a human and solar only powered vehicle for traveling, camping and transporting equipment and goods
trailer option for transporting bigger items and having bigger area for solar panels
for one or two people
solely self-sufficiently human and solar powered
20 kg luggage per person
300 km range per day
modular and configurable
as easy to repair as a bicycle
very lightweight frame construction
as safe as an ebike
if something breaks it does not cause an accident but it is noticed and can be replaced
can be delivered as a construction kit in a small package
45 km/h maximum speed
specs for an optional trailer
100 kg additional luggage
can be used to carry equipment and goods and may for sleeping in
can be extended with a awning for camping
design principles
modular design to construct many different variants of vehicles and trailers
can be delivered as a compactly packed construction kit
one-design solar panel modules 1m x 1.33m, peak power 258W, MPP 30V
solar panel module optionally splittable into two halves to reduce size of packed construction kit
multiple modules connected in parallel
system voltage (battery and motor) 72V
vehicle design for one person
3 wheels
width 1m, length 3m, height 1.33m
two solar panel modules (area 2.5 m2, peak power 516W)
one or two 1200 .. 2400 Wh batteries
vehicle class: ebike or l2e
trailer design for one person
2 wheels
width 1m, length 3m, height 1.33m
two solar panel modules (area 2.5 m2, peak power 516W)
one or two 1200 .. 2400 Wh batteries
parts
electronics
MPPT from several solar panels in parallel (for best performance in shadowing situations), peak power 1032W
two or three switchable battery connections, 72V, 2500W charging, 2500W discharging
motor control, 2500 W output / 2500 W input (for recuperation)
power and communication link from trailer to vehicle
brake sensor input for recuperation before mechanical braking
speed sensor input
rev meter input
torque sensor input
3D accelerometer
USB data and power to mobile device for control app
power/PWM outputs for external and internal lights and optional windscreen wiper
analog inputs for temperature sensors (motor, battery, external, cooling box, ...)
switchable 5V, 12V/24V/48V and USB PD power for comfort functions (notebook charger, cooling box / water heater...)
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