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Live: Designer Ian Callum on TWR and Jaguar - then and now #299

Live: Designer Ian Callum on TWR and Jaguar - then and now #299

The Intercooler Feb 02, 2026 41 min
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About this episode

Ian Callum, renowned car designer, shares his journey from Ford to TWR and his pivotal role in the creation of the Aston Martin DB7. He reflects on his early admiration for Tom Walkinshaw, recounting how a chance meeting led him to design iconic vehicles. The conversation dives into the challenges of transforming Jaguar designs into Aston Martins, the significance of the DB7 in Aston's history, and the creative process behind its development. Callum's insights provide a fascinating look at automotive design and the impact of key figures in the industry.

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Technical Too Afraid to Ask
Concept

Bathurst

"...while I was living in Australia and working for Ford. And the Bathurst was on. Very important race down there."

Bathurst is a famous car race in Australia that happens every year. It's known for being very tough and exciting, attracting many fans and drivers.

Car

Jaguar Xjs

"And this was in the XJS? This was in the XJS and 85? Yeah, there's a gr..."

The Jaguar XJ-S is a stylish and comfortable car that people loved in the late 20th century. It's known for being a nice car to drive on long trips and has a unique look that many find appealing.

Car

Mclaren F1

"...he called the F1. He hadn't told Tom. The McLaren F1. McLaren F1, yeah."

The McLaren F1 is a famous sports car made by McLaren. It was very fast and had a unique design where the driver sits in the middle of the car, which is different from most cars.

Car

Ford Escort Cosworth

"...Escort Cosworth? Escort Cosworth, yeah."

The Ford Escort Cosworth is a special version of the Ford Escort that was made for racing and has a powerful turbo engine. It's popular among car fans for its speed and unique look.

Car

Aston Martin DB7

"...So I started working there. We did the DB7, which we can talk about."

The Aston Martin DB7 is a fancy sports car made by the British company Aston Martin. It was popular in the 1990s and early 2000s and is known for being stylish and fast.

Car

Ford Fiesta

"...a small sports car based on Ford Fiesta. I said, yeah, why not?"

The Ford Fiesta is a small car that Ford makes. It's known for being easy to drive and good on gas.

Car

Ford Puma

"...that's how the Puma came about. So I was actually at TWR when we designed the Puma."

The Ford Puma is a small sports car that Ford made. It was designed to be fun to drive and looks sporty.

Car

Jaguar XJ41

"...it was going to be a replacement for XJ41, which a Jaguar told they couldn't, which was going to be a new sports car with Jaguar."

The Jaguar XJ41 was a planned sports car that never made it to production. It was meant to be a new model for Jaguar but was canceled before it could be built.

Term

car package

"And a big part in designing any car is setting up the package. And because we came off the XJS platform, the Kull line was in the wrong place."

In car design, a 'package' means how the car is laid out, including its size and where parts are placed. It's important to get this right for the car to work well and be safe.

Part

grill

"including the grill, of course. Which was hugely pleasurable, to be honest."

The grill is the front part of a car that lets air in to cool the engine. It also helps make the car look good and shows off the brand's style.

Car

Aston Martin Vanquish

"... have been bigger, too small. And if you look at Vanquish, there it is, bigger grill. Yeah, I should be bi..."

The Aston Martin Vanquish is a really powerful and fancy sports car that looks amazing and goes super fast. It's a car that stands out because of its design and performance.

Car

Jaguar V12

"...the old V12 Jag engine. And it was a lower engine."

The Jaguar V12 is a powerful engine made by Jaguar that has 12 cylinders. It's known for being smooth and strong, and it was used in some of their classic cars.

Term

prototypes

"And then we got the prototypes running. The car was sitting too high at the back."

Prototypes are test versions of cars that are made before the final version is built. They help designers see how the car works and what changes might be needed.

Term

engineering work

"And there was some engineering work to be done there."

Engineering work means making changes and improvements to how a car is built. This can help the car work better or look nicer.

Company

TWR

"...why don't you just make TWR a car company?"

TWR stands for Tom Walkinshaw Racing, a company that worked in motorsports and helped develop cars for racing.

Car

Jaguar XJ220

"...just after one of my colleagues had driven his XJ220 straight over the top or around about his personal XJ220."

The Jaguar XJ220 is a very fast sports car made by Jaguar in the 1990s. It was famous for being one of the quickest cars you could buy back then.

Concept

Formula One

"...Tom's focus had gone over to motor racing in Formula One."

Formula One is a type of car racing that involves very fast cars and is held on tracks around the world. It's one of the most popular and prestigious racing series.

Term

mid-engine car

"I think it was a small mid-engine car at TWR. The mid-engine Aston, which never was?"

A mid-engine car has its engine placed in the middle of the car, rather than at the front or back. This helps the car handle better and be faster.

Car

Aston Martin DB9

"...on secondment to Aston Martin, where you did the DB9 and the Vantage? The DB9, the most advantage."

The Aston Martin DB9 is a beautiful sports car that is known for being fast and stylish. It's a car that many people dream of owning because it looks amazing and drives really well.

Car

Aston Martin Vantage

"...where you did the DB9 and the Vantage? The DB9, the most advantage. The Vantage started off the mid-engine, it went to front-engine."

The Aston Martin Vantage is a sporty car that focuses on performance and handling. It's designed to be more agile and fun to drive than the DB9.

Car

Aston Martin Rapide

"Was it there for long? Rapide, that wasn't one of wheels, was it? Rapide."

The Aston Martin Rapide is a fancy four-door car that can go really fast while still being comfortable for passengers. It's special because it combines the look of a sports car with the space of a regular car.

Car

Jaguar XJ

"...the XJ came out looking like the old one, which looked like the old one, which looked like the first one..."

The Jaguar XJ is a large luxury car made by Jaguar. It's known for being very comfortable and stylish, often used by people who want a high-end driving experience.

Concept

electric vehicle architecture

"But do you think the design opportunities presented by electrical vehicle architecture is actually going to result in some cars which could not have been designed that way if they'd had internal combustion engines?"

Electric vehicle architecture is how electric cars are built and organized. It focuses on parts like batteries and electric motors, which are different from regular cars that use gasoline engines.

Car

Jaguar CX-75

"Well, Julie Thompson and I were working CX-75. That was an EV."

The Jaguar CX-75 is a special car that was made to show off new electric technology. It combines electric power with other types of engines to be fast and efficient.

Concept

concept car

"...There's a very, very bold concept car out there now."

A concept car is a special type of car that companies create to show off new ideas and designs. They usually don't go into mass production but help companies see what people like.

Car

Jaguar Ipace

"The IPace is not normal. No, I agree."

The Jaguar I-Pace is an electric SUV made by Jaguar. It's different from regular cars because it runs on electricity instead of gasoline, which is part of a trend towards more environmentally friendly vehicles.

Car

Jaguar F-Type

"I think the way that I knew Jaguar was going with a new F-Type mid-engine car coming, I just have got..."

The Jaguar F-Type is a stylish sports car known for its speed and good looks. It's made by Jaguar, a brand famous for luxury vehicles.

Car

Mercedes-Benz Sclass

"And it was a better car all round than any 7 Series. It maybe didn't have the sense of quality or sereneness or ride of an S-Class. But it wasn't meant to have."

The Mercedes-Benz S-Class is a very fancy car that is known for being super comfortable and packed with the latest technology. It's often considered one of the best luxury cars out there, and people talk about it because it shows what a high-end car can be like.

15 cars featured

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