.063 .325
- Thread starter tdiguy
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If you think there is not a reason behind it try some 3/8 full chisel chain on a ms 250 . I would as soon have a sharp axe
Just to make thinking folks crazy . . .
Most STIHL chain is .063 gauge. The drive links are the same width at the top (which is why we use the same pre-sets when making up chain loops), but swaged or ground down on the lower half for .058 or .050 gauge chain. It actually takes them more work to make the 'thinner gauge' chains.
Most Oregon .063 drive links are straight gauge.063 on top and bottom, but most .058 and .050 chains are .058 at the top. Check it out with your micrometer.
If they were not consistent at the top of the drive links, the width of the kerf would change, and they might need different thickness guide bars, etc.
Exceptions include narrow kerf chains, and smaller pitch chains (3/8 low profile, 1/4 pitch, etc.).
Philbert
Most STIHL chain is .063 gauge. The drive links are the same width at the top (which is why we use the same pre-sets when making up chain loops), but swaged or ground down on the lower half for .058 or .050 gauge chain. It actually takes them more work to make the 'thinner gauge' chains.
Most Oregon .063 drive links are straight gauge.063 on top and bottom, but most .058 and .050 chains are .058 at the top. Check it out with your micrometer.
If they were not consistent at the top of the drive links, the width of the kerf would change, and they might need different thickness guide bars, etc.
Exceptions include narrow kerf chains, and smaller pitch chains (3/8 low profile, 1/4 pitch, etc.).
Philbert
Overkill338
M-Tronicly Obsessed
I assume you arent replying to me. Because my measurements prove a full 3/8 would be detrimental to smaller CC saws. Especially homeowner saws.
I'd use one of Stihls performance kits on a 261 converting it to Picco. I enjoy a fast cutting speed.
Overkill338
M-Tronicly Obsessed
I just put the chains away. I will measure that for you later today. I have an Oregon EXL and Stihl RS in 3/8" .050", Stihl PM and PS in 3/8 LoPro, and a RS in .325 here I can check for ya.
Absolutely, and my .325 7 pin rim moves less chain per revolution than a 7 pin 3/8.
Overkill338
M-Tronicly Obsessed
I wasnt arguing speed, you said it had less cutters when it doesnt.
325 with 7 pin
82 feet per second
3/8 with 7 pin
94 feet per second
Would make sense to save the extra process if most of their chain starts as .063. I'm surprised it isn't all .063, to save on cost.
Teeth per distance for 3/8 vs 0.325 is very close to 8 to 9 if the links per hundred feet is used as the origin numbers.
I thought in your previous reply, you were talking the whole loop. I know it has more cutters, but is the drive sprocket difference enough to make up for it? .325 903 cutters per second vs. 853 for the 3/8 using your chain speed #'s looks like 13000 rpm?
By D.L. count 3/8 100' roll is 2.4 ft. longer than .325.
Gauge has NOTHING to do with kerf.
Yes, 0.325 has more SMALLER cutters. The 7T or 8T 0.325 sprocket gives less chain speed than a 3/8 7T or 8T sprocket. So those SMALL cutters are slower/cutter.
If you want to educate yourself(ves) about: pitch , kerf, chainspeed, gauge...etc. Mosey over to the milling forum and spend a day or two learning.
I'm done
I'm done
Interesting thread.I had a person that ordered a chain from Baileys at my suggestion. His saw was a Husky 51, same as mine. Anyway he brought the saw over with the new chain installed and bitched up a storm. Never gonna use that crap again.Well it turns out he has a .058 bar with a .050 chain. I always have a couple .058 ArborPro 325 16 inch new in box. Anyway his saw never cut better.Told him to read the numbers on the bar. He's a happy camper. I have an Echo that has a .050 and 325 16 BC. Everyone is happy. Yes I did charge him for the chain.
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This is like a Feb. thread!!!
Unless you change the sprocket.
The hard differences are the sizes of the cutters and the spacing.
Philbert
Overkill338
M-Tronicly Obsessed
I always use 13k as a base for chain speed. Seems like an average top #
Overkill338
M-Tronicly Obsessed
Dude FFS I wasnt even discussing that. I just noted that 325 chains called narrow kerf are generally associated with Husky and are .050 gauge. I know all about chains, I'm not stupid enough to think the driver thickness effects the size of the actual cut.
Why do people always start arguments with themselves. I did not come in this topic to argue anything. I just took actual measurements, with a quality caliper, and added them in.
Overkill338
M-Tronicly Obsessed
By the way, the easiest (more accurate) way to measure kerf, is to snug the chain in a vice capturing two cutters from each side. Just tight enough to keep it from falling out.
Measuring the cut in a 2x4 is redundant, because wood splinters and gives inaccurate measurements.
Measuring the cut in a 2x4 is redundant, because wood splinters and gives inaccurate measurements.
