                     24 2400
M47 100                                     24 2400
M57 250                                                     16 4000
M31 300                                                     16 4800
M17 325                                                                     8 2600
M64ª 500                                                             12 6000
M58º 500                                                     16 8000
M62º 600                                                     16 9600
M32 600                                                                     8 4800
M29 650                                                                         6 3900
M13 1000                                                                         6 6000
M65 1000                                                                         6 6000
M33 1100                                                                             4 4400
Mk-1º 1600                                                                         6 9600
M66 2000                                                                             4 6000
Fuel³ ?....                                                                             4 ?....
    PORT EXTERNAL BOMB RACKS STARBOARD    
M13 1000

The bomb racks are noted for loads of 1,000 lb or above but there is no reason to believe a lighter load would not have been possible...

2 2000
M65 1000 2 2000
M66 2000 2 4000
M56 4000 2 8000
ª

AAC™ "standard"

º

not in AAC™

¹

-

²

-

³

capacity unknown

M00

general purpose

M00

incendiary

M00

sea mines

1000 lb bomb in a 1000lb/2000lb mixed load

M00

armor piercing

M00

smoke bomb

M00

depth charge

overload position

M00

semi-armor piercing

M00

demolition

M00

nuclear bomb

standard position

B-17G  vs  BB17G60 Weapons Bay

It thus appears that the maximum bomb loads were 9,600 lbs internally and 8,000 lbs externally - a combined maximum ovverall load of 17,600 lbs.  However, it seems a non-standard overload of 20,800 lbs (8×1,600 lb AN/Mk1 internally + 2×4,000 lb AN/M56) was possible, which in practice means a 12,800 lb internal load.  In consequence, the following bomb loads are imagined, each time compared to what is understood to have been real.  Mixed loadouts are excluded, and these are not necessarily all scheduled to be adopted.   Illustrations to FD scale, althoug the exact dimensions of the B-17 are unknown at the time of writing - could be revised if this approximation happens to be awfully wrong.

Conventional Bombs & Sea Mines

Only AAC™ weapons are shown.  There are weapons listed below that no B-17 ever saw and fictional loadouts are marked in dark red.

-

- -

-

Internal

42× Bomb

Stations

External

Bomb

Racks

-

- -

-

-

- -

-

Internal

84× Bomb

Stations

External

Bomb

Racks

-

- -

-

Bombs

- AN/M30

GP

Internal

24× 100 lb

2,400 lb

External

- -

-

Total

24× 100 lb

2,400 lb

Bombs

- Mk030

GP

Internal

48× 100 lb

4,800 lb

-

- -

-

Total

48× 100 lb

4,800 lb

Bombs

- AN/M57

GP

Internal

16× 250 lb

4,000 lb

External

- -

-

Total

16× 250 lb

4,000 lb

Bombs

- Mk057

GP

Internal

44× 250 lb

11,000 lb

External

250 lb

500 lb

Total

44× 250 lb

11,500 lb

Bombs

- AN/M64

GP

Internal

12× 500 lb

6,000 lb

External

- -

-

Total

12× 500 lb

6,000 lb

Bombs

- Mk064

GP

Internal

14× 500 lb

7,000 lb

External

500 lb

1,000 lb

Total

16× 500 lb

8,000 lb

No B-17 ever saw a Mk117 as it didn't yet exist at the time. Then, the type was common in the 1960s and it was sort of interresting to see if it was feasible.  Seemingly, it would have been.

Bombs

- Mk117

GP

Internal

12× 750 lb

9,000 lb

External

750 lb

1,500 lb

Total

14× 750 lb

10,500 lb

Bombs

- AN/M65

GP

Internal

1,000 lb

6,000 lb

External

1,000 lb

2,000 lb

Total

1,000 lb

8,000 lb

Bombs

- Mk065

GP

Internal

1,000 lb

6,000 lb

External

1,000 lb

2,000 lb

Total

1,000 lb

8,000 lb

Bombs

- AN/Mk1

AP

Internal

1,600 lb

9,600 lb

External

1,600 lb

3,200 lb

Total

1,600 lb

12,800 lb

Bombs

- Mk067

AP

Internal

1,600 lb

12,800 lb

External

1,600 lb

3,200 lb

Total

10× 1,600 lb

16,000 lb

Bombs

- AN/M66

GP

Internal

2,000 lb

4,000 lb

External

2,000 lb

4,000 lb

Total

2,000 lb

8,000 lb

Bombs

- Mk066

GP

Internal

2,000 lb

12,000 lb

External

2,000 lb

4,000 lb

Total

2,000 lb

16,000 lb

No B-17 ever saw a Mk118 as it didn't yet exist at the time.

