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Old 02-14-2020, 10:14 AM   #161
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Me, I go with the gas mileage factor and cruise at 60-65. 26' Class C, flat tow 1978 Jeep CJ5. Reaction time and stopping distance are most Paramount.
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Old 02-14-2020, 10:30 AM   #162
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Did a quick scan of the replies and noted one item neglected.
What speed are your trailer tires rated for? All tires have both a load and a speed rating. The two combine to form the amount heat the tire has to dissipate as the side was flexes while rolling.
Many trailers come from the factory with under rated tires, either load or speed wise. Running a tire rated for a 65 mph max at 70 is asking for trouble. Specially in hot weather on blistering asphalt.

All that said and done, we usually cruise at about 68. Fast enough to not be an obstruction to traffic flow, but slow enough to enjoy the ride.
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Old 02-14-2020, 10:32 AM   #163
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Quote:
Originally Posted by Don Jones View Post
Adding also, I am 74 years old, these speed demons that have to blow by you, one day will reach my age if their lucky and wonder where all that time went so quickly. That’s my main reason for slowing down to smell the roses and enjoy the time left I have.
Y’all have wonderful camping and making memories.
God Bless

Here, here Don!

I'm 10 years behind you and have been thinking this way since I was 50.

As people will say Don "enjoy the journey"!

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Old 02-14-2020, 10:35 AM   #164
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speed

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Originally Posted by SeaDog View Post
I do not exceed 65 regardless of speed limit
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Old 02-14-2020, 11:17 AM   #165
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DING DING DING. Winner winner chicken dinner!



Fuel mileage aside (for as I stated in a previous post I didn't buy and F350 for economy), driving 65 I don't have to be a regular lane jockey. We bought an RV for the journey and not just the destination. If I wanted to get someone place fast, I would take a plane. But when we all hop in the truck and I hit that start button, vacation and relaxation begins. And so being in that right lane with cruise on and letting people pass me allows for less stress (plus it's safer and I get some better fuel mileage).


I said something similar, but unlike these big truck towed or motorhomes, we tow our little TT with our turbo charged Ford Escape. It gets over 25 MPG on its on and we were shocked when that dropped to near 10 MPG when we drove it home from the dealership last Fall. Making that same trip on surface roads at 55-60 MPH, yielded around 16 MPG. We now are planning our trips on a big US map and going for non-Interstate routes. As this poster and I said, ‘If speed is the goal, then I would leave the trailer and the car at home and fly.’
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Old 02-14-2020, 11:30 AM   #166
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I do the same thing. Being safe and sane makes sense to me, even if it is unusual.
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I may be unusual, but I stay 55-60 mph in the right-hand lane for a few reasons: It saves me gas money; it's easier on the tires (I currently have those dang Chinese tire bombs on my Ladybug trailer but will be changing them out before my next trip!); I realize that the emergency stopping time with pulling a trailer may take longer than without one; and with being in the right-hand lane, it allows all the speed demons and 18 wheelers the clear path to fly right on by me! The drive is easy staying at those speeds in the right-hand lane.
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Old 02-14-2020, 11:39 AM   #167
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Florida .... TRAILER SPEED LIMITS
Unless otherwise posted, 30 mph in business and residential districts, and 55 mph at any time at all other locations. Turnpike and other designated highways 65 mph, except where posted 70 mph (minimum speed 50 mph).
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Old 02-14-2020, 11:47 AM   #168
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Depends very much on the terrain. 70-72 on fairly level roads. A lot slower going up mountains.
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Old 02-14-2020, 12:13 PM   #169
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I run 60-65mph. Sweet spot seems to be about 63mph.
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Old 02-14-2020, 12:28 PM   #170
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This thread started to go way off topic and needed a major clean-up. So if you see any of your posts missing, you'll know why. Let's please stick to the topic and not worry about which state you like and which one you hate and why or else it will be closed.

