Home » Public Forums » GMCnet » Tire Monitoring Systems
| Tire Monitoring Systems [message #192606] |
Sun, 09 December 2012 12:15  |
LNelson
Messages: 335
Registered: December 2008
Location: Springfield, MO
Karma: 0
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What is the consensus about tire monitoring systems? I am much more concerned about temps than I am tire pressure. If I see hotter temps, then I know to pull over and shoot the hubs with a infrared temp thermometer.
So, what say you people? I saw a neat on in a GMC in the Table Rock State Park Campground, the owner was from Michigan, and he built his own system. Neat guy. Not interested in doing that, however. Just want to buy one. Thanks in advance.
Larry Nelson Springfield, MO
Ex GMC'er, then GM Busnut
now '77 Eleganza ARS WB0JOT
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| Re: Tire Monitoring Systems [message #192609 is a reply to message #192606] |
Sun, 09 December 2012 12:39  |
rcjordan
Messages: 1913
Registered: October 2012
Location: Elizabeth City, North Car...
Karma: 1
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If your coach is expoesed to salt air for a relatively short while (months) the threads on the transponders gall and the only way to take the tire off the rim is to puncture it. I live 18 miles inland and haven't had a problem with the wife's Dodge, but she garages it.
SOLD 77 Royale Coachmen Side Dry Bath
76 Birchaven Coachmen Side Wet Bath
76 Eleganza
Elizabeth City, NC
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| Re: Tire Monitoring Systems [message #192612 is a reply to message #192606] |
Sun, 09 December 2012 14:04 |
GeorgeRud
Messages: 1380
Registered: February 2007
Location: Chicago, IL
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Byron Singer had a nice presentation on these systems at the Amana Rallye. I believe he posted the slides on the Eastern States websites (or somewhere). Perhaps someone has the link.
They seem like a good idea, as do the rear view cameras. The caution about the valve caps corroding onlo the valve stems is something I've also heard from our local tire dealer, so some antiseize may be a good idea.
George Rudawsky
Chicago, IL
75 Palm Beach
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| Re: Tire Monitoring Systems [message #192613 is a reply to message #192606] |
Sun, 09 December 2012 14:07 |
GeorgeRud
Messages: 1380
Registered: February 2007
Location: Chicago, IL
Karma: 0
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Byron Songer (sorry)! His article is on the Eastern States Tech sessions portion of their website ( I checked)!
George Rudawsky
Chicago, IL
75 Palm Beach
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| Re: Tire Monitoring Systems [message #192614 is a reply to message #192606] |
Sun, 09 December 2012 14:20 |
kerry pinkerton
Messages: 2565
Registered: July 2012
Location: Harvest, Al
Karma: 15
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I was wondering if there was a way to put a sensor on the air bags. If you can and get them to read on the display with the tires, then you effectively have a wireless bag system as well as tire monitors as long as you can pump up and lower from the cockpit.
Regarding temperature. Would not a hot bearing cause the air temp to increase thereby increasing pressure? If so, then being aware of the current running pressure and watching for an increase would tell you that you might have a problem????
Kerry Pinkerton - North Alabama
Had 5 over the years. Currently have a '06 Fleetwood Discovery 39L
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| Re: Tire Monitoring Systems [message #192648 is a reply to message #192645] |
Mon, 10 December 2012 13:36 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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All you need to do is retro-fit an ORD-II system and the systems are there. Good luck with that.
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: Tire Monitoring Systems [message #192650 is a reply to message #192648] |
Mon, 10 December 2012 13:48 |
rcjordan
Messages: 1913
Registered: October 2012
Location: Elizabeth City, North Car...
Karma: 1
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>retrofit
I was thinking that the bluetooth model I linked to was stand-alone . If not, I can wait a year ...there are a lot of disruptive technologies converging on the coach market that will make some of this stuff a lot easier and kill a lot of dedicated monitors in the process.
SOLD 77 Royale Coachmen Side Dry Bath
76 Birchaven Coachmen Side Wet Bath
76 Eleganza
Elizabeth City, NC
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| Re: Tire Monitoring Systems [message #192652 is a reply to message #192645] |
Mon, 10 December 2012 14:50 |
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mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma: 0
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Am I reading this correctly? Do the Pressure senders communicate with bluetooth?
