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Ford develops new spider screen for 2016 Focus [VIDEO]

Webs could potentially block fuel vapour lines and damage engine.


September 8, 2015
by Ford Motor Co.

Yellow sac spider video courtesy of Arlo Pelegrin.

Yellow sac spider video courtesy of Arlo Pelegrin.

DEARBORN, Mich. — Arachnophobes may not know this, but there is a team of Ford engineers who have developed an innovative spider screen to keep the creepy crawlers from nesting in Ford vehicles.

The Dearborn, Mich.-based auromaker says Cheiracanthium mildei and Cheiracanthium inclusum – more commonly referred to as yellow sac spiders – have been known to nest inside vehicles in North America, causing problems for car owners and automakers alike over the years. Instead of using webs to catch prey, these spiders build cocoon-like webs for shelter and to lay eggs. But their home is dense enough to potentially block fuel vapour lines, which can lead to engine damage and diminished vehicle performance.

David Gimby, Ford fuel systems engineer, began looking into how to keep spiders out of Ford vehicles in 1999. Having no background in arachnology, he researched the life and science of spiders and in 2004 Ford produced its first spider screen, which has kept spiders from nesting inside Ford vehicles for years.

“These particular Arachnids are not sedentary – they are hunters and constantly roaming,” Gimby explained. “When it’s time to build a birthing cocoon or an over-winter cocoon, they seek a cavity or a depression, like a fuel vapour line opening, which allows them to maximize the use of their silk.”

The technology continues to evolve. Ford engineers worked on an improved spider screen that is being implemented across the Ford lineup in North America. It will go global with the launch of the all-new 2016 Ford Focus RS.

Keeping fuel vapour lines clear is key to air and vapour circulation for a vehicle’s carbon canister, where fuel vapors are captured so they don’t enter the environment. The Ford-developed spider screen keeps spiders out of the line, but allows air and vapor flow for optimal vehicle operation.

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