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Old 09-05-2014, 02:26 AM   #91 (permalink)
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Hmmm. Maybe I can build an aerocap for my parent's F350 diesel.

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Old 09-05-2014, 10:48 AM   #92 (permalink)
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prius comparison = great

Sounds like fun was had by all.

Quote:
Originally Posted by aerohead View Post
They use polypropylene,forced under air pressure up to the wand head ,where the heating element flashes it into the smoke.


Interesting.

Quote:
We had all been discussing the CAR and DRIVER tunnel tests at the A2 Tunnel in North Carolina and Tyler was curious about what the numbers correlation between Darko and A2 might be.And since Gary had his 2010,Gen-3 Prius,Tyler said,what about throwing it in the tunnel for a comparison for free!
We juumped at the chance and after reconfiguring the load cell carriers we put Gary's car for a 76-mph run.
The Gen-3 came in at Cd 0.285.We can compare that figure with A2's number.
I love this part - to put the C&D numbers in context (and also highlight the variability between facilities).

Looking forward to the pictures & videos.

Have a great time on the salt!
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Old 09-05-2014, 12:19 PM   #93 (permalink)
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Outstanding numbers!

Phil, sounds like you had an outstanding day yesterday! A 39% reduction in drag is unbelievable! I'd say you have the slipperiest pickup truck on the planet. Looking forward to seeing the smoke visualization video.

Good show,

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Old 09-05-2014, 12:23 PM   #94 (permalink)
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Quote:
Originally Posted by MetroMPG View Post
I love this part - to put the C&D numbers in context (and also highlight the variability between facilities).
To save everyone (else) from looking....

C&D measured/published .26 for the Prius in their article.
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Old 09-05-2014, 12:49 PM   #95 (permalink)
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Phil - you need video mirrors! :-)
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Old 09-05-2014, 01:09 PM   #96 (permalink)
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WOW. Awesome results, looking forward to video!
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Old 09-05-2014, 02:45 PM   #97 (permalink)
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Quote:
Originally Posted by elhigh View Post
I picked a fantastic datum out of Phil's post:
"Since I left Denton 6-1/2 hours late,I went ahead and ran 75-mph with strong winds,grades,up to over 7,000 feet,returning 30.8 mpg"

Uphill, upwind, high speed, pickup truck 30+mpg. Dang.
!!!!#!

Wow Amazing work!! So unbelievably impressive! I can't wait to see the pictures and video! I wish you had more then 2GB!!
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Old 09-09-2014, 04:06 PM   #98 (permalink)
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Diffuser and some belly K.I.A.

Yesterday upon entering the lakebed I struck an underwater hazard which caught the diffuser,ripping it off,while bending its aft neighbor's leading edge down at a 90-degree angle within a few inches of the ground.(wettest I've ever seen Bonneville).
I heard the 'ground strike' but had no idea of the damage until I'd reached the starting line.
That kinda ended Bonneville right there.
I back-tracked,located the diffuser in the midst of a pond,pulled off my shoes and waded out to retrieve it.Pretty mangled!
I threw it on top of the truck and drove to the cul'd sac of the frontage road where I could beat it down flat enough to load.
After a trip to the DIY car wash I was able to remove the bent belly section for stowage.
I found a flat faced rock to use as a body dolly and was able to beat the creases out of the rocker panel with a plastic-faced hammer.
I found some screws and picture-hanging wire at a grocery store which allowed for the rocker to pull back in,flush as before.(kinda)(don't forget chewing gum,and bailing wire when you travel!)
Late day she was safe for travel.I topped off and headed for Battle Mountain.
This morning there was some qualifying runs.Right now,we're all at the civic center with some school kids (I'm next door at the library).
Lots of boat tail photos.
Delft has already gone 80-mph with a new rider.
More runs this evening.
I'll head for Carson City,Nevada tomorrow.
I've had wind the whole trip so far.32.7-mpg from Ogden to the salt flats.
With the belly compromised she's an unknown quantity again.
The beat goes on.I'll check in when I have more numbers.
Special thanks to Freebeard who entertained me with an impressive ride in his Bug,a great Mexican dinner at the Salt Flats Cafe,and some emergency cash to help with the return trip.
And again,thanks to the whole EcoModder crew who've helped underwrite the trip.
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Old 09-09-2014, 06:03 PM   #99 (permalink)
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Sounds like you have had your challenges this trip. Better luck next time.
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Old 09-09-2014, 06:43 PM   #100 (permalink)
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You didn't tell me all that at the time, but then we had a lot to talk about.

Home safe. I had 4 fillups but at one they gave me a reciept from some guy who had used a credit card to buy diesel. Big hole in the data, but
  • Coburg to Elko = 34.6mpg (17.32 gallons not 17)
  • Elko to Elko = ?34? (bad receipt, main tank only)
  • Elko to Redding = 37.3mpg (downhill most of the way)
  • Redding to Coburg = 30.5mpg (don't know what heppened here, I rolled from the Siskyou Summit to the 1st Ashland exit with the key off (11 miles))

If you need more drawings of a Polymetal 4-barred front fender skirt let me know.

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