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Search: Posts Made By: bryan11
Forum: Hypermiling / EcoDriver's Ed 05-09-2010, 01:20 AM
Replies: 50
Views: 11,781
Posted By ShadeTreeMech
hyper inflation: let's cut to the chase

I just burned up about 4 hours of my life trying to sort the facts from the fiction in this thread (http://ecomodder.com/forum/showthread.php/hyperinflating-tires-2582.html#post28793) and other...
Forum: EcoModding Central 01-25-2010, 03:08 AM
Replies: 41
Views: 6,328
Posted By Jyden
Christ - colder air - as you say are more dense -...

Christ - colder air - as you say are more dense - which means that at a given RPM you are able to administer more fulel, thus developing more hp, because the colder and more dense air contains more...
Forum: Hypermiling / EcoDriver's Ed 01-24-2010, 09:16 PM
Replies: 33
Views: 7,361
Posted By Christ
Yes, they do. As soon as you cut power to the...

Yes, they do. As soon as you cut power to the ECM, the injectors stop working, which means that there is no fuel being injected at all into the engine.

His Civic FE was/is carb'd, and unless he...
Forum: Hypermiling / EcoDriver's Ed 01-24-2010, 07:04 PM
Replies: 33
Views: 7,361
Posted By gjgerhard
Exclamation Hyper Alert: Engine Damage (ring/cyl wear killing ignition to running carb'd engine)

I just learned something the hard way and I'm making an effort to tell people about it.

A little background: I bought my Honda Civic FE new in 1983 (the "FE" stands for "Fuel Efficient"). I have...
Forum: EcoModding Central 01-24-2010, 12:02 PM
Replies: 41
Views: 6,328
Posted By gone-ot
...COLD intake air helps HP at higher rpms. ...

...COLD intake air helps HP at higher rpms.

...HOT intake air helps FE at lower rpms.

...remember the ICE is a adiabatic engine, ie:...
Forum: Aerodynamics 01-24-2010, 12:01 PM
Replies: 26
Views: 9,494
Posted By gascort
Don't be upset by Frank. He's a nice fellow, but...

Don't be upset by Frank. He's a nice fellow, but often dry and witty humor can come off harshly. He's also pretty wise and a good opinion to help if your question is specific.

I will share my...
Forum: Aerodynamics 01-24-2010, 03:43 AM
Replies: 26
Views: 9,494
Posted By cfg83
tunedbytad - Hmmmm ... it depends. ...

tunedbytad -



Hmmmm ... it depends. They all have pros and cons. These are my opinions, subject to people that know more than me :

- Belly Pan: most effective if done right. The devil is...
Forum: Aerodynamics 01-12-2010, 05:00 PM
Replies: 64
Views: 44,186
Posted By aerohead
traditional

Brett,my data is all dated now and since pickup design has evolved over time,the goal-posts have moved.
Here are some random thoughts from a failing memory:
A pickup, according to the...
Forum: Aerodynamics 01-12-2010, 11:02 AM
Replies: 7
Views: 4,451
Posted By PaleMelanesian
I had full caps for a while. Heat is not an...

I had full caps for a while. Heat is not an issue. At the end of a drive in the Texas summer, I reached in and touched the brake rotors. They were barely even warm.

I now have some nearly...
Forum: General Efficiency Discussion 09-10-2009, 04:53 PM
Replies: 44
Views: 21,871
Posted By gone-ot
...the same reason that parachutes "work" is why...

...the same reason that parachutes "work" is why going faster takes more "energy" (HP).

...similarly, air resistance approaches 'solidity' (incompressability), ie: going "faster" requires...
Forum: General Efficiency Discussion 09-10-2009, 09:48 AM
Replies: 44
Views: 21,871
Posted By gone-ot
...uh, how many KILOMETERS to a MILE? or was that...

...uh, how many KILOMETERS to a MILE? or was that LITERS-PER-FURLONG?


...my (YMMV) simplistic summary:

A) hybrids do better in CITY than on HIGHWAY, while...
B) IC-vehicles do better on...
Forum: General Efficiency Discussion 09-09-2009, 08:35 PM
Replies: 44
Views: 21,871
Posted By gone-ot
...the Insight goes "...furthest..." on a gallon...

...the Insight goes "...furthest..." on a gallon is way too simple for unsophisticated readers (duh) to read or understand. What?

http://forkenswift.com/album/7-cr-orig-mpg.gif

...it's simple,...
Forum: General Efficiency Discussion 09-09-2009, 03:06 PM
Replies: 44
Views: 21,871
Posted By tasdrouille
Well, if you ask me the conclusion is not...

Well, if you ask me the conclusion is not necessarily wrong. The Insight did have the biggest relative percentage drop in fuel economy. This just means that as speed increases its fuel economy goes...
Forum: General Efficiency Discussion 09-09-2009, 01:34 PM
Replies: 44
Views: 21,871
Posted By Whoops
It is very interesting how information can...

It is very interesting how information can sometimes be presented, which is factual, but not necessarily correct in the respect of the right question, rather than a question. The data they presented...
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