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Search: Posts Made By: Enki
Forum: EcoModding Central 06-13-2017, 12:44 AM
Replies: 123
Views: 11,358
Posted By ar5boosted
Roughly as much, Yes. I was using an...

Roughly as much, Yes.

I was using an electric-water-pump and a misting nozzle to spray into the carburetor. There was a switch on the throttle cable to turn the pump on. It idled without the water...
Forum: EcoModding Central 01-26-2017, 09:46 PM
Replies: 390
Views: 143,525
Posted By redpoint5
Not sure that would be a good fit for 12v vehicle...

Not sure that would be a good fit for 12v vehicle battery replacement. The reason people choose LiFePO4 despite the lower energy density is that a 4s configuration very closely matches the voltage of...
Forum: EcoModding Central 01-26-2017, 02:34 AM
Replies: 100
Views: 34,526
Posted By redpoint5
You didn't even mention the primary advantages of...

You didn't even mention the primary advantages of lithium-ion batteries:

1. Weight savings due to much higher energy density

2. Space (volume) saving due to much higher energy density

That...
Forum: Fossil Fuel Free 12-04-2016, 04:36 PM
Replies: 80
Views: 16,133
Posted By 123gts
Politics, oil industry and money is why E85 as a...

Politics, oil industry and money is why E85 as a automotive fuel is dead for the most part in the USA. I have real world experience with Ethanol far beyond just putting it in my gas tank. I worked...
Forum: Fossil Fuel Free 11-14-2016, 02:43 AM
Replies: 80
Views: 16,133
Posted By syncro_user
In cold weather it can drop to as little as 70%...

In cold weather it can drop to as little as 70% alcohol, the rest petrol, and yet the price stays roughly the same. So more energy for the same money!

To the OP: are you planning any engine mods...
Forum: EcoModding Central 10-13-2016, 06:48 PM
Replies: 33
Views: 7,987
Posted By cosmick
Lean burn doesn't reduce pumping losses.

Lean burn doesn't reduce pumping losses.
Forum: EcoModding Central 08-31-2015, 02:57 PM
Replies: 390
Views: 143,525
Posted By redpoint5
I would certainly build a bank of 6-series...

I would certainly build a bank of 6-series connected 350f or 600f supercaps to help with cold starts in those extreme temperatures. I've started my TSX with just a bank of 350f supercaps that were...
Forum: EcoModding Central 08-31-2015, 02:51 PM
Replies: 390
Views: 143,525
Posted By Isaac Zackary
That's what I was getting at. Even going by the...

That's what I was getting at. Even going by the raw data worse case scenario they wouldn't leak all that bad. The worse ones (3400F) would theoretically take over 34 hours to leak down enough not to...
Forum: EcoModding Central 08-30-2015, 05:23 PM
Replies: 390
Views: 143,525
Posted By redpoint5
Without knowing exactly how stubborn the RV is to...

Without knowing exactly how stubborn the RV is to start on a cold day, I would still venture to say the capacitors are not beneficial enough to justify their expense or build time. If the RV can be...
Forum: EcoModding Central 04-04-2015, 12:16 AM
Replies: 100
Views: 34,526
Posted By redpoint5
It's a kit which is compatible with up to 3000...

It's a kit which is compatible with up to 3000 farad capacitors. You still have to buy the caps. The kit comes with the bus bars and the balance circuits. Supercaps are still super-expensive.

I...
Forum: Aerodynamics 01-25-2015, 11:21 AM
Replies: 67
Views: 18,890
Posted By graysgarage
Automotive Aerodynamics (video series)

Hey guys,

I recently started a video series on automotive aerodynamics. During my research for each episode, I am often directed to this forum. So I thought I'd share my findings, enjoy!
...
Forum: EcoModding Central 01-05-2015, 02:40 PM
Replies: 390
Views: 143,525
Posted By redpoint5
Agreed, but as you say, not much reserve...

Agreed, but as you say, not much reserve capacity. For those occasions where a door wasn't shut all the way, or the radio was on while the car was parked, the battery runs down and is damaged.
...
Forum: EcoModding Central 10-10-2014, 08:48 PM
Replies: 100
Views: 34,526
Posted By ECONORAM
I was looking at All Electronics today, and found...

