Originally Posted by tomkk
Interesting. I wonder how it works - it looks like it might depend on the side friction of a tire that isn't rolling exactly straight over the gauge. If that's the case, I wonder how well it would work on or aircraft tires - our tires have such a smaller footprint than auto tires, especially our high camber tires.
It measures scrub. There are two platforms separated by rollers so very little friction. There is a pointer attached to the top platform that indicated too much toe in or toe out. I've never tried it on the airplanes but it works well on my Lotus 7 with around 400 lbs/wheel.