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Thursday, September 28, 2023

Belated Birthday Current – BionicOldGuy

Final January I handled myself to a seventieth birthday current of a brand new seat for my recumbent. Sadly on account of supply-chain points, it ended up back-ordered, and I simply bought it.

This seat is probably extra comfy as a result of it may recline extra. It additionally ought to be extra aerodynamic. The primary goal of the brand new seat is consolation, not aerodynamics, so I’ll get good use out of it. However being a retired engineer, my inside nerd was curious in regards to the potential pace benefit.

The seat on the left was the unique seat, referred to as the “recurve”. The one on the proper is known as the “Euromesh”. There’s a restrict to reclining on the recurve as a result of it makes the entrance stick up too far and whack into the again of your legs. This isn’t a problem on the Euromesh due to its form. The 2 are proven facet by facet with the usual incline.

You possibly can see there’s heaps extra room to decrease the Euromesh. I attempted out the brand new seat with it reclined a number of extra inches than the recurve. I did a pace trial on one in every of my customary Strava routes, the Coyote Creek path to Bailey Ave and again. Surprisingly, I used to be a couple of minutes slower than my finest time. It felt like I couldn’t put out as a lot energy. I can push actually arduous on the seat again of the recurve when going quick, however on the Euromesh it felt like I might waste some vitality sliding on the seat.

Skilled cyclists on typical bikes have additionally run right into a trade-off between being extra aero and the flexibility to place out energy. However I hadn’t heard of this on recumbents. I do know that every one the pace data on recumbents are set on very reclined seats.

I’m cussed and wasn’t prepared to surrender. It turned out that the size of the stays holding up the seat within the again prevented reclining so far as I needed to attempt, even when telescoped to the shortest size. I didn’t need to minimize the stays as a result of that may make them unsuitable for the opposite seat. So I kludged collectively non permanent stays utilizing dowels. If this had labored I might have made it extra official by shopping for some tubing. The “prototype” is proven beneath.

This place is much more aerodynamic however would take some getting used to comfort-wise. I attempted performing some quick sprints with it to check pace, and once more, surprisingly, it was not any sooner. However this additionally might need been as a result of pedaling felt extra awkward. This can be only a matter of getting used to the brand new place and adjusting my pedaling type.

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