I have the following sizes of brass tubing for sale.
Feed Tube - 13/16 (.812) OD x .028 wall (.756 ID) = $10 per foot ($0.83 per inch).0212 lb/in - .2549 lb/ft
Notes: This tubing is slightly (.006") larger ID than original Sheridan feedtube
Barrel Tube - 13/16 (.812) OD x .062 wall (.688 ID) = $18 per foot ($1.50 per inch).045 lb/in - .54 lb/ft
Small Bore Barrel Tube - 13/16 (.812) OD x .067 wall (.678 ID) = $36 per foot ($3.00 per inch) Available in NOW
Sheridan Valve Tube - 7/8 (.875) OD x .050 wall (.775 ID) = $20 per foot ($1.67 per inch).0399 lb/in - .479 lb/ft
Thin Wall Barrel Tube - 3/4 (.750) OD x .032 wall (.686 ID) = $12 per foot ($1.00 per inch).0216 lb/in - .2588 lb/ft
Notes: I do NOT recommend using this as an unprotected barrel, as it is VERY thin walled, and will dent very easily. I am using my piece to make a couple of custom Nova barrels.
Reeded Barrel - 3/4 (.750) OD x .032 wall (.686 ID) $18 per foot ($1.50 per inch).0216 lb/in - .2588 lb/ft
Notes: The reeded tube has 22 lands. There is a very slight twist to it.
Direct Feed Tube - 7/8 (.875) OD x .062 wall (.750 ID) $20 per foot ($1.67 per inch).0491 lb/in - .5897 lb/ft
Automag Body Tube - 1 1/8" (1.125) OD x .0625 wall (1.00 ID) $33 per foot ($2.75 per inch).0638 lb/in - .7661 lb/ft
Barrel Adaptor Tube - 1 (1.00) OD x .093 wall (.814 ID) = $40 per foot ($3.33 per inch).0816 lb/in - .9795 lb/ft
Notes: This tube will allow you to create a 1" OD adaptor from the standard Barrel tube. This could be machined to create an Automag twistlock, or threaded to create an Autococker barrel. The final machining is up to the user. I *might* offer the machining services at a later date, but that will be determined... later ;)
The fine print:
I accept Paypal, but can not accept transactions that are funded via credit card.
I ship every Friday, unless we make special arrangements.
The maximum single length I can ship is 6 feet.
I will cut to length, but all measurements are +/- 1/8".
I reserve the right to apply a small cutting charge for multiple sub one foot lengths.
Prices do NOT include postage.
I will ship via USPS Priority with delivery confirmation, unless you want me to ship via some other service.
I will post pictures tonight. Edit: Due to circumstances beyond my control, the old pictures will have to do until the other camera is located.
From left to right:
Reeded tubing. The lands are both inside and out. This is an experiment. PM me for more details.
Direct feed tube.
(Pardon the poor picture quality)
+/- 000" on the id/ od ?
+/- 000" on the straightness of the OE length?
I will preface this with... All I have is a cheap dial caliper, therefore the +/- might not be any better than .001 because of poor quality measuring device.
Based on measurements of all tubes, except the reeded one (it is difficult to get an accurate measure), all dimensions are +/- .002
As for overall straightness, I am at a loss as to how to measure it, without a surface plate. Unfortunately, I do not have access to a surface plate. If anyone has a "simple and inexpensive" way to measure overall straightness, I will be happy to use it, and post the results.
Those figures I asked for should have been provided by the supplier.
The supplier did not volunteer this information, so I will call them tomorrow and ask if they can supply it. I will not be suprised if they can't give me an acceptable answer, as the tubing is not "precision". They sell it in 12ft "mill lengths" and have to cut it into 6ft pieces for shipping. This may also introduce some distortion in the overall straightness.
I'm sorry I can't be more helpful right now, but I will have an answer tomorrow around noon EST.
Thank you for your patience,
I have spoken to my supplier. They claim not to be the manufacturer, therefore "the specifications are what you measure them to be" is the answer they gave me. I understand this is not an appropriate answer, but that is the information I have. I will do some tests tonight using a 4 ft straight edge to try and determine the overall straightness.
I want to use a ccm feed gate on a short lenght of tube- which size do I need and how short would a 10/12 ball lenght be? Pm me.
Based on my tests, the overall straightness is +/- .002 over a 3 ft length.
The testing method is as follows:
Place tube to be tested against an assumed straight edge. In my case a 4 ft level. Use a towel, folded multiple times to get enough pressure to hold the level and tube together, without introducing any additional measurement errors. Use a feeler guage to determine the maximum deflection from the level. Rotate the tube 60 degrees and repeat procedure. Continue until the tube has been measured in 6 places. Make sure to note if the maximum deflection occurs first in the middle and then 180 degrees later, at the ends.
Repeat above procedure for all barrel tubing in stock.
I know that there are a lot of things that might affect this test, therefore I know that the results are not necessarily valid. Please make of them what you will.
Sorry for the delay, but the measuring and data compliation took a while.
I still have plenty to sell, but once it is gone, I will not likely make another order. So, get it while you can!
Back to page one... wheeeeee...
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