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Posts Made By:
jime57
Forum:
Aerodynamics
10-14-2013, 10:38 PM
Replies:
776
Aerodynamic Streamlining Template: Part-C
Views:
284,421
Posted By
jime57
If the "smoke" is coming from the right, are we...
If the "smoke" is coming from the right, are we to believe that the folks doing the test thought the "aerofoil" would be better with the pointed end into the wind?????
Forum:
Aerodynamics
06-05-2013, 02:43 PM
Replies:
776
Aerodynamic Streamlining Template: Part-C
Views:
284,421
Posted By
jime57
Look, don't take my name as a recommendation for...
Look, don't take my name as a recommendation for anything going on here. There are 3-4 guys who just won't let this thing die. Each is on the third or forth repeat of basically the same argument,...
Forum:
Aerodynamics
06-05-2013, 11:02 AM
Replies:
776
Aerodynamic Streamlining Template: Part-C
Views:
284,421
Posted By
jime57
Is there a spreadsheet which shows the percentage...
Is there a spreadsheet which shows the percentage heights of the various sections so that one might construct a large template to lay over the top of a car? If so, I missed it.
Forum:
Aerodynamics
06-03-2013, 10:23 PM
Replies:
226
MetroMPG's Honda Insight boat tail extension (cardboard) tuft video; ABA test +9.7%
Views:
93,779
Posted By
jime57
It would probably "advance the art" to have...
It would probably "advance the art" to have before and after testing on the undertray. From what I've read, I think the undertray is important to the performance of the boat tail. In fact, I think...
Forum:
Aerodynamics
05-24-2013, 01:39 PM
Replies:
226
MetroMPG's Honda Insight boat tail extension (cardboard) tuft video; ABA test +9.7%
Views:
93,779
Posted By
jime57
Sorry to be so late. Been very busy with the...
Sorry to be so late. Been very busy with the Mid-Atlantic Meet. Here are a couple of pictures of the underbelly:
Insight Belly Pan Photos by jepting | Photobucket...
Forum:
EcoModding Central
03-31-2013, 08:31 AM
Replies:
116
Experiment: coast down distances (rolling resistance) @ various tire pressures
Views:
51,864
Posted By
jime57
Yes, it is a very interesting experiment to try...
Yes, it is a very interesting experiment to try to conduct. Unfortunately, after trying the experiment a couple of times myself, as reflected in the thread, I'm only convinced that the RE92 wil...
Forum:
Aerodynamics
12-07-2012, 09:07 PM
Replies:
12
How much of a difference does grill block make?
Views:
3,695
Posted By
jime57
Very true! On my Insight, I keep the coolant...
Very true! On my Insight, I keep the coolant temp under control in winter with only 3x6" grill block opening by carefully ducting ALL cooling air through the radiator. But, one caution, you MUST...
Forum:
Aerodynamics
11-20-2012, 04:07 PM
Replies:
41
Edison2 VLC
Views:
12,070
Posted By
jime57
Visit to Edison2 Facility
Motored down to Lynchburgh yesterday to take a tour of the Edison 2 facility. The folks there are quite friendly and open, so you can pretty much walk in, but it is probably best to call first.
...
Forum:
Aerodynamics
10-25-2012, 04:04 PM
Replies:
44
Moon Caps - Any Value on 1st gen. Honda Insight? (A-B-A coastdown test)
Views:
10,119
Posted By
jime57
Moons Don't Help Insight
Well the very short answer is in the title.
A slightly longer version, after testing coastdown times from 70 to 50 MPH in bidirectional testing, one cannot discern any improvement or penalty in...
Forum:
Aerodynamics
09-24-2012, 05:32 PM
Replies:
154
The Underbody (flat belly pan is suboptimal - explanation & solutions offered)
Views:
61,881
Posted By
jime57
According to an earlier post by aerohead, a...
According to an earlier post by aerohead, a diffuser is an upward slanted surface which allows some recovery of pressure at the rear. This minimizes wake behind the vehicle. As the OP stated, such...
Forum:
Aerodynamics
09-20-2012, 08:51 PM
Replies:
12
I have a dream.....a local wind tunnel.
Views:
2,423
Posted By
jime57
Would love to see it happen, but I think it is a...
Would love to see it happen, but I think it is a pipe dream:(
You are talking about a very large inverstment and very few high paying customers. We here are not representative of the general car...
Forum:
Aerodynamics
08-29-2012, 08:57 AM
Replies:
43
basjoosing the Toyota T-100 (articulated front wheel skirts)
Views:
13,928
Posted By
jime57
You might want to consider adding a thicker...
You might want to consider adding a thicker radiator. With so many race cars out there, these thicker radiators have become more available and cheaper. Since they mount to the stock locations they...
