Don't forget that strengthening the mast so it won't bend means that force is
now presented elsewhere, i.e., on the tower itself. Make sure the tower can
handle it.
Chris
KF7P
On Apr 16, 2013, at 12:44 PM, Grant Saviers wrote:
> Sleeving works, UST sells 20' x 2" x 1/8 wall steel masts with the lower 10'
> sleeved to 1/4". With a 2.5" od (what is "thick wall" and what is the alloy
> and temper?) you potentially have a very strong mast. What is the load?
> Try one of the mast calculators before sleeving. (ARRL, K7LXC) or free by
> WD6P
> http://www.math.niu.edu/KARC/mast/
>
> Grant KZ1W
>
>
> On 4/16/2013 8:31 AM, GW4BLE wrote:
>> I have a question concerning 'sleeving' (can't think of a better way to
>> describe it) - I have a 16' x 2.5" OD thick-wall aluminium tube that will
>> be used as a stub mast, would inserting 6' x 2" OD thick-wall aluminium
>> tube into the bottom of the tube add to its' 'strength' in any way or would
>> it just add unnecessary weight?
>> Sliding it in makes quite a snug fit, but not exactly 'tight'
>>
>> Steve
>> GW4BLE
>>
>> Sent from my iPhone 4S
>>
>>
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