Search found 413 matches

by LeftieBiker
Feb 15 2019 6:27am
Forum: E-Scooter and Motorcycle General Discussion
Topic: chinese e scooter missing battery pack
Replies: 5
Views: 91

Re: chinese e scooter missing battery pack

Sometimes SLA chargers are marked with the Ah rather than the A, because the SLA don't handle overcurrent during charging well (they vent, which dries them out and they fail). So if they print the Ah on the charger the end user just matches the one with the other and no worries about having the wro...
by LeftieBiker
Feb 15 2019 2:48am
Forum: E-Scooter and Motorcycle General Discussion
Topic: chinese e scooter missing battery pack
Replies: 5
Views: 91

Re: chinese e scooter missing battery pack

The AH capacity of the batteries isn't tied to the charger. It's odd to see the output labeled "AH" though, instead of "A" (for amps). Also 12 amps is kind of a high charger output, especially for smaller batteries. You may just be seeing what kind of batteries came OEM with the scooter, with the ac...
by LeftieBiker
Feb 13 2019 6:33am
Forum: E-Bike General Discussion
Topic: Newb Project for Foldable Ebike - Advice needed
Replies: 7
Views: 151

Re: Newb Project for Foldable Ebike - Advice needed

By "gear it lower" I mean use a smaller front sprocket. I'm not an expert on mid drives, but someone should be able to tell you how many teeth you want, after you give the rear teeth count. Yes, you'd be losing the current front sprocket - I think - unless there is in fact a workaround. You'd probab...
by LeftieBiker
Feb 12 2019 4:58pm
Forum: General Discussion
Topic: Electric-Commute
Replies: 6
Views: 143

Re: Electric-Commute

It looks like a folder to me, albeit one with an odd design (which seems to be its reason for existence).
by LeftieBiker
Feb 12 2019 2:05am
Forum: E-Bike General Discussion
Topic: Newb Project for Foldable Ebike - Advice needed
Replies: 7
Views: 151

Re: Newb Project for Foldable Ebike - Advice needed

You definitely don't want a hubmotor - or even two of them - because of their lack of power at high loads at low speeds. The mid-drive means losing the front derailleur, but you shouldn't need it. Make sure you gear the bike what most people would consider too low, because even a mid-drive will be w...
by LeftieBiker
Feb 10 2019 4:20pm
Forum: Large EV General Discussion
Topic: Electric Snow Blower (Gravely)
Replies: 7
Views: 383

Re: Electric Snow Blower (Gravely)

I also have a Toro Powercurve, and I agree it's great - within certain limits. It doesn't handle wet, heavy snow well, or more than 18" of powder. The effort of pushing it makes for a great workout, but I don't always want or need an extreme workout! For years, I've been thinking about a dual power ...
by LeftieBiker
Feb 10 2019 5:20am
Forum: General Discussion
Topic: Electric-Commute
Replies: 6
Views: 143

Re: BMW X2City Scooter is finally coming

Gee, I wonder where the weak point will prove to be...hmm, no - it can't be the front axle where it attaches to that stoopid monofork...
by LeftieBiker
Feb 08 2019 4:30pm
Forum: E-Scooter and Motorcycle General Discussion
Topic: Zero SR
Replies: 17
Views: 595

Re: Zero SR

I got the bike and it had a battery issue. One of the two removable modules was dead. So now they're changing that out while I have another zero. Don't be surprised if the first attempt to repair it isn't completely successful. I too would have minded less if they'd shipped me a loaner bike. ;-)
by LeftieBiker
Feb 07 2019 4:08pm
Forum: E-Vehicles General Discussion
Topic: 10 Kw Homemade Battery powered snowblower
Replies: 8
Views: 250

Re: 10 Kw Homemade Battery powered snowblower

If you aren't getting stuck now, then tire chains might be the cheap, easy "semi-track" option.
by LeftieBiker
Feb 07 2019 7:02am
Forum: E-Vehicles General Discussion
Topic: 10 Kw Homemade Battery powered snowblower
Replies: 8
Views: 250

Re: 10 Kw Homemade Battery powered snowblower

Not too sure the extra weight helps, because trying to maneuver the snow blower would be a challenge around corners, backing up, going forward. Plus it might just dig into the snow more then one wants, but either way the first thought was to install Lithium Ion onto that beast, better yet have a mu...
by LeftieBiker
Feb 06 2019 8:36pm
Forum: E-Vehicles General Discussion
Topic: 10 Kw Homemade Battery powered snowblower
Replies: 8
Views: 250

Re: 10 Kw Homemade Battery powered snowblower

ENNOID wrote:
Feb 06 2019 5:51pm
Yeah probably close to 450lb :lol:
One of the few cases in which a bit of extra weight actually helps.
by LeftieBiker
Feb 06 2019 4:23pm
Forum: E-Vehicles General Discussion
Topic: 10 Kw Homemade Battery powered snowblower
Replies: 8
Views: 250

Re: 10 Kw Homemade Battery powered snowblower

Looks kind of heavy (!) but seems to work great. I'd like to have one.
by LeftieBiker
Feb 03 2019 6:55pm
Forum: Polls & Surveys
Topic: E-Scooter Research Online Participants Needed.
Replies: 3
Views: 127

Re: E-Scooter Research Online Participants Needed.

