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jdh2550_1's picture

XM-2000 by JDH: The Back Story & First Impressions

charging.jpg
My scoot happily charging away...

Today (July 25th, 2007) I got my X-Treme XM-2000. You can check out this [node:1478] for lots of details of the XM-2000.

I got the blue one (which apparently is less popular than the red one - which confirms my suspicions that I don't know squat when it comes to fashion ;) ).

Back Story (or why I got an XM-2000)

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MB-1-E's picture

MB-1-E Part Twenty: Nice Twenty Mile Ride

Today I took a pleasure ride.
I've gained enough confidence in my new creation to go for it and just take a nice ride up to one of our favorite camping spots. Going by car (or pickup, in my case) it's a little over 8 miles from home.
I took some side roads to get there so it was slightly farther than by car.

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MB-1-E's picture

MB-1-E Part Nineteen: Synchronous Belt Drive

Greetings,

I spent the day at Kent's machine shop. Kent has been a friend of the family over the last 50 years or so. He's not only a very interesting person but has,by far, the most interesting machine shop you could possibly imagine.

As I worked on trying to figure out what was wrong with a 1250W inverter that had recently died (Kent lives off grid and has another shop at home, which uses the inverter), he bored my two grooved pulleys so they would fit the 5/8" motor shaft and the 5/8" jack shaft on the MB-1-E.

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MB-1-E's picture

MB-1-E Part Eighteen: The Test Flight

Hi All,

I got my 30 Amp DPDT Switch from Digikey today.
It's a about twice as big as the cheapo switch I got on eBay and looks well made.

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MB-1-E's picture

MB-1-E Part Seventeen: The Cargo Rack arrives

Hi All,

The new cargo rack arrived today.
It looks to be very solidly built and should transport the MB-1-E nicely.
Now I can load up the dogs, head for the backroads and get in some quality Electric Mountain Biking and the dogs can run along.

RacknRamp.gif
The receiver has some slop I need to fix ...
... so you're not imagining things if you see the rack sloping back

Ramp.gif
My handy-dandy DIY ramp

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MB-1-E's picture

MB-1-E Part Sixteen: The continuing saga

Since we last met, I've been riding my MB-1-E all over.
The controller works great now.

I swapped out the hub sprocket.
I did have a 60 tooth sprocket and changed that to a 72 tooth ... What a difference!
I can climb hills now, even the steep ones.
On the steepest of hills, I do pedal to help keep the RPMs up, but it's a dramatic change from the smaller sprocket.

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Chapter Thirteen: It's always something

In chapter twelve I left you with the Blast a block from heaven due to chain adjustment issues. As usual what I expected to be a quick and easy completion to a part of the evolution of the Blast was not. The half link showed up on Saturday afternoon so I went ahead and slipped it on. The chain was still a bit looser than I would have liked but on the stand when running it through the gears both with and without power went without a hitch. So off for a test ride.

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Chapter Twelve: A cheap gear swap, and it helped too

Riding season is finally close to getting seriously underway here and I'm still waiting on Allan to send the new items to test. I've stated before that I need less top end and more climbing assistance so I was thinking. It's a rainy Saturday, so outside chores are on hold. All the inside stuff is caught up so why not do an experiment on the Blast with the motor gearing. My thought was that a lower assist gearing might get the motor more in it's sweet spot and help pull the hills. How to go about it? Whatever has to be reverseable should my logic be off and I put myself on a $40 budget.

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MB-1-E's picture

MB-1-E Part Fifteen: Controller Upgrade

CONTROLLER UPGRADE:

For those of you who have been following my Mountain Bike build, I have decided to upgrade to an Alltrax controller for my Scott 3/4hp motor.

Although not listed on the Alltrax site, they do manufacture an Alltrax model AXE4824, Programmable, 24-48V, 200A Controller.
I found this one at http://www.electricvehiclesusa.com/product_p/co-axe4824.htm
Jeff Lindsey there was very helpful and let me upgrade from the Navitas to the Alltrax.

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MB-1-E's picture

MB-1-E Part Fourteen: The day after ...

Yesterday was my first E-bike ride ...
What a blast!

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