If so, you should be able to receive the signal with almost any "modern" computer, laptop, netbook or tablet.
Could it be that all that is needed is an "ap for that" ????
.
..
...
Maybe I'll need to teach myself a "new" computer language, and get back into programing!
Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo'
http://m000035.blogspot.com
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| Re: Tire Monitoring Systems [message #192657 is a reply to message #192642] |
Mon, 10 December 2012 17:38 |
Larry
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
Karma: 10
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| Jim Galbavy wrote on Mon, 10 December 2012 07:02 |
Just my opinion but. .....you guys are spending way more time looking at gauges worrying about the next "event" and not enjoying the ride. Is the coach that undependable? If you have to check your tires for pressure or temp every three hours there is something wrong and you need to stop and start doing some maintaince. or you are driving to fast and burning things up. Before each trip ( or each morning of a trip) I do my Army morning stables checking fluids, pressures and a general walk around for anything out of place. When I get home or when need be I address my punch/maintaince issues. I listen to the coach and can feel/sense most problems as they start to change. Things do happen. .....when they do I deal with them (most of the time) or stop for lunch.
My 2 cents.
jim galbavy
'73 x-CL ANNIE
Lake Mary, Fl
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Jim,
I was of the same opinion until last winter. Driving on a 2 lane Highway that had been beat to death by trucks the year before, there were lots of potholes. I followed the truck ahead of me to avoid a large pothole. The coach strattled the pot hole just fine, but it caught the left front of my toad. Popped the tire. When it went down, the steering on the toad racked hard over to the left, pivoting me to the right. I got it stopped safely in about 1/4mi. The tire had shredded in half, jammed in the wheel well and wore a 1 1/2" deep flat spot off of the aluminum rim. I felt it happen, and was able to stop immediately....BUT if it was the rear tire on the towd that had popped, or slow leaked down from a nail, I might have dragged that thing for another 100 miles doing lots of damage. In spite of all good intentions, these things can happen between fuel stops. Now I'm looking for a tire monitoring system. JMHO
Larry 
78 Royale w/500 Caddy
Menomonie, WI.
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| Re: Tire Monitoring Systems [message #192667 is a reply to message #192606] |
Tue, 11 December 2012 07:49 |
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Michael Leipold
Messages: 318
Registered: April 2011
Location: Greensboro NC
Karma: 2
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My 2 cents, since tire pressure monitoring is my job, my wife is making me post:
Tire Monitoring Systems are just that, they monitor. There are different types, in the tire, on the tire, on the valve stem, ABS based, it gets confusing.
There are 2 reasons to monitor your tires, improved fuel economy (well maybe not improved, but elimination of lower fuel economy) and accident mitigation (not to be confused with elimination).
Temperature and Pressure need to be monitored to accurately diagnose a tire. Typically, external and ABS based systems can not do this.
The reason to monitor temperature is two-fold;
1) To alert the driver of an overheating situation
2) To properly compensate the pressure reading based on the tire temperature.
A tire filled in Arizona at high noon in the summer, will be underinflated if only inflated to the recommended pressure according to the gauge. And a tire inflated in the middle of the night in the dead of winter in Denver will be overinflated if filled to the gauge pressure.
As temperature increases, so does the required pressure.
As a vehicle is driven, the tire temperature will increase due to friction of the road and possibly brake usage. Some systems that do not monitor temperature will compensate for this using math algorithms, some do not compensate.
Monitoring pressure is just that, an overinflated tire may appear to increase fuel economy, but it will heat quicker and wear faster. An underinflated tire will lower fuel economy, over heat sooner and wear quicker.
And as stated before, a Tire Monitoring System, will alert you to an air loss if you puncture a tire while driving, an over heating of a tire, due to possibly a seized bearing or frozen caliper, and other possible scenarios, all after your pre-trip inspection.
Canada currently mandates tire temperature monitoring on all new buses. Europe mandates tire pressure monitoring on all new trucks and tractors with super single tires. NHTSA is investigating a mandate for tire pressure monitoring on all new highway tractors.
Do we need a system on our GMC? nope.
Are there benefits to having one? yep.
