They're allowed, as far as I know! I don't if anybody uses it. Different nuances in electric, but the Geec has fixed gearing just for simplicity, and because it's easy to regulate the road speed. They will debut some nice electrical control this year.
btw ICE competitors in ultra-efficiency competitions run a hard burn & glide strategy - accel at full throttle up to maybe 150% of desired average speed and coast down to 50%. This lets them stay in high-torque region of the engine map.
force goes with square, power with cube. I'd agree with 80+ km/h based on personal experience.
That's on a test stand of course. At high speeds in the real world, aerodynamics takes over. So at some point, going faster makes things rapidly worse.
Brake-specific fuel consumption map for a 1.5-litre Diesel engine. x axis: rpm, y-axis is mean effective pressure (proportional to torque) and contour values are BSFC in grammes of fuel per kWh output. Source: https://en.wikipedia.org/wiki/Brake-specific_fuel_consumption
It's surprisingly hard to find a straight answer and it's probably very vehicle-specific! Optimum speed will be a partly a design choice so quite possibly it's set to maximise WLTP result for marketing purposes. Most engines have max efficiency around ~2000 rpm and mid-high torque.
"I've been reading through today's decision on the Galway City Ring Road and it seems to me that it includes some extraordinary creative accounting to justify the spending of €1bn on a project that will make traffic worse, not better, in Galway" - Ciarán Ferrie
www.linkedin.com/feed/update/...
No doubt there will be whoops and hollers in Galway about this. But it’s very sad news because it means that the notoriously congested city will be locked into car dependency when what it really needs is an east-west light rail line and bus lanes on every arterial route. A billion Euro wasted! …
Seeing as we're back to discussing the ringroad, I wrote a blog about my own thoughts on this, and other planned projects in the city a few months back. I remain of the opinion that the road will not make a significant impact on congestion.
open.substack.com/pub/cllralan...
Machines actually designed for their intended load and environment. It’s radical.
wikipedia turns 25 today! the last unenshittified major website! backbone of online info! triumph of humanity! powered by urge of unpaid randos to correct each other! somehow mostly reliable! "good thing wikipedia works in practice, because it sure doesn't work in theory" - old wiki adage
Trump has accepted the Young Scientist Award from Presentation College in Kerry
"I'm the best young scientician apart from the great Thomas Edison. No including him. I've done so much for science"
If protein folding models, based on supervised learning w/carefully constructed datasets have proven useful to biologists and go under the same name ("AI") as the synthetic text extruding machines that are despoiling our info ecosystem, it is harder to critize the latter with one's full chest.
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"Every gun that is made, every warship launched, every rocket fired signifies, in the final sense, a theft from those who hunger and are not fed, those who are cold and are not clothed."
-Dwight D. Eisenhower, 1953
www.kennys.ie
I get this reference and I heartily concur.
