Oh yes. You are right. The long range scanner itself is maybe the most useless item, but its components are not.
The anti-gravity devices are very very useful, quite more useful than the hoverbike, since with a loss of weight you gain, you gain speed permanently and for free. That was what I was mainly talking about when I said that the hoverbike is useless.
Since it needs ether as fuel you can't use it all over the time and it's not good for passing the lava in the middle of the hive.
Is the metal tube really real? I thought it was a legend. I never found it. I look in the older threads where it might be and I suppose it's in the Dried March respectively "the gorge" as it was called before. Although this area isn't big, I couldn't found the metal tube in there. Where is it?