Forum:
Aerodynamics
07-28-2012, 08:48 AM
Replies:
110
under belly pan for 02 Q45
Views:
87,281
Posted By
jime57
Read through your entire thread. I had many of...
Read through your entire thread. I had many of the same issues with the Insight. Missing support points, exhaust pipes and mufflers, attachment devices - we all face a lot of common problems. Nice...
Forum:
Aerodynamics
07-24-2012, 11:56 AM
Replies:
28
Insight Gen 1 Underbelly (now with photos)
Views:
7,398
Posted By
jime57
I have an old friend who has a shop which is...
I have an old friend who has a shop which is partially devoted to race cars. He has a nice chassis dyno and years of experience using it. He gets highly repeatable results - no small task with a...
Forum:
Aerodynamics
07-23-2012, 05:46 PM
Replies:
28
Insight Gen 1 Underbelly (now with photos)
Views:
7,398
Posted By
jime57
Insight Gen 1 Underbelly (now with photos)
Finally got time and inclination to do a complete underbelly on my silver Insight. I used aluminum in the front and rear, where there is some heat, and 4' coroplast sections in the middle of the...
Forum:
Aerodynamics
01-30-2012, 10:43 AM
Replies:
13
Attatchment of Grill block ideas
Views:
2,825
Posted By
jime57
I'm going to put up pictures soon as I have time,...
I'm going to put up pictures soon as I have time, but I got tired of bad looking, and unreliable grill blocks and their attachments. I decided to make my blocks out of 1/16" aluminum and find a...
Forum:
Aerodynamics
01-10-2012, 03:50 PM
Replies:
12
What about a Lotus Elise-like hot air outlets in the hood?
Views:
4,147
Posted By
jime57
This is the approach to that Hucho says is lowest...
This is the approach to that Hucho says is lowest in Cd. Hucho points out that the approach is not appropriate for street cars because it dumps the engine compartment air at the same point as the...
Forum:
EcoModding Central
01-01-2012, 09:39 PM
Replies:
116
Experiment: coast down distances (rolling resistance) @ various tire pressures
Views:
51,864
Posted By
jime57
I tried these tests myself and got a slightly...
I tried these tests myself and got a slightly different result, but only slightly.
I think that one potential problem the OP had was that his method did not adequately warm up the engine and...
Forum:
Aerodynamics
12-27-2011, 01:12 PM
Replies:
58
Biggest gains are at the back???
Views:
10,067
Posted By
jime57
The car and the subject have already been...
The car and the subject have already been discussed in some detail here:
http://ecomodder.com/forum/showthread.php/gm-describes-2013-chevy-malibu-eco-aerodynamic-tweaks-18528.html
That said, I...
Forum:
Aerodynamics
12-16-2011, 09:11 AM
Replies:
24
2013 GM Malibu aerodynamics
Views:
9,432
Posted By
jime57
Well, I thank that Frank said it best. "Wind...
Well, I thank that Frank said it best. "Wind tunnels, like chassis dynos, deliver different results in different hands," (i.e. particularly when marketing is involved - I'm giving GM a bit of...
Forum:
Aerodynamics
12-10-2011, 08:20 AM
Replies:
25
Home made wind tunnel
Views:
9,803
Posted By
jime57
And don't forget the weight of the smoke machine,...
And don't forget the weight of the smoke machine, which has to project out front by a ways;)
Forum:
Aerodynamics
12-01-2011, 10:40 AM
Replies:
7
Mercedes Aero Trailer
Views:
2,215
Posted By
jime57
If I remember correctly, and I can't recall or...
If I remember correctly, and I can't recall or find the proper thread, Phil has said that the template was a safe conservative way to lay out the taper. He never spoke to the amount of deviation...
Forum:
Aerodynamics
11-21-2011, 04:25 PM
Replies:
20
How do you aeromod a boatail in states that prohibit the licence plate covered?
Views:
3,538
Posted By
jime57
I'd not worry about having a small area transom...
I'd not worry about having a small area transom at the rear on which to mount an uncovered license plate. The last 20 percent or so of a well designed full boattail is mostly worthless, so the flat...
Forum:
Aerodynamics
11-20-2011, 08:15 AM
Replies:
5
Help with undertray
Views:
2,453
Posted By
jime57
Looks like both approaches might be right. Use...
Looks like both approaches might be right. Use Foam to fill the gap, then use a bolt to the fender liner to stabalize the whole package, without putting "much" stress on the liner. As you suggested...
Forum:
Aerodynamics
10-27-2011, 10:54 PM
Replies:
50
Tuft Testing on Insight Hatch Glass (2006 Honda Insight, 1st gen.)
Views:
8,392
Posted By
jime57
Well, it's up on youtube. Neil was right,...
Well, it's up on youtube. Neil was right, neither ISP that I use would forward the attached video via email. One service simply said as much, the other just choked and stopped without explanation....
Showing results 1 to 25 of 44
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