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Search took 0.07 seconds. Search: Posts Made By: P-hack

Forum: Fossil Fuel Free

01-26-2016, 12:54 AM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 915,106

Posted By MPaulHolmes

My wife made a Ken Burns documentary of me...

My wife made a Ken Burns documentary of me testing out our new Nissan Leaf motor:
https://www.youtube.com/watch?v=qzlLh8xxx1g

The resolver to encoder chip I used is AD2S1210.

Forum: Fossil Fuel Free

11-30-2015, 10:35 PM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 915,106

Posted By e*clipse

A while back, P-hack suggested that I just get a...

A while back, P-hack suggested that I just get a GM Volt pack to meet my weight goals.

He was right.

It's really a good idea for a few reasons:
1) without the huge metal t-shaped plate, the...

Forum: Fossil Fuel Free

11-25-2015, 01:41 PM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 915,106

Posted By Piotrsko

I don't know if you know IVAN and his web site, ...

I don't know if you know IVAN and his web site, but he has this tutorial for rewind Ac 3phase motors for use in electric cars.

I am also not sure, But I believe that a series DC can be made into...

Forum: Fossil Fuel Free

11-24-2015, 11:38 AM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 915,106

Posted By MPaulHolmes

I was forgetting about efficiency. If their...

I was forgetting about efficiency. If their current was 202amp, and assuming 100% efficient the input current was 160, I bet the higher current came from the boost losses as well as inverter losses....

Forum: Aerodynamics

08-17-2015, 05:44 PM

Replies: 32

Dramatic drag comparison

Views: 5,620

Posted By aerohead

Dramatic drag comparison

The following is an anatomical drag comparison between a circular cylinder section and a NACA laminar wing section.
The two bodies are shown in true size relationship to one another.
The laminar...

Forum: The Lounge

05-07-2015, 07:21 AM

Replies: 13

Autonomous Freightliner heavy-duty truck is on the road...

Views: 1,906

Posted By dirtydave

I bet alot of these trucks get robbed and entire...

I bet alot of these trucks get robbed and entire trailers get stolen.

What's going to stop you? a GPS and a camera? Pshhh good luck! all you need is a plastic bag and a can of paint for that!
...

Forum: The Lounge

05-06-2015, 11:02 PM

Replies: 13

Autonomous Freightliner heavy-duty truck is on the road...

Views: 1,906

Posted By Frank Lee

Then people are redundant and can be done away...

Then people are redundant and can be done away with altogether.

Forum: Fossil Fuel Free

04-28-2015, 12:02 PM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 915,106

Posted By MPaulHolmes

I actually got a text from a friend that is a...

I actually got a text from a friend that is a pilot, and he got us 4 tickets back to Phoenix for $31 each!!

Forum: Fossil Fuel Free

04-19-2015, 09:59 PM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 915,106

Posted By MPaulHolmes

The "combined PI Loop tuning & AC controller...

The "combined PI Loop tuning & AC controller code" compiled when I installed mplab X and the XC16 compiler. I didn't have to make any changes.

Forum: EcoModding Central

04-18-2015, 12:19 PM

Replies: 23

2 experts debate tire revolutions/mile (vs. measured circumference)

Views: 4,763

Posted By CapriRacer

OK, I've done the measurements and here are the...

OK, I've done the measurements and here are the results. But first, allow me to document the process.

Here's the car involved:http://www.barrystiretech.com/milan.jpg

It's a 2006 Mercury Milan....

Forum: The Unicorn Corral

04-13-2015, 05:23 PM

Replies: 140

Another win for the idiots.

Views: 21,747

Posted By RedDevil

So you just wanted to rant? To accomplish what?...

So you just wanted to rant?
To accomplish what?

Your courteous lashing (http://ecomodder.com/forum/showthread.php/another-win-idiots-30569-3.html#post475302) involved references to cancer and the...

Forum: General Efficiency Discussion

04-05-2015, 05:51 PM

Replies: 56

Fighting for vehicle owners’ rights to inspect the code that runs their vehicles

Views: 6,975

Posted By Focus-Ak

Fighting for vehicle owners’ rights to inspect the code that runs their vehicles

See: https://www.eff.org/deeplinks/2015/04/automakers-say-you-dont-really-own-your-car

"EFF [Electronic Frontier Foundation] is fighting for vehicle owners’ rights to inspect the code that runs...

Forum: Hybrids

03-25-2015, 03:29 AM

Replies: 311

Do Hybrids Really Make Sense?

Views: 41,184

Posted By RedDevil

Only some 16,000 first gen (1999-2006) Insights...

