Search found 2333 matches

by agniusm
Jul 10 2019 1:04am
Forum: Battery Technology
Topic: Solderless weldless 36V and 74V batteries could do over 200A
Replies: 54
Views: 2239

Re: Solderless weldless 36V and 74V batteries could do over 200A

Yes. Non issue but mixing different cycle life cells is not the best idea.
by agniusm
Jul 05 2019 1:17am
Forum: Items for Sale - New
Topic: $299 Prototype High Power e-Bike Frame DIY Kit
Replies: 30
Views: 3827

Re: $299 Prototype High Power e-Bike Frame DIY Kit

Neematic copy by the looks?
by agniusm
Jul 03 2019 2:41pm
Forum: E-Bike Technical
Topic: DIY 0-5k throttle
Replies: 13
Views: 467

Re: DIY 0-5k throttle

I'm ditching the cheap, twitchy hall throttle that came with my Chinese electric scooter/moped in favor of a remote POT activate by a good-old, tried-and-true throttle cable. I've ordered one of these from AliExpress: https://www.aliexpress.com/item/Electric-Motorcycle-Scooter-Accelerator-Unit-With...
by agniusm
Jul 01 2019 9:31am
Forum: Items for Sale - New
Topic: N.E.S.E. the no solder module
Replies: 294
Views: 33153

Re: N.E.S.E. the no solder module

john61ct wrote:
Jul 01 2019 6:57am
Nothing in the universe is permanent
...in a humanly sense. If its for a lifetime or most of it, we can call it permanent :)
by agniusm
Jul 01 2019 1:32am
Forum: Items for Sale - New
Topic: 5-16S Smart Tiny BMS preorder - 30/150/750A rated
Replies: 185
Views: 29460

Re: 5-16S Smart Tiny BMS preorder - 30/150/750A rated

Circuit is behind this bms so you could PM him here ;)
by agniusm
Jul 01 2019 1:24am
Forum: E-Bike Technical
Topic: velomobile suspension, advice needed. Build thread
Replies: 50
Views: 6719

Re: velomobile suspension, advice needed. Build thread

What would be maximum didn't you can get through bike path gates ? I would like it as wide as I can. My KMX tadpole trike is 39" wide from front wheel to front wheel. There are some bike paths where I only have about 1-2" of clearance on each side of the bollards. I'd recommend going no wider than ...
by agniusm
Jul 01 2019 1:20am
Forum: Items for Sale - New
Topic: N.E.S.E. the no solder module
Replies: 294
Views: 33153

Re: N.E.S.E. the no solder module

okashira wrote:
Jun 30 2019 7:58pm
Just ordered €242 worth.
Will be very useful for when I want to make some temporary packs and reconfigure later.
You can make permanent packs as well 😉 😀
by agniusm
Jun 27 2019 3:47pm
Forum: Items for Sale - New
Topic: N.E.S.E. the no solder module
Replies: 294
Views: 33153

Re: N.E.S.E. the no solder module

I want to replicate above "test" so video might follow :D
by agniusm
Jun 27 2019 3:46pm
Forum: Items for Sale - New
Topic: N.E.S.E. the no solder module
Replies: 294
Views: 33153

Re: N.E.S.E. the no solder module

Just had this email from a customer, thought i'd share: "Hey buddy. Thought id let you know that your battery holders are explosive safe. Put a battery in backwards a thermal runaway came so quick I barely had time to get it in the protection bag I use but after explosion almost no damage to the uni...
by agniusm
Jun 27 2019 1:19pm
Forum: Items for Sale - New
Topic: Nucular electronics - complete kit for ev! [beta]
Replies: 554
Views: 48524

Re: Nucular electronics - complete kit for ev! [beta]

How does controller power distributes over voltage? Is it linear, say 14S would give 3.2kW nominal on 12F?
by agniusm
Jun 27 2019 11:36am
Forum: Battery Technology
Topic: Building a 20s 14p battery - parallel two 20s 7p VS 20 series of two 7p in parallel
Replies: 2
Views: 209

Re: Building a 20s 14p battery - parallel two 20s 7p VS 20 series of two 7p in parallel

Better parallel then series your pack. This way your 14P group cells will be in balance to each other perfectly. You can split paralleled packs no problem, say 20 modules which would make 10s14p and then another same
by agniusm
Jun 22 2019 4:27am
Forum: E-Bike Technical
Topic: Longtail cargo bike project
Replies: 32
Views: 3539

Re: Longtail cargo bike project

That's good news! The last bike of mine that was stolen, was also recovered (but not the custom trailer that was stolen with it). It was away almost a year and a half. Eventually I rebuilt that bike into a capable e-bike for a friend of mine. I remember you are literate in bike mechanics. What woul...
by agniusm
Jun 21 2019 11:27am
Forum: E-Bike Build Threads / Photos & Video
Topic: Custom KMX recumbent trike with QS205
Replies: 71
Views: 4108

Re: Custom KMX recumbent trike with QS205

I would suggest investing in something like meanwell hlg series led power supply for charging instead of those chinese chargers. I had 3 of them fail in time.
by agniusm
Jun 21 2019 10:52am
Forum: E-Bike Technical
Topic: Nucular Electronics owner's thread (setup infos, FW updates, links etc.)
Replies: 97
Views: 5581

Re: Nucular Electronics owner's thread (setup infos, FW updates, links etc.)

