Sorry ... typo. The thinner stuff is about .050
Dave AB7E
On 7/29/2010 10:35 PM, David Gilbert wrote:
> I bought some 3 inch and 4 inch irrigation tubing from a company called
> Rain-for-Rent, which is a large irrigation supply company with outlets
> across the U.S. The stuff I bought was .072 if I remember correctly,
> but they also sell a thinner version that's around .070. It worked fine
> as a 50 foot guyed mast to hold up some wire dipoles, but the material
> is pretty soft and it definitely is not even close to 6061-T6.
>
> 73,
> Dave AB7E
>
>
>
> On 7/29/2010 8:28 PM, Roger (K8RI) wrote:
>
>> On 7/29/2010 11:20 PM, Wilson Lamb wrote:
>>
>>
>>> I have seen some surplus irrigation pipe very cheap. I think the 3" is
>>> about 0.06 wall and there may be a heavier one, maybe 0.09.
>>>
>>>
>>>
>> It sounds a bit light to me. I use 0.120, 0.125. and even 0.188 wall
>> for typical booms. BUT it depends on both how long a boom and what you
>> are going to hand on to it. I don't know what alloy they use for
>> irrigation tubing, but structural is typically 6061-T6.
>> 0.120 is not all that common except in 6' and maybe 12' lengths. It's
>> nice as the consecutive sizes will telescope together without binding.
>>
>> I have seen a number of articles on using irrigation tubing for
>> verticals. I don't recall any for Yagi construction.
>>
>> 73
>>
>> Roger(K8RI)
>>
>>
>>> I have no idea if this would be strong enough, but it's certainly nice
>>> material!
>>> Wilson
>>> W4BOH
>>>
>>> _______________________________________________
>>>
>>>
>>>
>>> _______________________________________________
>>> TowerTalk mailing list
>>> TowerTalk@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/towertalk
>>>
>>>
>>>
>> _______________________________________________
>>
>>
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>>
>>
>>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
>
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|