Is the need for 1/4” tubing for 40 meter verticals?
I cannot imagine making a 40m vertical or any other HF vertical or half
wavelength element that would have anything smaller than 3/8” tubing at the tip.
Stan, K5GO
Sent from my iPhone
> On Jan 3, 2026, at 8:02 PM, Joe <nss@mwt.net> wrote:
>
> I wasn't worried about stiffness.
> It is the telescoping to the 1/8" rod. the 0.049, it was pretty tough to get
> a good grip to lock the rod in place too much slop.
>
> Joe WB9SBD
>
>> On 1/2/2026 11:54 PM, K9MA wrote:
>>> On 1/2/2026 7:30 PM, Zack Widup wrote:
>>> That's where I have been buying aluminum tubing. They don't have 0.058"
>>> wall thickness in 1/4" diameter tubing, but the closest they have for that
>>> diameter is 0.049", which I suspect will work.
>> You don't get a whole lot of extra stiffness by going from a .049 to .058
>> inch wall thickness in tubing this small.
>>
>> 73,
>> Scott K9MA
>>
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