Spoofing a Prius (1st gen) brake pressure sensor for stronger regen: AutoSpeed
Julian has posted another quality article at AutoSpeed just now:
A World First: Modifying Regen Braking Quote:
He accomplishes the feat by adding voltage to the sensor, but only when the brake pedal is pressed (activating a relay in the circuit). The result is a loss of the ability to do extremely light braking, but he's happy with the heightened amount of regen in his braking mix. Full article here |
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Thanks Darin. I saw that article too. It's on my list of to do's.
He's done a bunch of cool things with that NHW10 like rear discs from a Corolla, the undertray. He turbocharged it!!1!. Yes, you read that right... a turbocharged Prius. He put in an oversize rear anti sway bar. Hacked the power steering electric assist for better road feel. And he gets paid to do it. Good work if you can get it. I have my work cut out for me. |
It's an old article, but it's still interesting. I'm sad autospeed now only publishes 3 articles every 2 weeks, of which 1 or 2 are recycled, previously published articles.
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There are times where this is useful, but most of the time it's more efficient to avoid regen. Regen gives you back some of the energy, but the conversion losses make it less efficient. mechanical -> electrical -> chemical (battery) -> electrical -> mechanical
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Exactly, regen is useful so you don't waste everything when something does not go as planned. Since most drivers never plan anything and simply react, regen is very useful to the average driver, not so for the hypermiler.
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I notice you live in Texas, where it's mostly pretty flat, and so easy to avoid braking. Live someplace where there are hills - the east slope of the Sierra Nevada, for instance - and you will quickly change your mind. There are more than a few places around here where driving without braking would lead to terminal velocities over 80 mph. That's ok on the straight runs, but there are a number that're pretty twisty, and have stop signs &c at the bottom. |
Why would he think discs are better than drums? :confused:
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Prius... performance spectrum... :confused:
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