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Old 12-05-2017, 05:03 PM   #31 (permalink)
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3-Wheeler has a beautiful and meticulous belly pan, but as far as I know, he has not tested it, he just reports better fuel economy: Honda Insight Under-body Smoothing Panels (custom belly pan / undertray)

Also, his boat tail is a thing of beauty: Honda Insight Tail Extension Project

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Old 12-13-2017, 05:21 PM   #32 (permalink)
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I nominate SedanKamm. If you have interest in aerodynamic trailers, my buddy and I have built a couple. One actually improved the fuel efficiency of a Ford E150 on the highway, the other minimally impacted the FE of a Prius on the highway (but was designed to add cargo volume more than anything). Impressive projects you won't find on here. I would have to see if my friend would release pictures of the van/trailer. He had plans at one time, no idea where that stands today.

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Old 12-14-2017, 04:39 AM   #33 (permalink)
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Yes, I am interested in featuring an aerodynamic trailer behind a car (not a truck; already have one of those).

Book word count reached 88,000 words and 313 pics today, so it is on track for deadline (mid 2018).

I spent most of the day writing about what I consider to be the seminal aero cars of the last 100 years (but excluding some that are already being used as numerous examples elsewhere in the book).
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Old 12-14-2017, 05:57 AM   #34 (permalink)
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I am writing a major book on modifying road car aerodynamics. I have organised one of the top aerodynamicists in the UK to act as my technical consultant.

It will be a big book so there is plenty of room for lots of examples. I am after examples to feature of home-based road car aerodynamic modifications, where there is data available that they work (eg reduced fuel consumption, wool tuft pics of the improved flows, etc).


Maybe you'll find something of interest here.
(Boat tail, belly pan, full skirts and more...)

Boat tail - Redneck style...




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Old 12-15-2017, 11:40 AM   #35 (permalink)
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Prius Aero Trailer

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Originally Posted by JulianEdgar View Post
Yes, I am interested in featuring an aerodynamic trailer behind a car (not a truck; already have one of those).

Book word count reached 88,000 words and 313 pics today, so it is on track for deadline (mid 2018).

I spent most of the day writing about what I consider to be the seminal aero cars of the last 100 years (but excluding some that are already being used as numerous examples elsewhere in the book).
This setup was good for just over 44MPG at 70 mph for over 800 miles in ideal 70 degree conditions (still had to run AC because of all the glass a Prius has...).

Just a side note, the friends E150 is a full size van, not a truck. Think church van, but the 10 passenger size.
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Old 12-16-2017, 12:19 AM   #36 (permalink)
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Quote:
Originally Posted by JulianEdgar View Post
Yes, I am interested in featuring an aerodynamic trailer behind a car (not a truck; already have one of those).
Woohoo! Aerodynamic trailer behind a truck!

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Old 12-17-2017, 04:53 PM   #37 (permalink)
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I sent email concerning my Lupo 2L and Audi A8 3L projects:
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Old 02-07-2018, 07:58 PM   #38 (permalink)
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Just an update on the book. I've now written 110,000 words and put together 400 images.

Jaguar's chief aerodynamicist has been very helpful with providing me with material and reading some book sections.

F1 aerodynamicist Willem Toet has been commenting on some chapters, and Professor Joseph Katz has just agreed to read some draft material and comment on it.

My technical consultant, RH Barnard has been going through the material chapter by chapter.

If you want to appear in the book, there are still some opportunities.

I am after good quality photos (preferably at least 1000 pixels wide) of the following modifications:

1. Belly pan (undertray), not on a Honda Insight and made with good quality construction.

2. Grille block, preferably one that is removable if conditions require that.

3. Rear separation edges that have been added.

If you have any of these and want to be in the book, email me some pics at julianedgar1 [at] gmail.com. If I think I can use them, I'll get back to you with a request for a description, materials used, etc.
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Old 02-07-2018, 09:11 PM   #39 (permalink)
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Rear separation edge . Got one ? I do . Only problem with it is it's attached to my parts that you already have good examples of
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Old 02-07-2018, 09:30 PM   #40 (permalink)
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Damn... I missed this one!

So nice to see you doing something like this, Julian... big fan of AutoSpeed!

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