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Scale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale is 1/200 except as otherwise noted Drawings by David Fowler ©2009 by David Fowler Unauthorized reproduction in whole or in part is prohibited. 20161101

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Page 1: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

Scale 1/600

Detailed Technical Drawingsof the

hindenburgD-LZ129

A set of Technical Drawings of the Passenger Airship Hindenburg

Scale is 1/200 except as otherwise noted

Drawings by David Fowler©2009 by David Fowler

Unauthorized reproduction in whole or in part is prohibited.

20161101

Page 2: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

I II III IV V

0 2 3.5 20 33.5 47 62 77

VI

Original Lower Fin Outline

Modified Lower Fin Outline(after damage 26 March 1936)

Gas Cell No.

Frame No.

0 5 10 15Meters

Feet 0 10 20 30 40 50The hindenburg© 2009 by David Fowler

Page 3: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

VI VII VIII IX X XI

92 107 123.5 140 156.5

Gas Cell No.

Frame No.

0 5 10 15Meters

Feet 0 10 20 30 40 50 The hindenburg© 2009 by David Fowler

Page 4: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

XII XIII XIV XV XVI

173 188 203 218 233 244.5 247

XI Gas Cell No.

Frame No.

0 5 10 15Meters

Feet 0 10 20 30 40 50 The hindenburg© 2009 by David Fowler

Page 5: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

Front Elevation

The hindenburg© 2009 by David Fowler0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 6: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

Rear Elevation

The hindenburg© 2009 by David Fowler0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 7: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

Passenger Area

The hindenburg© 2009 by David Fowler

“A” Deck

Reading Room

Passenger Lounge

Passenger CabinsDining Area

Stairways to “B” Deck

PromenadePromenade

Ring 173

Ring 188

Serving Pantry

“B” Deck

Smoking Room

Bar

Airlock

Passengers’ LavatoriesShower

Kitchen

Crew’s Mess

Officers’ Mess

Purser’s Cabin

Lavatory

Embarking/Disembarking Gangway

Stairway to “A” Deck

Keel Corridor

Dumbwaiter toServing Pantry

Observation Windows

Observation Windows

0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 8: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

XI XII

156.5 173 188

f1 a1

l

f1 a2 a1

d

“B” Deck Passenger Cabins (added 1937)

The hindenburg© 2009 by David Fowler

Frame No.

Gas Cell No.

Crew’s QuartersCrew’s Quarters

Hull Fabric Covering

156.5

Keel Corridor

New “B” DeckCabin Windows

New “B” Deck Cabins

173

“A” DeckPassenger Area

Extension forPassenger Area Promenade

“A” DeckObservation Windows

“B” Deck Windows

New “B” DeckCabin Windows

New “B” Deck Cabins

“A” DeckObservation Windows

“B” DeckNew “B” Deck Cabins

Keel Corridor

Steward‘s Cabin

(looking aft)

(looking aft)

0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 9: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

Control Gondola Engine Car (forward)

4 Engine CarsForward Engine Cars mounted 4° outward from ship’s axisAft Engine Cars mounted at 3° outward from ship’s axis

Engine specifications:Daimler Benz LOF 6 diesel

V16, 4 valve per cylinder770 kW (1050 hp) maximum at 1500 rpm690 kW (940 hp) cruising at 1350 rpm225 g/kWh (0.37 lbs./hp/h) fuel consumption (cruising)

Propeller diameter: 6.0 meters (19.7 feet)Propeller rpm (cruising): 625 rpmMaximum air speed: 137 kph (85 mph)Cruising air speed: 120 kph (75 mph)

Ladder to Hull

Navigator’s Station

Elevator Wheel

Rudder Wheel

Gas Cell Board

Ballast Board

Landing Rail

Pneumatic Landing Wheel

Ring 203

The hindenburg© 2009 by David Fowler

Engine Telegraph

0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 10: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

Control Gondola(detail)

The hindenburg© 2009 by David Fowler

A’

A

B’

B A-A’

B-B’

Pneumatic Landing Wheel

Gyroscopic Compass

Airship Hull

Magnetic Compass

Radio DirectionFinders

MagneticCompass

Inclinometer

Barometric Altimeter

Rudder Wheel

Observation Room

Navigation Room

Control Room

Ballast Control Board

Engine Telegraph

Elevator Wheel

Gas Valve Control Board

Pneumatic Landing Wheel

BallastControlBoard

Engine Telegraph

GasValve

ControlBoard

BallastControl Board

Rudder Wheel

Elevator Wheel

Gyroscopic Compass

Ground Handling Rail

Ground Handling Rail

Telephone Switchboard

Drift MeasurementDevice

Scale 1/50

Meters

Feet

0 1 2 3

0 5 10 15

4 5

Page 11: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

Engine Car(detail)

