Mike,
FYI, newly poured concrete for foundations reaches 70% of its maximum
compressive strength in 7 days.
It is considered fully cured in 28 days.
Bob
K6UJ
concrete is for building foundations , floor slab and streets, newly poured
concrete is considered fully cured in 28 days.Maximum compressive stremgth of
60,000 psi would be attained.
On Nov 30, 2013, at 8:32 AM, Mike Reublin NF4L wrote:
> Thanks Ed.
>
> Mike NF4L
> On Nov 30, 2013, at 11:13 AM, Edward <navydude1962@yahoo.com> wrote:
>
>> It's a good tower. No limit switch. Gravity not positive pull down. Cure
>> for 30 days and don't ground your rebar.
>>
>> For antenna mounts fabricate a cross arm and mount above second section.
>> Works great.
>>
>> Good luck. Great tower. Have had mine for many years.
>>
>> Ed NI6S
>>
>> Sent from my iPhone
>>
>>> On Nov 30, 2013, at 18:38, Mike Reublin NF4L <nf4l@comcast.net> wrote:
>>>
>>> I plan to put up a motorized HG-70 HD, with a 4 element SteppIR and a 7
>>> element M2 6M beam.
>>>
>>> Hy-Gain says 1 week for foundation curing, UST says 4 weeks. What's
>>> realistic?
>>>
>>> My current guyed tower has a side-mounted G-7 and a couple of vhf
>>> verticals. How best to mount those on the crank-up? I was thinking of
>>> hanging the G-7 upside down.
>>>
>>> Does this tower have latches, or is the weight on the cables when extended?
>>>
>>> What about limit switches or stops?
>>>
>>> I'd like to carry over my 80 and 160M 1/4 wave slopers. Is that too much
>>> stress? What about ground continuity top to bottom?
>>>
>>> Does the concrete/rebar cage make a Ufer ground? Do I need ground rods in
>>> addition?
>>>
>>> 73, Mike NF4L
>>> _______________________________________________
>>>
>>>
>>>
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