Would be great to have clarification on this. What will work and what most likely damage components. If it boost boosts voltage, and no exactly matched dc source is needed, that would be so awesome. Its a mess having all these different chargers. Wander if i have 2 of these, one running 48v another ...
by agniusm
Jun 20 2019 4:21pm
Forum: E-Bike Technical
Topic: Nucular Electronics owner's thread (setup infos, FW updates, links etc.)
Replies: 97
Views: 5581

Re: Nucular Electronics owner's thread (setup infos, FW updates, links etc.)

Asking for clarification. In the first post on the diagram it says psu or any dc source. I take it has to match pack voltage, not just any dc souce ?
by agniusm
Jun 19 2019 12:16am
Forum: E-Bike Technical
Topic: DIY 0-5k throttle
Replies: 13
Views: 467

Re: DIY 0-5k throttle

amberwolf wrote:
Jun 18 2019 11:41pm
If you need to use a cable-operated hand control to run a throttle, there are a number of "pot box" controls, for ATVs, motorcycles, cars, etc. Both hall and pot versions exist.
Yes, but they are like 50$. I dont want to pay 50$ for a pot.
by agniusm
Jun 18 2019 4:29pm
Forum: E-Bike Technical
Topic: DIY 0-5k throttle
Replies: 13
Views: 467

Re: DIY 0-5k throttle

I'm ditching the cheap, twitchy hall throttle that came with my Chinese electric scooter/moped in favor of a remote POT activate by a good-old, tried-and-true throttle cable. I've ordered one of these from AliExpress: https://www.aliexpress.com/item/Electric-Motorcycle-Scooter-Accelerator-Unit-With...
by agniusm
Jun 18 2019 4:21pm
Forum: E-Bike Technical
Topic: DIY 0-5k throttle
Replies: 13
Views: 467

Re: DIY 0-5k throttle

Ok, will ditch pot throttle. Just found out that my controller has hall throttle support. Its industrial navitas tpm400
by agniusm
Jun 18 2019 8:21am
Forum: E-Bike Technical
Topic: DIY 0-5k throttle
Replies: 13
Views: 467

DIY 0-5k throttle

Anyone done or seen diy 5k throttle? Looking to make one and need reference. Pots are cheap, throttles are not so i thought why not build one. I need it for lawn mower ehich has cable throttle. I do have 3d printers so its easy to make something. Which pot do i need? I bought linear motion 10K pot w...
by agniusm
Jun 17 2019 5:00am
Forum: E-Bike Technical
Topic: Longtail cargo bike project
Replies: 32
Views: 3539

Re: Longtail cargo bike project

The end came to a start. Bike was found with the help of Facebook sharing and people helping. Was ditched and hid in the bush of the same town it was stolen. Spotted accidentally by mother running after kids.
To do list
Replace stolen parts
Fit gps tracker
Fit front suspension fork
by agniusm
Jun 14 2019 9:45am
Forum: Large EV General Discussion
Topic: MTD Novotrac conversion
Replies: 2
Views: 260

Re: MTD Novotrac conversion

Its difficult. So blade tip speed should be 210-230mph. Blade is 66cm or 26".As much as i could dig up blade pulley is 7" or 178mm
and motor pulley is 100mm OD., thats 1:1.78 reduction.
Need to calculate motor rpm from this :cry:
by agniusm
Jun 14 2019 7:19am
Forum: Large EV General Discussion
Topic: MTD Novotrac conversion
Replies: 2
Views: 260

MTD Novotrac conversion

Bought this for conversion working and after 1.5 years engine gave up. Looking for some info. What would be RPM at the OEM engine shaft generally? I need to pick the system Voltage to make it close to stock. The stock engine is briggs and stratton 259707-0146-01 but i cant find manual or specs cause...
by agniusm
Jun 14 2019 4:50am
Forum: Battery Technology
Topic: New weldless battery system crowdfunfing project
Replies: 91
Views: 4393

Re: New weldless battery system crowdfunfing project

Wait, why would AG's design be prone to corrosion? I mean, nickel-zinc/tin plated copper has excellent resistance to corrosion. As he mentioned, only the steel bolts have been corroded, and that could be fixed with a zinc, then nickel, plating. Thanks, exactly. Actually i address that with high qua...
by agniusm
Jun 13 2019 2:56pm
Forum: E-Bike Technical
Topic: Longtail cargo bike project
Replies: 32
Views: 3539

Re: Longtail cargo bike project

That's an admirable project bike. Like most admirable project bikes, I'm sure you thought about what you might change in a next iteration. But this is good. Ha, suspension! But i probably wont change to that ever as it was stolen. Sad but true. frock those thieves. I need to electrify lawn tractor ...
by agniusm
Jun 12 2019 2:51am
Forum: E-Bike Technical
Topic: Low voltage systems
Replies: 3
Views: 240

Re: Low voltage systems

There's a few discussions about high vs low voltage systems that have all sorts of details, but basically it comes down to: the lower the voltage, the higher the currents have to be to get teh same power. 2000w / 24v = 83.3a so you'll need a battery and BMS (if any) that can handle that kind of cur...