60kg battery, 4.2km track, 500km distance, over 100kph average speed
http://newsroom.unsw.edu.au/news/sc...-successful-electric-car-world-record-attempt
http://newsroom.unsw.edu.au/news/sc...-successful-electric-car-world-record-attempt
Electric car world record attempt
- Thread starter myzter
- Start date
h0tr0d
1 kW
- Joined
- Apr 28, 2012
- Messages
- 460
...on a single charge!
For me, this is the future of electric mobility, incredibly lightweight and aerodynamic.
More links:
https://www.engineering.unsw.edu.au/news/sunswift%E2%80%99s-eve-smashes-the-world-record-for-the-fastest-long-range-electric-car
https://scontent-a-fra.xx.fbcdn.net/hphotos-xfa1/t1.0-9/10271609_757176880999447_9048167835966147179_n.jpg
For me, this is the future of electric mobility, incredibly lightweight and aerodynamic.
More links:
https://www.engineering.unsw.edu.au/news/sunswift%E2%80%99s-eve-smashes-the-world-record-for-the-fastest-long-range-electric-car
https://scontent-a-fra.xx.fbcdn.net/hphotos-xfa1/t1.0-9/10271609_757176880999447_9048167835966147179_n.jpg
Grinhill
10 kW
This car will be doing some demo laps next weekend at the Hunter Valley EV Festival, so I'll get to see it live.
It is a huge shift in people's thinking for a car to weigh so little, I'm glad there are people showing what can be achieved if we really try.
It is a huge shift in people's thinking for a car to weigh so little, I'm glad there are people showing what can be achieved if we really try.
Dauntless
100 TW
http://sunswift.com/
Dauntless
100 TW
IT occurs to me there's MUCH we can discuss of this.
Top speed 140kmh, hey cars of the 80's could only go 85mph.
What is "Encapsulation?"
Hub motors? Obviously this isn't a racecar, but would you want to go with hubs for high efficency? What do you suppose they've developed?
Top speed 140kmh, hey cars of the 80's could only go 85mph.
What is "Encapsulation?"
Hub motors? Obviously this isn't a racecar, but would you want to go with hubs for high efficency? What do you suppose they've developed?
h0tr0d
1 kW
- Joined
- Apr 28, 2012
- Messages
- 460
Flexible solar cells need to protected, so they encapsulate them between plastic sheets.Dauntless said:
98% efficient hub motor, that's whyDauntless said:
Your typical 90% motor (95% tops) and 95% single belt, chain or gear (98% tops - brand spanking new, preloved and analy clean) give you 85% to 93% eff...
Hillhater
100 TW
500km @ 100km/hr on only battery power ( solar cells blanked off) = 5hours run time
60 kg of Panasonic 18650 A/B = 14.8 kWhr
So they will be averaging ~2.7 kW power at 100km/hr
..Or they will be using 27.0 Whr per km at 100km/hr
...not too shabby at all !
60 kg of Panasonic 18650 A/B = 14.8 kWhr
So they will be averaging ~2.7 kW power at 100km/hr
..Or they will be using 27.0 Whr per km at 100km/hr
...not too shabby at all !
Samd
10 MW
Smile.
Dauntless
100 TW
And away we go. The motor is currently marketed under license by Marand Precision Engineering. In American just over $11k to over $12k
I wonder what their controller is.
http://lati-solar-car.wikispaces.com/file/view/Solar+Car+Wheel+Motor+Information+Sheet.pdf
Number of poles 40
Number of phases 3
Approximate weight of frameless (kg) 10.9
Nominal speed (rad/s)2 111
Nominal torque (Nm)3 16.2
Maximum continuous torque at 111 rad/s (Nm)4 31
Magnetic gap – each side (mm) 2
Phase resistance (?) 0.0757
EMF constant – L-N RMS EMF/speed (Vs/rad)5 0.39
Torque constant per phase (Nm/A)6 0.39
L-N RMS EMF (V)5 43
RMS phase current (A)6 13.9
Copper loss (W) 43.9
Eddy current loss (W) 2.6
Windage (W)7 2.1
Total loss (W) 48.6
Output power (W) 1800
Efficiency (%) 97.4
Winding, temperature, rise (K) 22
Absolute maximum ratings1
Maximum speed (rad/s) 300
Maximum torque (Nm) 50.2
3 × 100 ?H Inductors 9
I wonder what their controller is.
http://lati-solar-car.wikispaces.com/file/view/Solar+Car+Wheel+Motor+Information+Sheet.pdf
Number of poles 40
Number of phases 3
Approximate weight of frameless (kg) 10.9
Nominal speed (rad/s)2 111
Nominal torque (Nm)3 16.2
Maximum continuous torque at 111 rad/s (Nm)4 31
Magnetic gap – each side (mm) 2
Phase resistance (?) 0.0757
EMF constant – L-N RMS EMF/speed (Vs/rad)5 0.39
Torque constant per phase (Nm/A)6 0.39
L-N RMS EMF (V)5 43
RMS phase current (A)6 13.9
Copper loss (W) 43.9
Eddy current loss (W) 2.6
Windage (W)7 2.1
Total loss (W) 48.6
Output power (W) 1800
Efficiency (%) 97.4
Winding, temperature, rise (K) 22
Absolute maximum ratings1
Maximum speed (rad/s) 300
Maximum torque (Nm) 50.2
3 × 100 ?H Inductors 9
Dauntless
100 TW
Dang, I might not get any sleep tonight, I feel like a bloodhound.
Apparently they're using one of each:
http://www.ebay.com/itm/UQM-UNIQUE-MOBILITY-SOLAR-ELECTRIC-VEHICLE-DC-MOTOR-CONTROLLER-200V-75A-CR20-75-/151377038344?pt=Motors_Car_Truck_Parts_Accessories&hash=item233ec64c08&vxp=mtr Not getting their site yet, but they got $45 million from the failed stimlus package of Obama. I guess this is from a mobility scooter.
http://tritium.com.au/products/wavesculptor200-motor-inverter/ Oh, many kind words being said on this one. But why are they calling it a motor inverter. 300arms instead of 300amps? diyelectriccar.com and elmoto.net have been tinkering with it.
http://www.amci.com/tutorials/tutorials-stepper-motor-drivers-rms-vs-peak-current.asp
Apparently they're using one of each:
http://www.ebay.com/itm/UQM-UNIQUE-MOBILITY-SOLAR-ELECTRIC-VEHICLE-DC-MOTOR-CONTROLLER-200V-75A-CR20-75-/151377038344?pt=Motors_Car_Truck_Parts_Accessories&hash=item233ec64c08&vxp=mtr Not getting their site yet, but they got $45 million from the failed stimlus package of Obama. I guess this is from a mobility scooter.
http://tritium.com.au/products/wavesculptor200-motor-inverter/ Oh, many kind words being said on this one. But why are they calling it a motor inverter. 300arms instead of 300amps? diyelectriccar.com and elmoto.net have been tinkering with it.
http://www.amci.com/tutorials/tutorials-stepper-motor-drivers-rms-vs-peak-current.asp
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