4 Engine CarsForward Engine Cars mounted 4° outward from ship’s axisAft Engine Cars mounted at 3° outward from ship’s axis

Engine specifications:Daimler Benz LOF 6 diesel

V16, 4 valve per cylinder770 kW (1050 hp) maximum at 1500 rpm690 kW (940 hp) cruising at 1350 rpm225 g/kWh (0.37 lbs./hp/h) fuel consumption (cruising)

Two 2-blade propellers fixed together to create one 4-blade propellerPropeller diameter: 6.0 meters (19.7 feet)Propeller maximum tip velocity 848 kph (527 mph)Propeller rpm (cruising): 675 rpmMaximum air speed: 137 kph (85 mph)Cruising air speed: 120 kph (75 mph)

A

A’

B

B’

A–A’ B–B’

The hindenburg© 2009 by David Fowler

Telegraph from theControl Gondola

Water Radiators

Oil RadiatorsEngine

Exhaust

Engine CarSupports

RadiatorAir-Flow Control

“Clam-Shell” Doors(shown open)

Telegraph from theControl Gondola

Engine

Engine CarSupports

EngineExhaust

Engine CarSupports

Propeller

HullAccessDoor

Hull Access Door

Scale 1/50

Meters

Feet

0 1 2 3

0 5 10 15

4 5

Page 12: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

203.5

Main Rings

Bracing Cable (40,000 pound)

Tail Fin Cruciform Structure

The hindenburg© 2009 by David Fowler

Hull Fabric Covering

0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 13: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

47

33.5

Main Rings

Gas Vent

Pressure Relief Valve (Cell 3)

Pressure Relief Valve (Cell 2)

Maneuvering Valve (Cell 3)

Maneuvering Valve (Cell 2)

AxialCorridor

Tail Fin Cruciform Structure

Bulkhead Bracing Wires Axial Corridor

Keel Corridor

The hindenburg© 2009 by David Fowler

Hull Fabric Covering

0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 14: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

7762

Main Rings

Gas Vent

Keel Corridor

Ladder Shaftto Axial Corridor

Bulkhead Bracing Wires

Axial Corridor

Pressure Relief Valve

Maneuvering Valve

The hindenburg© 2009 by David Fowler

Hull Fabric Covering

0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 15: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

107

Main Rings

92

Gas Vent

Keel Corridor

Ventilation Shaft

Bulkhead Bracing Wires

Axial Corridor

Pressure Relief Valve

Maneuvering Valve

“Stub” Keel forEngine Car Access

Access Waysto Engine Cars

Engine Car 1

Engine Car 2

The hindenburg© 2009 by David Fowler

Hull Fabric Covering

0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 16: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

123.5

Main Rings Gas Vent

Pressure Relief Valve

Maneuvering Valve

Keel Corridor

Bulkhead Bracing Wires

Axial Corridor

Ladder Shaftto Axial Corridor

The hindenburg© 2009 by David Fowler

Hull Fabric Covering

0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 17: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

140

Main Rings

“Stub” Keel forEngine Car Access

Engine Car 3 Engine Car 4

Access Waysto Engine Cars

Bulkhead Bracing Wires

Axial Corridor

Keel Corridor

Bridge

The hindenburg© 2009 by David Fowler

Hull Fabric Covering

0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 18: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

Hull Fabric Covering

Main Rings

156.5

Gas Vent

Ventilation Shaft

Pressure Relief Valve

Maneuvering Valve

Keel Corridor

Bulkhead Bracing Wires

Axial Corridor

“Stub” Keel forEngine Car Access

The hindenburg© 2009 by David Fowler0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 19: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

Main Rings

188173

Passenger Area

Extension for Passenger Area Promenade

“A” Deck Observation Windows

“B” Deck Windows

Gas Vent

Pressure Relief Valve

Maneuvering Valve

Bulkhead Bracing Wires

Axial Corridor

Ladder Shaftto Axial Corridor

Keel Corridor

The hindenburg© 2009 by David Fowler

Embarking/DisembarkingGangway

Hull Fabric Covering

Passenger AreaDrinking Water

0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 20: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

Main Rings

203 218

The hindenburg© 2009 by David Fowler

Ventilation Shaft

Pressure Relief Valve

Maneuvering Valve

Keel Corridor

Bulkhead Bracing Wires Gas Vent

Axial Corridor

Control Gondola

Pneumatic Landing Wheel

Hull Fabric Covering

0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 21: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

233 244.5

Main Rings

The hindenburg© 2009 by David Fowler

Keel Corridor

Bulkhead Bracing Wires

Axial Corridor

Hull Fabric Covering Mooring Platform

ObservationPlatform

Ladder

0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 22: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

The hindenburg© 2009 by David Fowler

Intermediate Rings178

198

237

Gas Cell (made from “Goldbeater’s Skin”)

Axial Corridor

Tube through Gas Cell for Axial Corridor

Keel Corridor

Passenger “A” Deck

Passenger “B” Deck

Axial Corridor

Keel Corridor

Keel Corridor

Intermediate Rings237 and 241 are18 sided. Longitudinalgirders create 36apices.

