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Search took 0.15 seconds. Search: Posts Made By: M_a_t_t
Forum: General Efficiency Discussion 05-01-2022, 08:32 PM
Replies: 37
Views: 3,683
Posted By Ecky
They're just oxygen, effectively. The car will...

They're just oxygen, effectively. The car will add more fuel to keep the ratio correct. It's like cracking the throttle open more than 100%.
Forum: EcoModding Central 04-22-2022, 10:24 AM
Replies: 21
Views: 10,169
Posted By pgfpro
Enjoying this thread. On my lean burn Talon...

Enjoying this thread.

On my lean burn Talon I did some load base dyno tuning a few years ago and could never simulate the real world road conditions. It still amazes me how driving is a major...
Forum: The Lounge 04-08-2022, 12:51 PM
Replies: 12
Views: 1,253
Posted By JSH
Sold my car to Carvana

Well the deal is done, I sold my 2014 Sportwagen TDI to Carvana and the process was a painless as promised.

If you don’t know - Carvana is a tech company that buys and sell cars online. You can...
Forum: Aerodynamics 04-06-2022, 09:04 AM
Replies: 8
Views: 2,331
Posted By Vman455
Optimizing Aerodynamics of a Truck: Part 1

Read original here (https://www.amateuraerodynamics.com/2022/04/optimizing-aerodynamics-of-truck-part-1.html), and follow this truck's progress as I test more changes.

***

I’ve written before...
Forum: Aerodynamics 04-04-2022, 09:22 AM
Replies: 2
Views: 625
Posted By Vman455
Adding a TPS Display for Aerodynamic Testing

Read original here (https://www.amateuraerodynamics.com/2022/03/adding-tps-display-for-aerodynamic.html), along with other articles on aerodynamics and testing.

To test for changes in drag...
Forum: Aerodynamics 03-06-2022, 09:37 PM
Replies: 42
Views: 5,052
Posted By Vman455
External Mirror Removal (with tuft testing)

I started a blog recently; read the original article here. (https://www.amateuraerodynamics.com/2022/02/external-mirror-removal.html)

Mirrors are an easy drag problem to spot: they stick out from...
Forum: The Lounge 01-18-2022, 08:28 AM
Replies: 3
Views: 712
Posted By Cd
Came across a MotorWeek test of the Pontiac Pursuit ( car from the 'future' )

Love the covered front wheels, much like the AeroCivic.
https://youtu.be/ejx6xnyDCFg
Forum: The Lounge 01-12-2022, 12:14 PM
Replies: 39
Views: 3,975
Posted By freebeard
Would that be the Ecoflow Delta? My...

Would that be the Ecoflow Delta?


My Superbeetle? It has a Hall Effect transducer in the 010 distributor body.
Forum: Off-Topic Tech 12-28-2021, 07:44 AM
Replies: 21
Views: 3,539
Posted By MetroMPG
Safer than a motorcycle?

Safer than a motorcycle?
Forum: EcoModding Central 12-13-2021, 01:26 PM
Replies: 203
Views: 26,733
Posted By aerohead
some Tracer data

* I dug through my waking nightmare and did some internet searching.
* Length- 170.9-inches
* Width- 66.7-inches
* Height- 52.7-inches
* Cd 0.35 for the notchback
* Frontal Projected Area, ( Af...
Forum: EcoModding Central 10-03-2021, 04:49 PM
Replies: 168
Views: 28,147
Posted By Ecky
I realize people have asked what it's like to...

I realize people have asked what it's like to drive, and I don't think I gave a satisfactory answer to that. Here's a short video that might help:

https://www.youtube.com/watch?v=WYPALGTdxfs

...
Forum: EcoModding Central 10-02-2021, 07:13 PM
Replies: 168
Views: 28,147
Posted By Ecky
Aerocivic got its alignment. Apparently my...