Thanks,
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Old 02-14-2020, 12:48 PM   #171
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I run 78-80 in that situation. All trucks "sweet spot" for fuel mileage is not always 65-68. It depends on the truck and set-up.
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Old 02-14-2020, 01:05 PM   #172
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Ok, looks like most folks drive their RVs around 65. On a 75mph interstate that's only 10 below most traffic, 20 below traffic having a TX or CA plate
My question - do folks going 55 really feel safer driving 20-25mph slower than the majority of the traffic?
If the traffic is light, not so bad, but in heavy traffic, going that much slower just seems to be a rolling roadblock.
Just curious.
Actually, we found that we were being whizzed by and the turbulence was not fun. We are finding interesting, more fuel efficient, and more pleasant traveling on non-Interstates. We were concerned about travel range with a 15 gallon fuel tank in our small SUV, so at 16-17 MPG, versus 10-11 MPG trying to do 70 on Interstates, we have a range of at least 240 miles before refueling. Our TT is an e-pro 14fk and it's a somewhat tall TT and not as aerodynamic as an e-pod. It's more of a convenience factor, but we can get to a lot of good places to set up, within 240 miles.
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Old 02-14-2020, 01:09 PM   #173
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I run 78-80 in that situation. All trucks "sweet spot" for fuel mileage is not always 65-68. It depends on the truck and set-up.
That's where I'm at. 04 LB7 Duramax, big turbo, big injectors, big exhaust and a tuner has my sweet spot around 76 mph. That said, EVERY time we leave, I tell my wife that we're just going "ease down the road" and let everyone pass us. So intentions are to stay well under the sweet spot, even under the posted speed limit, but always end up passing everyone else. So I guess we cruise somewhere in the mid 70s.
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Old 02-14-2020, 02:06 PM   #174
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Cruising Speed

I never exceed 65 mph, and generally, on an interstate set cruise control at 60 mph. Too many forces are at work if and when something happens, and I want to be able to control things.
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Old 02-14-2020, 04:32 PM   #175
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Quote:
Originally Posted by NMWildcat View Post
Ok, looks like most folks drive their RVs around 65. On a 75mph interstate that's only 10 below most traffic, 20 below traffic having a TX or CA plate
My question - do folks going 55 really feel safer driving 20-25mph slower than the majority of the traffic?
If the traffic is light, not so bad, but in heavy traffic, going that much slower just seems to be a rolling roadblock.
Just curious.
A better question is: How fast would you go if you didn't know how fast you were going? 99% of the people will only go as fast as they feel safe an comfortable.

This thread shows that can vary greatly from person to person. It can even vary with the same person based on what he is driving. I could comfortably cruise all day at 90-95 in the wife's Buick. 90 in my old 77 K5 Blazer would be terrifying. But generally, I am very comfortable at high rates of speed.

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Old 02-14-2020, 05:21 PM   #176
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Originally Posted by dlambers View Post
Did a quick scan of the replies and noted one item neglected.
What speed are your trailer tires rated for? All tires have both a load and a speed rating. The two combine to form the amount heat the tire has to dissipate as the side was flexes while rolling.
Many trailers come from the factory with under rated tires, either load or speed wise. Running a tire rated for a 65 mph max at 70 is asking for trouble. Specially in hot weather on blistering asphalt.

All that said and done, we usually cruise at about 68. Fast enough to not be an obstruction to traffic flow, but slow enough to enjoy the ride.



People forget that the speed tires are rated for are based on two different conditions.


Load is based on a formula that specified 65 MPH max


Speed Symbol (letter) is based on a passenger tire test J1561_198810 "This SAE Recommended Practice provides a method for testing the speed performance of passenger car tires under controlled conditions in the laboratory on a test wheel. This procedure applies to “standard load,” “extra load,” and “T-type high-pressure temporary-use spare” passenger tires."


The test load is set to 80% of the maximum load" on the tire sidewall
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Old 02-14-2020, 05:41 PM   #177
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62-63 and stay right. More enjoyable ride for me.
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Old 02-14-2020, 06:02 PM   #178
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If the road is smooth and it's a very calm day, I might do 70. But I generally stick to 65 so all the jackrabbits and the trucks can go around.
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Old 02-14-2020, 07:01 PM   #179
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Drive the speed your comfortable with--Stay in the rt. lane !! Everyone's happy !
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Old 02-14-2020, 08:55 PM   #180
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65 mph, right lane, F250 pulling fifth wheel.
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