Polaris Discussions about Polaris ATVs.

Help...Trail Tech/Panoram computer. Wheel size input?

Old Jun 15, 2002 | 02:39 AM
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I'm reading the chart for this Panoram speedo/distance computer and it looks like you have to enter the tire size in millimeters. I don't see a conversion to inches. Maybe I'm just reading it wrong, but it's just not evident. I've got it all installed, it's just that the quad is up on the trailer so I can't test it tonight. I measured the wheel size and it came in at 20.5 inches or so, so that's what I put in. Do I need to convert this to mm and X by 3.14 (pi)???
Please help me get it right.
 
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Old Jun 15, 2002 | 03:10 AM
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you need to enter the rolling circumference in mm. Measure the rolling circumference of the wheel:

1. mark the side of the tire and the floor at the ground.
2. roll the quad until the mark hits the ground again - mark the ground again at this point.
3. Measure the distance between marks. If the meausrement is inches, multiply by 25.4

Your number should be ~ 1600
 
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Old Jun 15, 2002 | 04:04 AM
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It's DEFINALTELY in mm's then? That's all I need to know.
 
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Old Jul 4, 2002 | 03:25 PM
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I am having problems with the wheel size input also.
I tried the 1703 setting along with many others, and it always reads way too fast??
Like 72mph in 3rd gear???

Any ideas???

Thanx,
LOBE
~~~~
 
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Old Jul 4, 2002 | 04:54 PM
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I'll have to see what I entered on mine. I didn't even measure the wheel, just did the math with a calculator from their estimate chart. Mine is gps'ing within .5 mph. I'll go mess with it and see what I entered.

Ken
 
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Old Jul 5, 2002 | 12:26 AM
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Cool.
Thanx, Please let me know [img]i/expressions/face-icon-small-smile.gif[/img]

I am doing this on a Z400, what is yours??

If not a Z what is your front wheel tire size??

Thanx Again,
LOBE
~~~~~
 
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Old Jul 5, 2002 | 09:29 AM
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Lobexx

On my 400ex with stock front tires (22 inch tires), I am using 1660 for the measurement. Start there for a 20 inch tire and see how it works out.
 
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Old Jul 5, 2002 | 12:33 PM
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I think that the Z has the same tires on it as the Raptor. Dunlop radials. If the fronts are 21" Dunlops, then your input number should be 1679!!

Later.
 
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Old Jul 5, 2002 | 04:26 PM
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That's what is so weird, I tried settings all in this area and it always reads too fast??? 3rd gear 72mph???

So I setup a marked mile and got the WS set at 995, and the mile reading is correct, BUT when I open it up on a straight, it climbs to 52mph or so, and then starts to go back down while I am still accelerating????

This is the Panoram unit from Walmart, I am using on my Z400.
Anyone have this thing working correctly????

Thanx,
ROB
~~~~
 
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Old Jul 5, 2002 | 06:27 PM
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I guess I didn't take note of the machine you had it on. You did mount the pick-up on the front wheels? Make sure you have a relatively close gap from the sensor, to the magnet. I tried finding the directions/chart and couldn't, but just take a calculator and do the math. If you do have it on the front, are your wheels in the air? Some silly questions, but just some ideas to take into consideration. Mine has worked flawlessly. One other note, before you wash the quad down, take a piece of duct tape and cover the display...or a baggie or something else works too.

Ken
 
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