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Messages - markmaxwell

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1
Zero Motorcycles Forum | 2013+ / Re: Range experimentation
« on: October 25, 2016, 06:41:22 AM »
I have not looked at this topic for a while. Just thought I would mention my latest range focused adventure. I rode 43 miles to Paradise Valley Cafe near Anza, California. It was some state highways at 55mph and some mountain twisties. the wind was mostly at my back going up in elevation about 3,000 feet. I intended to recharge while I had lunch at the cafe. There would only be a wall outlet and I would need to carry charge cords in a back pack for any other options, so I did not bring anything other than a 10' 14AWG 110v power cord. (I recently purchased it on Amazon for $10.72) It fits nicely in the tube where the swing arm pivots on my 2016 DS13. Unfortunately the restaurant was closed. I could not refuel myself or the motorcycle. The battery was right at 50%, and my experience has been that headwinds suck more power than hills. I stopped at a Chevron station, and they agreed to let me plug in while I had a cup of coffee and a snack.  It took about a half hour to build back to 50% from the 46% I was at. [Luckily I enjoyed a conversation with three Brits on Triumphs who were spending four months traveling from NYC to Miami via Seattle and San Diego.] I did take a slower back road home and was at 10% power when I arrived. That was 50% in 43 miles going out, and 44% in 47 miles heading back. The difference in speed explains the difference in range, but going slow is dangerous!

2
Zero Motorcycles Forum | 2013+ / Re: Range experimentation
« on: October 08, 2016, 01:37:14 AM »
OK, I probably do not have a problem with the battery.  The range is still disappointing.

Has anyone added batteries carried where saddle bags would go? I do not see a product like this on the Zero website.  I would like a pair of battery packs with an enclosure on top that is big enough to store cords and adapters. They should also be wired to the monolith to be integrated as part of the power supply. Two 3.3kw modules would add 50% to my range and improve my options for recharging.

I think a fairing would help, and maybe my bike needs lubrication; it does squeak a lot.

3
Zero Motorcycles Forum | 2013+ / Re: Range experimentation
« on: October 07, 2016, 04:57:57 AM »
I have not purchased the kill-a-watt meter yet, so it is still a guess about how many kwh are being used while charging. 
I did verify that the percentage on the app matches the percentage on the display.  I used 27% on my ride this morning.  It took one hour and nine minutes (1:09) to fully recharge at 240V.
The app indicated 12.064 kwh available at 100% before starting the ride, and 11.98 kwh available when it was back to 100% after charging. Isn't it supposed to be 13.0 kwh available at 100%?

4
Zero Motorcycles Forum | 2013+ / Re: Range experimentation
« on: October 03, 2016, 12:37:24 PM »
Thanks oobflyer. It has only been warm where and when I have been riding 65 - 95 degrees Fahrenheit.

NEW2electric, I did not know that such a meter was available. It will help my investigation.

5
Zero Motorcycles Forum | 2013+ / Re: Range experimentation
« on: October 03, 2016, 07:26:32 AM »
When I ran it down to 0% (according to the dash display) I plugged in to my level 2 charger, and I think it was fully charged in less than 3 hours, but I did not check it during the process.

6
Zero Motorcycles Forum | 2013+ / Re: Range experimentation
« on: October 03, 2016, 07:23:06 AM »
Which digits are "significant"?
Charge times do seem pretty quick for 13 kwh, but I never actually timed the recharge.

If you don't want to share the last 4 for privacy... that is fine.

The rest have bearing into the configuration you have.
[/quote]

VIN: 538SD9Z21GCB0****

7
General Discussion / recharging in rural areas
« on: October 03, 2016, 07:14:35 AM »
I purchased my Zero DS with the Charge Tank.  It gives me a 240V level 2 connection. I can use any public charging station with a J1772 connector.  I thought it would allow me to travel anywhere in the USA as long as I don't mind waiting a little while to recharge several times a day.
I have used it around town and it worked great. I do have a range issue that I discussed under a different topic, but the problem is that there are so few public charging stations outside urban areas that I cannot escape urban coastal southern California for more than an hour or two. 
Does anyone have any ideas or experience with recharging in rural areas?  I am especially interested in riding in East San Diego County in the near term.  Eventually, I dream of riding from Cabrillo National Monument in San Diego to Bar Harbor Maine.
I have the Blink app and the plug share app.  By the way, I contacted Blink about a station that has been down for months; it seems that the power company that provides electricity to that station disconnected it because it was drawing too much power for the local infrastructure at times.
I did also purchase a portable J1772 charge cord and adapters that allow me to use the following outlets: NEMA 6-20, 6-30, 14-30, 14-50, 14-60, and of course, the 110v cord that came with the motorcycle.
Thanks for any ideas.

