Detectors are alot different than cars...........I agree that estimated miles per gallon is a good comparative test that carmakers use to help people make a choice when buying a car. Now...when we start talking about your average new detector user. What is the FIRST question out of their mouth? HOW DEEP WILL IT DETECT? That is the ONLY concern they have, they don't know about discrimination, or threshold, or ground balancing or anything else....just HOW DEEP. Never mind about all the variables experienced detectorists worry about. HOW DEEP is all that counts. He will look at one of those pretty graphs and all he will see is that one line that goes all the way to the bottom.
Now, lets suppose all the detector companies decide to publish their engineering data on depth testing different models and coil combinations. Who would go first? You can bet your bottom dollar that if I manufacture detectors, my data won't be put up first so everybody can add an inch or two on their graphs. Then we would have a graph war, hehehe Wonder where it would end? We would all need to rent Bobcats with backhoe attachments instead of Lesche tools.
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