[TowerTalk] post in concrete ??

[Roger (K8RI)]

Roger (K8RI) wrote:
> Paul Young wrote:
>   
>> Hi all,
>>        I just got myself a 2nd hand 40ft tilt over tower.
>> The base is post mount, and I need to set it into a 3ft SQ
>> block of concrete. I don't have a sleeve to go over the 
>> 6 inch box section that needs to go into the ground and
>> was wondering if I covered it with 1 thick layer of a 
>>   
>>     
> <snip>
> As an alternative, how about a pipe, or tube (Culvert section?) 
> *slightly* larger than the post?  Pour the concrete around that, put the 
> post into the pipe and pour sand into the area between the post and 
>   
BTW:  That sand should be clean and pure. Not something dug up out of 
the back yard. (Unless it's an unusual back yard)<:-))

73 again,

Roger (K8RI)
> pipe.  Of course the pipe and post overlap would need to be long enough 
> to provide  the required support.  The pipe and sand can provide a very 
> rigid mount when done properly and IF allowed in your area.  This has 
> been a preferred method of mounting small to medium size telescopes 
> which are sensitive to vibration and where even a light wind can cause 
> noticeable movement.
>   
<snip>