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Showing results 1 to 22 of 22
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Posts Made By:
Nautilus
Forum:
Aerodynamics
09-17-2020, 04:26 PM
Replies:
34
Cooling problems with undertrays?
Views:
9,106
Posted By
JulianEdgar
If you were to go bigger with the front undertray...
If you were to go bigger with the front undertray (including filling some of the front wheel air exit openings), you'd then find that radiator cooling flow starts to decrease. That's what happened...
Forum:
Aerodynamics
09-17-2020, 02:10 PM
Replies:
34
Cooling problems with undertrays?
Views:
9,106
Posted By
samwichse
After installing the Scott's solid metal...
After installing the Scott's solid metal undertray on my Insight (instead of the two smaller pieces that cover 1/3 of the area under the engine each), I found the car took longer to warm up and had a...
Forum:
Aerodynamics
05-25-2020, 05:58 AM
Replies:
35
rear wheel skirts...
Views:
10,779
Posted By
JulianEdgar
None of my references support that assertion. In...
None of my references support that assertion. In fact, the car had measurable downforce - 136kg at 240 km/h.
I do wish people wouldn't post stuff that isn't true.
Forum:
Introductions
01-05-2020, 08:15 AM
Replies:
42
The Dutch 100MPG(?) Peugeot 106
Views:
14,999
Posted By
Dizono
We've thought about that, but a computional fluid...
We've thought about that, but a computional fluid dynamics model suggests that a further extension has only minimal gains. So Wunibald Kamm was right :D
https://i.imgur.com/dy9SuTh.jpg
...
Forum:
Introductions
01-03-2020, 04:43 AM
Replies:
42
The Dutch 100MPG(?) Peugeot 106
Views:
14,999
Posted By
Dizono
The Dutch 100MPG(?) Peugeot 106
Hi All,
Years ago I stumbled upon this website and the idea of eco tuning a car stuck. Together with a friend, we finally found a good reason to do it. For a major Dutch magazine, we're...
Forum:
EcoModding Central
02-23-2017, 08:23 PM
Replies:
104
Supercapacitor Battery Replacement
Views:
34,920
Posted By
redpoint5
I don't have specific answers to your questions,...
I don't have specific answers to your questions, but from my experience, Supercaps are super bad at handling both the grid heating, and immediately after, starting my 5.9L Cummins engine.
It all...
Forum:
EcoModding Central
01-26-2017, 02:34 AM
Replies:
104
Supercapacitor Battery Replacement
Views:
34,920
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:
The Unicorn Corral
01-20-2017, 05:21 PM
Replies:
29
Super-capacitors instead of a battery?
Views:
9,959
Posted By
Mrmacireland
Dia duit I work on wind turbines they have...
Dia duit
I work on wind turbines they have large capicitors to even out the grid load they really do have serious storage potentional power in them what you need is a way to charge them up take out...
Forum:
EcoModding Central
01-10-2017, 12:01 PM
Replies:
104
Supercapacitor Battery Replacement
Views:
34,920
Posted By
Enki
Not very well. Cap banks can supply a lot of...
Not very well. Cap banks can supply a lot of instant amperage but the voltage drops off quickly at high loads. Think about it like this: Each cap in my 500 farad cap bank (huge; they are 2.7v 3000...
Forum:
EcoModding Central
01-09-2017, 01:30 PM
Replies:
104
Supercapacitor Battery Replacement
Views:
34,920
Posted By
redpoint5
My guess is that either your balance circuit or a...
My guess is that either your balance circuit or a defective cap is placing too much parasitic draw on your battery, which then damaged it (your AGM might have a short). You shouldn't be losing so...
Forum:
EcoModding Central
01-09-2017, 11:29 AM
Replies:
104
Supercapacitor Battery Replacement
Views:
34,920
Posted By
ECONORAM
I was about to ask if a solar charging panel...
I was about to ask if a solar charging panel would work instead of another battery. Would you need a voltage regulator in the circuit for sunny days?
Didn't know that. Good to know as I'm...
Forum:
EcoModding Central
01-02-2017, 11:50 PM
Replies:
104
Supercapacitor Battery Replacement
Views:
34,920
Posted By
Harlan
I've been running a bank of 3000F 2.7v Super Caps...