Aerocivic got its alignment. Apparently my measuring tape and eyeball alignment was dead within spec on two wheels, around five thousandths off on one, and one was maybe 3 degrees out. :rolleyes:
...
Forum: EcoModding Central 09-12-2021, 08:53 PM
Replies: 168
Views: 28,147
Posted By Ecky
Started working on Aerocivic again today. This...

Started working on Aerocivic again today. This time I ... well, tried, to pull the rear passenger suspension apart. Even with heat and penetrating oil, there were multiple disasters:

-The bolt...
Forum: EcoModding Central 05-21-2021, 04:50 PM
Replies: 168
Views: 28,147
Posted By Autobahnschleicher
I've got a simmilar issue, my 5-speed close ratio...

I've got a simmilar issue, my 5-speed close ratio transmission is killing my fuel efficiency.
At 100 km/h (62 mph) I'm reving about 3000 rpm.
Even in city driving, I often find myself in 5th gear....
Forum: EcoModding Central 05-16-2021, 05:40 PM
Replies: 11
Views: 1,500
Posted By redpoint5
I've got one on the truck, but hardly ever switch...

I've got one on the truck, but hardly ever switch it on. Last time I used it was probably 10 years ago. A trucker asked if anyone knew how to get to the WalMart on Lancaster. I gave him directions,...
Forum: EcoModding Central 05-16-2021, 04:34 PM
Replies: 11
Views: 1,500
Posted By freebeard
I had one in my van in the 1970s. Never could...

I had one in my van in the 1970s. Never could understand a word said on the squawk box.
Forum: EcoModding Central 05-16-2021, 03:39 PM
Replies: 11
Views: 1,500
Posted By redneck
. Channel 9 is emergency only. However, it’s...

.

Channel 9 is emergency only. However, it’s not used very much anymore by police or emergency responders. Truckers use channel 19 and it is the most popular of the the 40 frequencies for general...
Forum: Aerodynamics 05-10-2021, 12:03 AM
Replies: 802
Views: 667,284
Posted By Ecky
Time to get into bed, need to be at work in 7...

Time to get into bed, need to be at work in 7 hours...

https://i.imgur.com/wnPngsM.jpg
Forum: Aerodynamics 05-09-2021, 12:27 AM
Replies: 802
Views: 667,284
Posted By Ecky
I almost forgot: I'm at around half a tank on the...

I almost forgot: I'm at around half a tank on the gauge, and I'm at 320 miles. I've been traveling around 65mph, and (though the SuperMID is a bit hard to read) if the instrumentation and fuel gauge...
Forum: Off-Topic Tech 05-08-2021, 02:32 PM
Replies: 7
Views: 1,409
Posted By redpoint5
How to measure parasitic drain

Here's my method of measuring parasitic drain of the 12v battery without losing memory settings.

https://www.youtube.com/watch?v=waQOHB4Z0XU
Forum: Aerodynamics 05-08-2021, 10:18 AM
Replies: 802
Views: 667,284
Posted By Ecky
Changed my mind. :D

Changed my mind. :D
Forum: Aerodynamics 04-26-2021, 10:08 AM
Replies: 28
Views: 2,630
Posted By Piotrsko
Last I did this, the radiator shop I used could...

Last I did this, the radiator shop I used could make a unit pretty much any height I wanted from my top and bottom caps, AND, could cut down the width also. Be advised it will be very pricey and you...
Forum: Aerodynamics 04-21-2021, 11:44 PM
Replies: 28
Views: 2,630
Posted By freebeard
M_a_t_t, I hope you realize what you've...

M_a_t_t, I hope you realize what you've accomplished here. :)
Forum: Aerodynamics 04-21-2021, 10:36 PM
Replies: 28
Views: 2,630
Posted By JulianEdgar
Yes I agree.

Yes I agree.
Forum: Aerodynamics 04-21-2021, 01:28 PM
Replies: 28
Views: 2,630
Posted By aerohead
reasonable............... calculate

1) it's unlikely that you can achieve the actual dynamic pressure anywhere else than in the actual location of the inlet at the nose. You'd have an unknown quantity out ahead of the car.
2) the...
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