Search found 682 matches

by RLT
Jun 27 2019 3:36pm
Forum: General Discussion
Topic: Oregon deputies pull out 57 electric scooters, bikes out of Portland river
Replies: 3
Views: 447

Oregon deputies pull out 57 electric scooters, bikes out of Portland river

This is not your average "catch of the day." A sheriff's office in Oregon recently disclosed it hauled dozens of electric scooters and bicycles out of a major river in Portland. The Multnomah County Sheriff's Office said Wednesday on Twitter the department's dive team recovered a total of 57 scoote...
by RLT
Jun 20 2019 8:43pm
Forum: Items Wanted
Topic: Cycle Analyst V3 Adapter
Replies: 0
Views: 217

Cycle Analyst V3 Adapter

Anyone have an extra one of these?
CA3_AdapterSm.jpg
CA3_AdapterSm.jpg (23.71 KiB) Viewed 208 times
Price including shipping to 88355 USA?

Thanks!
by RLT
Apr 26 2019 8:25pm
Forum: E-Scooter and Motorcycle Photos & Videos
Topic: Denzel 72v 4-spd Gearbox Build DB17
Replies: 56
Views: 4107

Re: Denzel 72v 4-spd Gearbox Build DB17

Thanks for the regular updates. This is a very interesting project to me.
by RLT
Oct 08 2018 5:49am
Forum: E-Bike General Discussion
Topic: Riding with night vision
Replies: 24
Views: 976

Re: Riding with night vision

flat tire wrote:
Oct 08 2018 5:16am
...... a solid headmount is a must.
I'd also need a solid head. Mine is just a thin shell, with squishy stuff in it.
by RLT
Oct 08 2018 12:42am
Forum: E-Bike General Discussion
Topic: Riding with night vision
Replies: 24
Views: 976

Re: Riding with night vision

I have several types of night vision devices, including thermal, (for other purposes)... I hate even walking with it. I can't imagine trying to ride a bicycle on a mountain trail with it.
by RLT
Sep 26 2017 1:08pm
Forum: Battery Technology
Topic: Battery Space 20AH Prismatic LiFePO4 tests
Replies: 66
Views: 10134

Re: Battery Space 20AH Prismatic LiFePO4 tests

You are welcome Ian. They seem to be pretty tolerant batteries. I haven't cycled any of them a whole bunch of times but at least their shelf life seems to exceed everyone's expectations. I wish I had known about 'storage charge' when I put the ones away three years ago fully charged.. If you can aff...
by RLT
Sep 26 2017 4:32am
Forum: Battery Technology
Topic: Battery Space 20AH Prismatic LiFePO4 tests
Replies: 66
Views: 10134

Re: Battery Space 20AH Prismatic LiFePO4 tests

And another update: After extensive tests of the 16 S pack that had been accidentally discharged down to around .35 V per cell (Turned out my controller had about a cup of water in it from a long, nearly horizontal rainstorm... water must have run down the wires and seeped through the silicone seal....
by RLT
Sep 26 2017 3:34am
Forum: Motor Technology
Topic: Mystery 18-FET controller
Replies: 16
Views: 2891

Re: Mystery 18-FET controller

OK I finally got the photos ready to show the details of the inside of the controller, if anyone is interested: (This is for the 1500 watt controller rated for both 48V and 72V.... I've only tried mine at 48 V (57.8 Hot off charger) Below each thumbnail is a link to a higher resolution image so as t...
by RLT
Sep 11 2017 4:17am
Forum: Motor Technology
Topic: Mystery 18-FET controller
Replies: 16
Views: 2891

Re: Mystery 18-FET controller

I think I may have tracked down the source of this controller: http://www.focancontroller.com/index.htm https://www.aliexpress.com/store/group/18-mosfet-1000W/1045372_509289016.html?spm=2114.12010108.0.0.7d847a7XpcDHg I have a bunch of detailed photos of the insides of the controller, that I'll post...
by RLT
Aug 24 2017 11:11pm
Forum: General Discussion
Topic: lithium battery still fully charged after 24 months
Replies: 3
Views: 674

Re: lithium battery still fully charged after 24 months

Yep. I've been retesting some LiFe Cells : 20Ah Battery Space (GBS) Prismatic cells that were put away 3+ years ago, fully charged, and Headway 10Ah cells that were put away fully charged over four years ago (maybe 5+) All of them so far (14 Battery space and 10 Headway cells tested so far) have bee...
by RLT
Aug 16 2017 12:38am
Forum: E-Bike Technical
Topic: My bike suddenly goes backwards
Replies: 8
Views: 959

