Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - 5th generation civic hatchback

AndrewJ · 01-04-2008, 10:22 PM

I agree that the airdam isn't optimal FE-wise. However, I'm finding that it is a really nice thing to have as part of a work-in-progress car.
I will be modifying the airdam further as I continue to work on the car, eventually resulting in it being just a grille block/wheel spoiler type thing.
But for now, while I won't be able to do a full bellypan anytime soon, it's helping to staunch the aero losses.

I like the mini-boattail idea behind the wheels, I may have to work that into my car somehow. I've been thinking of trying sideskirts next, maybe work them into the mix there?

And after re-reading IWillTrys post I think I'll have to look for a new place to do my next round of coastdown testing. It looks like the tests might be more accurate if I start out with a higher top speed, where the areo-drag is more pronounced.
My current testing circuit is a 50mph speed limit, and right next to the Highway patrol headquarters. Probably not wise to speed

basjoos: How did you get your Cd numbers? Any tips?

01-04-2008, 10:22 PM	#36 (permalink)
AndrewJ Awesomeness personified Join Date: Dec 2007 Location: Columbia, MO Posts: 642 Harold - '94 Honda Civic CX 90 day: 54.51 mpg (US) Margot - '08 Surly Big Dummy Thanks: 0 Thanked 28 Times in 18 Posts	I agree that the airdam isn't optimal FE-wise. However, I'm finding that it is a really nice thing to have as part of a work-in-progress car. I will be modifying the airdam further as I continue to work on the car, eventually resulting in it being just a grille block/wheel spoiler type thing. But for now, while I won't be able to do a full bellypan anytime soon, it's helping to staunch the aero losses. I like the mini-boattail idea behind the wheels, I may have to work that into my car somehow. I've been thinking of trying sideskirts next, maybe work them into the mix there? And after re-reading IWillTrys post I think I'll have to look for a new place to do my next round of coastdown testing. It looks like the tests might be more accurate if I start out with a higher top speed, where the areo-drag is more pronounced. My current testing circuit is a 50mph speed limit, and right next to the Highway patrol headquarters. Probably not wise to speed basjoos: How did you get your Cd numbers? Any tips? __________________ "I got 350 heads on a 305 engine. I get 10 miles to the gallon. I ain't got no good intentions." - The Drive By Truckers.