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Search took 0.04 seconds. Search: Posts Made By: acparker
Forum: Aerodynamics 10-26-2020, 07:02 PM
Replies: 233
Views: 19,540
Posted By acparker
Gasoline vapor engines only worked with straight...

Gasoline vapor engines only worked with straight run naptha. Cracked naptha will leave goop behind that tends to fill tanks and clog vital parts. Every miracle vapor system I have read about has...
Forum: General Efficiency Discussion 04-30-2018, 05:06 PM
Replies: 161
Views: 17,676
Posted By acparker
...or a Magic 8-Ball?

...or a Magic 8-Ball?
Forum: General Efficiency Discussion 04-02-2018, 03:34 AM
Replies: 16
Views: 3,305
Posted By acparker
Achates and an unnamed truck manufacturer are...

Achates and an unnamed truck manufacturer are getting $7 million (only part of total funding) from CARB to get a demonstration Class 8 truck on the road by 2019.

A quick review of articles on this...
Forum: General Efficiency Discussion 09-27-2017, 05:14 PM
Replies: 10
Views: 1,538
Posted By acparker
Harvesting selectively for timber is damaging,...

Harvesting selectively for timber is damaging, harvesting for biomass is catastrophic.

I spent some time, many years ago, in the area of the Ouachita mountains of Oklahoma and Arkansas. It was...
Forum: General Efficiency Discussion 09-27-2017, 03:33 AM
Replies: 74
Views: 6,568
Posted By acparker
I remember reading that CARB was responsible for...

I remember reading that CARB was responsible for delaying the entry of hybrid electric vehicles into the US market for several years because they were insisting on all electric vehicles.

I have...
Forum: Aerodynamics 08-31-2017, 05:34 PM
Replies: 916
Views: 176,911
Posted By acparker
I suspect it is photoshopped. The shadows on the...

I suspect it is photoshopped. The shadows on the two upper decks are identical. Nice job, otherwise.
Forum: The Lounge 03-31-2017, 01:09 PM
Replies: 64
Views: 7,378
Posted By acparker
Don't forget the enormous commercial property...

Don't forget the enormous commercial property bubble. With all the big department/anchor stores going under, it should be popping soon.

Local governments ought to have a contingency plan to deal...
Forum: General Efficiency Discussion 03-20-2017, 08:53 PM
Replies: 177
Views: 16,838
Posted By acparker
jamesfq, Are you basing this on William...

jamesfq,

Are you basing this on William Connolley's revisionist climate history at Wikipedia? Both the Minoan, Roman and Medieval Warm Periods were warmer than what we are experiencing now, nor...
Forum: General Efficiency Discussion 03-19-2017, 03:54 PM
Replies: 177
Views: 16,838
Posted By acparker
If you want to lock CO2 back into the earth,...

If you want to lock CO2 back into the earth, recent experiments in Iceland show that carbonic acid injected into deep basalt formations will quickly form limestone, something they were not expecting....
Forum: The Lounge 12-05-2016, 10:59 PM
Replies: 14
Views: 1,985
Posted By acparker
I live on a cul-de-sac and the neighbors are...

I live on a cul-de-sac and the neighbors are hooked up to three different circuits.

Does you neighbor own his cable modem or does he lease? Comcast likes to control the modems and if yours is a...
Forum: General Efficiency Discussion 09-27-2016, 05:11 PM
Replies: 12
Views: 2,779
Posted By acparker
From Wikipedia, "The SEAT Mii and Škoda Citigo...

From Wikipedia, "The SEAT Mii and Škoda Citigo are rebadged versions of the Up, with slightly different front and rear fascias, and are manufactured in the same factory."
Forum: Aerodynamics 07-23-2016, 12:13 PM
Replies: 25
Views: 3,588
Posted By acparker
Found this while googling: Aerodynamic...

Found this while googling:

Aerodynamic Effects of Rear Spoiler and Vortex Generators on Passenger Cars
...
Forum: Aerodynamics 07-13-2016, 05:23 PM
Replies: 12
Views: 2,718
Posted By acparker
While driving through Nebraska (where the wind is...

