[TowerTalk] Increasing the Inside diameter of a 1 inch outside diameter Alum pipe.

Richard Karlquist richard at karlquist.com
Wed Aug 31 18:49:00 EDT 2022


I'm not sure why you had trouble with 1" into SCH 40 1 1/4". 

That is a piece of cake with PVC, and it has also worked for me in
galvanized. 

YMMV.

---
Rick Karlquist
N6RK 

On 2022-08-31 13:56, Grant Saviers wrote:

>> Some pipe trivia:
>> 
>> Any Schedule of 1" trade size has O.D. of 1.315"
>> 
>> Sch 40 1 1/4" trade size has I.D. of 1.380"
>> 
>> Yes, there is one *almost* fit of ham interest (1 to 1-1/4 sch40), IF the pipe is round and the weld seam inside is small.   I've done the boring bar and od turning make them fit, but sure don't like doing on the dirty crap steel of welded  pipe.  6063 pipe is a less PITA.
>> 
>> Grant KZ1W
>> 
>> On 8/31/2022 09:48, Richard Karlquist wrote:


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