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Post by Deleted on Jan 25, 2017 15:49:42 GMT -5
I piled up enough hours as a part time apprentice during my college years to eventually obtain a journeyman plumbing license. I was making $7/hr when the minimum wage was less than $3/hr, sweet. I haven't plumbed anything in years but still maintain the license for kicks. I know my fittings and, hence, bends and angles; however, I'm not sure how they apply to pipes.
For example, does two 45 degree angles translate into a 1/2 or 1/4 bend? 360 degrees in a circle would mean 1/4 bend. Does two 22 1/2 degree bends, 45 total, translate into an 1/8th bend?
Most classifications I've seen appear to indicate pipe bend classifications are based on 180 degrees, a half circle, meaning two 45 degree bends would equal a 1/2 bend instead of 1/4, two 22 1/2 degree bends would mean 1/4 bend instead of 1/8 based on a full circle.
Thoughts appreciated.
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Post by Deleted on Jan 25, 2017 16:42:45 GMT -5
I piled up enough hours as a part time apprentice during my college years to eventually obtain a journeyman plumbing license. I was making $7/hr when the minimum wage was less than $3/hr, sweet. I haven't plumbed anything in years but still maintain the license for kicks. I know my fittings and, hence, bends and angles; however, I'm not sure how they apply to pipes.
For example, does two 45 degree angles translate into a 1/2 or 1/4 bend? 360 degrees in a circle would mean 1/4 bend. Does two 22 1/2 degree bends, 45 total, translate into an 1/8th bend?
Most classifications I've seen appear to indicate pipe bend classifications are based on 180 degrees, a half circle, meaning two 45 degree bends would equal a 1/2 bend instead of 1/4, two 22 1/2 degree bends would mean 1/4 bend instead of 1/8 based on a full circle.
Thoughts appreciated.
Don't over think it Mark, I view it as this, a full bent is an Oom Paul and dividing that between a straight pipe gives you what's left, 3/4, 1/2 & 1/4 bends. Easy Peasey Japanesey.  I was an apprentice plumber back in the late 70's and early 80's and we were still stuffing oakum and leading, thank the Lord for no hub bands. |
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docaitch
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Making briar dust
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First Name: Walter
Favorite Pipe: Sasieni, and my own
Favorite Tobacco: Dunhill Deluxe Navy Rolls
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Post by docaitch on Jan 25, 2017 21:32:00 GMT -5
I have never tried to quantify this, your question hurts my head. If the last part of the stem is parallel to the top of the tobacco chamber (or a line drawn perpendicular to the long axis of the chamber , with the exception of the horn and related shapes, or the extreme forward cants), it is ENOUGH bend.
DocAitch
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Post by Deleted on Jan 25, 2017 21:47:28 GMT -5
I have never tried to quantify this, your question hurts my head. If the last part of the stem is parallel to the top of the tobacco chamber (or a line drawn perpendicular to the long axis of the chamber , with the exception of the horn and related shapes, or the extreme forward cants), it is ENOUGH bend. DocAitch No wonder your head hurts, you're both over thinking it. Since when does a pipe maker need to take a calculus course?  |
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Post by Deleted on Jan 25, 2017 22:04:46 GMT -5
I piled up enough hours as a part time apprentice during my college years to eventually obtain a journeyman plumbing license. I was making $7/hr when the minimum wage was less than $3/hr, sweet. I haven't plumbed anything in years but still maintain the license for kicks. I know my fittings and, hence, bends and angles; however, I'm not sure how they apply to pipes.
For example, does two 45 degree angles translate into a 1/2 or 1/4 bend? 360 degrees in a circle would mean 1/4 bend. Does two 22 1/2 degree bends, 45 total, translate into an 1/8th bend?
Most classifications I've seen appear to indicate pipe bend classifications are based on 180 degrees, a half circle, meaning two 45 degree bends would equal a 1/2 bend instead of 1/4, two 22 1/2 degree bends would mean 1/4 bend instead of 1/8 based on a full circle.
Thoughts appreciated.
Don't over think it Mark, I view it as this, a full bent is an Oom Paul and dividing that between a straight pipe gives you what's left, 3/4, 1/2 & 1/4 bends. Easy Peasey Japanesey. I was an apprentice plumber back in the late 70's and early 80's and we were still stuffing oakum and leading, thank the Lord for no hub bands. Thanks Ron. That makes things more easily understandable. |
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Post by Deleted on Jan 25, 2017 22:11:27 GMT -5
I have never tried to quantify this, your question hurts my head. If the last part of the stem is parallel to the top of the tobacco chamber (or a line drawn perpendicular to the long axis of the chamber , with the exception of the horn and related shapes, or the extreme forward cants), it is ENOUGH bend. DocAitch Well stated, clears it up in a nutshell - Just a small jump across a narrow stream. |
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Post by papipeguy on Jan 25, 2017 22:31:13 GMT -5
2 holes and one stem. The rest is art.
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Post by antb on Jan 26, 2017 1:26:21 GMT -5
Beats me!  |
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Post by Motto on Jan 26, 2017 4:19:29 GMT -5
P'S, I did a plumbers course between College studies, I have concluded as someone caught between Imperial units & metric SI units , that we need a scientific metric definition for bentness, that is not degree related, or based on archaic units , preferably in decimals & bits......that is trulying derivative. ...  |
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Post by Motto on Jan 26, 2017 4:38:46 GMT -5
PP'S, by a rule of thumb approximation, something fully bent is a full Bend & something slightly bent is about Quarter bent, anything in between is roughly Half bent, but I depends where the moon is in the constellations, & whether I have Had any spirits to be on the level, but in a prone or sitting position it may look perfectly straight even to those inclined to be sober when judging due to seasonal adjustment,or environmental factors, but I do not want to argue Or fight over definitions, bro's & sissies.
PPPS. & remember , steel bends copper, & copper bends plastic, if it does not crack due to the cold, so to steel , everything is bent to some degree and goes from quarter to half to full like a clock. Then there atomic time & work to do, & not fighting over the unknown equations not based on scientific evidence of degree or decimal & bit of bentness .
So do not presume any thing until measured by the right tool for the job, after all the central heating or air conditioning could go down without the right degree of bentness or straightness, but I have not been to the Orient, perhaps it is different in Tokyo & Kyoto ?
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Post by Deleted on Jan 26, 2017 6:17:21 GMT -5
All comments greatly appreciated. I believe I've found what I desired to know.
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Post by Lady Margaret on Jan 26, 2017 9:15:20 GMT -5
PP'S, by a rule of thumb approximation, something fully bent is a full Bend & something slightly bent is about Quarter bent, anything in between is roughly Half bent, but I depends where the moon is in the constellations, & whether I have Had any spirits to be on the level, but in a prone or sitting position it may look perfectly straight even to those inclined to be sober when judging due to seasonal adjustment,or environmental factors, but I do not want to argue Or fight over definitions, bro's & sissies. PPPS. & remember , steel bends copper, & copper bends plastic, if it does not crack due to the cold, so to steel , everything is bent to some degree and goes from quarter to half to full like a clock. Then there atomic time & work to do, & not fighting over the unknown equations not based on scientific evidence of degree or decimal & bit of bentness . So do not presume any thing until measured by the right tool for the job, after all the central heating or air conditioning could go down without the right degree of bentness or straightness, but I have not been to the Orient, perhaps it is different in Tokyo & Kyoto ?
okay, as someone who sucks at math, my head is pounding now.
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puffadder
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Favorite Pipe: Baki Gourd Calabash
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Post by puffadder on Jan 26, 2017 9:59:55 GMT -5
This part of the reason I smoke Lovats.  |
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