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Willie is making the scores lately. Lucky boy!

Kevin, I would think you'd get good use out of that chain without putting the cutters on the heavier chassis. Nice find!

Oregon is decent chain, not the greatest, but it gets the job done.

Great photo there Magnus, and that is quite an odd looking gizmo that the man is using.

If you think of the mileage that gets sold, if someone could design and patent a better cutting chain, they would probably become rich. Like the person who thought up barbed wire.

I have a titanium handlebar bike stem. Titanium frames were popular for awhile too, but they had to go with thicker walled tubing for strength, so the weight savings wasn't that great. People got very good at welding that stuff.

Andy, are titanium fumes toxic?

Titanium has roughly half the specific gravity of steel, so aside from the cutters, you would have a chain close to half the weight of the current ones. That seems pretty significant to affect chain speed. One of the factors affecting the higher cost of titanium made products is the difficulty...

Noticing that the 72LG is almost thirty years old since being introduced, does much r and d go into coming up with new chains now? I might be mistaken, but aside from minor changes, there doesn't seem to be much advancement in chain design to give faster cutting. A titanium chassis chain...

Good explanation, Willard. If I understand, and to extrapolate a bit, you are saying that the recommended method to round the leading edge of the rakers after lowering them, as recommended, would be an aid in kick back protection, and also a hindrance in chip clearance?

OK, I was deleting my question as you were posting.

Thanks Willard, and I note your word of caution. With the ramps ground down the LPX really pulls the chips, I assume due to the better clearance. I've read the claim that the LPX is a better chain for boring, compared to the LGX. I don't know the reasoning or if it's a valid claim.

Willard, this is a photo of the 'Husq' chain in question that we were discussing, one before the ramps have been ground down. As I mentioned, grinding the ramps seems to work fine, but you will notice that the rakers are a bit narrower than on chain with no ramps, obviously designed to work...

Sure Willard..thanks. Off to the big town for a change, will get some pics up in a day or two. Like to get the mystery solved, since I have a large quantity of those chains.

Willard, the Husqv chain I have does have a profile on the raker, just a slightly narrower one than is usual. I ground off the ramps to leave that and make it like the other chains I use with no safety feature. It performs in the same fashion.

Thanks, have a good trip. Maybe we can rehash this a bit more when you return.

Willard, are you saying that you wouldn't advise not using a low kickback chain on any bar shorter than 32"? With that Husq chain we were talking about, after grinding down the safety ramps, you still have the depth gauge raker profile with the rounded end, like on a standard chain with no...

I recall that vinegar soak was one way to get more life from a file.

I wonder if you could reharden a file? I have almost a full box of Woodsman Pro that are terrible. A couple sharpenings from one and that's it, even on Oregon chain.

Correct, Willard, 'Husq' is stamped on it. I'm on my first loop now, and it seems pretty good.