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Showing results 1 to 25 of 51
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Posts Made By:
maczo
Forum:
Aerodynamics
06-09-2020, 02:15 AM
Replies:
45
Measured aero pressures on Insight
Views:
3,483
Posted By
JulianEdgar
I tested a box cavity via pressure measurements...
I tested a box cavity via pressure measurements in the wake.
https://i.postimg.cc/Dw7q0wvX/IMG-0495-lighter.jpg
Test:
Honda Insight
14 degrees C
light, slightly variable winds
Forum:
Aerodynamics
05-23-2020, 07:55 PM
Replies:
51
comment on 1st-gen Porsche 911/912 lift
Views:
4,530
Posted By
JulianEdgar
Aerohead's theory is that lift is caused by...
Aerohead's theory is that lift is caused by separation, rather than attached flow. He also suggests that well-streamlined bodies have low lift.
However, in fact it is the airflow wrapping around...
Forum:
Aerodynamics
05-20-2020, 02:58 AM
Replies:
24
Measuring stuff
Views:
3,938
Posted By
JulianEdgar
The interesting thing about testing is that it...
The interesting thing about testing is that it can show you that what you were quite confident was working, perhaps isn't.
The rear diffuser on the Insight is angled upwards at about 10 degrees,...
Forum:
Aerodynamics
04-30-2020, 04:49 AM
Replies:
150
My new way of measuring on-road drag
Views:
16,256
Posted By
JulianEdgar
I have now made some mock-up aero attachments to...
I have now made some mock-up aero attachments to test for drag variations on the Insight.
Strakes to go in the rear diffuser:
https://i.postimg.cc/JzXTRQcD/DSC-3420.jpg
Side skirts:...
Forum:
EcoModding Central
04-05-2020, 08:31 AM
Replies:
46
What RPM range do YOU get the best mileage at?
Views:
6,487
Posted By
Frank Lee
All signs point to that piston speed range as a...
All signs point to that piston speed range as a good proxy for when you don't have a BSFC chart.
Years ago I inquired here about optimal piston speed and why wouldn't slower be better (because the...
Forum:
Aerodynamics
08-14-2019, 11:42 AM
Replies:
7
Positive effect of roof rack on square-back?
Views:
1,337
Posted By
aerohead
turning vanes
I don't have the most current literature,but Wolf Hucho,who ran the climatic wind tunnel at Volkswagen for a decade couldn't get any of them to reduce drag.
The only thing he actually ever measured...
Forum:
Aerodynamics
08-14-2019, 11:36 AM
Replies:
7
Positive effect of roof rack on square-back?
Views:
1,337
Posted By
aerohead
roof rack benefit
I've not seen any evidence of it in 45-years of looking.I've seen a lot of evidence to the contrary.
Forum:
EcoModding Central
08-29-2018, 08:29 PM
Replies:
432
"MPGiata" modding thread: aiming for 50 MPG with a 1990 Miata. Update: success, 55 MPG!
Views:
81,427
Posted By
MetroMPG
But none of those suggestions can be accomplished...
But none of those suggestions can be accomplished with duct tape!
Forum:
Aerodynamics
01-25-2015, 11:21 AM
Replies:
67
Automotive Aerodynamics (video series)
Views:
18,962
Posted By
graysgarage
Automotive Aerodynamics (video series)
Hey guys,
I recently started a video series on automotive aerodynamics. During my research for each episode, I am often directed to this forum. So I thought I'd share my findings, enjoy!
...
Forum:
DIY / How-to
11-06-2014, 09:19 AM
Replies:
0
How to fasten a Grill Block with Ziptie Plugs
Views:
1,523
Posted By
Vekke
How to fasten a Grill Block with Ziptie Plugs
I made a instructional video how you can fasten a grill block to your car with Ziptie Plugs:
https://www.youtube.com/watch?v=pmmZjTcPN9E&feature=youtu.be
Forum:
Aerodynamics
08-31-2014, 03:58 PM
Replies:
20
5 Basic Aeromods: A-B-A Test Results
Views:
10,643
Posted By
accord_minded
5 Basic Aeromods: A-B-A Test Results
Hi All--
I just ran an A-B-A test on 5 basic aeromods. These are mods that pretty much anyone can do. The full test description is below. But here is the bottom line: by increasing tire...
Forum:
DIY / How-to
06-10-2014, 11:06 PM
Replies:
37
How to install LSD in your honda civic manual tranny
Views:
12,658
Posted By
some_other_dave
It's also self-machining! After a while, you'll...
It's also self-machining! After a while, you'll wear the bits that the blocks rub against, depositing the trash in your oil. And when you wear through the hardened layer, it all accelerates...
...
