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Search: Posts Made By: gregersonke
Forum: Aerodynamics 06-02-2020, 06:48 PM
Replies: 57
Views: 5,543
Posted By gregersonke
When I increased cruising speed before, I would...

When I increased cruising speed before, I would get significantly worse average round trip gas mileage in the 40s, I would have to slow down to get 50s. now it's in the 50s consistently and I'm...
Forum: Aerodynamics 06-02-2020, 06:00 PM
Replies: 57
Views: 5,543
Posted By gregersonke
Truthfully, I did it for the crosswinds not fuel...

Truthfully, I did it for the crosswinds not fuel economy. The fuel economy was the 20k miles before and thus far the 4k after. But an observation afterwards of a sudden spike in fuel economy...
Forum: Aerodynamics 06-02-2020, 01:44 PM
Replies: 57
Views: 5,543
Posted By gregersonke
I don't see why it wouldn't work. Just adding...

I don't see why it wouldn't work. Just adding two of them to my 2020 prius prime in the back on the black plasic piece behind the shark wing at an angle increased my fuel mileage about 4-8 percent...
Forum: Aerodynamics 05-14-2020, 05:56 PM
Replies: 28
Views: 5,207
Posted By gregersonke
Update, I did digging, worked out some visuals. ...

Update, I did digging, worked out some visuals. I installed a few vortex generators around the center behind the antenna in the back plastic piece with a separation of about 11 inches at the...
Forum: Aerodynamics 02-25-2020, 06:01 PM
Replies: 28
Views: 5,207
Posted By gregersonke
This is on interstate 5 basically going between...

This is on interstate 5 basically going between 152 and 580. Headwinds are painful. However, some days, like yesterday, I can stick to 76mph and do pretty well. I averaged 108mpg over 72 miles...
Forum: Aerodynamics 02-21-2020, 07:50 PM
Replies: 28
Views: 5,207
Posted By gregersonke
Well, I'm thinking that it's already so...

Well, I'm thinking that it's already so efficient, it won't take much to increase it by much at that speed. I'm okay with the idea of the racing discs if I can actually get 2mpg out of them at...
Forum: Aerodynamics 02-21-2020, 01:18 PM
Replies: 28
Views: 5,207
Posted By gregersonke
2020 Prius Prime- Looking for tasteful Highway aeromod

Like the subject says, I've got a 2020 prius prime LE for work, and 45 miles of my commute is at a speed of 76-80 just to keep from getting run over on California interstate. I do a lot of IT stuff...
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