View Full Version : SmarTire question.
Dick
Sep 9th, 2006, 6:39 am
Have los - er, misplaced! - my SmarTire manual, so 'til I find it, I'm looking for an answer here.
Normally, when I've been on the road for a bit, I can punch the monitor display button and the unit will cycle thru each tire's pressure reading, the + or - deviation, and the tire's temperature. Yesterday, in a cool morning 10 mile roundtrip, all it would provide wuz the pressure reading for each tire. No +/- deviation from baseline, and no temperature readout. Yesterday afternoon, readouts returned to normal display.
Wondering if this is addressed in the manual? Shouldn't have anythang to do with the ambient air temperature, should it?
TIA - and of course, I'll find the manual right after the first reply!! :rolleyes: :D
DanMartin
Sep 9th, 2006, 9:16 am
Dick, i have had mine do that before and I don't believe it is in the manual.
You can download the manual at smartire.com.
I spoke with a Smartire tech about this and was told that when the sensor transmits it sends the pressure on 6 channels and the temp on only one.
Dan Martin
Houston, Tx
early1
Sep 9th, 2006, 9:20 am
If you were at 60 deg the chip may consider that STANDARD in its caculation and may not display a temp.
Dick
Sep 9th, 2006, 2:33 pm
Thanks Dan - thanks Ed. I'll be watchin' it over the next few 'cooler' days and see if I notice it again. As promised, I did find the booklet, butt no chance to read it yet. Funny how lost thangs are alwayz in the last place ya look!!!
meese
Sep 9th, 2006, 4:27 pm
Mine does that occasionally, where it can't read the temp and so can't calculate the deviation (just shows --). It usually clears y itself and is fine later. I haven't made an exact temp correlation. I think it's just a weak signal or maybe the wheel sensor can't get the temp to send up to the controller.
Dick
Sep 9th, 2006, 7:00 pm
Mine does that occasionally, where it can't read the temp and so can't calculate the deviation (just shows --). It usually clears y itself and is fine later. I haven't made an exact temp correlation. I think it's just a weak signal or maybe the wheel sensor can't get the temp to send up to the controller.
Okie dokie - thanks, Ken. Glad to hear it wuzn't just an anomaly in my unit. I like that leetle bugger, butt not when it acts up!! I do wish either they made the readouts a leetle bigger, or my eyesight would retro to when it wuz 20/20.
BTW -wonder what happens when two SmarTire-equipped LTs are running side by side? You think each monitor is tagged to it's respective set of sensors? Aw - don't answer that; I'm just wastin' bandwidth 'til the homemade ice cream hardens up!
meese
Sep 9th, 2006, 9:06 pm
Everybody runs 42 / 48, so there's no problem, right? :) Actually, you have to "register" each wheel sensor with its receiver so that it knows front from rear. On a bike, that's just spinning its wheels in order. I wonder how they do it on a car or truck?
"Just lift that corner while I spin the wheel. Thanks." :D
jackd
Sep 9th, 2006, 9:12 pm
Dick, i have had mine do that before and I don't believe it is in the manual.
You can download the manual at smartire.com.
I spoke with a Smartire tech about this and was told that when the sensor transmits it sends the pressure on 6 channels and the temp on only one.
Dan Martin
Houston, Tx
Dan, Thats a great answer. I get that all the time. When the Sirius Radio is on I get nothing but the readings will return when I turn it off on the next transmit cycle. They always have pressure but one or both sometimes is missing the temp on the first read.
DanMartin
Sep 9th, 2006, 10:46 pm
Jackd
I finally got rid of my sirius radio for that reason. It will be interesting to see if the XM radio and the fm transmitter in the Garmin 2730 cause any problem.
Meese
The smartire senders for are coded from the factory and are color coded for each wheel position. I bought a car set and hope to install soon.
Dan Martin
Houston
meese
Sep 10th, 2006, 12:27 am
Pre-coding the sensors makes sense. Thanks for the info.
BTW, this system does work. I got a warning yesterday that my rear tire was 8 lbs low. The bike also felt slightly squirrely, so I thought I'd have to add some air.
Today I took a closer look, and found a staple in the rear tire. When I pushed the staple, I heard a hiss. So I pulled the rear tire and called a friend. Two hours and 3 beers later (one each :)) I have a new BT020 Radial installed. Thanks to Art for the tire, John for the help, and Ernie for having a backup tire and changer, just in case.
Now I get to go on my ride tomorrow as planned. :D
jackd
Sep 11th, 2006, 10:27 am
Jackd
I finally got rid of my sirius radio for that reason. It will be interesting to see if the XM radio and the fm transmitter in the Garmin 2730 cause any problem.
Well, Turning of the Sirius Radio gives me the option of getting the tire info in about 15 minutes so that is good enough. I don't believe that getting rid of the Sirius is an option for me.
I usually use the initial tire pressure data from startup to determine if I have an issue with tire pressure. When I leave for the day I back my truck out from the garage and start the bike and move the bike out of the garage about 20 feet and I get an immediate reading. If there is something wrong I will fix it then.. I just took tire pressure.. and it took all of two seconds extra. Less than any visual check I make of the bike before I start. :thumb:
I find that the Smartire is unreliable giving me a pound difference from desired if I want to add air while the tire is hot. :( Because it reads only in single pounds it is not as accurate and the Roadgear tire pressure I normally use.
I also would like to know if another Sat Radio would give the Smartire problems.. When I have some time I thought I would contact Smartire and see if they have a newer version receiver.. a next gen thing..
kellenbenz
Sep 11th, 2006, 3:21 pm
I do wish either they made the readouts a leetle bigger, or my eyesight would retro to when it wuz 20/20.
Made me laugh Dick. One of out pilots just spent a lot of time building a magnifying glass to mount over the Kollsman window of the pilot's altimeter. Getting glasses wasn't an otiption I guess :). When we get our helicopter back out of maintenance, I will take a picture of this gizmo. I know Greg and Phil will enjoy it.
Ron
Dick
Sep 11th, 2006, 3:59 pm
Made me laugh Dick. One of out pilots just spent a lot of time building a magnifying glass to mount over the Kollsman window of the pilot's altimeter. Getting glasses wasn't an otiption I guess :). When we get our helicopter back out of maintenance, I will take a picture of this gizmo. I know Greg and Phil will enjoy it.
Ron
Hey, Ron - both of those nutz should wear glasses, butt they hardly ever do. Vain thang, I guess. Phil looks distinguished in his and Greg looks extinguished. I think I mighta mentioned to ya - Greg's picture is on the front of the AOPA Flight Training mag, Sept issue. I'm keepin' that one, cuz he's wearin' his eyes!! ;)
I'll share your pix with 'em when I see 'em next - prolly sometime in October. Hope the magnifying glass over the Kollsman window is FAA approved!!! ;) ;) Or, I'll just tell Greg it's a ghetto mod farkle! :D Heck, they both might like one for their own flight deck.
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