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| Can I use a CatEye computer on my motorized vehicle? | ||||||||
The computer MUST be a wired version, as wireless computers will not work, due to engine interference. The computer must have a long enough wiring kit to run from a point on the wheel or axle, up through the firewall, to the dash, if you wish the computer face to be visible while driving. The computer must be capable of displaying auto speeds, and must be capable of being programmed to an automobile tire. Two Cat Eye models may fit your needs: Our Enduro 8 model has a reinforced, heavy duty wire that would be most suitable to auto applications. One drawback to this model is that the wire is only 70 cm, which may not be enough for auto applications. The second drawback to this model is that it only registers speeds up to 64.5 mph, which may not be sufficient for late model cars. Our Astrale 8 model may be a better choice. While it has a thinner, more fragile wire, that wire is 140 cm, which may give you more mounting options. The main benefit to this model is that it will register speeds up to 185 mph, which should be sufficient for any application. The only drawback to this model (besides the thinner wire) is that it also has a "cadence" feature wire (for calculating pedaling RPM, which you wouldn't use on a auto) that can be cut off without compromising the "speed" feature wire. Both models should be able to be able to be calibrated to an auto sized tire without any problem, To do this for an auto application, determine calibration # by performing a 'tire roll out'. To do a tire roll out: 1. Mark a spot on the floor and line up the valve stem. 2. With the usual tire pressure in the tires and passenger weight in the vehicle, roll the tire out one full revolution (when the valve stem comes back around to the floor), and measure the distance on the floor from point-to-point. This is often best performed parallel to a wall, to ensure the roll-out is done in a straight line. 3. Take this number in cm if your computer requires a 3 digit calibration # (or multiply inches by 2.54 for cm), or in mm if your computer requires a 4 digit calibration # (multiply inches by 25.4 for mm). 4. Enter this number in your computer for your wheel circumference. |
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