Search found 3184 matches

by MitchJi
Jul 10 2020 12:32pm
Forum: E-Bike General Discussion
Topic: Ebikes are much safer than non-assisted bikes
Replies: 17
Views: 369

Ebikes are much safer than non-assisted bikes

https://electrek.co/2020/07/10/new-data-shows-e-bikes-are-safer-offer-less-risk/ here at Bikmo we are hugely proud to announce a 25% cut on our electric bike premiums. Believing firmly that e-bikes play a central role in the future of cycling, we want to lead the way in encouraging more people to di...
by MitchJi
Jun 29 2020 12:11pm
Forum: Large EV General Discussion
Topic: Help,wanted ZENN
Replies: 1
Views: 159

Help,wanted ZENN

Hi, I’m disabled and can do nothing. We have a ZENN that my,wife took in and had new tires installed and since then it has no power, too speed of about five mph. Id really appreciate it if someone could check it out and hopefully fix it. I hope it’s something simple. It’s parked at a friends house i...
by MitchJi
Jun 23 2020 9:52am
Forum: E-Bike General Discussion
Topic: Gates announces three ebike drive belts
Replies: 3
Views: 188

Gates announces three ebike drive belts

[Url]https://electrek.co/2020/06/22/new-gates-products-better-cheaper-belt-drive-e- [/url Gates announces a series of belt drive products for two-wheelers this summer attempting to get more riders than ever on belt-drive bikes. The new products include options that could greatly increase the accessi...
by MitchJi
Jun 23 2020 9:38am
Forum: Battery Technology
Topic: Tesla battery day announcement
Replies: 17
Views: 413

Re: Tesla battery day announcement

Hillhater wrote:
Personally, i do not see the improved “million mile” battery as a huge benefit to the EVs..(.unless it is dramatically cheaper ?)...who wants a car battery to last 10-15+ years.

Robotaxis and v2g.
by MitchJi
Jun 22 2020 10:08am
Forum: Battery Technology
Topic: Tesla battery day announcement
Replies: 17
Views: 413

Tesla battery day announcement

https://twitter.com/elonmusk/status/1274902689533444097?s=21 Tentative date for Tesla Shareholder Meeting & Battery Day is Sept 15. Will include tour of cell production system. I believe that they will show a battery production line or lines with a comment like This is a full line that is producing ...
by MitchJi
May 18 2020 1:09am
Forum: Battery Technology
Topic: Affordable super caps for grid storage and EVs?!
Replies: 4
Views: 120

Re: Affordable super caps for grid storage and EVs?!

Email from Luke

If they did it using a laminate including carbon nanotubes, it's likely grown layer by layer ALD/CVD style, and works but costs a ton to make and isn't scaleable.
by MitchJi
May 17 2020 6:53pm
Forum: Battery Technology
Topic: Affordable super caps for grid storage and EVs?!
Replies: 4
Views: 120

Re: Affordable super caps for grid storage and EVs?!

https://onlinelibrary.wiley.com/doi/abs/10.1002/eem2.12083 Reference: “Exceptional rate‐capability from carbon encapsulated polyaniline supercapacitor electrodes” by Ash Stott, Mehmet O. Tas, Elaine Y. Matsubara, Mateus G. Masteghin, Jose M. Rosolen, Radu A. Sporea and S. Ravi P. Silva, 28 April 202...
by MitchJi
May 17 2020 6:43pm
Forum: Battery Technology
Topic: Affordable super caps for grid storage and EVs?!
Replies: 4
Views: 120

Affordable super caps for grid storage and EVs?!

https://scitechdaily.com/fast-charging-super-capacitor-technology-unveiled-for-clean-energy-storage/ If it’s true it’s huge. Excerpt below: Experts from the University of Surrey believe their dream of clean energy storage is a step closer after they unveiled their ground-breaking super-capacitor te...
by MitchJi
May 16 2020 10:09am
Forum: E-Bike Non-hub Motor Drives
Topic: NuBike Drive System adding a motor?
Replies: 1
Views: 169

Re: NuBike Drive System adding a motor?

