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Search took 0.19 seconds. Search: Posts Made By: mrbigh
Forum: Open ReVolt: open source DC motor controller 07-18-2023, 12:31 PM
Replies: 7,381
Views: 2,412,200
Posted By anonymous
just so you guys know paul is not dead or...

just so you guys know
paul is not dead or something

i have inside information
Forum: Hybrids 08-27-2019, 07:41 PM
Replies: 843
Views: 329,089
Posted By Bill the Engineer
Turtle Plans are approved. Getting closer to...

Plans are approved. Getting closer to groundbreaking. Wow, the hoops you need to jump through to get a house built here! :turtle:
Forum: Fossil Fuel Free 05-17-2017, 09:41 AM
Replies: 3,480
Views: 916,877
Posted By HaroldinCR
Getting closer to starting my converted IMA +...

Getting closer to starting my converted IMA + Paul's controller board. Have my O-scope and signal generator at my house in CR. Have a crate on the way with the e-assist alternator and Honda IMA...
Forum: Hybrids 05-13-2017, 08:31 PM
Replies: 843
Views: 329,089
Posted By Bill the Engineer
Finished protecting the windshield inside and out...

Finished protecting the windshield inside and out while I could still stand inside the body. One step closer to lifting the body off again.
...
Forum: Fossil Fuel Free 11-30-2016, 11:42 PM
Replies: 3,480
Views: 916,877
Posted By thingstodo
I have not seen a primer for three phase AC...

I have not seen a primer for three phase AC inverters.

The wikipedia article is OK as far as it goes

https://en.wikipedia.org/wiki/Power_inverter

My poor and disjointed summary:
- The...
Forum: Aerodynamics 10-04-2016, 10:54 AM
Replies: 205
Views: 90,139
Posted By Macskyver
I got a bunch done since last post. I was...

I got a bunch done since last post. I was unhappy with the splotchy finish with the epoxy so I decided to just bite the bullet and completely resand it. It basically set me back a full day, but I...
Forum: Fossil Fuel Free 09-20-2016, 12:44 AM
Replies: 542
Views: 205,439
Posted By MPaulHolmes
My 2 kids John (4) and Josiah (9) are now...

My 2 kids John (4) and Josiah (9) are now undertaking a new cheap EV conversion. And I mean really cheap this time. We live out in the desert now, and our neighbors recently abandoned their house,...
Forum: Fossil Fuel Free 09-16-2016, 01:33 AM
Replies: 3,480
Views: 916,877
Posted By MPaulHolmes
I got a new board made! I just want to mention...

I got a new board made! I just want to mention that I have really appreciated having Astro's controller for testing. I"m going to solder him one of the new boards.

This one includes voltage...
Forum: Open ReVolt: open source DC motor controller 07-21-2016, 02:47 AM
Replies: 7,381
Views: 2,412,200
Posted By duncan
Batteries in their new home Do you like the...

Batteries in their new home
Do you like the Chevy Power sticker?

Covers for the battery compartment

Controller mounted above the batteries
Forum: Open ReVolt: open source DC motor controller 03-28-2016, 01:44 AM
Replies: 7,381
Views: 2,412,200
Posted By thingstodo
March 27 update on my DC controller. Quick...

March 27 update on my DC controller.

Quick Summary

The controller is up and running, connected to my Warp 9 DC motor, and it rotates the motor clockwise as it should. There is some video, but...
Forum: Open ReVolt: open source DC motor controller 03-18-2016, 01:32 PM
Replies: 7,381
Views: 2,412,200
Posted By MPaulHolmes
We just got thingstodo's controller put together....

We just got thingstodo's controller put together. It should be good to about 1400-1500amp peak, 350-400v. Here's a test at 24v on my golf cart:...
Forum: Fossil Fuel Free 02-19-2016, 02:57 PM
Replies: 3,480
Views: 916,877
Posted By jackbauer
I just built one of the resolver to encoder...

I just built one of the resolver to encoder boards that Paul kindly sent to me. Will be testing it out on a Lexus GS450h motor tomorrow. Plan to build one of these controllers as soon as I get a PCB...
Forum: Fossil Fuel Free 01-31-2016, 12:01 AM
Replies: 3,480
Views: 916,877
Posted By thingstodo
A second update for Jan 18 Light regen test,...

