Tandembuzz: And the most energy-efficient in grams per meter per joule. But still only 30 km/h average top speed (less on hills) and 100 kg optimum payload.
Wulff & Morgenthaler
Tandembuzz: And the most energy-efficient in grams per meter per joule. But still only 30 km/h average top speed (less on hills) and 100 kg optimum payload.