This bike seem like it has potential as a high power ebike. Four speed high strength gears. If someone can figure out how to connect the motor. http://nubikemfg.com/about_us/ When Rodger Parker saw riders struggling with greasy chains to fix a flat, he thought there has to be a better way. When he s...
by MitchJi
May 16 2020 9:40am
Forum: E-Bike Non-hub Motor Drives
Topic: NuBike Drive System adding a motor?
Replies: 1
Views: 169

NuBike Drive System adding a motor?

244DhqJKpmA Again, thank you for your interest in placing an electric motor on NuBike, but presently we're just focusing on manufacturing the existing models. The high-end Road Bike version of NuBike won't be available until we acquire the funding necessary to manufacture in numbers large enough to...
by MitchJi
May 10 2020 6:22pm
Forum: E-Scooter and Motorcycle General Discussion
Topic: 80kw emotorcycle HUBLESS with 735 ft lbs of torque
Replies: 0
Views: 425

80kw emotorcycle HUBLESS with 735 ft lbs of torque

https://electrek.co/2020/05/07/verge-ts-electric-motorcycle-new-photos-tron-rmk-e2/ [/ectrek has been following the story of the Verge TS electric motorcycle since 2018, when it was just a single rough prototype of a wild new electric motorcycle. Now the Finnish company Verge Motorcycles is showing...
by MitchJi
May 04 2020 10:02am
Forum: Battery Technology
Topic: My pdf speculation about Tesla’s upcoming battery day
Replies: 3
Views: 330

Re: My pdf speculation about Tesla’s upcoming battery day

massively improve production rates/efficiency...which they have so far failed to do in the GF, which has yet to meet its original 35GWh /year planned production target, Tesla is now producing about 50gwh. So producing 2-0TWh per year is simply unrealistic without some unimaginable changes Unimagina...
by MitchJi
May 04 2020 9:49am
Forum: Battery Technology
Topic: Sandy Munro Tesla MY pack teardown added a 4th video
Replies: 5
Views: 428

Re: Sandy Munro Tesla MY pack teardown added a 4th video

Fourth video, explanation of cylindrical vs pouch vs prismatic
Thanks aw, I got it finally!
by MitchJi
Apr 10 2020 9:02am
Forum: Motor Technology
Topic: Sandy Munro Model Y:New video more MY Motor info
Replies: 1
Views: 257

Sandy Munro Model Y:New video more MY Motor info

Hi,

Summary of the motor technology’s of the EV industry, supposed to be comparing, the mmm and the MY but he does a nice comparison of most OEM’s EV motors (Leaf, ipace, i3, bolt,...) etc.
by MitchJi
Apr 01 2020 4:02pm
Forum: Battery Technology
Topic: Sandy Munro Tesla MY pack teardown added a 4th video
Replies: 5
Views: 428

Sandy Munro Tesla MY pack teardown added a 4th video

Sandy Munro has started the Tesla MY teardown at munrolive.com.

https://munrolive.com/

Quite a few short videos already posted. I’m looking forward to the one(s) about the wiring harness.

by MitchJi
Mar 31 2020 10:16am
Forum: E-Vehicles General Discussion
Topic: Motortrend article with tons of info about Tesla’s Cybertruck
Replies: 111
Views: 9550

Re: Motortrend article with tons of info about Tesla’s Cybertruck

Maintenance... As i said, many manufacturers offer “capped price “ servicing for the duration of the warranty period ( 3,-5, even 7 years !) for example , Toyota service fees are capped at Au$140 (US$100) per year. Also its common to be offered “free servicing” when negotiating a new car sale If yo...
by MitchJi
Mar 04 2020 6:29pm
Forum: Motor Technology
Topic: Reasons for Tesla’s using custom module design in M3 inverter
Replies: 2
Views: 330

Re: Reasons for Tesla’s using custom module design in M3 inverter

Implies that for diy EVs using parts from a Tesla M3 is required for the best possible performance.
by MitchJi
Mar 04 2020 1:11pm
Forum: Motor Technology
Topic: Reasons for Tesla’s using custom module design in M3 inverter
Replies: 2
Views: 330

Reasons for Tesla’s using custom module design in M3 inverter

https://chargedevs.com/features/heres-why-tesla-transitioned-to-a-semi-custom-power-module-design-in-model-3-inverter/ A closer look at semiconductor packaging considerations in EVs One of the most critical decisions to be made at the earliest stage of designing a new power converter concerns the p...