On the Wind Sailing cover image

Etienne Giroire // Whitbread Race

On the Wind Sailing

00:00

The AETM Spinnaker Sleeve

"I had no idea this was going to be my livelihood," he says. "The patenting is a useless affair because somebody's going to combine, something slightly different." The AETM spinnaker sleeve and alternative American technique navigation are now in the public domain for the past 10 years. 'That's what's protected me,' Pram writes of his sailing career.

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