Only some 16,000 first gen (1999-2006) Insights were ever made (topping at MY 2000) so only a handful will have made it to that graph. The vast majority of the 108 cars in the graph will be second...

Forum: Hybrids

03-24-2015, 03:04 PM

Replies: 311

Do Hybrids Really Make Sense?

Views: 41,184

Posted By niky

I'm a' just gonna leave this here: Toyota...

I'm a' just gonna leave this here:

Toyota Prius (http://tradeinqualityindex.com/vehicles/Toyota_Prius.html)

versus

Toyota Corolla...

Forum: Fossil Fuel Free

03-23-2015, 11:03 AM

Replies: 12

Taking apart a Nissan LEAF Battery for fun and profit

Views: 7,382

Posted By bennelson

After that, I started working on taking apart the...

After that, I started working on taking apart the actual battery pack.

The service plug was already removed when I got the pack.

I removed about two dozen bolts from the perimeter of the...

Forum: Hybrids

03-22-2015, 09:50 PM

Replies: 311

Do Hybrids Really Make Sense?

Views: 41,184

Posted By Ecky

I built a grid charger with ~$20 in parts from...

I built a grid charger with ~$20 in parts from eBay and radioshack. Some over at Insight Central use a small light bulb to discharge a pack before a grid charge to improve results.

Forum: Fossil Fuel Free

03-21-2015, 02:28 PM

Replies: 80

Third Conversion, ultra efficient (1993 Geo Metro EV)

Views: 31,178

Posted By EVmetro

So I took her out for a range test yesterday,...

So I took her out for a range test yesterday, with two objectives in mind. The first was simply to explore the range capabilities, the second and most important was to ensure that it performed...

Forum: General Efficiency Discussion

03-18-2015, 12:40 AM

Replies: 302

Sticky: The BSFC chart thread (post 'em if you got 'em)

Views: 367,580

Posted By ever_green

While tuning my naturally aspirated 2.5L Subaru...

While tuning my naturally aspirated 2.5L Subaru on the dyno i spent an extra $150 and did some part throttle pulls to find BSFC sweetspot. Since dyno pulls are expensive I only did 4 runs of roughly...

Forum: Fossil Fuel Free

03-02-2015, 11:35 AM

Replies: 24

How much can a nissan leaf tow? Feats of towing might!

Views: 10,446

Posted By teknomage2012

How much can a nissan leaf tow? Feats of towing might!

Trailered 1 ton of hay home for the horses yesterday with our nissan leaf. Pulled it better than a toyota truck! Surprized at how little it dropped the range on the 30 mile haul! I was expecting more...

Forum: General Efficiency Discussion

02-11-2015, 07:36 PM

Replies: 330

Do we really need all that safety stuff?

Views: 37,484

Posted By IamIan

Sorry ... but ... no ... all else being equal the...

Sorry ... but ... no ... all else being equal the larger heavier vehicle is inferior to the otherwise equal lighter vehicle... for breaking / stopping ... and for cornering.

#1> tire/road friction...

Forum: General Efficiency Discussion

02-11-2015, 09:05 AM

Replies: 330

Do we really need all that safety stuff?

Views: 37,484

Posted By oldtamiyaphile

Weight will also increase your stopping...

Weight will also increase your stopping distance... If you added up all the weight of all the safety components (including safety cells, deformable structures etc - keep in mind a heavier car then...

Forum: The Lounge

02-06-2015, 01:25 PM

Replies: 47

How do you drive courteous ( ideas welcome ! )

Views: 4,842

Posted By freebeard

I treat vehicles as 'black boxes', evaluating...

I treat vehicles as 'black boxes', evaluating them on position, velocity and signal lights. Hands waving over the top of the a steering wheel I ignore.

I think that's equitable.

Forum: Fossil Fuel Free

01-31-2015, 01:52 AM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 915,106

Posted By Astro

This comment gets my vote for the understatement...

This comment gets my vote for the understatement of the year award. :D

Forum: Fossil Fuel Free

01-31-2015, 01:26 AM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 915,106

Posted By MPaulHolmes

sorry, I just started copying stuff, and forgot...

sorry, I just started copying stuff, and forgot that I named the c and h files something slightly different on the github (all because I didn't know how to actually copy the file. I've been copying...

Forum: Fossil Fuel Free

01-30-2015, 05:19 PM

Replies: 3,480

Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control

Views: 915,106

Posted By MPaulHolmes

I made an AC controller instructable if you guys...

I made an AC controller instructable if you guys want to check it out.
200kW AC Motor Controller for Electric Car (http://www.instructables.com/id/200kW-AC-Motor-Controller-for-Electric-Car/)
...

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