1973 GMC 26' Glacier - Unknown Mileage - Has a new switch pitch transmission with Powerdrive
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| Re: Tire Monitoring Systems [message #192670 is a reply to message #192667] |
Tue, 11 December 2012 08:29 |
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WD0AFQ
Messages: 7111
Registered: November 2004
Location: Dexter, Mo.
Karma: 207
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| lilmyk wrote on Tue, 11 December 2012 07:49 |
My 2 cents, since tire pressure monitoring is my job, my wife is making me post:
Tire Monitoring Systems are just that, they monitor. There are different types, in the tire, on the tire, on the valve stem, ABS based, it gets confusing.
There are 2 reasons to monitor your tires, improved fuel economy (well maybe not improved, but elimination of lower fuel economy) and accident mitigation (not to be confused with elimination).
Temperature and Pressure need to be monitored to accurately diagnose a tire. Typically, external and ABS based systems can not do this.
The reason to monitor temperature is two-fold;
1) To alert the driver of an overheating situation
2) To properly compensate the pressure reading based on the tire temperature.
A tire filled in Arizona at high noon in the summer, will be underinflated if only inflated to the recommended pressure according to the gauge. And a tire inflated in the middle of the night in the dead of winter in Denver will be overinflated if filled to the gauge pressure.
As temperature increases, so does the required pressure.
As a vehicle is driven, the tire temperature will increase due to friction of the road and possibly brake usage. Some systems that do not monitor temperature will compensate for this using math algorithms, some do not compensate.
Monitoring pressure is just that, an overinflated tire may appear to increase fuel economy, but it will heat quicker and wear faster. An underinflated tire will lower fuel economy, over heat sooner and wear quicker.
And as stated before, a Tire Monitoring System, will alert you to an air loss if you puncture a tire while driving, an over heating of a tire, due to possibly a seized bearing or frozen caliper, and other possible scenarios, all after your pre-trip inspection.
Canada currently mandates tire temperature monitoring on all new buses. Europe mandates tire pressure monitoring on all new trucks and tractors with super single tires. NHTSA is investigating a mandate for tire pressure monitoring on all new highway tractors.
Do we need a system on our GMC? nope.
Are there benefits to having one? yep.
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Thanks for the information. Always good to hear from a professional.
Dan
3 In Stainless Exhaust Headers
One Ton All Discs/Reaction Arm
355 FD/Quad Bag/Alum Radiator Manny Tran/New eng.
Holley EFI/10 Tire Air Monitoring System
Solarized Coach/Upgraded Windows
Satelite TV/On Demand Hot Water/3Way Refer
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| Re: Tire Monitoring Systems [message #192674 is a reply to message #192670] |
Tue, 11 December 2012 10:59 |
rcjordan
Messages: 1913
Registered: October 2012
Location: Elizabeth City, North Car...
Karma: 1
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Senior Member |
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The systems I'm seeing in development all appear to be using the RF sensors which transmit to an intermediate receiver which then converts the signal to bluetooth. In those Taiwan links that I posted earlier, you'll see a blue led-lit device. I'm assuming that's the RF/BT interface.
But, I'd also expect the first wave of systems to be hardwired for 4 wheels, not 6 or 10. Also, no matter what happens tech-wise, you're still going to need 6 sensors at $35 to $45 a pop. Then add a receiver at $XXX. It's not going to drastically reduce the buy-in, at least not at first. It will get rid of a monitor.
BTW, why buy dedicated toad cams? My daughters watch their kids playing in the playroom over their smartphones or tablets using the house wifi. The cams have fairly high-end night vision and are on a turret controlled by the app. Cam is $100 and portable. Another monitor bites the dust. But that's another thread.
SOLD 77 Royale Coachmen Side Dry Bath
76 Birchaven Coachmen Side Wet Bath
76 Eleganza
Elizabeth City, NC
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| Re: [GMCnet] Tire Monitoring Systems [message #192709 is a reply to message #192642] |
Mon, 10 December 2012 07:27 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Jim,
I agree kinda - sorta. I think the fact that these old gals are pushing 40 makes one (well me at least) a bit paranoid. I am that
way until I go over a system end to end. I have no worries about the steering, front suspension, bearings (front & rear), brakes,
cooling system, because I KNOW what condition they are in because I HAVE gone over them from end to end. The electrics are a worry
to me because I am confident a lot of bodgy stuff has been done since Double Trouble was built and also because I haven't checked it
out at all.
