Yuba Mundo Electric. The pack horse.

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Yuba Mundo Electric. The pack horse.

Postby Kiwi » Mon Nov 23, 2009 2:57 am

This will be a backwards post, I will show you the end result fisrt, and the build story later.

Yuba Mundo Cargo bike.
Crytalyte 5305
Crystalyte 72v 40a controller
Batteries 72v 15ah 30amp cont, 40 peak
Cycle analyst.

Onboard chargers.
Top speed 56km/h

We have had two adults and 2 kids on board and gone up hills you would struggle to ride a conventional bike by your self.
Goes great on the flat, easily keep up with the traffic around town.

There are 2 bikes here, the one with the disk on the front is our bike, the tidy looking one I built and sold to a family.

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Last edited by Kiwi on Wed Nov 25, 2009 7:45 pm, edited 1 time in total.
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Re: Yuba Mundo Electric. The pack horse.

Postby DSX » Mon Nov 23, 2009 4:12 am

Hey - what great looking & cool bikes. They really have presence & style.
26"Superstore Steel FS MTB Commuter
Conhismotor HBS 1000W, Ping 48V 20AH 72V Hua Tong controller.
16,600km to date
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Re: Yuba Mundo Electric. The pack horse.

Postby mikefish » Mon Nov 23, 2009 3:48 pm

Very nice! Looks very pro, nice and clean!

Makes me want to rethink about a cargo bike! :D
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Re: Yuba Mundo Electric. The pack horse.

Postby Drunkskunk » Mon Nov 23, 2009 4:16 pm

Stunning.

That looks very professional.
Buy the ticket, take the ride.
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Re: Yuba Mundo Electric. The pack horse.

Postby Crash Machine » Mon Nov 23, 2009 5:33 pm

Nice build. Super clean. :D I've been lookin at the Yuba. How's the 5305 treating ya?
5304 front disc motor/4840 controller on
Mongoose full suspension MTB
48v 10 Ah headway battery/48v 15 Ah Ping battery
Recently completed 2000 mile tour of Southeast United States.
"If you don't stand for something, you will fall for anything."
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Re: Yuba Mundo Electric. The pack horse.

Postby hillbilly » Wed Nov 25, 2009 7:24 pm

Kiwi,

The Yuba Mundo is the bike I'd decided on for a conversion to a serious backroad hill climber, so I'm very interested in the details of your build. Also, can you tell me more about the bike's performance on hills? Did you consider a non-hub drive?

thanks,
Carl
Trek 7300 hybrid - BMC 400 watt V1.0 - Ping 36v 15ah V2.5 - Shenzen 35a controller - Eagle Tree V3 data logger
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Re: Yuba Mundo Electric. The pack horse.

Postby Kiwi » Wed Nov 25, 2009 7:57 pm

The bike climbs very well, with one person you will keep up with cars on a windy climb. With 2 extra kids it slows to about 15-20kmph and you help keep the speed with some pedaling. With 2 adults and 2 kids (170kg) it slows to about 10-15km/hr and you work hard on the pedals to help it along. We are talking hills you would be in your lowest gear on a conventional mountain bike. The motor is hot to touch at the end of a 10 minute climb.

I have though about a non hub motor, but I think that the torque you need to climb will destroy a bicycle drive train in no time.
You would need to use a heavy chain and sprockets.
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