Tom Gi Posted January 14 Report Posted January 14 I got some ultra reverse Flying Dutchman somewhere I watched a video how to tell which way was the right direction to install them there is a small notch or bump on one end is it supposed to be up or down looking at the teeth under a magnifier they are so small can’t tell the direction thanks OCtoolguy 1 Quote
dgman Posted January 14 Report Posted January 14 You can’t tell by looking at them. The notch is the top of the blade. If you look at the label, it tells you the same thing. OCtoolguy 1 Quote
JTTHECLOCKMAN Posted January 14 Report Posted January 14 44 minutes ago, Tom Gi said: I got some ultra reverse Flying Dutchman somewhere I watched a video how to tell which way was the right direction to install them there is a small notch or bump on one end is it supposed to be up or down looking at the teeth under a magnifier they are so small can’t tell the direction thanks Right on front of package it says Crimp on top of the blade. OCtoolguy and barb.j.enders 2 Quote
Fab4 Posted January 14 Report Posted January 14 Hi Tom: Crimp or no crimp really doesn't matter If you "lightly" run your finger along the blade, you can feel which way the teeth are going, make sure that the bulk of the blade is pointing downwards and the 6 or 8 teeth at the bottom point upwards. As mentioned above, if there's a crimp then it's a lot easier to tell which way the the blade goes. Fab4 ChelCass, TAIrving, OCtoolguy and 1 other 3 1 Quote
JimNC Posted January 14 Report Posted January 14 Is this for just the ultra reverse blades or is this for all REVERSE blades? I always wondered if there was a right and wrong way to install reverse blades. OCtoolguy 1 Quote
TAIrving Posted January 14 Report Posted January 14 1 hour ago, JimNC said: Is this for just the ultra reverse blades or is this for all REVERSE blades? I always wondered if there was a right and wrong way to install reverse blades. Jim @JimNC, I cannot tell which post you are referencing. The post about the bump at the top of the blade does NOT apply to blades other than Flying Dutchman. What Paul @Fab4 said about running your finger along the blade works for all brands of blades. OCtoolguy and Fab4 1 1 Quote
barb.j.enders Posted January 14 Report Posted January 14 Don't be fooled on the Pegas Modified Geometry blades. They seem to have a little notch in the blade. It is NOT the top. I have had, in the same package, some with the notch at the top and the bottom. The only sure way is to run your finger on the blade. OCtoolguy, TAIrving, Scrappile and 1 other 4 Quote
JTTHECLOCKMAN Posted January 14 Report Posted January 14 (edited) lets take it easy now. OP asked about the ultra reverse blades from FD.. It does not work to run the finger down on those blades because there is a reverse blade every third tooth all the way up the blade so you will not feel the difference. At least not with my pudgy fingers. Thus the need for the identification on the blade with the stamping. I believe there are other blades like this in both brands where the teeth are opposite each other through the whole blade. There was discussion here about the notch on the Pegas blades and I do not remember much about it because I do not use that brand. Maybe someone can clarify the results of that. Edited January 14 by JTTHECLOCKMAN Tom Gi, OCtoolguy, Scrappile and 1 other 3 1 Quote
Denny Knappen Posted January 14 Report Posted January 14 As for Pegas MGT blades, the notch is not for direction of the blade. It is a function of the manufacturing process. OCtoolguy, barb.j.enders and Scrappile 2 1 Quote
BadBob Posted January 15 Report Posted January 15 I have seen the claim repeatedly that blades are notched at the top, and I have started paying close attention. I have Pegas, Flying Dutchman, and a few Olsen blades. I have found them with the following: Both ends notched Top end notched Bottom end notched Neither end notched Sometimes, mixed in the same batch The best way to find the top is to lightly rub the teeth with my finger. I can feel it when the direction changes. OCtoolguy 1 Quote
BadBob Posted January 15 Report Posted January 15 21 hours ago, JTTHECLOCKMAN said: OP asked about the ultra reverse blades from FD.. It does not work to run the finger down on those blades because there is a reverse blade every third tooth all the way up the blade so you will not feel the difference. I don't have any of these. Is there a top and bottom for an Ultra reverse blade? OCtoolguy 1 Quote
barb.j.enders Posted January 15 Report Posted January 15 19 minutes ago, BadBob said: I don't have any of these. Is there a top and bottom for an Ultra reverse blade? This is from Mikes Workshop page on the Ultra Reverse. Unique new scroll saw blade design. Every 3rd tooth reversed to prevent splintering on underside. Faster, smoother cut. These come with a crimp on the top of the blade to help with proper orientation in your saw. @Tom GI to answer your question, the crimp/bump is the top of the blade. Scrappile, Tom Gi and OCtoolguy 1 2 Quote
BadBob Posted January 15 Report Posted January 15 Quoting from @barb.j.enders Ultra Reverse post that was too small for me to read: Unique new scroll saw blade design. Every 3rd tooth reversed to prevent splintering on underside. Faster, smoother cut. These come with a crimp on the top of the blade to help with proper orientation in your saw. OCtoolguy and Scrappile 2 Quote
barb.j.enders Posted January 15 Report Posted January 15 1 minute ago, BadBob said: Quoting from @barb.j.enders Ultra Reverse post that was too small for me to read: Unique new scroll saw blade design. Every 3rd tooth reversed to prevent splintering on underside. Faster, smoother cut. These come with a crimp on the top of the blade to help with proper orientation in your saw. Sorry about that @BadBob, I reduced the font to make it "clear" that it was a direct quote. OCtoolguy 1 Quote
JTTHECLOCKMAN Posted January 15 Report Posted January 15 3 hours ago, BadBob said: I don't have any of these. Is there a top and bottom for an Ultra reverse blade? Yes as pointed out already with the notch on top. When people talk reverse blades it could mean those blades that have 5 or 6 teeth on the bottom of the blade to help with splintering on bottom of projects when cutting. But those you can easily run your finger down them and tell what end is top. The ultr reverse blads you need a little help and that is why the notch. OCtoolguy 1 Quote
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