I've been running a bank of 3000F 2.7v Super Caps in place of my battery for a while on my car. The only issue is the standby drain is so high that it will only last a few days on the capacitor...
Forum:
The Unicorn Corral
06-10-2014, 05:28 PM
Replies:
29
Super-capacitors instead of a battery?
Views:
9,959
Posted By
ecomodded
I think the real benefit in the Caps in this...
I think the real benefit in the Caps in this situation is that they do not store unneeded energy continually recharging a battery with excess power that you will never use.
Where as in the...
Forum:
The Unicorn Corral
06-10-2014, 04:39 PM
Replies:
29
Super-capacitors instead of a battery?
Views:
9,959
Posted By
cekic
@redpoint5: Hi, that’s true that batteries can be...
@redpoint5: Hi, that’s true that batteries can be replaced with the Ultra caps but modern ultracaps still have many disadvantages over traditional batteries like the capacitors are good to provide...
Forum:
The Unicorn Corral
05-24-2014, 08:30 PM
Replies:
29
Super-capacitors instead of a battery?
Views:
9,959
Posted By
Cobb
Well Red, with the gen 2 insight it cycles the dc...
Well Red, with the gen 2 insight it cycles the dc to dc converter from the ima system off and on to charge the 12 volt system under regen and when the voltage falls below 12.5. Ive had some...
Forum:
The Unicorn Corral
05-23-2014, 09:17 PM
Replies:
29
Super-capacitors instead of a battery?
Views:
9,959
Posted By
redpoint5
There is likely an unmeasurable fuel savings by...
There is likely an unmeasurable fuel savings by using Ultracaps instead of a conventional battery, but that's beside the point. The question in this thread asks if a battery can be replaced by a...
Forum:
The Unicorn Corral
05-23-2014, 05:55 PM
Replies:
29
Super-capacitors instead of a battery?
Views:
9,959
Posted By
ConnClark
There is no real data that says it has saved any....
There is no real data that says it has saved any. That is why its here
Capacitors have an exponential discharge characteristic which leads to I^2 * R losses as they discharge. Batteries have a...
Forum:
EcoModding Central
01-08-2014, 11:13 PM
Replies:
104
Supercapacitor Battery Replacement
Views:
34,920
Posted By
redpoint5
First Supercapacitor Battery
I purchased 6x 2.7 volt 400 farad supercapacitors from Digikey (http://www.digikey.com/product-detail/en/XV3560-2R7407-R/283-4209-ND/3878067)for $77.66 including shipping :eek: Above 400F, the price...
Forum:
EcoModding Central
01-08-2014, 10:57 PM
Replies:
104
Supercapacitor Battery Replacement
Views:
34,920
Posted By
mechman600
I too was fascinated by that thread....
I too was fascinated by that thread. Unfortunately I had JUST put a new battery in my wife's Toyota Matrix.
Maxwell Technologies sells a group 31 ultra-capacitor for heavy duty trucks. Normally,...
Forum:
EcoModding Central
01-08-2014, 10:25 PM
Replies:
104
Supercapacitor Battery Replacement
Views:
34,920
Posted By
redpoint5
Supercapacitor Battery Replacement
My quest to replace conventional lead-acid car batteries with supercapacitors was inspired by this (http://ecomodder.com/forum/showthread.php/replace-your-car-battery-capacitors-26363.html)thread. I...
Forum:
Aerodynamics
07-04-2010, 07:39 PM
Replies:
19
Grill Block Summary
Views:
13,130
Posted By
4536
Grill Block Summary
Have read alot of the threads on Grill Blocks. Does the following Summary of Grill Block Priorities sound right? (I'm going on memory here.)
1. If you have 2 grills, Block the upper first. This...
Forum:
Aerodynamics
02-25-2009, 07:27 PM
Replies:
35
rear wheel skirts...
Views:
10,779
Posted By
Daveedo
As for the undertray it seems as though the...
As for the undertray it seems as though the amount of benefit is dependent upon how high your car is and how rough the underbody is. If your car sits low to the ground already then the undertray may...
Showing results 1 to 22 of 22
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