Deliberately shown here as a total overload.

Bombs

- Mk118

GP

Internal

3,000 lb

18,000 lb

External

- -

-

Total

3,000 lb

18,000 lb

Sea Mines

- Mk13

-

Internal

1,050 lb

6,300 lb

External

1,050 lb

2,100 lb

Total

1,050 lb

8,400 lb

Sea Mines

- SM131

-

Internal

1,050 lb

8,400 lb

External

1,050 lb

2,100 lb

Total

10× 1,050 lb

10,500 lb

Sea Mines

- Mk39

-

Internal

2,000 lb

4,000 lb

External

2,000 lb

4,000 lb

Total

2,000 lb

8,000 lb

Sea Mines

- SM390

-

Internal

2,000 lb

12,000 lb

External

2,000 lb

4,000 lb

Total

2,000 lb

16,000 lb

Anti-Submarine Warfare (ASW)

Depth Charge

Mk17

-

Internal

325 lb

1,950 lb

External

- -

-

Total

325 lb

1,950 lb

Depth Charge

DC017

-

Internal

340 lb

2,720 lb

External

340 lb

680 lb

Total

10× 340 lb

3,400 lb

Depth Charge

Mk29

-

Internal

650 lb

3,900 lb

External

- -

-

Total

650 lb

3,900 lb

Depth Charge

DC049

-

Internal

650 lb

5,200 lb

External

650 lb

1,300 lb

Total

10× 650 lb

6,500 lb

Search-And-Rescue (SAR)
The B-17H/SB-17G carried a lifeboat under the fuselage.  In Atlantic Air Combat™, SAR is only executed thanks droppable liferafts.  Based on exisiting (but more modern...) items, there is either a 15-person Ø533mm 150 lb liferaft or a smaller 10-person Ø330mm 100 lb variant available.  Only the smaller may be carried externally, but aircrafts with a bomb/weapons bay only carry them internally.  In AAC™, the setup offering the highest capacity is usually retained but not always.  In these illustrations, it is imagined how many the SB-17G would have carried.

Liferafts

LR-10

120 persons

Internal

12× 100 lb

1,200 lb

External

- -

-

Total

12× 100 lb

1,200 lb

Liferafts

LR10

280 persons

Internal

28× 100 lb

2,800 lb

External

- -

-

Total

28× 100 lb

2,800 lb

Liferafts

LR-15

90 persons

Internal

150 lb

900 lb

-

- -

-

Total

150 lb

900 lb

Liferafts

LR15

180 persons

Internal

12× 150 lb

1,800 lb

External

- -

-

Total

12× 150 lb

1,800 lb

Addtional Bomb Bay Fuel Tank
Depending on source, the B-17G could either carry an addtional 1,092 or 1450 US gallons.  It is assumed it was made of two large fuel tanks - here are 2×725 US gallons illustrated.  Weights are guesstimated, based on 6 lb/US gal of AvGas and the weight of the empty tank based on similarly sized drop tanks - probably not a very accurate approach.  In the absence of more precise background information no more will be said on this subject, but that this additional fuel capacity is not scheduled for Atlantic Air Combat™.

Fuel Tanks

 

2×725 US gallons

Empty tank

@ 725 US

?...700 lb

Fuel

@ 725 US

±4,350 lb

Total

5,050 lb

10,100 lb

Fuel Tanks

 

2×546 US gallons

Empty tank

@ 546 US

?...449 lb

Fuel

@ 546 US

±3,276 lb

Total

3,725 lb

7,450 lb

EXTERNAL LOADS

Bombs - The 4,000 lb AN/M-56
The B-17G, and late production B-17F for that matter, had external bomb racks indended for bombs of 1,000 lb or heavier, up to the M56 demolition bomb.  "Could have" might be a more appropriate description as it is understood these were very seldom carried.

It should be noted here that AN/M-56, while usually referred to as a 4,000 lb bomb, is also referred by other sources to have had an actual weight of 4,750 lb.  The latter value has been retained for AAC™ purposes.  It may be that both values show on AAC™ pages, but unless a change of minds between authors, 4,750 lb should be attached to the "Mk056".

