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Search took 0.06 seconds. Search: Posts Made By: Logic
Forum: Aerodynamics 03-16-2024, 11:36 PM
Replies: 10
Views: 507
Posted By j-c-c
This a 1967 Ford GT-40 MarkIV turbine style...

This a 1967 Ford GT-40 MarkIV turbine style wheel, which predated the Porsche. Both cars I saw 3/14/24 ironically at the Sebring track Museum while attending the 12 Hr races.
Forum: General Efficiency Discussion 03-15-2024, 03:42 PM
Replies: 58
Views: 15,760
Posted By freebeard
Update: This is only a first part, but...

Update: This is only a first part, but Nighthawkinlight has extended his investigation to creating particles that reflect in specific wavelengths by adjusting ratios of the reactants in solution....
Forum: EcoModding Central 09-27-2023, 02:47 PM
Replies: 21
Views: 2,093
Posted By Isaac Zachary
The problem is that at the boundry layer of the...

The problem is that at the boundry layer of the combustion gasses it is pretty much impossible to get that high of temps. That's why you end up with unburnt fuel. The coolness of the metal surface...
Forum: EcoModding Central 09-26-2023, 03:35 PM
Replies: 21
Views: 2,093
Posted By freebeard
This video on Fuel From The Air...

This video on Fuel From The Air (https://youtu.be/2P3XZp5wm7w) suggests Cerium Oxide as a catalyst. At 1500 degrees (combustion chamber temps?) it turns the CO2 in the air into syngas.

As to how...
Forum: General Efficiency Discussion 03-16-2023, 03:57 PM
Replies: 58
Views: 15,760
Posted By freebeard
The Ultrabright pigments (Permalink #37) require...

The Ultrabright pigments (Permalink #37) require a thick coating to be effective. Compare this:

phys.org/news/2023-03: Researchers create world's first energy-saving paint—inspired by butterflies...
Forum: EcoModding Central 11-14-2022, 10:45 PM
Replies: 21
Views: 2,560
Posted By ConnClark
How about you move this to its own thread?

How about you move this to its own thread?
Forum: Fossil Fuel Free 10-24-2022, 03:16 AM
Replies: 14
Views: 1,374
Posted By cRiPpLe_rOoStEr
Most of the info about it is in Portuguese, and...

Most of the info about it is in Portuguese, and still not so much on the internet. But I remember the "reactor" was reported missing in 2011 when the police depot where the Corcel and the...
Forum: Fossil Fuel Free 10-11-2022, 01:48 AM
Replies: 14
Views: 1,374
Posted By cRiPpLe_rOoStEr
It was tested in a Brazilian Ford derivative of...

It was tested in a Brazilian Ford derivative of the Renault 12, and in a Mercedes-Benz truck with the OM-352 engine too.
Forum: EcoModding Central 10-06-2022, 04:58 PM
Replies: 14
Views: 877
Posted By oil pan 4
Well if you are running a really hot cam or have...

Well if you are running a really hot cam or have the cam timing retarded you get reversion back into the intake manifold, this reversion is what makes hot cams or heavily retarded cam timing make the...
Forum: EcoModding Central 10-05-2022, 12:11 PM
Replies: 31
Views: 4,064
Posted By freebeard
OTOH:

OTOH:
Forum: General Efficiency Discussion 10-04-2022, 05:29 PM
Replies: 58
Views: 15,760
Posted By serialk11r
AFAIK barium sulfate is the best white pigment...

AFAIK barium sulfate is the best white pigment for "cooling", but it's harder to get. Really though I think you just need a white vinyl wrap if you don't already have a white car. The clear coat is...
Forum: General Efficiency Discussion 10-03-2022, 05:49 PM
Replies: 58
Views: 15,760
Posted By freebeard
As I recalled incorrectly, it was calcium...

As I recalled incorrectly, it was calcium phosphate, so thanks for that.

