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Search: Posts Made By: Gtaw
Forum: Aerodynamics 01-02-2012, 11:40 PM
Replies: 29
Views: 7,871
Posted By drmiller100
here is an idea to lower drag on a semi. Put...

here is an idea to lower drag on a semi.

Put an adjustable fin on the top of the sleeper. Make it so it pushes air up more or less with electric actuators.

Put an automotive barometric pressure...
Forum: Aerodynamics 06-08-2011, 02:24 PM
Replies: 21
Views: 9,343
Posted By Vekke
Since no better info has come conserning the...

Since no better info has come conserning the length it will be at the first tunnel that 1260mm long. Inner corners are done and also the reinforcement glasfiber layers to hold the corners and keep...
Forum: Success Stories 05-28-2011, 10:29 PM
Replies: 28
Views: 18,724
Posted By Bajascoob
"wind tunnell" testing

http://www.youtube.com/watch?v=T7fOFOq6GBM
Forum: Aerodynamics 04-11-2011, 02:56 PM
Replies: 337
Views: 75,559
Posted By aerohead
Vaseline and alum. foil

Weather,another quick and dirty trick for a release is to apply petroleum jelly to the integration area of the cars body,then 'adhere' aluminum foil to the jellied area using a firm bristle paint...
Forum: Aerodynamics 04-09-2011, 09:21 PM
Replies: 337
Views: 75,559
Posted By ECONORAM
use car wax as a release agent

Sorry I didn't find this thread sooner. What we did when I worked as an A&P could work for you.
We had to remove and reinstall fuel panels on integrated wing tanks. We'd remove the panels,...
Forum: Success Stories 03-22-2010, 10:43 PM
Replies: 28
Views: 18,724
Posted By Bajascoob
Light Weight AeroCap F-250

materials
7 lengths 1/2" emt conduit
1 -1/2 coupler (1/2")
2 - 1/2 conduit 90* elbows
5- 1/2 emt hold down brackets
desired hardeware (1/4" nut and bolts)
bag of 3/4" hose clamps
8- 1/2" L...
Forum: Aerodynamics 02-21-2010, 03:13 PM
Replies: 214
Views: 109,859
Posted By Fubeca
Well Charlie (ChazInMT) stopped by on his way out...

Well Charlie (ChazInMT) stopped by on his way out East and we had a good time chatting over lunch.

Funny - neither of us really seems to get much interest in our caps while out and about. But it...
Forum: Aerodynamics 01-08-2010, 11:41 AM
Replies: 214
Views: 109,859
Posted By ChazInMT
Why 12 degrees?

You guys hold a slavish devotion to this less than 15 degree thing, Just curious, do you ever consider the fact that when the airflow that is leaping over the roof of the truck, reaches the rear of...
Forum: Aerodynamics 10-06-2009, 04:50 AM
Replies: 51
Views: 15,365
Posted By DON-BUR
My name is Richard Owens and I represent DON-BUR,...

My name is Richard Owens and I represent DON-BUR, the manufacturers of the commercial Teardrop trailers.

We have done considerable work on the shaping of these vehicles and I wanted to clarify a...
Forum: Aerodynamics 01-03-2009, 03:02 PM
Replies: 9
Views: 5,580
Posted By Big Dave
My jerry-built fastback fairing, even thogh it is...

My jerry-built fastback fairing, even thogh it is too steep (17 degrees) improved my MPG by 1.5 MPG over a flat tonneau. They do work.

If you haven't the time or skills to make an aerocap, flat...
Forum: Aerodynamics 08-03-2008, 03:08 PM
Replies: 318
Views: 205,357
Posted By Concrete
s10 wheel cover test data

+150 miles later heres the data (raw)

................................out bound........Return..................Average
With wheel covers..........28.5.............29.2...
Forum: Aerodynamics 05-31-2008, 02:30 PM
Replies: 5
Views: 16,424
Posted By aerohead
aero mods-data-% change or Cd change ( installment # 7-Wheels/Tires/Wheelcovers/etc.

Note from Darin (admin): this installment is part of a series posted by Phil (aerohead) about the effectiveness of various aero mods - usually with quotations and citations to source data.

See the...
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