Aqua scooter

Lore & Background

Bernd Böttger, a chemical engineer in the German Democratic Republic, determined to escape to the West by sea. He trained as a diver and worked in his automotive workshop in Dresden, taking a two-stroke engine from a motorcycle, attaching a propeller to its driveshaft, and sealing the unit inside a fibreglass mat using polyester resin. He added a fibreglass petrol tank and handles, creating a home-made torpedo to drag him through the water.

Böttger's first escape attempt in autumn 1967 failed when he was caught by the Stasi on the beach at Wismar. Despite claiming he only intended to test his invention, he was sentenced to three months in prison. His detention stiffened his resolve, and upon release he improved his design. His second attempt on 8 September 1968 succeeded: departing from Graal-Müritz, his device pulled him for nearly five hours to reach the Lightvessel Gedser Rev moored outside the Danish port of Gedser.

After European news reported his story, an executive at Rockwell International became interested. A West German subsidiary of Rockwell offered Böttger the opportunity to develop a commercial version. Rockwell halted development in 1974, but the patents were bought by James Taylor in 1978. Taylor formed Aquascooter Inc and moved production to the United States.

Reader's Guide

The Aqua scooter represents a unique intersection of Cold War escape technology and commercial recreational engineering. Bernd Böttger's invention, born from a desperate need to flee East Germany, demonstrated remarkable ingenuity: a motorcycle engine sealed in fibreglass, capable of pulling a diver for hours. Its successful use in Böttger's 1968 escape to Denmark highlighted both the dangers of life under the German Democratic Republic and the resourcefulness of those seeking freedom. The subsequent commercial development, first by Rockwell International and then by James Taylor's Aquascooter Inc, transformed a personal escape tool into a consumer product. Today, the Aqua scooter is still produced by Italian company Comer Top Kart, with models reaching speeds of up to 5 mph. The device's legacy endures as a testament to how extreme circumstances can drive innovation, and how a single-purpose invention can evolve into a lasting commercial product. Its story also underscores the role of Western media and corporate interest in bringing Eastern Bloc inventions to global markets.

Did You Know?

• The first Aqua scooter used a two-stroke engine from a motorcycle, sealed in fibreglass with polyester resin.
• Bernd Böttger's first escape attempt in autumn 1967 failed; he was caught by the Stasi and sentenced to three months in prison.
• Böttger's successful escape on 8 September 1968 took nearly five hours to reach the Lightvessel Gedser Rev off the Danish coast.
• Rockwell International halted development of the Aqua scooter in 1974, and the patents were bought by James Taylor in 1978.