Particle size was an issue. I've moved on to SkyCool foil:
Forum: General Efficiency Discussion 10-03-2022, 01:59 PM
Replies: 58
Views: 15,760
Posted By freebeard
aerohead does not believe in the Atmospheric...

aerohead does not believe in the Atmospheric Window.
Forum: EcoModding Central 10-03-2022, 12:35 PM
Replies: 31
Views: 4,064
Posted By Blacktree
I'm not sure what you're trying to say. But on a...

I'm not sure what you're trying to say. But on a normal exhaust system, the exhaust pulses won't be reflected (i.e. terminated) until they reach a significant change in the exhaust pipe geometry....
Forum: EcoModding Central 10-02-2022, 03:55 PM
Replies: 31
Views: 4,064
Posted By Blacktree
I'd like to offer a couple clarifications. ...

I'd like to offer a couple clarifications.

1) The pressure wave box doesn't cancel out the exhaust pulses. It terminates them. When the pressure pulse reaches the end of the pipe, it reverses and...
Forum: Aerodynamics 09-30-2022, 02:21 AM
Replies: 15
Views: 3,731
Posted By wouterremmerie
Ford F150 - 25% drag reduction

Hi everyone,

using a 3D scan of the Ford F150 and a bunch of aerodynamic simulations, we demonstrated how the aerodynamic drag of a Ford F150 can be reduced by 25% - see this link:...
Forum: EcoModding Central 09-11-2022, 02:52 PM
Replies: 6
Views: 683
Posted By serialk11r
The issue with PM generators (especially in...

The issue with PM generators (especially in gasoline engines) is that the amount of power available increases with rpm, but vehicles need the same amount of electrical power at idle. As the vehicle...
Forum: EcoModding Central 09-11-2022, 05:44 AM
Replies: 6
Views: 683
Posted By serialk11r
It's impractical to swap in a high quality...

It's impractical to swap in a high quality permanent magnet electric motor in as an alternator.

The auto alternator design is sort of reasonable for the application. Denso square windings have...
Forum: EcoModding Central 08-30-2022, 12:58 AM
Replies: 21
Views: 2,093
Posted By Piotrsko
Technically, yes as the processes use low voltage...

Technically, yes as the processes use low voltage DC, but the chemicals are on a restricted list with really extensive and expensive hazmat mitigation. Aerospace was moving away from that back in...
Forum: EcoModding Central 08-29-2022, 01:13 PM
Replies: 13
Views: 1,038
Posted By aerohead
Whale Tubercles @ EcoModder.com, 2008

I'll try for a link.
https://ecomodder.com/forum/showthread.php/whale-tubercles-trailing-edge-1315.html
Forum: EcoModding Central 08-27-2022, 09:52 AM
Replies: 16
Views: 1,493
Posted By Ecky
As much as I may naysay about many of them, I'm...

As much as I may naysay about many of them, I'm glad you're asking these questions. As you say, they deserve to be asked.
Forum: The Unicorn Corral 08-25-2022, 04:57 PM
Replies: 40
Views: 6,794
Posted By aerohead
towards one plate.........

Electrostatic precipitators function that way. Air is induced past an array of anodes or cathodes and any polar molecule present in the airstream will be attracted to one or the other, and adhere,...
Forum: The Unicorn Corral 08-25-2022, 04:45 PM
Replies: 40
Views: 6,794
Posted By rmay635703
In terrestrial conditions it has long been...

In terrestrial conditions it has long been believed a microscopic set of oppositely charged and magnefied plates could be used to concentrate “polar substances “ in a liquid/gas towards one plate...
Forum: EcoModding Central 08-25-2022, 11:50 AM
Replies: 22
Views: 1,511
Posted By aerohead
8,000-watts

1) At a nominal 12-VDC your at around 80-Amps.
2) Pushing the field up to create 100- VDC respects the 80-Amp barrier.
3) Which opens a question about the field 'conductor' capability.
4) At 90%...
Forum: EcoModding Central 08-25-2022, 09:14 AM
Replies: 22
Views: 1,511
Posted By Piotrsko
Based on MY personal experience in the home built...

Based on MY personal experience in the home built E-ranger: battery chemistry doesn't matter for power, does matter for longevity and cost. My FLA pack cost approximately the same as the Volt pack...
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