Ligher Bombs and Other Loads
Historical documents do not seem to refer to external loads inferior to a pair of 1,000 lbs.  In AAC™, lighter bombs might be carried externally as well as mines or depth charges.

Torpedoes
The B-17 never carried torpedoes.  Then, in Atlantic Air Combat, anti-shipping torpedoes are scheduled for two purposes :
attack large shipping convoys, a rehearsal of WWII events
special purpose, the details of which are hidden from the public at this time

With the BB17G60 able to fly slow enough to consider the dropping of these, the temptation is irresistible to try and manoeuvre such a large aircraft to deliver these items, either in the open seas or ... in other circumstances.

HVAR Rockets
If the B-17 never carried rockets, several "heavy" aircrafts did, especially maritime patrol/bomber aircrafts.  So this is another fantasy weapon to be associated with the Castle  in the context of it being used in anti-shipping warfare.

The Castle in Atlantic Air Combat™

An AAC™ design will stand for the aircrafts operated by Brazil and Portugal, not only in bomber format but also as an AEW platform, with the later also made available to Chile.  Compared to the design it is inspired from, AAC™'s BB17G60 design will differ in the following manner :

 Guns Waist and cheek guns are deleted
the nose turret is locked in forward firing position and the guns assimilated as internal forward firing guns.
the ball belly gun turret is replaced by a retractable radar (SCR-517)
 Radar a retractable "drum" radar replaces the belly "ball" turret
 Weapons load - Internal each of the port and starboard bomb bays will have two rows of shackles instead of one (small bombs only)
a wider spectrum of weapons than what was carried in real life will be available in Atlantic Air Combat™
   - bomb types never carried (750 lb, 3000 lb) along historical references (100 lb, 250 lb, 500 lb, 1000 lb, 2000 lb)
   - depth charges
 Weapons load - External 2× underwing pylons for one bomb each (up to 5,000 lb/@)
   - bombs (500 lb, 750 lb, 1000 lb, 2000 lb, 3000 lb, 4750 lb) or sea mines
   - depth charges
   - ASS torpedoes (anti-shipping)
8× underwing HVAR rails
SPECIFICATIONS SUMMARY
Boeing B-17 Fortress M.299 Y1B-17 B-17A B-17B B-17C B-17D B-17E B-17F B-17G PB-1 PB-1W
      Fortress Fortress Fortress Fortress Fortress Fortress Fortress Fortress Fortress Fortress Fortress
11         4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4
Category - - Bomber Bomber Bomber Bomber Bomber Bomber Bomber Bomber Bomber MarPat AEW
Genre - - Vintage Vintage Vintage Vintage Vintage Vintage Vintage Vintage Vintage Vintage Vintage
Sub-Genre - - WWII WWII WWII WWII WWII WWII WWII WWII WWII WWII WWII
Carrier.Comp YES/NO - no no no no no no no no no no no
Carrier:No.cat YES/NO - no no no no no no no no no no no
Propulsion: Main - Piston Piston Piston Piston Piston Piston Piston Piston Piston Piston Piston
Propulsion: Aux. - - - - - - - - - - - -
Pressurized YES/NO - no no no no no no no no no no no
DIMENSIONS M.299 Y1B-17 B-17A B-17B B-17C B-16D B-17E B-17F B-17G PB-1 PB-1W
