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05-21-2014, 05:09 PM
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#1
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Senior Member
Join Date: Sep 2013
Location: Waynesville Georgia
Posts: 1,307
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25 Percent Grade ???
Checking out Amicalola Falls State Park and Lodge in northern Georgia and a comment of a 25 percent grade into the camp sites, never have towed in the hills yet, should this be a concern ???
Jim
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05-21-2014, 05:21 PM
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#2
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Senior Member
Winnebago Owners Club
Join Date: Mar 2014
Posts: 14,885
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25% is a pretty steep grade. Most of the interstates have a max of 6-7%, state highways 10% +/-. The standard 4/12 pitch on a roof is 33.33%
I would be concerned with my unit unless it is really short.
If you are close a drive there in the toad to check it out would be my advice. If you are comfortable with what you see go for it.
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Gordon and Janet
Tour 42QD/InTech Stacker
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05-21-2014, 05:22 PM
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#3
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Senior Member
Join Date: Sep 2013
Location: Alberta - East of the Rockies, West of the Rest
Posts: 831
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Yeah, I would call that severe, but not impossible to manage with the right setup and mindset.
File:Grades degrees.svg - Wikipedia, the free encyclopedia
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2018 Ram 5500 with 2021 Arctic Fox 1140
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05-21-2014, 05:27 PM
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#4
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Senior Member
Join Date: May 2004
Location: Auburn, CA, Havasu, AZ & Mulege, BCS
Posts: 5,385
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"I would be concerned with my unit unless it is really short."
I would be concerned about my shorts.
Coming back down 25% grade, just make sure your rig remembers how to snow-plow. Gravtiy can hurt. Stopping takes on a whole new dimension when the physical weight of the rig adds into the equation.
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Baja-tested '08 2-slide 36'
Alpine: The Ultimate DIY'er Project
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05-21-2014, 05:34 PM
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#5
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Senior Member
Join Date: Aug 2004
Location: Wherever we are
Posts: 4,282
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Sounds steep, but for how long? What distance does the grade cover? Besides the angle of ascent/departure-- short, paved sections of 25% should not be too much of a problem, unless overloaded/underpowered. If not paved, traction might also be a problem.
Joe
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'16 40QBH Phaeton
'21 Sahara HA toad
'15 38RSSA Mobile Suites--traded
'05 36TK3 Mobile Suites--retired but not forgotten
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05-21-2014, 05:50 PM
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#6
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Registered User
Monaco Owners Club
Join Date: Oct 2009
Location: Varies Depending on The Weather
Posts: 8,517
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The steepest grade that I have ever been on was a 35% grade while visiting the Columbia Icefield in Jasper NP in the Canadian Rockies.
Obviously they have a very specialized vehicle to transport people to and from the Icefield down and up this 35% grade.
I would not be on any grade with my RV over 10%. I did one 10% grade on a shortcut that I had saw on the map for the Alaskan Highway. I won't be taking that shortcut ever again.
A 25% grade, you're asking for trouble no matter how long it is.
Dr4Film ----- Richard
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05-21-2014, 05:56 PM
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#7
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Senior Member
Join Date: Sep 2013
Posts: 121
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It all depends on what speed you are looking at. Secondary road with 25 mph limit can be easily managed at 2nd gear, 1st in the worst case scenario. If other campers made it there, you will also
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Gene//////'16 Passport 2670 BH
'11 Mercedes ML 350 gas, Reinforced OEM hitch receiver,1000 lb Eaz-Lift with custom welded head, 2 sway control bars, P2, tst 507 trailer TPMS
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05-21-2014, 07:24 PM
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#8
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Registered User
Outdoors RV Owners Club
Join Date: Dec 2011
Location: Kamloops BC Canada
Posts: 1,399
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Remeber what goes down must come up..unless there is another way.
Good luck
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05-21-2014, 07:36 PM
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#9
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Senior Member
Newmar Owners Club
Join Date: Oct 2009
Posts: 10,309
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Quote:
Originally Posted by Dr4Film
The steepest grade that I have ever been on was a 35% grade while visiting the Columbia Icefield in Jasper NP in the Canadian Rockies.
Obviously they have a very specialized vehicle to transport people to and from the Icefield down and up this 35% grade.
I would not be on any grade with my RV over 10%. I did one 10% grade on a shortcut that I had saw on the map for the Alaskan Highway. I won't be taking that shortcut ever again.
A 25% grade, you're asking for trouble no matter how long it is.
Dr4Film ----- Richard
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Quite the incline Richard! For sure.....
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2012 Essex 4544 2011 Jeep JK, M&G Braking, 2014 MTI 27' Hog Hauler, Wireless brake control, 2006 Ultra & 1989 Springer, 2003 Harley-Davidson
FLHR Road King Anniversary
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05-21-2014, 07:58 PM
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#10
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Senior Member
Ford Super Duty Owner
Join Date: Jan 2011
Location: Kitts Hill, OH
Posts: 2,252
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on my to take my drivers test years ago I went over a 19% grade in southern Ohio.
Not much of a problem hit he bottom at 50MPH topped it at 25 or so.
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(RVM#26) THE U-RV 94 F-700/24 foot U-haul box home built RV
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05-21-2014, 08:08 PM
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#11
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Apr 2013
Location: Flowery Branch, GA
Posts: 279
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I've had my previous coach (38ft DP) up there. I did not tow up or down the hill. Going up was no problem. Slow, but it's not a real long pull, maybe a mile or two. Going down was a little hairy. I used the exhaust brake and had my foot real near the brake pedal the whole way down. Made it with no problems.
It's a nice park. Be sure to hike the falls, but wear comfortable shoes. It's a lot of steps.
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Jeff, Tricia, 3 kids, and the occasional dog or two
2006 Winnebago Tour 40KD, 2013 Dodge Ram TOAD
350 Cat C7, Freightliner chassis
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05-21-2014, 08:13 PM
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#12
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Senior Member
Damon Owners Club Freightliner Owners Club
Join Date: Mar 2006
Location: North East Texas
Posts: 4,946
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Quote:
Originally Posted by Dr4Film
The steepest grade that I have ever been on was a 35% grade while visiting the Columbia Icefield in Jasper NP in the Canadian Rockies.
Obviously they have a very specialized vehicle to transport people to and from the Icefield down and up this 35% grade.
I would not be on any grade with my RV over 10%. I did one 10% grade on a shortcut that I had saw on the map for the Alaskan Highway. I won't be taking that shortcut ever again.
A 25% grade, you're asking for trouble no matter how long it is.
Dr4Film ----- Richard
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now that is a coooooool bus
we drove and back down the calupin volcano in New Mexico in the mh..it was 1st gear and engine brake all the way down...felt like we would tip over at any moment and its only 12%
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USN Retired, Life time member of the DAV.
Enjoying the 2008 Damon Tuscany 4056, #3998 no your eyes are fine, there are really 6 slides
2022 F150 King Ranch or 2012 Edge toads
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05-21-2014, 09:08 PM
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#13
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Registered User
Outdoors RV Owners Club
Join Date: Jan 2014
Location: La Verne, Calif
Posts: 3,649
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If I can get traction my Cummins will pull my trailer up a wall.
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05-21-2014, 09:36 PM
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#14
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Senior Member
Join Date: Sep 2013
Location: Alberta - East of the Rockies, West of the Rest
Posts: 831
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Quote:
Originally Posted by Highway 4x4
If I can get traction my Cummins will pull my trailer up a wall.
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Now we're talking
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2018 Ram 5500 with 2021 Arctic Fox 1140
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