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Open Roads Forum  >  Truck Campers

 > How fast do you drive with camper on? .

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silverbullet555

Boise

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Posted: 08/18/21 07:02pm Link  |  Print  |  Notify Moderator

Curious how fast y'all drive with camper on.

No speed limits.
Smooth freeway.
No safety concerns.

Dry?
Rain?

I'm mostly interested in how speed impacts the longevity of the camper and rain water intrusion at speed.


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jimh425

Western MT

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Posted: 08/18/21 07:12pm Link  |  Print  |  Notify Moderator

I’m not sure where you are where their aren’t speed limits.

I have a F450 which is a crew cab DRW with a 9 1/2 TC which is under my GVWR and way under axle ratings with fantastic brakes. Obviously, it matters if you SRW or not and it matters how heavy and what type of TC you have.

I usually drive 65-70 in 75-80s, but slower when windy or when weather conditions aren’t good. But, I drive the speed limit in areas where the speed limit are less. Obviously, a little faster and slower at times. I can’t think of any case where water came in my TC over the past 15 years or in any other RV for the 15 previous.


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silverbullet555

Boise

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Posted: 08/18/21 07:43pm Link  |  Print  |  Notify Moderator

jimh425 wrote:

I’m not sure where you are where their aren’t speed limits.
.


I was just removing that from the equation because it obviously sets an upper limit, but it varies.

Grit dog

Black Diamond, WA

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Posted: 08/18/21 07:58pm Link  |  Print  |  Notify Moderator

Barring head winds or nasty side winds, just open country straight highways, generally around 75, but places like eastern Montana, North Dakota and similar tend to get ticked up to 80+ if I’m tired of driving and I can stomach the abysmal fuel mileage.
Caveat, my TC hauler was pretty low geared so 82mph was like 2600rpms on a Cummins.
However, whenever the combined ground speed and head wind topped about 100mph, the turbulence would try to suck the front windows out of the truck! So that was my practical limit.
Rain? Never worried about water intrusion or the durability of the camper at all.
Think about it this way. Say you’re doing 60 mph, reasonable speed, with a stiff headwind. Rain or shine, the camper feels 80-90 mph. If it doesn’t blow apart then or leak it’s not going to.


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Kayteg1

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Posted: 08/18/21 08:00pm Link  |  Print  |  Notify Moderator

I am known to ignore speed limits and my F350 was reaching the governor 90 mph limit on 4th gear, still having 2 more gears to go.
But driving with big camper I kept wondering at what speed the aerodynamic lift will become bigger than camper weight.
So with several steps in progress, I tested it to 75 mph on long run and I reached 80 mph couple of times when passing.
Did not observe any strange camper movements at those speeds, but that was enough for my comfort.





specta

utah

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Posted: 08/18/21 08:55pm Link  |  Print  |  Notify Moderator

I like to cruise 70-72 on a nice day on a 2 lane HWY and freeways where the speed limit is 80 mph.

I've pushed 90 multiple times passing other vehicles and it "feels" OK but I know its pushing the limit of being safe.

I don't think speed affects the longevity of the camper as much as the road conditions do. As far as water intrusion goes don't forget to caulk around the bottom of your front marker lights and window if your camper has one.


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#1Flyboy

California

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Posted: 08/18/21 09:10pm Link  |  Print  |  Notify Moderator

…. About 58 level & uphill; might go a little faster on the downhill; retired & in the slow lane or back roads preferably; after you have seen a few demolished RV’s it slows one down….We also enjoy the better MPG & scenery by driving slow….

jimh425

Western MT

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Posted: 08/18/21 09:39pm Link  |  Print  |  Notify Moderator

#1Flyboy wrote:

…. About 58 level & uphill; might go a little faster on the downhill; retired & in the slow lane or back roads preferably; after you have seen a few demolished RV’s it slows one down….We also enjoy the better MPG & scenery by driving slow….


That’s all good in a 60-70 and/or backroads that generally are never more than that.

Please don’t do it in an 80 unless you want to be one of the demolished RVs. It’s clear that many will drive at 5 over or slightly more, so that’s almost 30 mph difference which is far too much for any reaction time.

BradW

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Posted: 08/18/21 10:16pm Link  |  Print  |  Notify Moderator

65 or so. Fuel mileage drops off exponentially above that.


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Bedlam

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Posted: 08/18/21 10:28pm Link  |  Print  |  Notify Moderator

55-65mph is my typical speed whether I tow something or not behind the camper.


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