I was looking at All Electronics today, and found they have 2.7Vdc Maxwell 1500 Farad capacitors for $25 each. All Electronics | Electronic and Electro-Mechanical Parts and Supplies at Discount...
Forum: EcoModding Central 10-07-2014, 05:21 PM
Replies: 100
Views: 34,526
Posted By redpoint5
I've read through all of Maxwell's literature on...

I've read through all of Maxwell's literature on the supercaps, and among the things I read is that leakage occurs at a faster rate as the voltage increases.

This means that capacitors will self...
Forum: EcoModding Central 10-03-2014, 06:47 PM
Replies: 100
Views: 34,526
Posted By redpoint5
The price of the 3400 farad supercapacitors have...

The price of the 3400 farad supercapacitors have dropped again on Mouser...
Forum: EcoModding Central 09-26-2014, 02:10 PM
Replies: 390
Views: 143,525
Posted By redpoint5
The price has dropped on the BCAP3400...

The price has dropped on the BCAP3400 supercapacitors (http://www.digikey.com/product-detail/en/BCAP3400%2520P285%2520K05/1182-1038-ND/4896903?WT.z_cid=ref_octopart_dkc_buynow&site=us)! They were...
Forum: EcoModding Central 07-12-2014, 07:32 PM
Replies: 390
Views: 143,525
Posted By redpoint5
It appears Maxwell has released a new supercap! ...

It appears Maxwell has released a new supercap!

http://www.mouser.com/images/maxwelltechnologies/images/BCAP3400.jpg

While attempting to find some literature on a 430f 16v supercap on Ebay...
Forum: EcoModding Central 07-10-2014, 03:27 PM
Replies: 100
Views: 34,526
Posted By redpoint5
I tested the configuration of my supercapacitor /...

I tested the configuration of my supercapacitor / LiFePO4 in the TSX and recorded various parameters when starting the car.

The super capacitors...
Forum: EcoModding Central 07-09-2014, 01:55 PM
Replies: 390
Views: 143,525
Posted By redpoint5
I need to find a way to measure this. My clamp...

I need to find a way to measure this. My clamp meter only measures min/max, and real time, I believe. There isn't a cumulative option. The meters I bought for cumulative draw have a 100A peak, so I...
Forum: EcoModding Central 06-27-2014, 05:25 PM
Replies: 390
Views: 143,525
Posted By redpoint5
See this thread...

See this thread (http://ecomodder.com/forum/showthread.php/supercapacitor-battery-replacement-27936.html) for updates on my battery replacement project.

I worked on my truck yesterday and found...
Forum: EcoModding Central 06-26-2014, 04:47 AM
Replies: 390
Views: 143,525
Posted By redpoint5
I'm going to have to thank you again for finding...

I'm going to have to thank you again for finding these batteries. Much better than the Hobbyking pack I bought at 4.2Ah for $40. The Hobbyking does have a rated surge of 168A, but 100 should be good...
Forum: EcoModding Central 06-26-2014, 02:52 AM
Replies: 390
Views: 143,525
Posted By redpoint5
I'll add this one to my to do list, although...

I'll add this one to my to do list, although it'll have to wait until I buy another set of capacitors since all of mine are already soldered up with balance circuits.



Try getting a reading...
Forum: EcoModding Central 06-25-2014, 11:06 PM
Replies: 390
Views: 143,525
Posted By redpoint5
Excellent post! I've been charting the...

Excellent post!

I've been charting the leakage of my 350F series of capacitors over the course of the past few days and will put it into an Excel sheet soon. Mine are balanced by the LED/diode...
Forum: EcoModding Central 03-07-2014, 07:30 PM
Replies: 100
Views: 34,526
Posted By redpoint5
A battery and charger has finally arrived from...

A battery and charger has finally arrived from Hobbyking.
http://i7.photobucket.com/albums/y268/redpoint/Forum/KIMG0027.jpg

The LiFePo4 battery...
Forum: EcoModding Central 02-28-2014, 06:38 AM
Replies: 100
Views: 34,526
Posted By redpoint5
Update: I've added bold comments to my...

Update:

I've added bold comments to my original post at the top with the answers I have come up with so far. The motorcycle has been running great with just a super capacitor to start and run the...
Showing results 1 to 25 of 32

 
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