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06-28-2012, 04:29 PM
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#1
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Member
Join Date: Jun 2012
Location: Manitoba Canada
Posts: 50
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Will the wind slow us down
We have a 07 GMC 6.6 litre Duramax. As indicated we are looking at a 2010 29RLS. Do you think the winds across the prairies will slow us down? The trailer is 6900lbs dry.
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06-28-2012, 05:44 PM
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#2
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Permanent User Ban
Join Date: Mar 2012
Location: Bartlesville, Oklahoma
Posts: 1,124
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Slow you down as-in your speed? Or slow you down as-in your comfort level?
In either case, the answer is "it depends".
I live in Oklahoma. Rarely have I felt uneasy towing. A time or two, I have (voluntarily) slowed down because of it.
Never has it physically slowed me down... But then again, your desired speed may be higher than mine.
Fuel economy.... Now that's a different story.... As high as 13 mpg... As low as 7 mpg.... "it depends".
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06-28-2012, 06:04 PM
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#3
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Site Team
Join Date: Mar 2009
Location: Fraser Valley BC Canada
Posts: 7,015
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Slow you down? Battling a head wind takes its toll on fuel and; depending upon its direction and speed, could affect the stability of your TT. A tail wind on the other hand, may work to your advantage. You should adjust your driving to the road and weather conditions - whatever they may be. What's the hurry?
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2008 Cougar 5th Wheel 27RKS
2005 2500 GMC Duramax
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06-28-2012, 06:27 PM
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#4
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Senior Member
Join Date: Nov 2011
Location: SoCal
Posts: 1,739
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Having a good sway control hitch will certainly help reduce your stress in a crosswind, but having to lean the steering wheel into the wind certainly gets tedious.
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-Scott, DW, DG, DB, and DD
2011 Passport 2590BH
2009 Ford F150 SuperCrew F X4 5.4L w/Max Tow
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06-28-2012, 08:36 PM
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#5
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Senior Member
Join Date: Jul 2011
Location: 1 hour from Yosemite
Posts: 165
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My 07 classic would drop less then 5 mph with wind gusts (towing my old TT), usually held set speed on the cruise. The higher the headwinds, the faster the fuel guage moves. A good headwind could cost you 3-4 mpg's.
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2007 Chevrolet 3500 CC/LB Duramax/Dually 4X4 Mine r4tech, Reese Signature Series 18k +slider, duratrac, titan 62 gallon, diamond eye, Cheetah 64, EFI Live
2008 Chevrolet 2500 CC/SB Duramax 4X4 Hers r4tech, duratrac
2011 Keystone Fusion 405 TrailAir & Triglide, Centerpoint, gen-turi, 3 PVX-840T, XANTREX FREEDOM SW3012, G614
2013 Yamaha 242LS
2010 GMC Yukon The Bus
2005 Chevrolet 2500 CC/SB Duramax 4X4 Hers (sold)
2006 Jayco Jay Flight 31BHS (sold)
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06-29-2012, 04:07 AM
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#6
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,985
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Driving 60 MPH into a 35 MPH headwind is "aerodynamically" similar to driving 95 MPH with no wind. Fuel mileage will suffer dramatically in either situation. We recently (on the way home now) towed through Ohio, Indiana, Illinois, Iowa, Nebraska, Arkansas, Kansas, Tennessee and back through some of these on the way north to Michigan.
In Illinois, Iowa and Nebraska we had head on winds quartering from the south as we drove west. These winds were 35+ MPH gusting to 50 or so. Fuel mileage went down significantly from about 11 to 7 and driver fatigue from steering into the gusting headwind was very noticable. The rig was stable, minimal to no actual sway, but having to steer "crossways" on a 2 lane road was not fun.
Will headwinds make a difference? Yes... Will crosswinds make a difference? HECK YES.
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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06-29-2012, 04:34 AM
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#7
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Member
Join Date: Jun 2012
Location: Manitoba Canada
Posts: 50
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Thanks for the info
Good information. We had a 24' Prism lite weight (3000lbs) which did not affect the truck at all. Since we are doubling that weight my concern is not being the guy who is travelling 45 mph down the road on a two lane highway. I just not sure what the power is from the diesel, it hasn't been under a load yet.
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06-29-2012, 07:23 AM
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#8
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Senior Member
Join Date: Nov 2009
Location: Elkhart, Indiana
Posts: 420
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Quote:
Originally Posted by AnolaBob
Good information. We had a 24' Prism lite weight (3000lbs) which did not affect the truck at all. Since we are doubling that weight my concern is not being the guy who is travelling 45 mph down the road on a two lane highway. I just not sure what the power is from the diesel, it hasn't been under a load yet.
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Our trailer is about the same weight and size as yours and we are close to 9000 lbs fully loaded and we have an older 6.6 liter Duramax (rated at 320hp & 590 ft. lbs. of torque) and are using the Equal-i-zer brand hitch. I can set the cruise at 60 - 65 mph and hardly know that the trailer is back there even when we have been in higher winds. Like others have said your mileage will very. Normally we will average around 11 mpg at 65 mph and when climbing hills or driving into the wind we can drop to as low as 8 mpg still running at 65 mph. The best mileage we have ever got was around 13 mpg (tail wind coming through the plains ) and the worse we have ever got was about 7.5 mpg (this was climbing the mountain pass's at about 50 - 55 mph) with the diesel. Now our gas truck that was a different story (best was a little over 9 mpg and worse was 4.5 mpg pulling the same trailer)!
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Phil & Janine & Lady
2004.5 Chevy 2500HD Duramax LLY CC LB 4X4
2009 Keystone Sprinter 272RLS
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