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Date Posted: 11:15:14 10/10/02 Thu
Author: Ralph
Subject: X-5 Modifications - First Impressions

I got modified X-5 SN000013 back from Arizona on Monday, and have had little time to do any real field testing with it so far, but doing comparisons with my usual bench items, the changes were not "dramatic", but noticeable. The sensitivity control range can now be ran 1 or 2 positions (numbers) higher than previously before interferrence or instability become noticeable. This alone will give me a solid inch additional air range on a silver quarter, 15 inches on the original configuration and 16 inches or a bit more after the modifications. The discrimination range is diffferent, with a braoder range on the low end than on the original. Small iron tends to discriminate out now at around 3.5 rather than the former 2.8 "sweet spot", and target separation between karat gold jewelry and small iron is still "tight" but basically the same as it was at the lower disc. level of the original machine. On very tiny gold nuggets, .4 grains and 1.1 grains in weight, small target sensitivity is still as good as before, with these hitting at 2 and 5 inches respectively in air tests in the discrimination mode, and about the same (but with less pronounced target signal volume) in the all-metal mode. With the original version of the X-5, when you maxed out the threshold in the discrimination mode, you had the advantage of a more pronounced target signal volume, but often (in trashy areas) increased the instability of the machine at the same time. That problem seems to have been alleviated for the most part, and running the threshold "full-throttle" even in more adverse ground conditions is much easier than previously.

I mentioned to Jim Pugh that I thought a vernier-type pot on the discrimination control might be worth consideration on this machine, since that small iron to small karat gold "sweet spot" is definately a most desirable setting for many hunting situations, and he seemed to think that was a good idea. Not that the present disc. control is difficult to use, it's not. A vernier pot would just provide for a little more precise tuning of that control, and I'm not sure there is even room in the X-5 case for such a modification. Remember too, that such modifications are at the owners risk, not recommended by Troy, and will void the warranty in opening the case. Not really a major concern in any case, and that "sweet spot" is easy to find once you know where it is.....about 3.5 on the modified and post SN300 machines and 2.8 or so on the pre-modifieds.

IMO, the slight modifications were a definate improvement in the overall workings of the X-5. Fatizzi might even like it now......:) Check out some of the depths these guys were getting on bullets at the Legends Hunt last week !!

Ralph

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