8
General Discussion / Re: Welcome!
« on: October 03, 2016, 06:47:02 AM »
Thanks for starting this forum.
I rode from age 16 to about age 35. My first motorcycle was a YL100, a 2 cylinder 2 stroke 100cc street bike. I graduated to a Kawasaki KZ400 after moving to California.  Eventually I traded that in for a KZ550.  After several near collisions while commuting I gave up riding for 30 years.  I did ride borrowed motorcycles occasionally, but I never stopped longing to be out riding through the twisties.
As of July 6, 2016, I became a motorcycle owner again when I purchased a Zero DS with the 13.0 kwh battery monolith. I am relearning how to ride and overcoming the survival reactions.

9
Zero Motorcycles Forum | 2013+ / Re: Range experimentation
« on: October 03, 2016, 06:23:29 AM »
markmaxwell

Can you share the significant digits of your VIN?

Though with 2015's the look ups are wrong on the battery size... it might help inform discussion.  So don't let that make you think you've got the wrong battery in the monolith.

Also Charge times could guide to battery size, as will using the App for more precise state of Charge review.

The App has "Watts per Mile" however calculated will allow for comparative to riding style, average speed and drag.

"Eco" mode won't really impact highway driving.  It reduces available torque, and tinkers with regeneration but holding at highway speed "Eco" won't matter.

Which digits are "significant"?
Charge times do seem pretty quick for 13 kwh, but I never actually timed the recharge.

10
Zero Motorcycles Forum | 2013+ / Re: Range experimentation
« on: October 03, 2016, 06:19:41 AM »
Were you going by the dash, or the app? I believe that I read somewhere that once on "E", you still had 20% to 25% battery left.
If using the app, it would probably be much closer to true capacity.
I was going by the dash.  Except for setting the custom parameters, I have not found the app to be very useful. I would not have my phone out when riding and it looses the Bluetooth connection when I am more than about ten feet from the motorcycle.  Perhaps this is a time that it would prove useful.

11
Zero Motorcycles Forum | 2013+ / Re: Range experimentation
« on: October 02, 2016, 04:09:05 AM »
I have had my Zero DS13 for 3 months, and have not had the same experience that I am seeing in this thread.  My range seems close to the 9.8kwh version of the DS, but even then, I sometimes come up short. I do not have an in town comparison, but on the freeway at 65-70 mph in Eco mode it required recharging to make it home after 32 miles. I estimate the freeway range at 56 miles.
Several days ago I sent the following to Zero Inc (they have not responded yet):
I recently rode through town about 5 miles and out a country highway for 34 miles. The ride was steady at 55 mph except for slowing down for curves in the road and accelerating gradually back up to 55 mph. There was a net gain of 2,000 feet in elevation going out, so I figured that I was safe to make it back if I turned around at 50% power.
Although I drove with the same gentle acceleration and at slightly slower speeds on the return trip, I was down to 0% power after a total of 75 miles (68 miles highway and 7 miles in town).  I was able to continue for the last 3 miles with 0% power on the display, but I still had full power for acceleration and maintaining speed for those last three miles through town.
It is possible that the reduced range going mostly down hill on the return trip was due to wind direction.  In any event, my range is very close to what would be expected with a 9.8 kwh battery pack. I suggest that there is either a battery module missing or one is not connected.
I thought of one other possibility.  If the on board computer calculates the remaining range based upon the energy used, it could be that the settings in the computer are for the 9.8 kwh battery back even though there is a 13.0 kwh battery pack on board. Is this possible?

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