Since the OP doesn't specify, this survey is for donut wheel type rental scooters.
by LeftieBiker
Feb 03 2019 2:58pm
Forum: E-Bike General Discussion
Topic: Which frame? Really confused.
Replies: 9
Views: 249

Re: Which frame? Really confused.

Bicycles without full suspension aren't worth motorizing except in niche cases which don't include street riding or commutes. A suspension seatpost can substitute for a rear suspension if the roads aren't in bad shape. I have to ride upright, and a bike with marginal reach can be improved by revers...
by LeftieBiker
Feb 01 2019 4:11pm
Forum: Battery Technology
Topic: The "thermal management of LiPo" thread!
Replies: 102
Views: 7801

Re: The "thermal management of LiPo" thread!

Cooling any battery will make it last longer. This, like "using a BMS will make any battery last longer" ignores an important factor: Chinese quality. Many, many people have lost packs early in their projected cycle life because the BMS malfunctioned and killed them. Likewise, a cooled pack becomes...
by LeftieBiker
Jan 31 2019 4:54pm
Forum: Battery Technology
Topic: The "thermal management of LiPo" thread!
Replies: 102
Views: 7801

Re: The "thermal management of LiPo" thread!

Something cheaper, like mineral oil or the lube oil made for hybrid car AC systems might also work (but flammable).
(emphasis added)

PLEASE don't. Just don't.
by LeftieBiker
Jan 30 2019 1:36am
Forum: Polls & Surveys
Topic: When Windows 7 is dead in 2020 what OS will you migrate to??
Replies: 37
Views: 1422

Re: When Windows 7 is dead in 2020 what OS will you migrate to??

I ran XP as long as I safely could. Windows 10 is a f#$king nightmare, and this is the LAST time I run Microsoft ANYTHING. Ever.
by LeftieBiker
Jan 30 2019 1:34am
Forum: E-Scooter and Motorcycle General Discussion
Topic: Zero SR
Replies: 17
Views: 595

Re: Zero SR

flat tire wrote:
Jan 28 2019 7:06pm
Looking into replacing the controller. The bike is pretty tame and I need it to be more wild.
The bike tried to pull my arms from my sockets in Sport mode. You likely rode one in Eco. I used the Custom mode to get 80% of max power. Then it only tried to spit me off the back.
by LeftieBiker
Jan 30 2019 1:31am
Forum: E-Bike General Discussion
Topic: Recognize this?
Replies: 12
Views: 406

Re: Recognize this?

The high-quality, high-capacity Samsung battery for the Smacircle holds up to 1-15 miles on a single charge,
At last: truth in range advertising!
by LeftieBiker
Jan 30 2019 1:28am
Forum: E-Bike General Discussion
Topic: Will the cold winter Shorten the life?
Replies: 14
Views: 426

Re: Will the cold winter Shorten the life?

If you can keep the pack above Freezing (and way above freezing when charging) and within the recommended 20% to 80% (or 100% if charging is finished right before the ride) then you'll be fine. If you can't do ALL of the above, though, store the new pack at about 50-60% and wait for Spring.
by LeftieBiker
Jan 29 2019 2:31am
Forum: General Discussion
Topic: Have you been in the presence of a famous person?
Replies: 20
Views: 493

Re: Have you been in the presence of a famous person?

George H. W. Bush M Was he drunk? Wrong one - you mean Shrub, with no "H." I once met and briefly spoke with Mario Cuomo while I was demonstrating against allowing bear hunts with dogs, and he was Governor of NY. A small group of us went inside the capital building and encountered him in a hallway....
by LeftieBiker
Jan 29 2019 2:28am
Forum: Battery Technology
Topic: Batteries not charging or powering bike. Why?
Replies: 8
Views: 155

Re: Batteries not charging or powering bike. Why?

The first thing to check in a situation like that is the connections - all of them. Or at least every connection that could remove the whole pack from any circuit with the bike and charger.
by LeftieBiker
Jan 26 2019 9:35pm
Forum: E-Scooter and Motorcycle General Discussion
Topic: Zero SR
Replies: 17
Views: 595

Re: Zero SR

I bought a new but Demo 2015 SR in 2016, IIRC. I got in maybe three rides (plus the test ride where I traded it for my Vectrix) because it was riddled with fault codes, including a ground fault code that you are not supposed to ride with. It was fast, it handled great, but it was a POS quality-wise....
by LeftieBiker
Jan 22 2019 10:12am
Forum: E-Scooter and Motorcycle General Discussion
Topic: Bernel's new electric motorcycle build
Replies: 15
Views: 2163

Re: Bernel's new electric motorcycle build

Unless you already have the cells, I'd suggest going with a different battery. Leaf cells aren't up to the task...too saggy for a proper motorcycle build, which means a much shorter life due to higher current draw than they're made to deliver. Better ecar batteries will also fit in a better looking...
by LeftieBiker
Jan 22 2019 6:55am
Forum: E-Scooter and Motorcycle General Discussion
Topic: Knight Electric Motorcycle 5000w
Replies: 52
Views: 1706

Re: Knight Electric Motorcycle 5000w

I think I was right. Same bodywork as ZEV MS, different forks and drivetrain.

https://www.zelectricvehicle.com/m-s-motorcycles


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