[TowerTalk] Mast size

[Mike]

Thanks Mike -
I have the dimensions, just trying to verify that what I think I have is 
what I really have. From the ground.
73, Mike too

Mike & Becca Krzystyniak wrote:
> This site has the breakdown of tube dimensions for the 25AG1, 25AG2, and
> 25AG3....  and a few other 25G tops...
>
> http://www.3starinc.com/rohn_25g_top_cap_tower_section_r-25ag.html
>
> Mike K9MK
>
>
>
> -----Original Message-----
> From: towertalk-bounces at contesting.com
> [mailto:towertalk-bounces at contesting.com] On Behalf Of Mike
> Sent: Friday, July 17, 2009 9:47 AM
> To: Mike Schelly
> Cc: towertalk reflector
> Subject: Re: [TowerTalk] Mast size
>
> Thanks Mike. It did indeed have a bushing, long gone.
> 1.5" water pipe is 1.9" OD. I really need to replace the water pipe with 
> tubing, so I was trying to verify that my top section isn't gonna work 
> for that.
>
> 73 Mike NF4L
>
> Mike Schelly wrote:
>   
>> Mike,
>>
>> Some Rohn 25AG top sections came with a knockout bushing at the very top
>>     
> to
>   
>> accommodate 1.5" water pipe when the CB craze was going on in the 70's.
>> There were also a lot of 25G knockoff's manufactured across the
>> country...here in Memphis
>> most assuredly, the local fabricator shipped nationwide during that time
>> period. 
>> Look for a reducer bushing and remove it. Hope this helps.
>>
>> Mike K4EAR 
>>
>> -----Original Message-----
>> From: towertalk-bounces at contesting.com
>> [mailto:towertalk-bounces at contesting.com] On Behalf Of Mike
>> Sent: Thursday, July 16, 2009 6:11 PM
>> To: towertalk reflector
>> Subject: Re: [TowerTalk] Mast size
>>
>> Nah. I don't climb.
>> IF the section is 25AG, the catalog says 2" OD with 16 ga. walls. 16 ga. 
>> is .0598" x 2 = .1196. 2-.1196 = 1.8804. The galvanizing takes up a couple
>> of atoms thickness.
>>
>> Doesn't leave much.
>>
>> Mike
>>
>> Pete Smith wrote:
>>   
>>     
>>> My catalog is ancient - mid 90s.  So you've measured the tube?
>>>
>>> Pete
>>>
>>> On 7/16/2009 4:11 PM, Mike wrote:
>>>     
>>>       
>>>> Hey Pete -
>>>> True, but I don't think it's either of those. The tube doesn't extend 
>>>> down as far as the AG2, and the AG3 has the extra brace about 1/3 of 
>>>> the way up the slanty part.
>>>> Page 29 in my catalog(2004 revised). Where'd you see the part about 
>>>> the 2" mast?
>>>>
>>>> 73. Mike NF4L
>>>>
>>>> Pete Smith wrote:
>>>>       
>>>>         
>>>>> From my Rohn catalog, both the 25AG2 and 25AG3 have 2 1/4" OD tubes.  
>>>>> The catalog says a 2" OD tube will fit snugly.
>>>>>
>>>>> 73, Pete
>>>>>
>>>>> On 7/16/2009 1:14 PM, Mike wrote:
>>>>>         
>>>>>           
>>>>>> Would somebody look at the pic at http://nf4l.com/top.htm and 
>>>>>> verify that's a 25AG section?
>>>>>>
>>>>>> I'm needing to replace the water pipe mast with something stronger 
>>>>>> because I want to put a 6M yagi over the SteppIR.
>>>>>>
>>>>>> I work out the ID of the tube on the 25AG to be 1.88" (not 
>>>>>> accounting for the galvanizing). Seems like the OD of the steel 
>>>>>> tubing I see advertised is 1.9"
>>>>>>
>>>>>> What can I use, and where can I get it? I need 12-15 total length'
>>>>>>
>>>>>> 73, Mike NF4L
>>>>>> _______________________________________________
>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> TowerTalk mailing list
>>>>>> TowerTalk at contesting.com
>>>>>> http://lists.contesting.com/mailman/listinfo/towertalk
>>>>>>
>>>>>>           
>>>>>>             
>>>>       
>>>>         
>> _______________________________________________
>>
>>
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk at contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>> Checked by AVG - www.avg.com
>> Version: 8.5.387 / Virus Database: 270.13.17/2242 - Release Date: 07/16/09
>> 18:00:00
>>
>>
>>   
>>     
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
>