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Old 08-10-2018, 05:43 PM   #1
NomadicPaul
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GPS Question

I have had several people tell me there are GPS units available that can consider the height of your vehicle. After watching a few YouTube video showing trailers shearing off at units, roofs etc I think it's VA good investment.

An opinions on types?
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Old 08-10-2018, 10:11 PM   #2
wingnut60
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All I know of is the Giraffe, check it out at:

www.giraffeG4.com

No idea if it works in time to keep from hitting something.
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Old 08-11-2018, 09:07 AM   #3
NomadicPaul
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Quote:
Originally Posted by wingnut60 View Post
All I know of is the Giraffe, check it out at:

www.giraffeG4.com

No idea if it works in time to keep from hitting something.
Read about this product. Seems like a good product to have for the more rural or unfamiliar highways. Basically you measure the highest point of your RV, then mount the G4 sensor on your mirror, enter the height at which the sensor is mounted and if you pull up to a bridge you won't clear an alarm sounds.

It doesn't work travelling at any speed but in all fairness if you don't think you are going to clear an obstacle you shouldn't be at speed anyway.

Would be really good for gas station islands.
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Old 08-11-2018, 04:59 PM   #4
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Looks fairly handy, thanks for posting.
The GPS options are offered by third party software developers that use the database(s) similar to the commercial carriers atlas. Some GPS models can receive aux. data uploads, others can't. I'm not sure I can justify the expense.
We carry 2-way communicators, safety cones, and operate under the "when in doubt, get out". Seems there is always something else to visualize at fuel islands too. Like speedy knuckleheads trying to slip ahead in line.

In several yrs. of FT'ing at 13'5" OAH, ironically the main issues we've run into are at mom & pop CG's where they won't trim their trees properly. Or have low wires, gullies, and culverts etc. YMMV
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Old 08-12-2018, 04:25 PM   #5
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I just bought the Garmin RV 770.

I programmed it to be:

5th wheel
35 feet long
7 feet wide
13 feet 10 inches tall
19,000 pounds

As it calculates a route to the specified destination it will route around obstacles as specified.


Seems to have all the same POIs that my dashboard GPS has.

First trip with it is tomorrow.

Be aware that maximum height west of the Mississippi is 14 feet while east of the Mississippi it is 13 feet 6 inches.

I carry enough diesel to go 700 miles, so I never have to tow the trailer into a station.
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