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Ruminations on the Edge

It's an excellent razor- efficient and smooth. Noting that, how does the clamping design contribute or hinder performance. In other words, how do we take your (astute) observations on clamping, along with the other information we likely know (gap and exposure) to build a predictive model for efficiency and smoothness? Are those three factors sufficient and necessary? Are we missing others?

Furthermore, hiw might we consistently measure efficiency and facial impact so we can do some statistical analysis and come up with a model to predict a composite score of the two?

@helicopter has done a great job making a dent into this question from the perspective of blade efficiency and comfort, but I haven't seen any similarly scientific research on the razor front.

I would imagine such research must exist somewhere in the Gillette archives.

Enquiring minds want to know...
What a great thought. I’d add shave plane, but that’s probably getting into diminishing returns.

We all know there’s a ton of factors that go into razor performance (exposure, gap, rigidity, angle, weight, so on) and that’s just the hardware.

My guess is when we look back 5 years from now, gap, exposure and rigidity will be the “big three” factors we use to describe razors. Blade rigidity is starting to seem (to me) like the on-base percentage from Moneyball.
 
The Henson aggressive (+++) is not a fixed angle shaver. It has a blade exposure of 0.11mm and therefore shaves at a range of angles. I keep it very shallow and it does exceptionally well on my face. Steeper gets harsh, in my experience.

The Henson mild (+) is mostly fixed, although some find it shaves at a range of angles. That is a benefit for some, as if they are at the wrong angle it lifts the blade away. The medium is in the middle and does have a small range of angles too.
That’s super interesting. So the exposure is large enough that you can basically over-ride the shave angle? That’s pretty cool 😊
 
The Henson aggressive (+++) is not a fixed angle shaver. It has a blade exposure of 0.11mm and therefore shaves at a range of angles. I keep it very shallow and it does exceptionally well on my face. Steeper gets harsh, in my experience.

The Henson mild (+) is mostly fixed, although some find it shaves at a range of angles. That is a benefit for some, as if they are at the wrong angle it lifts the blade away. The medium is in the middle and does have a small range of angles too.
Interesting. Thanks for that. I started with the mild, taking a fixed angle approach. When I picked up the others, I just stuck to the fixed angle. Learn something new every day!
 
That’s super interesting. So the exposure is large enough that you can basically over-ride the shave angle? That’s pretty cool 😊

You aren't overriding the shave angle, the aggressive has a relatively large exposure, you're just using the angle range it gives you. At first the exposure of the +++ was too much for me, so I stuck with the ++, but as I worked on my technique it became easier. The blade rigidity really helps. Now if I keep it on the shallow end I can get a BBS shave with zero feedback, not even warmth after applying post shave alcohol-based astringent. The lighter weight of Al or Ti helps me keep the lightest touch.
 
You aren't overriding the shave angle, the aggressive has a relatively large exposure, you're just using the angle range it gives you. At first the exposure of the +++ was too much for me, so I stuck with the ++, but as I worked on my technique it became easier. The blade rigidity really helps. Now if I keep it on the shallow end I can get a BBS shave with zero feedback, not even warmth after applying post shave alcohol-based astringent. The lighter weight of Al or Ti helps me keep the lightest touch.
Got it, and much appreciated.

I probably need to slow down on RAD for a month or so, but I’m going to put the Henson aggressive on the list!
 
You can override the shave angle on the AL13+, too. It’s got positive exposure and the rest is up to you. I usually use a steep angle so I’m done quicker. A steep angle on an AL13+ isn’t at all steep.
Saw these posts and it caught my interest. I notice that the +++ also seems to have a slightly more profiled face on the cap, which might lead to more available angles. Notice the slightly curved shape of the edge in the aggressive (dark grey), versus the straight edge on the non-aggressive (light grey). I don't have an aggressive myself, but have seen one. Hope to try one eventually and see how it does/feels compared to my +!

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