View Single Post
Old 02-13-2016, 03:50 PM   #20 (permalink)
gumby79
Master EcoModder
 
gumby79's Avatar
 
Join Date: Dec 2014
Location: Butte, Montana
Posts: 725

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 427 Times in 278 Posts
Click image for larger version

Name:	before starting with 4in of powder to show air flow pattern (1).jpg
Views:	86
Size:	109.8 KB
ID:	19634Click image for larger version

Name:	before starting with 4in of powder to show air flow pattern (2).jpg
Views:	114
Size:	89.3 KB
ID:	19623
Had 4" of power fall and decided to do an air flow test

these were taken after 2mi at 25 mph and 1mi at 45mph out side Anaconda, MT
Click image for larger version

Name:	@45mph out side of Anaconda,MT (1).jpg
Views:	103
Size:	70.9 KB
ID:	19625
notice the vortex patterns at the transition from horizontal to vertical
Click image for larger version

Name:	@45mph out side of Anaconda,MT (2).jpg
Views:	136
Size:	85.6 KB
ID:	19626
I only cleared the snow from the windshield, side windows and hood
Click image for larger version

Name:	airo check @60mph  near wisdom ,MT (3).jpg
Views:	217
Size:	111.1 KB
ID:	19628
Click image for larger version

Name:	@45mph out side of Anaconda,MT (4).jpg
Views:	173
Size:	96.8 KB
ID:	19627

these were taken near Wisdom, MT 10mi at 60mph
the first one shows the air attachment going to the tail in the horizontal plain and warping in in the back from vertical
Click image for larger version

Name:	@45mph out side of Anaconda,MT (5).jpg
Views:	102
Size:	129.4 KB
ID:	19624
Click image for larger version

Name:	airo check @60mph  near wisdom ,MT (3).jpg
Views:	217
Size:	111.1 KB
ID:	19628
Click image for larger version

Name:	airo check @70mph (3).jpg
Views:	73
Size:	115.1 KB
ID:	19631

a small disturbance behind the hinge other wise it looks like the "ladder rack" [part that protrudes above the cab ] dues not create much disturbance , as expected some but small. the air is steal able to stay attached
Click image for larger version

Name:	airo check @60mph  near wisdom ,MT (1).jpg
Views:	71
Size:	136.3 KB
ID:	19630
these were taken at Georgetown lake speeds of up to 70mph
Click image for larger version

Name:	airo check @70mph (1).jpg
Views:	96
Size:	140.6 KB
ID:	19629
this shows the termination past the tailgate after I built the canape I noticed that "ALL" the new trucked have a similar shape added to the top of the tailgate depending on the make from 2"-6" to help brake the vacuum bubble at the tailgate
Click image for larger version

Name:	airo check @70mph (2).jpg
Views:	102
Size:	126.8 KB
ID:	19633

and to show why a 2 piece canape. It's a truck its gotto be able to work. 30 70lbs bails of hay
Click image for larger version

Name:	60 bails 70lbs (5).jpg
Views:	68
Size:	127.9 KB
ID:	19632
so far I'm avraging 24mpgs on the flats with a 22mpg low and 27.9mpg all time high
__________________
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 (02-13-2016), BamZipPow (02-15-2016)