Length - - 68'09" 68'04" 68'09" 67'10" 67'11" 67'11" 73'10" 74'09" 74'09" 22.78 m  m
Span - - 103'09" 103'09" 103'09" 103'09" 103'09" 103'09" 103'09" 103'09" 103'09" 31.63 m  m
Height - - 15'00" 18'04" 15'00" 15'05" 15'05" 15'05" 19'02" 19'01" 19'01"  m  m
Wing area W×H - 1420.ft² 1420.ft² 1420.ft² 1420.ft² 1420.ft² 1420.ft² 1420.ft² 1420.ft² 1420.ft² .ft² .ft²
ENGINES M.299 Y1B-17 B-17A B-17B B-17C B-16D B-17E B-17F B-17G PB-1 PB-1W
Engine-1:ID Piston × 4 R-1690E R-1820-39 R-1820-51 R-1820-51 R-1820-65 R-1820-65 R-1820-65 R-1820-97 R-1820-97 R-1820-97 R-1820-97
Engine-1:Pwr1 Military - 750.hp 930.hp 1000.hp 1000.hp 1200.hp 1200.hp 1200.hp 1200.hp 1200.hp 1200.hp 1200.hp
Engine-1:Pwr2 extra - - - - - - - - 1380.hp 1380.hp 1380.hp 1380.hp
Engine-1:Prop Diam - 10'01" 10'01" 10'01" 10'01" 10'01" 10'01" 10'01" 10'01" 10'01" 10'01" 10'01"
AVIONICS M.299 Y1B-17 B-17A B-17B B-17C B-16D B-17E B-17F B-17G PB-1 PB-1W
Avionics: Radar ID - - - - - - - - SCR-517 SCR-521 AN/APS20
Avionics: Warn ID - - - - - - - - APG- 3 APG- 3 -
Avionics: Sonobuoy ID - - - - - - - - - APG16 -
FEATURES M.299 Y1B-17 B-17A B-17B B-17C B-16D B-17E B-17F B-17G PB-1 PB-1W
Engine-1: Reverse - no no no no no no no no no no no
Air.Brakes - - no no no no no no no no no no no
Flaps - - Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Landing.Gear - - Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Landing.Gear Retract - Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Arresting.Hook - - no no no no no no no no no no no
Brake.Chute - - no no no no no no no no no no no
Wingfold Powered - no no no no no no no no no no no
Canopy Opening - no no no no no no no no no no no
Nav.Lights - - Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Extinguisers - - Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Bomb/Cargo Doors - Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Search.Light - - no no no no no no no no no no no
CREW M.299 Y1B-17 B-17A B-17B B-17C B-16D B-17E B-17F B-17G PB-1 PB-1W
Crew - Q - - - - 9 10 10 - - - 10
Egress Pilot Q - Bail - Bail - Bail - Bail - Bail 1 Bail 1 Bail - Bail - Bail - Bail - Bail
Egress Co-Pilot Q - Bail - Bail - Bail - Bail - Bail 1 Bail 1 Bail - Bail - Bail - Bail - Bail
Egress Bombardier Q - Bail - Bail - Bail - Bail - Bail 1 Bail 1 Bail - Bail - Bail - Bail - Bail
Egress Navigator Q - Bail - Bail - Bail - Bail - Bail 1 Bail 1 Bail - Bail - Bail - Bail - Bail
Egress Engineer Q - Bail - Bail - Bail - Bail - Bail 1 Bail 1 Bail - Bail - Bail - Bail - Bail
Egress Radio Q - Bail - Bail - Bail - Bail - Bail 1 Bail 1 Bail - Bail - Bail - Bail - Bail
Egress Gunner/V Q - Bail - Bail - Bail - Bail - Bail 1 Bail 1 Bail - Bail - Bail - Bail - Bail
Egress Gunner/W Q - Bail - Bail - Bail - Bail - Bail 2 Bail 2 Bail - Bail - Bail - Bail - Bail
Egress Gunner/T Q - Bail - Bail - Bail - Bail - Bail 1 Bail 1 Bail - Bail - Bail - Bail - Bail
INTERNAL WEAPONS M.299 Y1B-17 B-17A B-17B B-17C B-16D B-17E B-17F B-17G PB-1 PB-1W
Recce.Pack Inbuilt × Q - - - - - - - - - - - - - - - - - - - - - -
Guns:Fwd-1 - × Q - - - - - - - - - - - - - - - - - - - - - -
