09-12-2015, 02:58 AM
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#11 (permalink)
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Master EcoModder
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OK, we are back. My lovely bride went along to record data. Drumroll please....
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The tests were a total wash 
Some would see this as a failure. Sure, I got all excited about a good half tank.
I see it as a success, because I taped a huge arse ugly wart of cardboard to my roof and I did not HURT my aero. 
It was rough as could be. With a finer finish and transition from beetle to kammback/top, it will be helpful.
__________________
2007 Dodge Ram 3500 SRW 4x4 with 6MT
2003 TDI Beetle
2002 TDI Beetle
currently parked - 1996 Dodge 2500 Cummins Turbodiesel
Custom cab, auto, 3.55 gears
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 Today
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09-12-2015, 03:18 AM
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#12 (permalink)
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Master EcoModder
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OTOH, I just got the 'tapeee' joke
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09-19-2015, 01:14 AM
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#13 (permalink)
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Master EcoModder
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Tomorrow is round 2. I need to find a lesser terminal test hill and also a better coast down road. Hard to find a good flat road.
__________________
2007 Dodge Ram 3500 SRW 4x4 with 6MT
2003 TDI Beetle
2002 TDI Beetle
currently parked - 1996 Dodge 2500 Cummins Turbodiesel
Custom cab, auto, 3.55 gears
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09-19-2015, 01:38 AM
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#14 (permalink)
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Master EcoModder
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We used to live on Key Pennsula outside of Purdy (A little past Gig Harbor). There is small hump bridge and then a flat 1/2 mile long spit. Probably way too busy and always windy. Nice drive though.
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09-19-2015, 01:43 AM
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#15 (permalink)
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Master EcoModder
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I was down that road a couple of weeks ago to buy a trailer for the beetle 
__________________
2007 Dodge Ram 3500 SRW 4x4 with 6MT
2003 TDI Beetle
2002 TDI Beetle
currently parked - 1996 Dodge 2500 Cummins Turbodiesel
Custom cab, auto, 3.55 gears
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09-19-2015, 02:58 PM
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#16 (permalink)
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Master EcoModder
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failure
Quote:
Originally Posted by skyking
OK, we are back. My lovely bride went along to record data. Drumroll please....
.....
....
....
The tests were a total wash
Some would see this as a failure. Sure, I got all excited about a good half tank.
I see it as a success, because I taped a huge arse ugly wart of cardboard to my roof and I did not HURT my aero.
It was rough as could be. With a finer finish and transition from beetle to kammback/top, it will be helpful. |
My thought is that the spoiler is ahead of the separation line,not behind it,rendering it ineffective.
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09-19-2015, 10:04 PM
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#17 (permalink)
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Master EcoModder
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The rendering you reposted and the experiments I did with redwood strips suggest that the transition from the greenhouse cross-section to a nice Templatey half-circle can begin at maximum camber(generally at C-pillar) and angle or curve back to about the middle of the quarter window.
I'm working on a more permanent (i.e., roadable) boattail, it will be about half that height so it doesn't affect engine cooling and not have the reverse camber.
The breakthrough was realizing I can hand bend the parts over an old water heater. |
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09-19-2015, 10:21 PM
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#18 (permalink)
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Master EcoModder
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Nice! like using a roll of tape for a circle template, a soup can, coffee can, etc.
__________________
2007 Dodge Ram 3500 SRW 4x4 with 6MT
2003 TDI Beetle
2002 TDI Beetle
currently parked - 1996 Dodge 2500 Cummins Turbodiesel
Custom cab, auto, 3.55 gears
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09-20-2015, 01:37 AM
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#19 (permalink)
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Master EcoModder
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I've said too much, now people will expect results.
I may or may not be working on air curtains for the front wheel wells.
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09-21-2015, 09:17 AM
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#20 (permalink)
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Master EcoModder
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__________________
George
Architect, Artist and Designer of Objects
2012 Infiniti G37X Coupe
1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft
You cannot sell aerodynamics in a can............
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