You’re thinking too much. Move the decimal point and you may see a difference with accuracy of plus or minus .003” or more. The main thing you’re looking for is consistent thickness.I'm thinking I need accuracy of plus minus .0001. I wouldn't have any confidence with plus or minus .001. that's why I'm hung up on the $350 micrometer. Maybe my local machinist will do me another favor and measure a few patches for me that I find on my own in the local fabric stores. The last time I asked him, I had the bore plug that I made and asked him to just take one minute off to measure it, and he
grudgingly charged me $15 instead of his hardcore policy of a minimum charge of $125.
I can see Daniel Boone in Cincinnatus' Trading Post at Boonesboro asking for that new paisley #.014, only to find out that Mingo had just bought it all.I doubt if folks in the 1800s measured their linen to the thousandths of an inch and then turned up their nose to usable patching material.
I just have this Android phone so maybe that's why I couldn't find patches at t o w or ox-yI have used Ox-Yoke, various patching from ToTW, and denim from Walmart. I do measure the thickness compressed. I have found that the thickness marked on commercial patches is not too accurate anyway...generally they compress to about 20% less than what is indicated on the package...and usually what is on the package isn't even the uncompressed thickness. In net...if it shoots well it really doesn't matter!
Actually, you don't need accuracy of 0.0001". The RCBS micrometer for $37.99 (unfortunately out of stock) does have a resolution of 0.0001". The Starrett micrometer for $169.99 is in stock and has resolution of 0.0001".
Patch thickness just needs resolution of 0.001"
You do have to be careful. You can use blue in California red in Texas but either in Wisconsinebay sells them in bulk in whatever thickness you prefer
Here's an example:
https://www.ebay.com/itm/282637040781
My regular dial calipers measure cloth just fine from what I can tell. Sort of gently "pinch" the caliper when u close it down on the cloth and the measurement seems to be pretty accurate.
Walmart has the blue (.015") and the red (.018") striped pillow ticking.
Shot my fist ml in 1973, never owned a mic or used one.FWIW, I've been shooting PRB's for over 45 years, and although I own a micrometer, I've yet to measure patch thickness.
Pioneers, mountain men, and soldiers of long ago never owned micrometers so, many years ago, I just went to a fabric store and bought a few yards of both blue & red pillow ticking for less than $10, and cut/lube my own to dance with who brung ya. (aka: K.I.S.S.)
No, @FishDFly, Dutch Schoultz has been advocating the need to use a micrometer to measure the thickness of shooting patches well before this forum and many others were started.
Grenadier and FishDFly both make good points. How much time one takes measuring patches or their roundballs, or whether they pre-weigh loads vs a simple antler volume measure, has much to do with their personal interests and needs. For me, I shoot to hunt. I want good groups, but I'm not striving for all x's from my deer guns. I do measure patch material because I have found .003 to make a difference...though probably still not enough at even 100 yards for "minute of deer" groups.His need was for serious line shooting. How many folks here actually participate in serious line shooting?
Measuring patch thickness does not hurt anything, but I am not really sure that it is the panacea.
Those who strive for X's and not 10's use Teflon coated patches with a known thickness.
Wars have been started over less!I can see Daniel Boone in Cincinnatus' Trading Post at Boonesboro asking for that new paisley #.014, only to find out that Mingo had just bought it all.
.0001"?????????? None of the stuff related to ML shooting is built to within a .001", so why do you think you need to measure .0001"????? Get a $30 pair of calipers, not a micrometer, & you can measure anything related to our hobby with more than adequate accuracy.I'm thinking I need accuracy of plus minus .0001. I wouldn't have any confidence with plus or minus .001. that's why I'm hung up on the $350 micrometer. Maybe my local machinist will do me another favor and measure a few patches for me that I find on my own in the local fabric stores. The last time I asked him, I had the bore plug that I made and asked him to just take one minute off to measure it, and he
grudgingly charged me $15 instead of his hardcore policy of a minimum charge of $125.
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