A year after, presenting a first prototype of maxi-scooter electric powered BMW reveals the final version will be available early next year.
After the maxi-scooters C 600 Sport and C 650 GT, launched there just one year, BMW presents a C Evolution Frankfurt electric propulsion. Despite a pronounced family resemblance with the C 600 Sport, the C Evolution is far from being a simple model of the electrified version of the engine. Designed as a full model, it has a unique chassis. Thus, the C Evolution has no part in the strict sense of the term, is the aluminum casing which houses its lithium-ion 8 kWh making office. This element becomes a carrier. The front is grafted a 40mm inverted fork and rear, a single-sided swingarm suspended by a telescopic damper. Like on a traditional scooter, the arm receives the engine and transmission, in this case a synchronous electric machine cooled by water causing the rear wheel via a toothed belt drive and an epicyclic train.
The electric motor of the C Evolution develops a nominal power of 11 kW or 15 hp, making it available to holders of a driving license. Provided they are trained to 7:00 or can attest experience on two wheels or three wheeled motorized. The maximum peak power reaches it, 35 kW 47.5 hp BMW announces better acceleration figures for its thermal models. C Evolution increase from 0 to 100 km / h in just 6.2 seconds, when the C 600 Sport claims 7.1 seconds to win the same event. The electric scooter is heavier (265 kg against 249 kg), but the maximum torque of the engine is 72 Nm 66 Nm against the twin 650 cm3. C Evolution nevertheless tilts speed with 120 km / h instead of 175 km / h, this one is intentionally limited to avoid degrading autonomy.
Handlebar Prototype 2012
Enable us to evaluate the potential of C Evolution, BMW has offered a brief trial run with the prototype presented there a year in the Olympic Games in London. The seat height of 780 mm is comparable to that of the C 600 Sport. The center of gravity is lowered by the introduction of a battery close to the bitumen. This benefits the handling, but the suspension is stiff and basic comfort. BMW told us that it would be corrected in the standard version. Accelerations are tonic but progressive as well managed by a sophisticated electronic. For rainy mornings and graveled path, the C Evolution will also be equipped with a torque limiter ATT acting traction control. Second refinement, the pilot will have four modes to select from the handlebars. A Road fashion offering maximum power and 50% of the capacity for regeneration during deceleration. A pro Eco mode in which regeneration is high, with a gain range of 10 to 20%. A Sail mode or freewheel, for those who prefer to avoid the effect of engine braking during deceleration. Finally a Dynamic mode, as its name suggests, combines maximum strength and regeneration.
On a trial in the countryside route, alternating sequences of frequent acceleration and braking, we found a range of about 80 kilometers. C Evolution would be able to commute in the city, but for “commuters” living in the suburbs, it will check its autonomy on fast track. The full charge will be made in four hours on a household outlet in 12A and 16A on a 3:00. The charging cable plugs provided in a trap located in the left side deck. BMW rightly insists on the fact that the technology implemented advantage of the recently acquired with auto range “i”, particularly in terms of electrical safety experience. An ABS is fitted as standard, as on all BMW, but there will be no coupling between the two braking wheels. For practical aspects, we note a screen informing specifically autonomy, help to reverse, and a small box under the seat that will accommodate a jet helmet, such as a battery with a capacity not only heavy but bulky. It is also expensive to produce and it is largely based on this data that the future of C Evolution. For now, BMW is pleased to announce a limited series production and first deliveries in the first quarter of 2014.
- Motor: Permanent magnet synchronous water-cooled
- Power: 11 kW continuous, 35 kW peak
- Torque: 72 Nm 0-4500 rev / min
- Battery: 8 kWh lithium-ion air-cooled
- Transmission: belt drive and epicyclic
- Seat Height: 780 mm
- Tires: 120/70 R 15 and 160/60 R 15
- Weight: 265 kg
- 0-100 km / h: 6.2 seconds
- Maximum speed: 120 km / h (limited)
- Range: 100 km
- Price: unbound availability Q1 2014