While driving through Nebraska (where the wind is never with you) in a '92 T&C, my mpg dropped to below 16 unless I was drafting. The T&C had a near real-time mpg readout which made it easier to...
Forum: The Unicorn Corral 06-30-2016, 04:35 PM
Replies: 110
Views: 16,275
Posted By acparker
Sorry to revisit hydrogen as a fuel, but I...

Sorry to revisit hydrogen as a fuel, but I remembered a fuel comparison chart (http://www.afdc.energy.gov/fuels/fuel_comparison_chart.pdf) that I downloaded from the Dept of Energy's Alternative...
Forum: The Unicorn Corral 06-29-2016, 12:30 PM
Replies: 110
Views: 16,275
Posted By acparker
HHO is a fuel. When it burns it creates heat or...

HHO is a fuel. When it burns it creates heat or power. It is an expensive fuel, mainly because we must consume another fuel or other sources of energy to create it.

There is a lot of embodied...
Forum: The Unicorn Corral 06-28-2016, 01:09 PM
Replies: 110
Views: 16,275
Posted By acparker
I did a google search using: introduction of...

I did a google search using: introduction of hydrogen to enhance combustion

There is a wikipedia article, "Hydrogen fuel enhancement".
https://en.wikipedia.org/wiki/Hydrogen_fuel_enhancement

I...
Forum: The Unicorn Corral 06-24-2016, 01:37 PM
Replies: 110
Views: 16,275
Posted By acparker
From what I understand, adding hydrogen into the...

From what I understand, adding hydrogen into the combustion mix aids combustion and emissions under some circumstances. Whether the energy required to produce the amount of hydrogen needed for any...
Forum: Aerodynamics 06-14-2016, 10:51 PM
Replies: 51
Views: 15,197
Posted By acparker
Would enough advantage be obtained by doing a...

Would enough advantage be obtained by doing a Dodge Xplorer type conversion, a domed roof with tapered rear extension?
Forum: General Efficiency Discussion 06-05-2016, 05:08 PM
Replies: 17
Views: 2,318
Posted By acparker
These are used extensively here in Utah. Most...

These are used extensively here in Utah. Most new interchanges are done this way and many older ones are being rebuilt to the new configuration. They can get quite complex when dealing with...
Forum: General Efficiency Discussion 05-26-2016, 05:35 PM
Replies: 13
Views: 2,058
Posted By acparker
Going with two or three wheels seems to be the...

Going with two or three wheels seems to be the easiest way to shed weight under the current regulations (staying in the motorcycle classification).

LSV/NEV regulations are a step in the right...
Forum: General Efficiency Discussion 05-26-2016, 11:46 AM
Replies: 13
Views: 2,058
Posted By acparker
We can never return to the 90's. Current...

We can never return to the 90's. Current crash-worthiness standards in the US require too much metal to allow it. Compact is about as small as you can get in the US before you hit the law of...
Forum: Saving@Home 05-05-2016, 10:42 PM
Replies: 21
Views: 5,183
Posted By acparker
The DDU, as designed by Fuller, did hang on a...

The DDU, as designed by Fuller, did hang on a central mast. The outer wall was not load-bearing. The central mast carried the load through cables that held the suspended floor. Fuller worked with...
Forum: General Efficiency Discussion 01-05-2016, 01:28 AM
Replies: 1,316
Views: 336,563
Posted By acparker
Can't argue with the numbers, but the euros can...

Can't argue with the numbers, but the euros can certainly make wide look cramped and boring to my ugly american eyes. For utility, a box is the answer, and the euros do have more experience at...
Forum: Hybrids 03-08-2013, 12:31 PM
Replies: 90
Views: 14,086
Posted By acparker
When trying to maximize efficiency, one must...

When trying to maximize efficiency, one must choose the right tool for the job. A vehicle optimized for city driving in relatively flat terrain may not do as well in hilly or mountainous terrain or...
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