A second update for Jan 18

Light regen test, start up the motor and the regen stop

https://youtu.be/r7fvOq5Ohdc

Log file (original data) attached. spreadsheet with data from multimeters...
Forum: Fossil Fuel Free 01-30-2016, 11:40 PM
Replies: 3,480
Views: 916,877
Posted By thingstodo
Update .. or review I guess .. for January 18 ...

Update .. or review I guess .. for January 18

https://youtu.be/j0cbdt0nJkI
Forum: Fossil Fuel Free 01-16-2016, 03:07 PM
Replies: 3,480
Views: 916,877
Posted By e*clipse
:) Just to answer a couple questions - again...

:)

Just to answer a couple questions - again I don't want to get off track here.
The original vehicle was the Cushman Trakster. The original design did float, but this one's "bathtub" was so...
Forum: Fossil Fuel Free 01-15-2016, 11:21 PM
Replies: 3,480
Views: 916,877
Posted By e*clipse
Ok, as promised here are some pics showing the...

Ok, as promised here are some pics showing the test. Paul - I would like to apologize in advance because these pics have nothing to do with AC motor controllers. I'm absolutely not trying to hijack...
Forum: Open ReVolt: open source DC motor controller 12-02-2015, 01:19 AM
Replies: 7,381
Views: 2,412,200
Posted By Bela
Finally finished up the Open Revolt controller...

Finally finished up the Open Revolt controller and it works! At least with 12 volts.

Below is the Open Revolt board along with the Raspberry Pi that reads the RS232 output of the Open Revolt board...
Forum: Open ReVolt: open source DC motor controller 12-01-2014, 02:41 AM
Replies: 7,381
Views: 2,412,200
Posted By duncan
Hi Paul Just got back in We did the event on...

Hi Paul
Just got back in
We did the event on Sunday and drove home today
I will have to look and see if Jane managed to take any usable pictures

Anyway the controller was great
But I have made...
Forum: Fossil Fuel Free 11-02-2014, 01:40 PM
Replies: 95
Views: 25,926
Posted By escartiz
what happen to this project? was it ever...

what happen to this project? was it ever completed. looking for bms options
Forum: Fossil Fuel Free 09-11-2014, 01:28 PM
Replies: 3,480
Views: 916,877
Posted By freebeard
No pressure, but I'm betting the farm on you guys...

No pressure, but I'm betting the farm on you guys pulling this off. :thumbup:

I studied TV servicing in the 1970s, but at this point I couldn't get much beyond the 'like water in a hose' analogy....
Forum: Hybrids 09-05-2014, 10:02 AM
Replies: 73
Views: 21,579
Posted By Daox
Minor update, but it might be of interest to oil...

Minor update, but it might be of interest to oil nerds out there. I just changed the oil on the Prius last night. I filled up with Valvoline's NextGen recycled synthetic 5W-30 oil. Yep, recycled...
Forum: Fossil Fuel Free 08-27-2014, 02:30 PM
Replies: 3,480
Views: 916,877
Posted By e*clipse
Lightbulb Paul, Those LEM current sensors all have a...

Paul,

Those LEM current sensors all have a rectangular window to shove the wires through. A big wire, like a #4 welding wire's generally round shape would be a restriction. I haven't done the...
Forum: Fossil Fuel Free 08-21-2014, 06:17 PM
Replies: 3,480
Views: 916,877
Posted By e*clipse
??? Buyer ??? :confused: Here is a direct (...

??? Buyer ??? :confused:

Here is a direct ( I edited some uneccessary stuff out ) quote from that 2nd E*bay listing. Now, I would agree that E*bay listings are terrible sources for technical...
Forum: Fossil Fuel Free 08-19-2014, 09:49 PM
Replies: 3,480
Views: 916,877
Posted By Astro
So it will be a redesign / expansion of the power...

So it will be a redesign / expansion of the power section and some changes to the control section for the different processor and additional PWM output circuit.
Would that mean the same redesigned...
Forum: Open ReVolt: open source DC motor controller 07-01-2013, 01:29 AM
Replies: 7,381
Views: 2,412,200
Posted By jackbauer
Video as promised! ...

Video as promised!
https://www.youtube.com/watch?v=9EIZR-oXUxQ
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