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Forum: Aerodynamics 12-20-2018, 01:52 AM
Replies: 6
Views: 3,331
Posted By rumdog
02 Civic underbody panel

Hi all. I am attempting to do an underbody panel (ubp) on my civic. I have been commuting to work with this 4 door sedan for 15 weeks now, about 140km return each day, divided highway. Through this...
Forum: Introductions 03-07-2017, 08:33 PM
Replies: 14
Views: 2,934
Posted By rumdog
Sounds like a sweet ride! Welcome. 5 posts and...

Sounds like a sweet ride! Welcome. 5 posts and you can upload photos, which im dying to see!
Forum: Aerodynamics 01-31-2017, 12:57 AM
Replies: 27
Views: 5,291
Posted By rumdog
AR-5 videos

Bumping this old thread as i have been watching these excelent videos full of design and construction details... heres the link https://youtu.be/U2PX1p7nbw8

Mike uses sandwich construction with...
Forum: Aerodynamics 01-13-2017, 09:31 AM
Replies: 12
Views: 2,824
Posted By rumdog
Krylon for plastic worked good for me. Not...

Krylon for plastic worked good for me. Not scratch proof but lasts over a year. And i dont remember sanding before just cleaning.
Forum: Aerodynamics 01-11-2017, 10:13 AM
Replies: 6
Views: 2,790
Posted By rumdog
airdam height

Teoman,
Plug airdam and height into the search bar and check out the threads.
For me 6 inches or 150mm is a healthy gap... i do kiss my kerb on my driveway when reversing out too fast. any lower...
Forum: Aerodynamics 01-04-2017, 02:04 AM
Replies: 68
Views: 12,912
Posted By rumdog
snow

I do find the cold weather interesting from an aero point of view, like you say with the snow build up and road grime on the rear, and also when it gets real cold like below minus 30 celcius (like...
Forum: Aerodynamics 01-03-2017, 10:27 AM
Replies: 68
Views: 12,912
Posted By rumdog
Mod update... i tweaked the rear edge of the cap...

Mod update... i tweaked the rear edge of the cap in 2015...

Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - rumdog's Album: Airfastcap - Picture...
Forum: Aerodynamics 01-03-2017, 01:33 AM
Replies: 6
Views: 2,790
Posted By rumdog
Airdam build using conveyor belt

Hi team i took some pics as i was building the air damn on the old gmc. The factory one was missing and my buddy gave me a length of belt, bout 1/2 inch thick (12 mm). The width was 7 inches which...
Forum: Alternative Transportation 04-12-2016, 09:51 AM
Replies: 25
Views: 4,899
Posted By rumdog
Batec Mobility - Add-on handbikes for wheelchair:...

Batec Mobility - Add-on handbikes for wheelchair: manual and power handbikes easy to attach to the wheelchair. Revolutionary anchoring system - Batec Mobility - Handbikes acoplables para silla de...
Forum: Aerodynamics 03-29-2016, 10:38 PM
Replies: 155
Views: 39,583
Posted By rumdog
Cool man, looks good. I like the rounded corners...

Cool man, looks good. I like the rounded corners and i think the air will too. It looks lightweight.
Forum: Aerodynamics 03-16-2016, 07:41 PM
Replies: 47
Views: 9,261
Posted By rumdog
And looks too. Looks functional but most are too...

And looks too. Looks functional but most are too steep that i have seen.
Forum: Aerodynamics 03-09-2016, 09:24 PM
Replies: 67
Views: 18,978
Posted By rumdog
Ha me too freebeard i was making a funny face...

Ha me too freebeard i was making a funny face trying to decifer it.
54% geez thats a big drop in drag. My cap is a similar shape, i was guessing 1/4 to 1/3 reduction in drag, but would be happy to...
Forum: Aerodynamics 02-22-2016, 09:28 AM
Replies: 155
Views: 39,583
Posted By rumdog
Great progress man! Keep it going!

Great progress man! Keep it going!
Forum: Aerodynamics 12-31-2015, 01:31 AM
Replies: 68
Views: 12,912
Posted By rumdog
Freebeard I see this...:D

Freebeard I see this...:D
Forum: Aerodynamics 12-30-2015, 09:10 PM
Replies: 32
Views: 10,795
Posted By rumdog
Morelli paper

This is a super interesting paper aerohead. Lots of good stuff...

*centrifugal fan rims! Well of course! Then pumping the air into the wheel wake to fill in the ring. Genius.

*the shape of the...
Forum: Aerodynamics 12-21-2015, 07:34 PM
Replies: 68
Views: 12,912
Posted By rumdog
action shots!

I dig the photo feed so heres a couple pics of the aerocap in action... 40 sticks of 10m rebar on top, and a load of tree roots.
...
Forum: Aerodynamics 12-13-2015, 10:37 AM
Replies: 323
Views: 53,991
Posted By rumdog
shop

Pasive solar shop eh? Sounds good any pics? I know my greenhouse can be 20 to 25 degrees above outside in the winter . (Lattitude 51ish) . Did i read that right, 14 inches deep? I guess just enough...
Forum: Aerodynamics 12-10-2015, 12:17 AM
Replies: 68
Views: 12,912
Posted By rumdog
Thanks aardvarkas, i did try to make it funtional...

Thanks aardvarkas, i did try to make it funtional as i use the bed almost daily, and its no fun sliding in there on your belly. I used gate hinges for the pivot, allowing it to pivot at the very...
Forum: Aerodynamics 12-06-2015, 11:32 AM
Replies: 68
Views: 12,912
Posted By rumdog
1 year update

Hi team, quick update on the gmc... yes its still going, has about 610,000 on it now. I finally got my hands on some gas struts to lift the topper. Only 15 bucks each from princess auto - love that...
Forum: EcoModding Central 12-04-2015, 10:16 AM
Replies: 32
Views: 4,467
Posted By rumdog
Nice cougar. I like the idea of fairings behind...

Nice cougar. I like the idea of fairings behind the vents. Thats great she has a belly pan already. Good luck
Forum: Aerodynamics 06-07-2015, 12:00 PM
Replies: 17
Views: 4,305
Posted By rumdog
The Don bur designed trailer was included in this...

The Don bur designed trailer was included in this interesting thesis on aerodynamic devices for semi trailers:

http:// publications.lib.chalmers.se/records/fulltext/133659.pdf

EDIT tried to...
Forum: Aerodynamics 06-06-2015, 11:24 PM
Replies: 29
Views: 6,546
Posted By rumdog
aerocap for trailer pulling

For sure it will help pulling a trailer, i have had good results with a similar setup to pull enclosed trailer... see thread...
Forum: Aerodynamics 05-23-2015, 02:51 PM
Replies: 68
Views: 12,912
Posted By rumdog
Had the chance today to drive to a job not in a...

Had the chance today to drive to a job not in a hurry and not too loaded with tools. Mostly highway with 10% gravel road. I took the chance to measure fuel consumption... best yet - 12.07 l/100kms,...
Forum: Aerodynamics 05-12-2015, 01:54 AM
Replies: 68
Views: 12,912
Posted By rumdog
trailer fairing

So it was calm enough today to try the topper in the up position, while hauling the trailer... (see earlier photos). Results: wow. Increased drivability... i now have from 80 to 100 +km/h in OD and...
Forum: Aerodynamics 05-08-2015, 08:17 PM
Replies: 6
Views: 1,059
Posted By rumdog
Yea i was thinking about tapering behind my...

Yea i was thinking about tapering behind my mudguards on my trailer.
I think pvc or abs (black) pipe would finish off your mod nicely.
Is that a skull n horns in the front, or am i seeing things?
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