Jay Leno takes the A2B Electric Bicycle for a spin (video)
Jay Leno's Big Dog Garage gets a hands on test of the A2B electric bicycle. Jump to the Big Dog Garage Page to see Leno's other videos.
Jay Leno's Big Dog Garage gets a hands on test of the A2B electric bicycle. Jump to the Big Dog Garage Page to see Leno's other videos.
See the updated links & maps of e-bike battery retailers online.
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Take a tour across the Golden Gate and over to Sausalito on the UltraMotor A2B E-bike. Electric bikes are an excellent way to see the city without breaking a sweat. Electric Bike Tour Company currently offers $10 off the tours. Tours start 10:00 am and cover 8 miles (13km) to Sausalito.
http://www.electric-bike-tours.com/
The result you will achieve is an electric bike with the batteries hidden inside of the frame and top unlimited speeds pushing 70km/h (43.5mph). The Grace electric bicycle developed by Michael Hecken features a 1,300 Watt electric motor and can be customized in different configurations to suit your needs. This high-tech bit of kit will set you back €5877 (somewhere near $8,800). We want one.
Specifications: http://www.grace.de
31 kg total systems weight (68 lb)
Energy consumption: 11.7 AH capacity, with 48V lithium ion battery pack
Charge time: 1 hour
Engine: 1,300 Watt electric, integrated in back wheel
Lights: fully integrated system
Maximum speed: 45 km/h (28mph)
Range: 40 kilometres (25 miles)
This interesting article covers the basics of ebiking in Shanghai.
For the first trip I wanted to start with a normal pedal bicycle then hopefully return later to experience an E-bike. Here are some details of what I learned.
Cheap Bikes
Utility
One type of E-bike that stands out is the "heavy-load" E-bike. It is a normal SLA battery e-bike with a strong frame and basic pedals. They are very heavy and sometimes have big motorcycle-like front forks.
This was just a quick run to test a different GPS tracking app, make the initial trip on a new LiFePO4 pack and scout out this route. There was quite a lot of wind, but still a decent location to make up & backs. There is nice scenery and not too many cars. We will try to make more complete runs after the Asia trip.
Coming from high-performance sport bikes, I still find going in the low double digit speeds fun. More turns would be nicer, but you can't have everything. Music was added to the clip so as not to put anyone to sleep. The full trip video can be found here.
The bike was set up with unlimited Amps and Speed. The App is MotionX :
http://news.motionx.com/category/motionx-gps/
The full version of the video available here:
http://www.youtube.com/watch?v=lN7TaVt1Edg
Full GPS data and map available:
http://www.trailguru.com/wiki/index.php/Track:97XA
Quick Stats
Distance: 2.22 miles (3.57 km)
Avg Speed: 23.49 mph (37.8 km/h)
Max Speed: 33.43 mph (53.8 km/h)
Avg Pace: 02:33 mins/mi. (01:35 mins/km)
Min Elevation: 403 ft (123m)
Max Elevation: 456 ft (139m)
Total Ascent: 62 ft (19m)
Total Descent: 68 ft (21m)
I was recently in Köln, Germany for a few weeks and decided to rent a bicycle to get around. Here are my thoughts and experiences from a American E-biker's perspective.
RAD Wechsel
There was a huge bike shop nearby but my bike was rented from a small bike shop called RAD Wechsel. The guy there was very nice and the girl working the register seemed excited to help. They had a few interesting looking yellow bikes as rentals, so I gave it a try.
A motor-only ride down an interesting section along the water tributary. Amps limit set at 20A and riding was full throttle. It needed the full 20A just go 24 mph (38.6 kph) because of a very strong head wind. On the return it was possible to go 27-28 mph (43.5-45 kph) with only 10A!
We received a 35A controller and will install it after the upcoming Asia Field Trip. The cables need to be modified as they are all too short for this bike! (See full GPS results here)
After some hard work, the web store has been launched with some products and detailed information. Shopping cart functionality is being developed. More products are soon too be added as well as much more information. Many people have been asking for certain items and those products are being sold on the eBay Store. Sign up for the mailing list and we will send you email updates when we the checkout is functional.
GPS Map: http://www.trailguru.com/wiki/index.php/Track:5C16
This is the repeat of the 7mile trip on 25/03/2009 to the warehouse. This time my plan was to do minimal pedaling and go as fast as possible on the motor alone. The average speed was 22.8mph / max 31mph. Most other E-bikes top out at 15mph. I arrived around 19min which beat my target time of 21min. I would have arrived faster if i did more pedaling on the very hilly section, but the difference would be quite minimal (less than 60 seconds estimated) I never dropped below 15mph, which was the AVERAGE of the last trip. With the powerful motor, it really feels like you are always going downhill both ways.
It was very windy and quite cold today. The headwind was incredible and switched to a cross wind once I got on the 125. I needed to tuck down on some of the windiest section.
I was using the 48V 15Ah battery with limitations set at 23A and no speed restrictions. I used very little pedaling limited to the very strongest hills of Olympic Parkway. Its difficult to contribute any pedaling above 20mph and the average speed was already 23mph.
The max speed was about 31mph, there was a jump in the GPS tracks which shows 41mph for a brief period. This happens when it looses the signal for a second then picks it up again. It thinks I slowed down then cleared that gap in an instant and briefly displays a high speed. Average speed is not likely changed.
The trip by car takes 12-15min and the toll is about $4.00 cash, I felt safe as there are very wide bicycle lanes on the toll road. I think 5 min of extra time is not worth the $4 and no exercise. I believe I could arrive in 16 min-something under ideal conditions. On the return trip I dialed back the assistance and reduced the average speed it took 26min going a slightly longer route.
Tracks from the first test:http://www.trailguru.com/wiki/index.php/Track:54LRGoal was maximum efficiency.
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