Rasp Burr Finish Experiment (Porting)

RustyRatRod said

Just askin....what's the point of using wood burrs? Are they cheaper? How are they holding up?

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For me it’s purely an alternative to buying a good single cut 6” oval burr, trying to get it bent correctly, knocking off teeth and learning how to control it to get the desired burr finish. RB is about the only one posting here about the burr finish, it’s been discussed thoroughly on various other sites like yellowbullet and speed talk not to mention by a few of the guys that have perfected it and promote it like Speier, Weingartner and Meaux.
I’ve studied the Finish, Determined that it looks like somebody used a rasp burr, and like I’ve mentioned earlier I’ve used wood rasp files and burrs for aggressive aluminum removal while fabricating brackets and such for my van. While others may scoff at the thought of using a woodworking rasp on aluminum, I know from experience that it works and in mere minutes of trials I’ve come up with what looks to be the equivalent. As to whether it’s worth the effort or if there’s any benefit it’s really not the point yet.That’s pretty much the gist of it