Sunken Hemi: The Chrysler Concept Car At The Bottom of the Atlantic Ocean
The Dork-O-Motive Podcast
The Dork-O-Motive Podcast May 27, 2026
Sunken Hemi: The Chrysler Concept Car At The Bottom of the Atlantic Ocean

Sunken Hemi: The Chrysler Concept Car At The Bottom of the Atlantic Ocean

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Sunken Hemi: The Chrysler Concept Car At The Bottom of the Atlantic Ocean
Person

Exner

Exner was a designer at Chrysler who helped change how the cars looked after World War II. The idea was to make Chrysler cars look more modern and exciting, not just boxy and old-fashioned.

Company

Studebaker

Studebaker was another car company in the U.S. before Exner went to work at Chrysler. It matters here because it explains where he came from before leading Chrysler’s design work.

Company

Chrysler

Chrysler is the car company in this story. They used special prototype-style “idea cars” to show off design directions and get people excited about what might come next.

Concept

idea cars

In this context, “idea cars” are Chrysler prototypes made to explore new design ideas. The key point is that they were more than just models on a stand—they were meant to be practical and workable.

Concept

concept cars

A concept car is a one-off or limited prototype built to show what a company might do in the future. It’s not usually meant to be a normal car you can buy right away.

Concept

rolling static display models

This phrase means a car that’s basically just for show—pretty to look at, but not really usable. The host says Chrysler wanted their prototypes to actually work and feel like something you could ride in.

Person

C.B. Thomas

C.B. Thomas worked for Chrysler in charge of selling cars abroad. The host says his connections helped shape decisions about how and where Chrysler could build or market these cars internationally.

Person

K.T. Keller

K.T. Keller was a top executive at Chrysler. The episode says he was the person who got convinced by the plan and helped approve it.

Brand

Pininfarina

Pininfarina is an Italian company that designs and builds car bodies. Here, Chrysler brings them in to help build concept cars, but the episode says another firm ended up doing the XX500 work.

Brand

Gia

Gia is an Italian company that helped build these special concept cars. The episode says Chrysler liked their quality so much that Gia ended up doing the XX500 and later projects too.

Car

Chrysler K310

The Chrysler K310 is a Chrysler concept car from 1952. In the episode, it’s tied to the people and planning that led to the later concept cars like the Norseman.

Ford Falcon
Car

Ford Falcon

The Ford Falcon is a mid-size car that Ford made in different versions. Some versions were wagons, which are cars with extra space for cargo and passengers. It’s mentioned because it was a well-known model line with multiple body styles.

Term

plaster model

A plaster model is a physical “prototype” made to show the car’s shape. The idea is to get the design right before the real body is built.

Term

wooden buck

A wooden buck is like a full-size template or frame. Builders use it to shape the car’s body panels by hand so the final car matches the design.

Term

running gear and drivetrain

Running gear and drivetrain are the parts that make the car move and connect the engine’s power to the wheels. The episode says Chrysler shipped those parts to Italy so they could be installed into the concept car bodies.

Topic

auto show season

Auto show season is when lots of car shows are happening. The episode says the concept cars had to be ready by those show dates.

Ford Taurus
Car

Ford Taurus

The Ford Taurus is a regular-size sedan that Ford made for everyday driving. It became known for having a nicer-looking and more comfortable interior, even on cheaper versions. The podcast brings it up because it helped set expectations for how budget cars could feel inside.

Topic

Stockholm

This part is about the Stockholm and why its design made the trip rough for passengers. They talk about what it had (and didn’t have) and how that changed the experience.

Term

icebreaker level strengthened prowl

This is the front of the ship (the bow) built extra tough for icy water. The goal is to let the ship push through ice instead of getting trapped.

Term

stabilizers

Stabilizers are parts that stick out under the water to help stop the ship from rocking side-to-side. Less rocking usually means fewer people get sick.

Place

Turin

Turin is a city in Italy. The hosts mention it because that’s where the workshop was located that was building the Chrysler concept car.

Car

the Norsemen

The Norsemen is a Chrysler concept car the hosts are talking about. In this story, it stands out because it tries a different body design—specifically, it doesn’t use the usual support piece for the windshield.