Re: My bike suddenly goes backwards

If the controller has a self learning function, make sure that it is not enabled (usually two white wires with black connectors, plugged into each other)
by RLT
Aug 13 2017 8:45pm
Forum: Motor Technology
Topic: Mystery 18-FET controller
Replies: 16
Views: 2891

Re: Mystery 18-FET controller

Update. That's interesting... It still doesn't work with the ebike tester, but works fine on a motor. I hooked it up to an old Crystalite 408 motor, and it worked fine.. Didn't even have to mix and match hall and phase connectors even without using the self learn function. Color to color. After hour...
by RLT
Aug 12 2017 8:46pm
Forum: Motor Technology
Topic: Mystery 18-FET controller
Replies: 16
Views: 2891

Re: Mystery 18-FET controller

Have you figured out any more tricks to make this work? Here is the connection diagram supplied by the seller: ConnectionsController.jpeg I just got the 48-72V version and the normal way of connecting things just don't seem to work. Have swapped all the hall and phase wires and throttle wires around...
by RLT
Aug 04 2017 4:01pm
Forum: Items for Sale - New
Topic: New battery deal. Vapor ware battery inc.
Replies: 17
Views: 2499

Re: New battery deal. Vapor ware battery inc.

I'm in the middle of re-testing my batch of 20 AH ones (purchased three years ago) right now. I'm finding it interesting that the ones that have sat on a shelf ( fully charged, DOH! I didn't know abut 'storage charge' back then) are down to about 17.7AH on average, while the ones that have been in o...
by RLT
Aug 03 2017 5:02pm
Forum: Items for Sale - New
Topic: New battery deal. Vapor ware battery inc.
Replies: 17
Views: 2499

Re: New battery deal. Vapor ware battery inc.

At that price, I'd probably buy some, even though I don't need any that big. Heck, if you could get me the 40AH ones for that price I'd be tempted to buy 16 of them right now Investigate shipping requirements for getting them to your customers before you make a decision though; Unless you are just p...
by RLT
Jul 30 2017 12:25am
Forum: E-Bike Build Threads / Photos & Video
Topic: Laprise Board track racer
Replies: 55
Views: 7364

Re: Laprise Board track racer

WOW! So many types of brilliance!!!

Great concept and execution.
by RLT
Jul 21 2017 12:59pm
Forum: Items for Sale - New
Topic: NEW 48 VOLT LIFEPO4 BATTERY CHARGER
Replies: 4
Views: 537

Re: NEW 48 VOLT LIFEPO4 BATTERY CHARGER

OK, Thanks, I'll buy.
by RLT
Jul 21 2017 1:16am
Forum: Vendor Relations Corner
Topic: Hobby King and Lipo batteries
Replies: 6
Views: 1525

Re: Hobby King and Lipo batteries

I bought about 10 each of the 6S and 4S 5200 mah Multi-stars. Two of the 4S packs each had a cell that was weak... usable, but enough that the LV alarm went off when the other three cells were around .25 or .35 V higher, if I remember correctly. I emailed them a couple of images.. One with a CBA tes...
by RLT
Jul 21 2017 12:54am
Forum: Items for Sale - New
Topic: NEW 48 VOLT LIFEPO4 BATTERY CHARGER
Replies: 4
Views: 537

Re: NEW 48 VOLT LIFEPO4 BATTERY CHARGER

I'd be interested...

Have you tested it?

Do you have PayPal?
by RLT
Jul 06 2017 7:10pm
Forum: Battery Technology
Topic: Battery Space 20AH Prismatic LiFePO4 tests
Replies: 66
Views: 10134

Re: Battery Space 20AH Prismatic LiFePO4 tests

Just an update... I finally got around to using some of these batteries... in a 16S configuration for a 3 wheel electric 'pickup' cart. For about five charge cycles they worked fine: An occasional burst of 45 A for maybe 20 seconds at a time, mostly 22-25 A for a minute at a time. and then 15-18 A t...
by RLT
Jul 04 2017 2:30am
Forum: General Discussion
Topic: Nothing like a good electric flying chair!!!
Replies: 1
Views: 353

Re: Nothing like a good electric flying chair!!!

Heh, pretty amazing.
I need one of those to keep my feet from getting muddy when it rains.
by RLT
May 03 2017 2:25am
Forum: General Discussion
Topic: Dogman Dans E bike burns his house.
Replies: 172
Views: 21796

Re: Dogman Dans E bike burns his house.

Dang Dan, Very sorry to hear about the event. Glad that insurance & etc. is working out OK. Lead-acid isn't looking all that bad to me all of a sudden. And motivated right now to put more thought in building a dedicated charging shed with a few hundred pounds of sand above some sort of breakaway cei...