Guns:Fwd-2 - × Q - - - - - - - - - - - - - - - - - - - - - -
Gun.Turret:N Nose × Q 1 .30cal 1 .30cal 1 .30cal 1 .30cal 1 .30cal 1 .30cal 1 .30cal 1 .30cal 2 .50cal - - - -
Gun.Position Cheeks × Q - - - - - - - - - - - - - - 2 .50cal 2 .50cal - - - -
Gun.Turret:D Dorsal × Q 1 .30cal 1 .30cal 1 .30cal 1 .30cal 1 .50cal 2 .50cal 2 .50cal 2 .50cal 2 .50cal - - - -
Gun.Position Radio.Op × Q - - - - - - - - - - - - - - 1 .50cal 1 .50cal - - - -
Gun.Turret:V Ventral × Q 1 .30cal 1 .30cal 1 .30cal 1 .30cal 1 .50cal 2 .50cal 2 .50cal 2 .50cal 2 .50cal - - - -
Gun.Turret:W Waist × Q 2 .30cal 2 .30cal 2 .30cal 2 .30cal 2 .50cal 2 .50cal 2 .50cal 2 .50cal 2 .50cal - - - -
Gun.Turret:T Tail × Q - - - - - - - - - - - - 2 .50cal 2 .50cal 2 .50cal - - - -
FUEL:INTERNAL M.299 Y1B-17 B-17A B-17B B-17C B-16D B-17E B-17F B-17G PB-1 PB-1W
Fuel:Internal Standard US - - - - - - 2490.US 2520.US 2520.US 2520.US 2520.US
Fuel:Internal Standard gal - - - - - - 2073 gal 2098 gal 2098 gal 2098 gal 2098 gal
Fuel:Internal Extra US - - - - - - 1122.US 1092.US 1450.US 1450.US -
Fuel:Internal Extra gal - - - - - - 9340 gal 9090 gal 1207 gal 1207 gal -
WEIGHTS & LOADS M.299 Y1B-17 B-17A B-17B B-17C B-16D B-17E B-17F B-17G PB-1 PB-1W
Weight:Empty - - 21657 lb 24465 lb 26520 lb 27652 lb 29021 lb 30963 lb 32350 lb 34000 lb 32720 lb 32720 lb 32720 lb
Crew: 200 lb/@ - - - - - - - - - - - - - - - - - 10 2000 lb - - - -
Fuel:Int.AvGas US×6.00 - - - - - - - - - - - - - - - - - 15120 lb - - - -
Gun.Cheeks rpg - - - - - - - - - - - - - - - - - 500 288 lb - - - -
Gun.Radio Op. rpg - - - - - - - - - - - - - - - - - 500 144 lb - - - -
Gun.Turret: N rpg - - - - - - - - - - - - - - - - - 500 288 lb - - - -
Gun.Turret: D rpg - - - - - - - - - - - - - - - - - 500 288 lb - - - -
Gun.Turret: V rpg - - - - - - - - - - - - - - - - - 500 288 lb - - - -
Gun.Turret: W rpg - - - - - - - - - - - - - - - - - 500 288 lb - - - -
Gun.Turret: T rpg - - - - - - - - - - - - - - - - - 500 288 lb - - - -
Sub-Total-1 Basic - - - - - - - - - 51712 lb - -
INTERNAL LOAD OPTIONS - V1 M.299 Y1B-17 B-17A B-17B B-17C B-16D B-17E B-17F B-17G PB-1 PB-1W
Bombs: AN/M-30 100 lb GP - - - - - - - - - - - - 26 2600 lb - - 24 2400 lb - - - -
Bombs: AN/M-57 250 lb GP - - - - - - - - - - - - - - - - 16 4000 lb - - - -
Bombs: AN/M-31 300 lb Dem - - - - - - - - - - - - 16 4800 lb - - 16 4800 lb - - - -
Bombs: AN/M-32 600 lb Dem - - - - 8 4800 lb 8 4800 lb 8 4800 lb 8 4800 lb - - - - 8 4800 lb - - - -
Bombs: AN/M-64 500 lb GP - - - - - - - - - - - - 12 6000 lb - - 12 6000 lb - - - -
Bombs: AN/M-58 500 lb SAP - - - - - - - - - - - - - - - - 16 8000 lb - - - -
Bombs: AN/M-62 600 lb AP - - - - - - - - - - - - - - - - 16 9600 lb - - - -
Bombs: AN/M-65 1000 lb GP - - - - - - - - - - - - 6 6000 lb - - 6 6000 lb - - - -
Bombs: AN/Mk 1 1600 lb AP - - - - - - - - - - - - - - - - 6 9600 lb - - - -
Bombs: AN/M-66 2000 lb GP - - - - - - - - - - - - 4 8000 lb - - 4 8000 lb - - - -
Mines : Mk13 1050 lb   - - - - - - - - - - - - - - - - 6 6300 lb - - - -
Mines : Mk39 2000 lb   - - - - - - - - - - - - - - - - 2 4000 lb - - - -
