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Post by dirving79 on May 7, 2019 15:11:19 GMT -6
I ardently dislike the ER 1912, but I think I based it off one that possibly had weak tension. May revisit.
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rayr
Blade King
Posts: 427
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Post by rayr on May 7, 2019 15:43:55 GMT -6
I measured the blade gap on a GEM 1912 and a GEM Junior 1912 Blade gap on the GEM 1912 was .43mm, the Junior was .53mm. No drastic difference. I can measure some others I have, I would expect they would be in the same general range. Does the Junior shave more aggressively? No, not at all. The difference in blade gap between just the 2 razors I measured is only 4/1000 of an inch, hardly anything that is going to be perceptible in shaving. The angle of the blade against the skin and pressure would have a more pronounced difference in aggression, assuming you're using the cap as the proper angle against the skin as the designers intended and light pressure then would not feel any difference even with very slight variations in blade gap.
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rayr
Blade King
Posts: 427
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Post by rayr on May 7, 2019 15:49:11 GMT -6
I ardently dislike the ER 1912, but I think I based it off one that possibly had weak tension. May revisit. Ya, I think so too if the spring is weak and not pushing the cap solidly against the blade that could suck.
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Post by dirving79 on May 7, 2019 16:01:03 GMT -6
I ardently dislike the ER 1912, but I think I based it off one that possibly had weak tension. May revisit. Ya, I think so too if the spring is weak and not pushing the cap solidly against the blade that could suck. It wasn’t enough as to make the blade move during use but it amounted to an overly mild, boring shave. And I hate both of those things ☺️
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TobyC
Gem Star
Old stick in the mud.
Posts: 2,400
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Post by TobyC on May 7, 2019 18:50:05 GMT -6
I measured the blade gap on a GEM 1912 and a GEM Junior 1912 Blade gap on the GEM 1912 was .43mm, the Junior was .53mm. No drastic difference. I can measure some others I have, I would expect they would be in the same general range. Does the Junior shave more aggressively? My Junior shaves just like any other 1912, I measure the old fashioned way,... I shave.
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TobyC
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Old stick in the mud.
Posts: 2,400
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Post by TobyC on May 7, 2019 19:04:35 GMT -6
I ardently dislike the ER 1912, but I think I based it off one that possibly had weak tension. May revisit. Ya, I think so too if the spring is weak and not pushing the cap solidly against the blade that could suck. Actually no. The cap doesn't hold the razor blade at all, it's just to give your face something smooth to ride on. Any razor that uses the 1912 type razor blade retention system can be used without a cap without incident. Here is a Featherweight with no cap. Attachments:
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TobyC
Gem Star
Old stick in the mud.
Posts: 2,400
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Post by TobyC on May 7, 2019 19:08:11 GMT -6
Also like the barless Junior.
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rayr
Blade King
Posts: 427
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Post by rayr on May 7, 2019 19:49:42 GMT -6
Ya, I think so too if the spring is weak and not pushing the cap solidly against the blade that could suck. Actually no. The cap doesn't hold the razor blade at all, it's just to give your face something smooth to ride on. Any razor that uses the 1912 type razor blade retention system can be used without a cap without incident. Here is a Featherweight with no cap. Yes as long as the spring is in good shape, it's the spring that pushes against the spine of the blade that pushes the blade into the stop hooks and holds it there. A 1912 with a loose/broken spring can't do that, cap or no cap, so the blade will move when shaving and that ain't good. The spring also puts tension on the cap to keep it firmly closed.
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TobyC
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Old stick in the mud.
Posts: 2,400
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Post by TobyC on May 7, 2019 20:40:12 GMT -6
Actually no. The cap doesn't hold the razor blade at all, it's just to give your face something smooth to ride on. Any razor that uses the 1912 type razor blade retention system can be used without a cap without incident. Here is a Featherweight with no cap. Yes as long as the spring is in good shape, it's the spring that pushes against the spine of the blade that pushes the blade into the stop hooks and holds it there. A 1912 with a loose/broken spring can't do that, cap or no cap, so the blade will move when shaving and that ain't good. The spring also puts tension on the cap to keep it firmly closed. With a blade in the razor, the center tab will be only pushing on the blade not the cap, there will be a gap in between the tab and the cap.
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TobyC
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Old stick in the mud.
Posts: 2,400
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Post by TobyC on May 7, 2019 20:48:20 GMT -6
The only reason the tab goes through the cap, is for the cap to pull the tab back for blade release.
The springs at the outer corners under the hinge pins are what keeps the cap closed.
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rayr
Blade King
Posts: 427
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Post by rayr on May 7, 2019 21:07:23 GMT -6
The only reason the tab goes through the cap, is for the cap to pull the tab back for blade release. The springs at the outer corners under the hinge pins are what keeps the cap closed. OK you call it a tab, I call it a spring. If the tab is loose/broken the cap will not be firmly closed, it might even rattle if you shake the razor if it's loose enough.
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TobyC
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Old stick in the mud.
Posts: 2,400
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Post by TobyC on May 8, 2019 15:12:13 GMT -6
The only reason the tab goes through the cap, is for the cap to pull the tab back for blade release. The springs at the outer corners under the hinge pins are what keeps the cap closed. OK you call it a tab, I call it a spring. If the tab is loose/broken the cap will not be firmly closed, it might even rattle if you shake the razor if it's loose enough. No. The tab has a spring that it contacts on the bottom of it. With a blade in the razor the tab does not touch or put pressure on the cap. Springs that stick out like wings under the cap pivot points are the only springs involved in closing the cap. The cap has nothing to do with holding the blade in any way.
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rayr
Blade King
Posts: 427
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Post by rayr on May 8, 2019 21:39:35 GMT -6
OK you call it a tab, I call it a spring. If the tab is loose/broken the cap will not be firmly closed, it might even rattle if you shake the razor if it's loose enough. No. The tab has a spring that it contacts on the bottom of it. With a blade in the razor the tab does not touch or put pressure on the cap. Springs that stick out like wings under the cap pivot points are the only springs involved in closing the cap. The cap has nothing to do with holding the blade in any way. Do you have any 1912's with a weak spring? (I'm talking about the tab piece that that comes through the cap) If that piece is weak/loose, when the door is closed, you can move that tab back and forth with your finger. If that's the case the door will not close down tightly and the blade will be not be firmly locked down into the blade stop hooks. You can move the blade away easily from the stop hooks with just your fingernail, which shouldn't happen on a 1912 in good shape. Those are the symptoms of the problem every time. The whole wing spring piece that's riveted to the frame has nothing to do with the problem of a loose blade or cap.
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TobyC
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Old stick in the mud.
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Post by TobyC on May 9, 2019 5:50:45 GMT -6
You do not understand how a 1912 works. I'm done.
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Post by wchnu on May 10, 2019 21:16:44 GMT -6
I measured the blade gap on a GEM 1912 and a GEM Junior 1912 Blade gap on the GEM 1912 was .43mm, the Junior was .53mm. No drastic difference. I can measure some others I have, I would expect they would be in the same general range. Does the Junior shave more aggressively? Not at all.
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