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Old 04-10-2015, 12:53 PM   #31
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Could someone explain what that percentage represents? Would a 50% grade be equal to half of 90 degrees, 45 degrees from level?
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Old 04-10-2015, 01:08 PM   #32
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Could someone explain what that percentage represents? Would a 50% grade be equal to half of 90 degrees, 45 degrees from level?
100 ft horizontal travel and 100 ft vertical travel would be a 45° angle = 100% grade and you would have actually traveled ~141ft.

50% grade would be 22.5° angle.
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Old 04-10-2015, 01:08 PM   #33
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I went up a place called the Sonora pass in California. They did not advise that it was a 28% grade 1/2 way up. With a 40' 5th wheel I could not turn around when I found out so up I went. It all depends on your truck and how many switchbacks it has. I have a f350 dully and surprisingly enough I had no trouble going up. It was 7 miles that my nerves to a beating on but it can be done with the correct truck.
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Old 04-10-2015, 01:09 PM   #34
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If things didn't go sideways burning up a tank of fuel going up, you'd want to make sure you changed what's left of your brakes at the bottom...
I think passing on this one is the right call..
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Getting up the grade is half the problem. When your coming down a grade your need to be able to control your speed and stop.

I get that this is an insane grade, but I feel like it wouldn't be awful since it is only a mile. BUT- I'm still a newbie and don't have a ton of experience.
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Old 04-10-2015, 01:58 PM   #35
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A situation like this is where torque would be your best friend. If I had a NA gas engine, I'd want a seriously low first gear so I could rev without moving very fast. So, what type of gearing do these things have???
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Old 04-10-2015, 02:05 PM   #36
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HOLLY CRAP IS RIGHT!!!!!I I would have to back up the road hope it doesn't have switch backs
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Old 04-10-2015, 02:28 PM   #37
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25% grade would not bother my 40' coach one bit. !!

That because I'd be turning around at the bottom. Heading to another campground.

Russell
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Old 04-10-2015, 02:35 PM   #38
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Campsite registration email points out The Campground is located at the top of the Mountain, there is a 25% grade incline.

I'm in the FR3 30. Is there anything I need to know? or do differently?
Crazy to even try
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Old 04-10-2015, 03:53 PM   #39
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I pulled my rig up a 22% grade (brockway mountain) I did not have any problems until I came down my trans did not like it and the turbo brake really helped

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Old 04-10-2015, 05:03 PM   #40
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Brockway mountain drive is 13% at the steepest point.

To answer a prior posters question a 10% grade would be a 100 feet elevation change per 1000 feet of travel. In other words 520 feet up or down per mile.


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