Sunny Yellow ___day (Traditionals only, please)

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Ace Rimmer said:
I'm just going by Steve Pfeiffer's book, Collecting Case Knives, where he says that "PU" indicates sPey and pUnch, and that only the second letter of spey, sheepfoot, punch and pen are used as abbreviations.
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That needs to be updated. I have a couple of 18PU patterns that have a sheepsfoot and punch and no spey.
 
totin' these two for an bit.
RR597 Trapper and RR1287 Loom Fixer/"Half Hawk"
View attachment 2387091
I might swap out the trapper for a RR603 yellow "XL" (4.25 inch closed) stockman (440A blades) or same size RR1740 Classic Carbon stockman, in a few days.
I "have" to give the trapper pattern a honest try/chance ...🙄
The other possibilities are a RR719 (440A) yellow Barlow or Classic Carbon RR2040 Barlow, and either a Classic Carbon 1736 Canoe, or Classic Carbon RR1743 large Sodbuster pattern. The sodbuster pattern might get paired with the classic carbon stockman, in place of the Loom Fixer.
All my Classic Carbon are the original Yellow series.
I'll probably go with the Classic Carbon's. The Sodbuster, Barlow, and Canoe "need" a bit of "work" on the patinas.
 
Capable Pairing. With T-10 blade steel.
Rough Ryder Classic Carbon RR1783 large "sodbuster" pattern. ("Old Style" tab liner lock is Traditional Forum legal.)
Rough Ryder Classic Carbon RR2040 Barlow.
View attachment 2388043
T10 is similar to 1095 but has a little more carbon and some tungsten according to this:
  • Carbon C 1.10%: Increases edge retention, hardness, and tensile strength. It also improves steel resistance to wear, abrasion, and corrosion.
  • Tungsten W 0.15%: used as an alloying ingredient due to its high melting point, hence improving perfomance of steel in high heat.
  • Chromium Cr 0.15%: Formation of Chromium carbides. Increases the blade’s hardness, tensile strength, and corrosion resistance.
  • Vanadium V 0.10%: inhibits grain growth during elevated temperature processing and heat treatment, which enhances the strength and toughness of steel. It also forms carbides that increase wear resistance.
  • Molybdenum Mo 0.10%: increases toughness and hot hardness. It also improves hardenability and forms carbides for wear resistance.
  • Phosphorous P 0.02%: Considered an impurity but may Increases the strength and improves machinability of steel
  • Manganese Mn 0.40%: improves the strength and hardness of steel. When the steel is heat-treated, hardenability is improved with increased manganese.
  • Silicon Si 0.10%: Increases strength and heat resistance.
  • Sulfur S 0.02%: Improves machinability but is regarded as an impurity in high quantities.
Source

As you can see, it does patina. 😁👍
All edges reprofiled and thinned to 10 degrees perside/20 degrees inclusive. It will hold that keen an edge, with no edge rolling or chipping.
 
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