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It's about you ™
When we started development of our power meter, more than two and a half years ago, it seemed simple: measure some forces, angles and speeds, and use a bit of software to calculate power. But of course, the devil is in the detail. There’s a huge difference between a concept-proving prototype and a producible saleable power meter.
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I’m an engineer by birth. I don’t remember a time when I wasn’t going to be an engineer. Like many other budding engineers I took stuff apart at home when I was young, and there were always bits left over when (if) I put them back together. Imagining things and building them from whatever is available has always been what I do.
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Just get off one bike and onto another. Varying tilt makes it hard to calculate the vector angles. Part of our test system display. We need a name to match the magic. As I’ve been reminded by messages from some of you, it’s been too long since we let you know our progress and plans. [...]
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(Rollover images to see the captions) We visited the big European bike trade exhibition, Eurobike, in Germany about 10 days ago. There was no sign of the recession here – the exhibition was packed, with every corner and every bit of space occupied by exhibitors, and huge crowds attending every day. We were there for [...]
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The processing algorithm for the power meter is one of the critical parts of the system. The algorithm is the sequence of mathematical steps to calculate torque and power figures from the various sensor measurements. It’s relatively simple to put together a procedure to do this – as long as all the measurements are perfect. [...]
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A progress update is overdue, I think, as it’s been a while since the last one. The major event in the last couple of months was the online survey we ran in February. We were amazed and re-energised by the huge response we got to the survey and by the many messages of encouragement and [...]
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Up to now we’ve been working on the assumption that what we want is the same as what every other cyclist wants. We want a better power meter, so we’ve assumed everyone else wants one too. That’s what led us to start this development project – a belief that the two of us are fairly [...]
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A new year, and a new confidence that we’re on the right road. The current issue of Pro Cycling (February 2009, the one with Lance Armstrong on the cover) contains an article discussing the use of power meters and lists the pros and cons of each of the six meters on the market at the [...]
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Thomas Edison is reputed to have remarked, when someone suggested that he should give up trying to make the electric light bulb work, that since he had already found 10000 ways that didn’t work it followed that he must be much closer to finding a way that did work. It feels like we’ve found about [...]
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Welcome to the Brim blog! We plan to use this to let you know how we’re doing, to keep you up to date with what’s happening around the Brim Brothers development labs, and generally to waffle on about anything on our minds. Actually, at this stage the “labs” are still my garage and Ian’s back [...]
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