View Single Post
Old 03-02-2017, 05:11 PM   #49 (permalink)
gumby79
Master EcoModder
 
gumby79's Avatar
 
Join Date: Dec 2014
Location: Butte, Montana
Posts: 726

little jona - '91 Dodge D 250 first gen cummins LE
Team Streamliner
90 day: 23.4 mpg (US)

Little Jona airo modded - '91 Dodge RAM 3/4 TON D 250 2×4 AUTO
Pickups
Team Cummins
90 day: 18.5 mpg (US)

The Salted Hound Jenny. - '87 Dodge Ram 50/D-50 5sp 4X4
90 day: 20.24 mpg (US)

Jona Allison aero - '91 Dodge Ram D-250 Le
90 day: 20.76 mpg (US)
Thanks: 208
Thanked 428 Times in 279 Posts
Wow what a ride ....almost 5 years of R&D to this point.
Dam troll glad he went away
In post #18 pic #4
I noticed the doubled up hinges. And was thinking this would have the same effect as a Panhard Bar with too much angle, making it move forward and backward as the suspension cycles putting stress on the fixed front mount.. Causing causing the failure in post#21. In post #25 pic#2 the triple hinges is a nice solution.
Do you have any pictures of the flow visualization patterns on the belly, boat tail?
---
Hears a way not to have to wait for mother nature to make the marks.

Velox Motorsports Diffuser flow Visualization Testing
They used China white clay in water to make the juice .

Was there much of a difference between running the rear diffuser at 2° Vs 10°? Or was the angle change to better facilitate the boat tail trailer?

Keep on keeping on. I like the aluminum.
__________________
1st gen cummins 91.5 dodge d250 ,HX35W/12/6 QSV
ehxsost manafulld wrap, Aero Tonto
best tank: distance 649gps mi 24.04 mpg 27.011usg
Best mpg : 31.32mpg 100mi 3.193 USG 5/2/20


Former
'83 GMC S-15 Jimmy 2door 2wd O/D auto 3.73R&P
'79 Chevy K20 4X4 350ci 400hp msd custom th400 /np205. 7.5-new 14mpg modded befor modding was a thing
87' Hyundai Excel
83 ranger w/87 2.9 L FI2wd auto 18mpg on the floor
04 Mitsubishi Gallant 2.4L auto 26mpg
06 Subaru Forrester XT(WRX PACKAGE) MT AWD Turbocharged 18 plying dirty best of 26mpg@70mph
95Chevy Blazer 4x4 auto 14-18mpg
04 Chevy Blazer 4x4 auto 16-22mpg


  Reply With Quote
The Following 2 Users Say Thank You to gumby79 For This Useful Post:
aerohead (03-03-2017), BamZipPow (03-02-2017)