Dive Into the Dynamics of Aero: Unpacking Common Missteps in Triathlon Gear
In the realm of triathlons, every watt counts, and achieving aerodynamic efficiency can often feel like a quest for the Holy Grail. But, as many seasoned athletes will attest, even the most well-intentioned gear can lead to unexpected pitfalls if not utilized correctly. Let's explore some common aero fails that could be sabotaging your performance, despite your best efforts.
1. The Sock Dilemma
It might seem trivial, but in the world of cycling aerodynamics, socks have stirred quite the debate. Contrary to popular belief, those sleek aero socks might not be the speed boost you were hoping for. Geoff Eaker from the A2 Wind Tunnel in North Carolina points out that more often than not, wind tunnel tests show aero losses rather than gains when it comes to socks. Surprisingly, about 55% of these tests result in slower times. This revelation invites triathletes to reconsider the necessity of high-tech socks, especially when simpler options might suffice without the hassle of a tight fit over a wet foot during transitions.
2. Textured Tri Suits: A Tricky Fit
The allure of a textured tri suit is undeniable. Promising to slice through the wind, these suits are tempting. However, they come with a caveat: fit is paramount. If a suit is too tight, you risk flattening the very textures designed to reduce drag. Conversely, a suit that's too loose might flap in the wind, creating resistance akin to a miniature Mount Everest. The key is finding that perfect fit that feels like a second skin without restricting movement or comfort—a challenge that requires attention to detail, particularly post-swim.
3. Round Water Bottles: Not Always a Drag
The conventional wisdom that round water bottles are aerodynamically inferior is being challenged. Positioned correctly, such as behind the seat or between the arms, these bottles can be as "invisible" to the wind as their aero counterparts. This insight is particularly crucial for long-distance triathletes who need to optimize every aspect of their bike setup. It's a reminder that sometimes, traditional gear can work wonders if used thoughtfully.
4. Rethinking Long-Tailed Helmets
Long-tailed helmets, once the hallmark of triathlon gear, are now taking a back seat to shorter or no-tail versions. The reason? Few athletes can maintain the perfect, disciplined position required to benefit from a long tail. Any deviation—like looking down or to the side—turns the helmet into a drag-inducing sail. Modern aero helmets are designed to be faster and more forgiving, accommodating the dynamic movements of real-world racing.
Personal Aerodynamics: More Art Than Science
Achieving personal aerodynamic perfection is a nuanced art. What works for one athlete might not work for another, making personal testing—whether in a wind tunnel or through real-world trials—crucial. This approach ensures that your investment in gear genuinely enhances your performance rather than draining your wallet.
In triathlon, as in life, the devil is often in the details. Each piece of gear, from the humble sock to the high-tech helmet, plays a role in your aerodynamic profile. Understanding how to optimize these elements can transform your racing experience, turning potential aero fails into triumphant gains. So, before your next race, take a moment to scrutinize your setup. It might just be the edge you need to soar past your competition.
What are the common mistakes triathletes make with aero gear?
Common mistakes include relying on socks for aerodynamic gains, incorrectly fitting skin suits, misplacing water bottles, and using long-tail helmets without considering race day dynamics and personal fit.
Do socks make you faster in cycling?
Wind-tunnel testing shows that socks, particularly textured aero socks, often result in slower speeds, with around 55% of tests indicating aero losses instead of gains.
How can textured skin suits impact aerodynamics?
Textured skin suits can provide aerodynamic benefits if worn correctly. If the material is stretched too much or too loose, it can negate the benefits or create drag, making it critical for triathletes to ensure a snug, appropriate fit.
Are round water bottles always less aerodynamic than aero bottles?
While aero bottles are generally better when placed in certain bike positions, round bottles can be aerodynamically neutral or beneficial when placed behind the seat, between the arms, or in other strategic places.
Why are long-tail helmets becoming less popular among triathletes?
Long-tail helmets are less popular because most riders struggle to maintain a perfect aerodynamic position throughout a race. Shorter or no-tail helmets are becoming more common as they offer better aerodynamic performance in dynamic race scenarios.
#Aerodynamics #TriathlonGear
Source: https://www.triathlete.com/gear/bike/4-aero-fails-according-to-a-wind-tunnel-expert/