Term

A-pillar

The A-pillar is the vertical metal post at the front of a car that supports the windshield. If a concept car removes it, the car has to be redesigned so the body still stays strong and safe.

Term

cantilever mounted roof

A cantilever roof is like a part that sticks out and is supported from one side. Here, the episode explains it’s designed to react in a crash by changing how the roof is held.

Concept

pillarless program

A pillarless design means the car’s roof doesn’t use the usual front posts. It looks more open, but it’s harder to build safely because the car still needs to be strong in a crash.

Term

under tension

“Under tension” means the parts are being pulled tight. The episode says the roof is held in place by that tightness, and in a crash the system is designed to let the roof move.

Term

PPG crush-proof windshield

PPG is a company that makes car glass. A “crush-proof” windshield means it’s designed to better survive crash forces, and in this concept it also helps hold up the roof system.

Term

retractable

A retractable window can slide away instead of staying in one fixed position. This concept retracts the back window into the roof, which is harder than it sounds because it has to seal up properly.

Term

hideaway headlights

Hideaway headlights are headlights that can tuck into the car when you’re not using them. The benefit is a cleaner look and less wind resistance.

Norseman
Car

Norseman

The Chrysler Norseman is a famous concept car from the 1950s. In this episode, they’re describing it as a one-off showpiece with futuristic design and special engineering details, not just a styling exercise.

Chrysler Imperial
Car

Chrysler Imperial

The Chrysler Imperial is a large, luxury car made by Chrysler. It’s known for having a more upscale interior and a distinctive dashboard design. In the podcast, it’s mentioned to compare size and cabin style to another car.

Term

wheelbase

Wheelbase is the distance between the front and rear wheels. A longer wheelbase usually changes how the car rides and feels, and it also affects how much space you can fit inside.

Term

smooth belly pan for aerodynamics

A belly pan is a flat panel on the bottom of the car. It helps the car cut through the air more efficiently by smoothing out the airflow underneath.

Term

331 cubic inch hemi

A “hemi” engine has a combustion chamber shape that helps the engine burn fuel more efficiently. “331 cubic inch” is just how big the engine is inside—its displacement.

Term

driveline components

The driveline is the mechanical system that sends power from the engine to the wheels. In this concept, the belly pan is shaped to cover and streamline the parts underneath that do the power transfer.

Term

two speed powerflate automatic

This is an automatic transmission with only two forward gears. “Powerflite” is Chrysler’s transmission design, and the episode is saying this concept used a two-gear automatic.

Term

radar systems

Radar is a detection system that uses radio waves to “see” other objects. It can tell you something is out there and roughly where it is, but older versions may not show enough detail to avoid trouble.

Term

knots

Knots are how ships measure speed. One knot means traveling one nautical mile in one hour.

Term

T-Bone

A “T-bone” collision is when one vehicle/ship strikes another broadside, forming a shape like the letter “T.” Here, the Stockholm hits the Andrea Doria on the side, which is especially damaging because it concentrates impact forces into the struck hull area.

Term

watertight compartment

A watertight compartment is like a sealed “room” inside a ship. If the hull gets damaged, the goal is to keep water from spreading everywhere so the ship can stay afloat.

Place

1957 car show circuit

The “car show circuit” refers to the sequence of auto events where automakers display concept cars and new designs to generate buzz and feedback. Here, Chrysler planned for the Norseman to tour these 1957 events before it went to proving grounds for engineering evaluation.

Term

destructive testing

Destructive testing means you test a part by stressing it until it breaks. The goal is to learn what the design can really handle, not just whether it looks good.

Place

Nantucket

Nantucket is an island near the U.S. East Coast. The episode says the ship carrying the Norseman sank in the Atlantic off Nantucket, which is part of why the car ended up being “found” only much later.

Concept

cut up for scrap

“Cut up for scrap” means the wreck was taken apart so the metal could be reused. The hosts are using it to explain that the ship was eventually dismantled.

Concept

body was all but evaporated

They mean the wreck has deteriorated so badly that almost nothing of it is left. Underwater, materials break down at different speeds, so you may only find a few remnants.

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