Ring 198 is a typicalIntermediate Ring

Fabric Hull Cover

Hull Fabric Covering

0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 23: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

Bow Mooring Area(detail)

The hindenburg© 2009 by David Fowler

241

244.5

241 244.5 241 244.5

AnchorCone

AnchorCone

ObservationPlatform

ObservationPlatform

Guy RopePlatform

Axial Corridor

MooringPlatform

MooringPlatform

Hull Fabric Covering

Guy Rope PlatformGuy Rope Platform

Keel Corridor

Axial Corridor

ObservationPlatform

ObservationHatch

Guy RopesGuy Ropes

LadderLadder

LadderLadder

Ladder

Ladder

MooringPlatform Guy Ropes

Guy RopeHatches

Observation Bench Observation Bench

AxialCorridor

Observation Bench

scale 1/100

0 5 10Meters

Feet 0 5 10 15 20 25 30

Page 24: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

Tail Structure

Ring 20 Ring 33.5 Ring 47

The hindenburg© 2009 by David Fowler

Main Ribs

Ring 20 Ring 33.5 Ring 47

0

1

2

0a

3

0b

1b

1a

2a

2b

0

1

2

0a

3

0b

1b

1a

2a

2b

Rudder/Elevator Hinge

Main Ring construction of the Tail Fins is braced through thehull to the opposing Fin by the Tail Fin Cruciform Structure

Main Ribs constructed using triangular girders;Intermediate ribs constructed using flat girders

0 5 10 15Meters

Feet 0 10 20 30 40 50

Page 25: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

I II III IV V

0 2 3.5 20 33.5 47 62 77

VI

x

v

Cell I-IIConnector Valve

u

t

u

t

t

u

Diagonal Shear Wire

PneumaticLanding Wheel

v

Gas Cell No.

Frame No.

AuxiliaryControl Station

Axial Corridor

"Riding Out Car"Anchor Cone(retractable)

0 5 10 15Meters

Feet 0 10 20 30 40 50The hindenburg© 2009 by David Fowler

Page 26: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

VI VII VIII IX X XI

92 107 123.5 140 156.5

u

t

u

t

u

t

x

v

w

v

w

v

Gas Vent Main RingIntermediate Ring

Axial Corridor

“Stub” Keel for Engine Car Access

“Stub” Keel for Engine Car Access

Gas Cell Wire Netting*

Gas Cell Cord Netting*

Diagonal Shear Wires

Gas Cell No.

Frame No.

Longitudinal Wires*

Circumferential Wires*

* wiring and netting extend throughout airship frame, but are omitted in other cells for clarity

0 5 10 15Meters

Feet 0 10 20 30 40 50 The hindenburg© 2009 by David Fowler

Page 27: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

XII XIII XIV XV XVI

173 188 203 218 233 244.5 247

XI

Cell XV-XVIConnector Valve

NoseAnchor Cone

u

t

u

t

x

v

w

v

Pneumatic Landing Wheel

Passenger Area

Embarking/DisembarkingGangway

Kitchen

Officer’s MessCrew’s Mess

Gas Cell No.

Frame No.

LandingRope

DirectionalAntennae

Commander’s Cabin

Axial Corridor

0 5 10 15Meters

Feet 0 10 20 30 40 50 The hindenburg© 2009 by David Fowler

Page 28: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

I II III IV V

0 2 3.5 20 33.5 47 62 77

VI

a4

a4

a1

f2

a2

a1

a1

e

f1

f1

a1

a1x

g

g

s

s

Crew’s Quarters

Gas Cell No.

Frame No.

Axial Corridor*

* the axial corridor extends the length of the airship, but isomitted for clarity where it would obscure other details

0 5 10 15Meters

Feet 0 10 20 30 40 50The hindenburg© 2009 by David Fowler

Page 29: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

VI VII VIII IX X XI

92 107 123.5 140 156.5

a5

a5

b1

b1a3 b2

h

b1a3 b2

h

a1

a1

d

a1

a2

f1

a1

a1

a1

a1

a1

f2

f1

a1

a1

a1

a1

f1

b1

b1 a3 b2h

b1 a3 b2h

a2 c

a1

f1

f1

a1

a2

o

n

nk k

x

q

Forward Engine Car(angled 4° outward)

Rear Engine Car(angled 3° outward)

500 kg Cargo Space

500 kg Cargo Space

500 kg Cargo Spaces

500 kg Cargo Spaces

600 kgCargo Spaces

Large CargoSpace 2,500 kg

Electrical Room(Two 50hp Diesel Generators)

r

r

r

r

“Stub” Keel for Engine Car Access

“Stub” Keel for Engine Car Access

Crew’s Quarters

Crew’s Quarters

“Stub” Keel for Engine Car Access

“Stub” Keel for Engine Car Access

Gas Cell No.