Depth : Mk17 340 lb   - - - - - - - - - - - - - - - - 8 2720 lb - - - -
Depth : Mk49 650 lb   - - - - - - - - - - - - - - - - 6 3900 lb - - - -
Sub-Total-2 Internal - 4800 lb 8000 lb 4800 lb 4800 lb 4800 lb 4800 lb 8000 lb 9600 lb 9600 lb - -
EXTERNAL LOAD CAPACITIES M.299 Y1B-17 B-17A B-17B B-17C B-16D B-17E B-17F B-17G PB-1 PB-1W
HVAR: 5" R1 R3 R5 R7 Port - - - - - - - - - - - - - - - // - // - - - -
Pylons:W1:Wings Inner Port - - - - - - - - - - - - - - - 4000 - 4000 - - - -
Pylons:W2:Wings Inner Stb - - - - - - - - - - - - - - - 4000 - 4000 - - - -
HVAR: 5" R2 R4 R6 R8 Stb - - - - - - - - - - - - - - - // - // - - - -
Sub-Total-3 External   - - - - - - - 8000 lb 8000 lb - -
EXTERNAL LOAD CAPACITIES M.299 Y1B-17 B-17A B-17B B-17C B-16D B-17E B-17F B-17G PB-1 PB-1W
Bombs: AN/M-65 1000 lb GP - - - - - - - - - - - - - - 2 2000 lb 2 2000 lb - - - -
Bombs: AN/Mk 1 1600 lb AP - - - - - - - - - - - - - - 2 3200 lb 2 3200 lb - - - -
Bombs: AN/M-66 2000 lb GP - - - - - - - - - - - - - - 2 4000 lb 2 4000 lb - - - -
Bombs: AN/M-56 4750 lb Dem - - - - - - - - - - - - - - 2 8000.lb 2 8000.lb - - - -
Mines : Mk13 1050 lb - - - - - - - - - - - - - - - 2 2100 lb 2 2100 lb - - - -
WEIGHTS & LOADS SUMS M.299 Y1B-17 B-17A B-17B B-17C B-16D B-17E B-17F B-17G PB-1 PB-1W
Sub-Total-1 Basic - - - - - - - - - 51712 lb - 50704 lb
Sub-Total-2 Internal   4800 lb 8000 lb 4800 lb 4800 lb 4800 lb 4800 lb 8000 lb 9600 lb 9600 lb - -
Sub-Total-3 External   - - - - - - - 8000 lb 8000 lb - -
Weight:Total - - - - - - - - - - 69312 lb - 50704 lb
Weight:MTOW - - 38,053 lb 42600 lb 45650 lb 46178 lb 49650 lb  lb 53000 lb 56500 lb 72000 lb 72000 lb 72000 lb
PERFORMANCES M.299 Y1B-17 B-17A B-17B B-17C B-16D B-17E B-17F B-17G PB-1 PB-1W
Speed: Rotation Flaps down knot - - - - - - - - - - -
Speed: Takeoff Flaps down knot - - - - - - - - - - -
Speed: Max   knot 205.kn 222.kn 256.kn 254.kn 280.kn 276.kn 276.kn 282.kn 260.kn - -
Speed: Cruise   knot 177.kn 188.kn 200.kn - 217.kn - 182.kn 174.kn 170.kn - -
Speed: Approach   knot - - - - - - - - - - -
Speed: Stall   knot - - - - - - - - - - -
Speed: Land Flaps down knot - 61.kn - - 73.kn - 61.kn 78.kn 78.kn - -
Speed: Stall Flaps down knot - - - - - - - - - - -
Climb.rate ft/min   - - - - - - 1430.ft/min - - - -
Ceiling - ft 24620.ft 30000.ft 38000.ft - 37000.ft 37000.ft 36600.ft 37500.ft 35000.ft - -
TakeOff Run - ft - - - - - - - - - - -
Landing Run Brakes ft - - - - - - - - - - -
Landing Run Reverse ft - - - - - - - - - - -
Range:Ferry Fuel Extra nmi - - - - - - - 3840.nmi - - -
Range:    ,   0lb Payload nmi 2694.nmi 3320.nmi 3128.nmi 2694.nmi 2954.nmi - 2867.nmi 2502.nmi - - -
Range:  2,573lb Payload nmi 1772.nmi - - - - - - - - - -
Range:  4,000lb Payload nmi - 2085.nmi 2085.nmi - 2085.nmi - 1738.nmi - - - -
Range:  6,000lb Payload nmi - - - - - - - 1129.nmi - - -
Range:10,000lb Payload nmi - 1196.nmi - - - - - - 1580.nmi - -
      M.299 Y1B-17 B-17A B-17B B-17C B-16D B-17E B-17F B-17G PB-1 PB-1W
      Fortress Fortress Fortress Fortress Fortress Fortress Fortress Fortress Fortress Fortress Fortress
 
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