EcoModder Forum Maximizing average speed with an electric car

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 08-10-2017, 08:16 AM #1 (permalink) Eco-ventor     Join Date: Oct 2010 Location: sweden Posts: 1,602 Princess - '92 Mazda MX-3 GS House of TudorTeam Mazda 90 day: 53.54 mpg (US) Shirubāarō (*´ω｀*) - '05 Toyota Prius Executive Team Toyota 90 day: 54.88 mpg (US) Blue Thunder - '20 Hyundai IONIQ Trend PHEV Team HyundaiPlug-in Hybrids 90 day: 208.47 mpg (US) Thanks: 72 Thanked 679 Times in 429 Posts Maximizing average speed with an electric car A while back there was a thread asking how fast you should go to maximize averege speed on a 1000 mile trip, I decided to try and solve a slightly simpler problem, i.e. Infinite trip, and charging stations everywhere: Code: ```#include int main(){ double cdA = 0.7; // m2 double crr = 0.008; double mass = 1500; // kg double para = 150; // w double batCap= 44000; // wh double chrgRte= 60000; // w double timeLoss= 2; // minutes double power, range, time, avg, vel; printf("# speed power range time avg\n"); for(int spd=10;spd<=250;spd+=5){ vel=spd/3.6; power = para + vel*(0.5*1.225*vel*vel*cdA + crr*mass*9.81); range = vel*(batCap*3.6)/power; time = range/(vel*3.6); avg = range/(timeLoss/60+time+batCap/chrgRte); printf("%8.0i%10.2lf%8.2lf%8.2lf%8.2lf\n",spd,power,range,time,avg); } }``` I was a bit surprised at how high your optimum speed is. Attached Thumbnails   __________________ 2016: 128.75L for 1875.00km => 6.87L/100km (34.3MPG US) 2017: 209.14L for 4244.00km => 4.93L/100km (47.7MPG US)
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