Garrett is also a superb tig welding artist. he has 4 videos on YT explaining in fine detail (and high heat and humidity) on how to do tig art on stainless. As its my particular hobby I like to find all the pro's out there to learn something from them.
Exactly. Or just work metric from the start and use your phone or any calculator! I’m surprised you don’t have 64 cents to the dollar! (Joke) seriously though, if you can count money, you can work metric.🇬🇧 multiply your pipe inch diameter by 25.4 and use mm on a metric tape measure. Then see how easy your calculations are.
Measure your pipe diameter example 50mm x3.14 for strap (circumference) =157mm ➗360 degrees = 0.4361mm per degree. So for 45 degrees, multiply 0.4361 x 45 = 19.625mm around the outside circumference. Hope this helps🇬🇧
It does but the reason he's sticking to inches is that pipe is pretty much always imperial size, even when it's sold as metric. Pipe is still manufactured and sold in 1/8th inch increments, more so with the larger sizes of steel tube. Crazy, but that's where it's at.
@@meangenevstheworld.7773 The constant would be different [.0174"] for a 2" od. pipe and schedule 40 2" OD which is 2.375'... constant is [.0207"] , . In the explanation he shows to multiply the diameter by 3.14 to get the 'strap' circumference , which is 6.2831" according to his math which is correct. . A 2.375'"diameter would be 7.4575" 'strap' circumference . So 20 degrees at .0174 equals .348" for the 2" Outside diameter and 20 degrees on a 2.375" outside diameter Schedule 40 [2"] pipe at .0207 would be .4143" that is a difference .066" which is 1/16' plus .004.... of course these numbers will expand on larger round surfaces. But it all adds up the more degrees you are marking off.... The important thing to remember is always check the diameter of the part and do not rely on someone saying the item is a certain diameter...... Remember, Pipe is measured by inside diameter as that is what is important, the amount of fluid or gas it can transfer.... Tubing is measured by the Outside Diameter.....and wall thickness, as interior dimension does not matter, it is the OD and wall thickness that does.... A 48" shell would most likely be measure as tubing is.....Unless it is what is on the Alaska Pipeline. I hope this helps ......Paul
Great question, pipe diameter is referred to as the OD as that’s the constant, the ID changes as the schedule of pipe changes. But the great thing about this formula is it can be applied to both id and od as it is still a circular dimension 👍🏼
@@theweldinokie8689 It’s probably the closest conversion it can do but is actually 0.686mm out, or 1/37th of an inch. Pretty damn close but if someone started multiplying 3/8 around the circumference they’ll soon be out.
Working with metric is far more accurate and simpler, no problem converting to Inches using a calculator; but when it comes to repair an European car 🫤
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Thanks!!!! That explanation dusted off the math cobwebs in my brain. SEMPER FI
My pleasure 🤙🏼
Very clear explanation - thank you!
Bro, greetings from Spain.
Greetings!!!!
This was awesome, thank you for sharing.
Right on Garrett....good video......cheers from Orlando FL, Paul
Thanks brother 😉
Thanks for the posting..
Garrett is also a superb tig welding artist. he has 4 videos on YT explaining in fine detail (and high heat and humidity) on how to do tig art on stainless. As its my particular hobby I like to find all the pro's out there to learn something from them.
Thanks for what you have showed here.
That’s great information, thanks
Nice Tech Tip! Another way is Radius X (The angle) x the Tangent of 1 (.01745) 🤙🤙😎
Fantastic 💯
@@theweldinokie8689 I have been a fitter for (40) + years! There’s a lot I could help with!
@@RichGT350r do you have an Instagram or social media? I bet u could!
@@theweldinokie8689 Thank You for deleting that for me. Send me an email when you have a minute!
@@RichGT350r absolutely will!
Good explanation. Thanks.
Cant stop laughing seeing you guys keeping converting in inches in and out X'D
Part of being in the US 😂
Exactly. Or just work metric from the start and use your phone or any calculator! I’m surprised you don’t have 64 cents to the dollar! (Joke) seriously though, if you can count money, you can work metric.🇬🇧 multiply your pipe inch diameter by 25.4 and use mm on a metric tape measure. Then see how easy your calculations are.
A lot of it has to do with code and products. And DEATH TO RED COATS (joke)
What does your final answer of 3/8 apply to
how do u calculate 16x6 tee rolling down to 6 inch pile plz notify me I have an idea just wondering
Is 3/8 the outside arc length or inside arc length or neither
Can you do that video in metric.
Thanks from Serbia
great topic for another video!
Measure your pipe diameter example 50mm x3.14 for strap (circumference) =157mm ➗360 degrees = 0.4361mm per degree. So for 45 degrees, multiply 0.4361 x 45 = 19.625mm around the outside circumference. Hope this helps🇬🇧
Not sure how to apply this to welding. Would you give a example please.?
do it still work with metric? then no need to convert back and forth between decimal and fraction ?
It does but the reason he's sticking to inches is that pipe is pretty much always imperial size, even when it's sold as metric. Pipe is still manufactured and sold in 1/8th inch increments, more so with the larger sizes of steel tube. Crazy, but that's where it's at.
more precisely, this is the algorithm for determining the circular arc length for the project.
I thought pipe was measured by in ID, and not the OD? I know 1" such 40 is 1.315" OD....
When finding degrees it doesnt matter.
@@meangenevstheworld.7773 The constant would be different [.0174"] for a 2" od. pipe and schedule 40 2" OD which is 2.375'... constant is [.0207"] , .
In the explanation he shows to multiply the diameter by 3.14 to get the 'strap' circumference , which is 6.2831" according to his math which is correct.
. A 2.375'"diameter would be 7.4575" 'strap' circumference .
So 20 degrees at .0174 equals .348" for the 2" Outside diameter
and 20 degrees on a 2.375" outside diameter Schedule 40 [2"] pipe at .0207 would be .4143"
that is a difference .066" which is 1/16' plus .004....
of course these numbers will expand on larger round surfaces. But it all adds up the more degrees
you are marking off....
The important thing to remember is always check the diameter of the part and do not
rely on someone saying the item is a certain diameter......
Remember,
Pipe is measured by inside diameter as that is what is important, the amount of fluid or gas
it can transfer....
Tubing is measured by the Outside Diameter.....and wall thickness, as interior dimension
does not matter, it is the OD and wall thickness that does....
A 48" shell would most likely be measure as tubing is.....Unless it is what is on the Alaska Pipeline.
I hope this helps ......Paul
Great question, pipe diameter is referred to as the OD as that’s the constant, the ID changes as the schedule of pipe changes. But the great thing about this formula is it can be applied to both id and od as it is still a circular dimension 👍🏼
Now, How to apply this in a pipe bro
pie = 3.1416, not 3.04
about time you started using the metric system in America.You wouldn't have to convert fractions to decimals then.
.348 is not 3/8" 🤔
.375 I bet
Put .348 in your calculator and hit convert to inches let me know what u see 🤘🏼
@@theweldinokie8689 It’s probably the closest conversion it can do but is actually 0.686mm out, or 1/37th of an inch. Pretty damn close but if someone started multiplying 3/8 around the circumference they’ll soon be out.
@@theweldinokie8689 lol its still wrong.
@@theweldinokie8689 use that on large radius and you will be unemployed. Lol
why you yelling?
🤣🤣🤣
So I’m understood 😜
2" pipe is not 2" o.d.
Your right cause it goes from top od to bottom id
Metric is easier 🤣
Working with metric is far more accurate and simpler, no problem converting to Inches using a calculator; but when it comes to repair an European car 🫤