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Messages - spinningmagnets

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1
Home Brew / Index of E-Motorcycle conversions
« on: March 28, 2021, 06:06:57 AM »
Here's an index of builds, looks like it might fit in this sub-section. Endless-sphere dot com E-Motorcycle section...

https://endless-sphere.com/forums/viewtopic.php?f=10&t=110633

2
Home Brew / Super-moto using Zero 75-7 motor and Mobipus 72600 controller
« on: November 25, 2018, 01:50:04 AM »
Sketch Coleman is from Australia, and here is an article on his conversion of a Honda CRF 250X dirt bike into a super-moto street racer.

http://electricmotorcycle.com/sketch-50kw-supermoto/

3
Electric Motorcycle News / Re: Zero technical history article
« on: October 21, 2018, 12:32:21 PM »
Farasis made new cells to Zero's requested specs. In this way, Zero played a key role in The success of Farasis. Luke Workman was the senior battery design engineer at Zero for over four years, and it was during the time that Zero and Jackson Edwards from Farasis worked together to design the pack that Zero now uses.

Farasis had great engineers and quality products, but they didn't make these particular cells until Zero asked them to, and also partially funded the development, with a commitment to purchase a Minimum Order Quantity (MOQ). It would be a mistake to assume that Farasis was making these battery packs, and nobody was buying them until Zero came along.

Also, having a simple drive system may not seem like an advance, but Brammo had a six speed transmission, Zero has none. I forget which electric motorcycle is working on a 2-speed transmission, but Zero has fantastic performance with none. Less complexity, less weight, lower price.

Zero's motors ran cool enough in 2013, but later they changed to an IPM design in 2017 that ran even cooler. It may not seem like an "advance", but it reinforces their decision to use an air-cooled motor, instead of liquid-cooling. There's no reason that this motor can't last 300,000 miles, and then you'd only need to replace two bearings and a gasket.

Maybe there's nothing about Zero that is truly an "advance", but...it's a great design and I don't see anyone else who is copying their design principles. Alta makes a better-performing off-road electric motorcycles, but they are more complex, and more expensive.

4
Alta Motorcycles / Re: List of Alta-specific parts to stock up on
« on: October 19, 2018, 09:44:44 PM »
Here's a post from another forum

"Just the chain slider, rear fender and radiator shrouds. Everything else is either KTM SXF specs such as sprockets and brake pads, YZF 450 for footpegs, and 2009 CRF450 front fender. The headlight lamp assembly can be replaced with about anything."

5
Alta Motorcycles / Re: Alta web article, corrections and additions?
« on: October 19, 2018, 04:05:47 AM »
Thanks for taking the time to respond. I will dig into this on my next day off...

6
Alta Motorcycles / List of Alta-specific parts to stock up on
« on: October 19, 2018, 04:02:58 AM »
Today's big news is that there are some questions about Alta's near future. It's my understanding that Alta has temporarily stopped production, pending a variety of issues about business deals that may or may not be in the works. But...that is not what this discussion thread is about.

Clearly the tires, brake pads, chains, and sprockets are all general purpose items that will remain available for all current Alta owners. My question is...What parts are normal wear items, and are Alta-specific?

I am certain that many Alta owners do not post or read this forum, so we can't help them. However, if you own an Alta, and you do read this forum, perhaps the Alta owners here can share some info on normal wear items that can be purchased right now because they are collecting dust on the shelf of a warehouse? Here is a quote from ES:

"...That's strange, I just ordered a coolant adapter to flush my coolant yesterday, I was advised it will be here within a few days..."


7
Electric Motorcycle News / Re: Zero technical history article
« on: October 17, 2018, 04:19:06 AM »
Hi, I'm Ron. Thanks for posting the link. I have a thick skin, so anyone who reads this, feel free to scream at me for blatant mistakes. I will definitely take any suggestions under consideration. I hope everyone believes me when I say that my heart is in the right place. I still have several credits that I have to add...

8
Electric Motorcycle News / Re: Power in Flux book review
« on: October 09, 2018, 10:46:47 AM »
Bought the book, paid full price...I loved it, worth every penny.

9
Electric Motorcycle News / Re: Zero Motocycles' new logo
« on: October 09, 2018, 10:05:26 AM »
Looks like it would make a decent belt buckle. With a small amount of tweaking to the "buckle" logo, I'll bet I can get it to pop off bottle-caps...

10
Electric Motorcycle News / Re: Kalashnikov SM-1
« on: October 09, 2018, 10:02:58 AM »
I poked around to find anything that I could, and assembled all of it here:

https://electricmotorcycle.com/kalashnikov-making-an-electric-motorcycle-the-sm-1/

11
Zero Motorcycles Forum | 2013+ / Re: New Zero article, corrections?
« on: August 05, 2018, 05:28:49 PM »
Thank you all for the responses. They will definitely be helpful.

12
Zero Motorcycles Forum | 2013+ / Re: New Zero article, corrections?
« on: August 04, 2018, 08:10:33 AM »
Thanks, Richard, I appreciate the help.

13
Home Brew / Custom from Finland, by Teemu Saukkio
« on: August 04, 2018, 07:51:22 AM »
I hope this is the right section for something like this.

https://electricmotorcycle.com/rmke1-custom-finland/


14
Zero Motorcycles Forum | 2013+ / Re: New Zero article, corrections?
« on: August 03, 2018, 09:33:36 PM »
"I once traveled for 100 miles on a single charge using the Zero-modified Motenergy ME0913 brushless motor and reliable EIG batteries."

Richard230, Do you (or anyone else) have links to pics of the 2011/2012 motor? If you can help me with this, I would gladly add your web-name to the link in the upcoming article on the Zero motorcycles tech history...

Ellipses? I prefer to write as I talk and think (*minus the drooling and restraining orders). A comma has a certain amount of pause, but an ellipse?...(*hesitates slightly to look off into the distance, while collecting his thoughts, scratching his chin while sipping a Cuba Libre, in order to find the best possible words to describe what he is desperately trying to convey...).

Should I use fewer ellipses? Should I use more commas? (*and what about superfluous question marks??) Perhaps I should embrace a more Hemingway-esque style of communication, with many short sentences, punctuated by insouciant periods? Perhaps...a bad style of communication is sometimes better than no style?  (*glances over to the ancient 12-ga shotgun, ponders my upcoming electroshock treatments, but decides...not today, my cold friend...not today)

15
"And BTW, charging to 100% just before a trip is fine.  You just don't want your battery to spend much time there"

This is the key. Nobody wants to feel like they need to spend hours charging up just before they ride simply to get the best pack life. However, even when a buyer has the largest pack available by Zero, do they ride the max miles on every trip? Of course not.

If you are nearing a dead pack at the end of a ride, you have gotten all of your money's worth out of the extra price of a larger pack. That being said, most times you will likely only use half the packs capacity. If you ride to 70% (or less) of your pack's capacity on a daily basis, you have options. If you charge to 80% at the end of the day, then...you might double the pack life of your expensive investment. Definitely a GREAT Return On Investment / ROI.

When I wake up in the morning, I often eat some breakfast, along with the first cup of coffee. Maybe change up your routine to take the pack that you charged overnight to 80% and set it to charge to 100% while you eat breakfast. If you truly only use 70% of the packs range each day, then...you could get to work with no extra charging at all, right?

The extra charge between waking up and when you actually start riding is simply a bonus, in order to add a safety margin to your range.

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