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I agree it's not perfect. But it is pretty simple and approximates the differences. Not everyone, but perhaps most cyclists, can make more power on the road (vs.trainer), but the explanations for why are varied. I feel like I can make more power on the road, and this small test supports that...

More on the physics: Yes, I would agree that even if we are merely "bracing the body" by pulling on the handlebar, then that would allow more power generation. And this may be all that many successful Cruzbike riders ever do, and that would be fine. But if we go a small step further, and...

I admit I was a bit surprised by the magnitude of the difference in power with my testing. But the numbers are genuine, coming straight from the power meters and hear rate monitor. And the analysis and graphs/charts were automatically created by TrainingPeaks, using their own complex algorithm...

Are you able to produce more power when your ride on the road, or when you are on the trainer? If you have a power meter, trainer, and heart rate monitor, consider trying to do what I did and share your results on this thread. Here's what I did, and my results. I compared peak power while...

More Cruzbikes than any other recumbent brand. Florida-based Schlitter bikes listed 11 racers in the various events. I saw several Bacchetta bikes (also Florida-based) there, but did not see them publish a count. I personally did not notice any M5 bikes there, but would have expected to see a few.

Congratulations. 245 miles in 12 hours, especially under those circumstances, is incredible. I heard your crash at mile 65 just to my left. What a recovery! It was an exciting day of racing with 13 Cruzbikes in the mix. So many great stories. Maria and I just got back home to NC . We will write...

I've had many front flats on my V, but always managed to bring the bike to a controlled stop. Blowouts don't give you much warning. Whenever I think I MIGHT have a flat, due to any unusual rhythm, I clip out and coast until I am sure one way or the other. I've had more flats with latex, so I...

The V18 adapters drop my head and shoulders about 3 3/4 inches (9.5 cm). Some time when I have a low-wind day and time off work, I will do proper Cd*A testing on a 9-mile loop near my house to better quantify what the tailbox does, and what the V18 adapters do.

Hi Larry, Yes, the 18 mile loop had some climbing/descending and most of it was pretty rough. Those factors are going to make the calculated Cd*A a bit higher than on a smooth track.

...and here are the Cd*A estimates (and the input parameters) using R. Chung's cool online tool. The Ninja V18 adapters and/or the Quiver tailbox must have helped me out. Surprised my rig slipped through the air a little better than Jason's custom carbon covered frame. This table is based on...

Power vs. speed comparison for the fastest 18 mile (long lap) at Borrego Springs. I was 80 seconds faster then Jason, but he was burning 15 watts less. 82 seconds ahead of Kevin, but burning 2 fewer watts. I would conclude I was certainly more aero than Kevin, and maybe a bit more aero than...

It's been several years since this came out. I still love it, though I hadn't seen it in quite some time. Our daughter Genevieve lives in Hollywood, CA and had a friend who was a young upcoming commercial videographer agree to put this ad together for a fraction of the usual cost. Those are real...

"Jim, were you racing on a keto fuel plan? If so what was your diet during the race?" I went in completely keto and planned to only drink water and take salt tablets during the race. When I suddenly had the power loss and leg cramps after only two laps I wasn't sure of the cause. By the 4th lap...

Here is a bullet list, with photos, of some highlights of the event. 1) Cruzbike racers Jason Perez (24H), Kevin Gambill (12H), and (moi) Jim Parker (6H) each set the overall recumbent record in their events. Here are all the new and historical 6-12-24 Hour recumbent results: 2) Big thanks...

...in Borrego Springs, California. The racing begins November 4th. The official records have not been posted. These records are based on posted race results.

Jason, whatever you are doing when beating your best carbon DF times climbing up hills, keep it up! You wrote: "...as my power climbs over 400 watts and I start to wrench on the bars to correct the big pushes on the pedals..." That leverage on the handlebars is getting more compression on the...

While specifically about standard bike racing, much of this article applies to us Cruzbike racers. Maria and I have noticed that when we are passing RWD bents on climbs, we are often switching between our usually laid-back (open) position to a "sitting up" (closed) position. Many standard bike...

We had prototype #3 at the show and briefly attached it to my V20 to give some Cruzbike folks a feel for riding it. We did not display it publicly at our booth, but those that came out to the grassy knoll where our tent was set up got to examine it, including a bunch of young engineering...

All the Parkers are safe. Our town is still without power or water. Fortunately our neighborhood did not have serious flooding. The roof of our warehouse was partially blown off, but no injuries.

I did an interview with a reporter at a large national newspaper today and he asked: "...Specifically, do you know of a man who was experiencing numbness and pain in the perineal area (and perhaps even issues with ED) from traditional cycling and switched to a recumbent and this resolved their...