Forum:
DIY / How-to
05-20-2014, 11:41 PM
Replies:
14
D.I.Y. Engine Bay cleaning using WD-40 (pics)
Views:
20,738
Posted By
user removed
Now whose communication skills are toilet based.
Now whose communication skills are toilet based.
Forum:
EcoModding Central
05-17-2014, 12:34 PM
Replies:
393
Slow progress but progress (DIY two seater tadpole trike, 9hp Honda diesel)
Views:
140,891
Posted By
user removed
Front panel and sides installed, windshield...
Front panel and sides installed, windshield mocked up in place.
regards
Mech
Forum:
EcoModding Central
05-13-2014, 04:23 PM
Replies:
357
Aeromodded Civic VX 72mpg (image heavy)
Views:
141,473
Posted By
The donkey CRX
Reply to Basjoos
I agree that the "Mad Max" type air dam on the front of my VX is more or less a "down and dirty" solution as you stated. I am convinced that if we had done one more like yours we would have seen even...
Forum:
The Unicorn Corral
04-23-2014, 01:55 PM
Replies:
35
Save gas... by never stopping for a drink.
Views:
6,104
Posted By
jakobnev
Next week i'll upload a hypermiling video where i...
Next week i'll upload a hypermiling video where i show how to pee out the sun roof during a long coast.
Forum:
Aerodynamics
02-08-2014, 10:12 AM
Replies:
126
2000 Dodge Neon aero mods
Views:
50,054
Posted By
MetroMPG
That has a certain look of finality to it. ...
That has a certain look of finality to it.
On the plus side, the frontal area has been optimized.
Forum:
DIY / How-to
10-29-2013, 05:04 PM
Replies:
92
Heat storage system (Prius-like insulated coolant reservoir)
Views:
36,952
Posted By
Obormot
hello! such system already was in serial...
hello!
such system already was in serial production in Russia many years ago, name "U.O.P.D." (= УОПД in russian).
designed for improving of starting cold engine in extremally low temperatures,...
Forum:
Success Stories
10-26-2013, 12:53 PM
Replies:
18
Best trip ever - for now :)
Views:
2,394
Posted By
AndrzejM
Filled up
I needed to eat something so I've stopped in Serbia and decided that I'll fill Berta's tank. I wasn't sure that MPGuino's calibration was accurate so didn't know how much fuel left in the tank. And...
Forum:
Success Stories
10-03-2013, 11:44 AM
Replies:
30
P&G EOC gains 20% mpg on the highway
Views:
8,292
Posted By
Diesel_Dave
Yes, P&G will definitely help more on an...
Yes, P&G will definitely help more on an overpowered vehicle (such as my truck).
If you want proof that EOC P&G saves fuel I recently measured my idle fuel rate and found it to be slightly greater...
Forum:
Success Stories
06-27-2013, 01:04 PM
Replies:
85
Double kilotank: 2,009.6 mi on one 35 gal tank ('07 Dodge Ram 2500 quad cab)
Views:
51,316
Posted By
Diesel_Dave
Double kilotank: 2,009.6 mi on one 35 gal tank ('07 Dodge Ram 2500 quad cab)
I filled up this morning and this tank was far far my best ever. A double kilotank--over 2,000 miles on one tank of fuel (2,009.6 to be exact):...
Forum:
Aerodynamics
05-30-2013, 11:08 PM
Replies:
172
Boat tail - Redneck style...
Views:
58,440
Posted By
redneck
Yes. I had a few people ask me questions at...
Yes.
I had a few people ask me questions at rest areas along the way.
One particular person happened to be a truck driver. Japanese I believe. He took several pictures and said he was very...
Forum:
Aerodynamics
05-30-2013, 03:03 PM
Replies:
172
Boat tail - Redneck style...
Views:
58,440
Posted By
redneck
Boat tail - Redneck style...
Well, I couldn't stand it anymore. After seeing the results of the other boat tailed vehicles here on the site, I decided it was time to jump in the pool and join the party...:)
It may not be as...
Forum:
EcoModding Central
05-28-2013, 02:37 AM
Replies:
27
Shortie771's Del Sol Si - Build Thread
Views:
4,860
Posted By
Shortie771
Here are a few pics of my EOC kill switch that I...
Here are a few pics of my EOC kill switch that I decided to get a little creative with. I turned an old computer gaming joystick into my shifter by removing all of the un-needed parts and threading...
Forum:
EcoModding Central
05-25-2013, 08:31 AM
Replies:
25
What have you done to improve your fuel econmy today?
Views:
3,019
Posted By
jakobnev
I'll be drinking beer today, so no driving....
I'll be drinking beer today, so no driving. :thumbup:
Showing results 1 to 25 of 51
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