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Overhead clearance sensor?

1598 Views 29 Replies 17 Participants Last post by  pbethel
Has anyone ever installed a sensor to give an early warning to the driver the vehicle could hit something overhead?

With a 10ft tall camper van, I worry I'll forget to always watch for overhead clearance signs and might damage roof equipment - solar panels, roof rack, antenna, etc.
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while using a laser is interesting, I'll put this in the same category as those guys who drive around with their off-road lights blinding the crap out of oncoming traffic :)
 

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2017 350 XL HD passenger
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This is pretty interesting.

I think if you combined the laser with a 2nd sensor which would only activate the laser when necessary, you could have something. For example, taking from another previous suggestion, using a sonar sensor to detect a low overhang and then activate the laser. The laser gives a nice clear visual indication however only when you need it so that it doesn't blind drivers unnecessarily.
 

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2017 T150 med roof SWB
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A week ago I booped my Maxxair on a drive thru that claimed it was 9 feet.
I'm in a medium roof SWB. My van is 20 feet long and 8 feet high.
No way that Maxxair added a foot to my height!
Also at an Ikea the parking lot height pole said 8'8" and I still scraped.
I don't trust those signs to be accurate anymore!
 

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A week ago I booped my Maxxair on a drive thru that claimed it was 9 feet.
I'm in a medium roof SWB. My van is 20 feet long and 8 feet high.
No way that Maxxair added a foot to my height!
Also at an Ikea the parking lot height pole said 8'8" and I still scraped.
I don't trust those signs to be accurate anymore!
Stock height is 100.8". So really 8' 6".
Plus 5" for the fan puts you at 8' 11".
That's real close.
 

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2017 T150 med roof SWB
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Stock height is 100.8". So really 8' 6".
Plus 5" for the fan puts you at 8' 11".
That's real close.
Don't know what to say.
I measured it with a tape measure.
Putting a piece of lumber on the back highest part to measure off of, then subtracting the inch or so that added.
Came out to 8 foot exactly. Maybe my rear springs are compressed a bit from all the stuff in my van plus the materials I used for conversion.
Or maybe I'm sloppy.
Either way I don't trust overhead signs if they are within a foot of my nominal height.
(gonna go measure my van again now arent I)
 

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Don't know what to say.
I measured it with a tape measure.
Putting a piece of lumber on the back highest part to measure off of, then subtracting the inch or so that added.
Came out to 8 foot exactly. Maybe my rear springs are compressed a bit from all the stuff in my van plus the materials I used for conversion.
Or maybe I'm sloppy.
Either way I don't trust overhead signs if they are within a foot of my nominal height.
(gonna go measure my van again now arent I)
 
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