I do an Air Force preflight before we start off daily, oil, water, and a walk around. Every few days I check the tires and
transmission fluid. I have a Digi-Panel that I reckon is the greatest thing since sliced bread as it watches critical parameters for
me. I have a set of gauges I glance at now and then if I happen to think of it. Most of the time I'm looking through the windshield
taking in the scenery enjoying the trip.
Double Trouble is a joy to drive compared to when I first got it, in fact I am going to teach Helen how to drive it this year so I
can take a nap after lunch!
Regards,
Rob M.
-----Original Message-----
From: Jim Galbavy
Just my opinion but. .....you guys are spending way more time looking at gauges worrying about the next "event" and not enjoying
the ride. Is the coach that undependable? If you have to check your tires for pressure or temp every three hours there is something
wrong and you need to stop and start doing some maintaince. or you are driving to fast and burning things up. Before each trip ( or
each morning of a trip) I do my Army morning stables checking fluids, pressures and a general walk around for anything out of place.
When I get home or when need be I address my punch/maintaince issues. I listen to the coach and can feel/sense most problems as they
start to change. Things do happen. .....when they do I deal with them (most of the time) or stop for lunch.
My 2 cents.
jim
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Tire Monitoring Systems [message #192748 is a reply to message #192667] |
Tue, 11 December 2012 17:09 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Michael,
I am a bit confused by these two statements below:
A tire filled in Arizona at high noon in the summer, will be underinflated if only inflated to the recommended pressure according to
the gauge.
And a tire inflated in the middle of the night in the dead of winter in Denver will be overinflated if filled to the gauge pressure.
If the tire pressure required is 65 psi and you put 65 psi in either case how can it be underinflated?
I agree that if you filled your tires in Arizona at high noon in the summer and then checked them in the middle of the night during
the winter it will be under inflated. The reverse is also true.
This is explained by Charles's Law:
http://en.wikipedia.org/wiki/Charles%27_law
Regards,
Rob M.
-----Original Message-----
From: Michael
My 2 cents, since tire pressure monitoring is my job, my wife is making me post:
Tire Monitoring Systems are just that, they monitor. There are different types, in the tire, on the tire, on the valve stem, ABS
based, it gets confusing.
There are 2 reasons to monitor your tires, improved fuel economy (well maybe not improved, but elimination of lower fuel economy)
and accident mitigation (not to be confused with elimination).
Temperature and Pressure need to be monitored to accurately diagnose a tire. Typically, external and ABS based systems can not do
this.
The reason to monitor temperature is two-fold;
1) To alert the driver of an overheating situation
2) To properly compensate the pressure reading based on the tire temperature.
A tire filled in Arizona at high noon in the summer, will be underinflated if only inflated to the recommended pressure according to
the gauge. And a tire inflated in the middle of the night in the dead of winter in Denver will be overinflated if filled to the
gauge pressure.
As temperature increases, so does the required pressure.
As a vehicle is driven, the tire temperature will increase due to friction of the road and possibly brake usage. Some systems that
do not monitor temperature will compensate for this using math algorithms, some do not compensate.
Monitoring pressure is just that, an overinflated tire may appear to increase fuel economy, but it will heat quicker and wear
faster. An underinflated tire will lower fuel economy, over heat sooner and wear quicker.
And as stated before, a Tire Monitoring System, will alert you to an air loss if you puncture a tire while driving, an over heating
of a tire, due to possibly a seized bearing or frozen caliper, and other possible scenarios, all after your pre-trip inspection.
Canada currently mandates tire temperature monitoring on all new buses. Europe mandates tire pressure monitoring on all new trucks
and tractors with super single tires. NHTSA is investigating a mandate for tire pressure monitoring on all new highway tractors.
Do we need a system on our GMC? nope.
Are there benefits to having one? yep.
--
1973 GMC 26' Glacier - Unknown Mileage - Has a new switch pitch transmission with Powerdrive :)
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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