Frame No.

Search Light

0 5 10 15Meters

Feet 0 10 20 30 40 50 The hindenburg© 2009 by David Fowler

Page 30: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

XII XIII XIV XV XVI

173 188 203 218 233 244.5 247

XI

Air Vents

d

a1

m

x

a1

a1

a2

e

f1 a1

f1

a1

a1

a4

a4

a1

g

g

l

la1

l

c1

Passenger Area

Control Gondola

Radio Room

Post Office500 kgCargo

500 kgCargo

Officer’s Quarters

Commander’s Cabin

s

s

Crew’s Quarters

Access Door toControl Gondola

NoseAnchor Cone

Crew’s Quarters

Gas Cell No.

Frame No.

Landing Ropes

Landing Rope Hatches

ForwardObservation Windows

(mid-1936 configuration)

Mooring Platform

Axial Corridor

Rope Platform

0 5 10 15Meters

Feet 0 10 20 30 40 50 The hindenburg© 2009 by David Fowler

Page 31: Detailed Technical Drawings of the · PDF fileScale 1/600 Detailed Technical Drawings of the hindenburg D-LZ129 A set of Technical Drawings of the Passenger Airship Hindenburg Scale

Ring No. Diameter Diameter(meters) (meters) (feet)

2 0 02.5 2.2 7.063.5 3.8 12.389 9.1 29.75

14.5 12.7 41.7820 15.9 52.1724.5 18.3 59.9229 20.5 67.3133.5 22.6 74.2438 24.6 80.6142.5 26.3 86.4347 28.0 91.7852 29.6 97.2557 31.2 102.2562 32.6 106.9667 33.8 110.7672 34.8 114.1277 35.8 117.4582 36.6 120.0887 37.3 122.3892 38.0 124.6097 38.6 126.64

102 39.2 128.53107 39.7 130.25112.5 40.1 131.56118 40.4 132.55123.5 40.7 133.53129 41.0 134.51134.5 41.2 135.17140 41.2 135.17145.5 41.2 135.17151 41.2 135.17156.5 41.2 135.17162 41.1 134.84167.5 40.8 133.91173 40.4 132.55178 39.9 131.02183 39.4 129.40188 38.9 127.78193 38.3 125.69198 37.5 122.99203 36.4 119.56208 35.1 115.28213 33.5 110.07218 31.6 103.67223 29.3 96.13228 26.4 86.61233 22.4 73.49237 18.5 60.70241 13.0 42.65244.5 5.9 19.63246.5 0.8 2.60247 0 0

Explanation of Letters on LongitudinalCross Section and Plan Views

a1 Fuel Oil Barrels [2,500 liters] (28)a2 Fuel Oil Valve Barrels [2,500 Liters] (4)a3 Fuel Oil Operation Barrels [800 liters] (4)a4 Fuel Oil Barrels [1,250 liters] (4)a5 Fuel Oil Barrels [850 liters] (2)b1 Lubrication Oil Barrels [500 liters] (6)b2 Lubrication Oil Barrels [380 liters] (4)c Drinking Water Barrel [2,500 liters]c1 Passenger Drinking Water Barrels (200 Liters) (2)

(elevated to maintain faucet pressure)d Fresh Water Barrels [2,500 liters] (2)e Waste Water Barrels [2,500 liters] (2)f1 Barrels for Recovered Ballast Water [2,500 liters] (9)f2 Barrels for Recovered Ballast Water [2,000 liters] (2)g Double Ballast Bags [500 liters] (4)h Cooling Water Barrels [400 liters] (4)i Baggage Room [500 kg] (2)k Spare Parts Storage Room [500 kg] (2)l Food/Storage Room [500 kg]m Food/Storage Room [250 kg]n Engineer’s Roomo Exhaustp Washroom and Toiletq Workshopr Access Way to Engine Cars (4)s Access Ways to Ballast Bags (4)t Maneuvering Valve (14)u Pressure Relief Valve (14)v Gas Shaft (7)w Ventilation Shaft (3)x Ladder Shafts (3)y Anchor Cones (2)

The hindenburg© 2009 by David Fowler