[TowerTalk] C31XR question

[Bob K6UJ]

Syl,

How much mast is available above the C31 ?  Could you slide it up higher 
on the mast ?

Here's what I would do first.  Make a sketch of the side view of the 
C31XR to scale, something easy to
work with like 1/4" equals 1 foot.  Show the elements mounted on the 
boom and the mast mounting point.
Then make another sketch of just the top of the tower with the mast 
coming out the top.  Make sure the tower
top plate and the mast projection are also at 1/4" equals 1 foot scale.  
Lastly take scissors and cut around the
scale drawing of the C31 boom and position it on the tower top drawing.  
Rotate it down until you see the
point where it hits the tower top plate.  Measure out from the tower how 
far the 20/15 driven el connection
point is (1/4" equals 1 foot)   Then you can see if you can reach out 
far enough.  If I was at the office I could
do this using a computer with AutoCad, but it is an easy layout to do on 
paper.

Bob
K6UJ




On 5/27/16 6:43 PM, VE5ZX wrote:
> Bob - K6UJ - and Tom - N2SR (off reflector response),
>
> Thanks for the suggestions
>
> I do have an Easy-on Mount but I have not used it. I wasn't sure if it 
> would be safe to rotate the boom to get the elements vertical and then 
> tilt the antenna using the Easy-on mount. BTW - the balun I am using 
> is a EB-2.
>
> The C31XR is mounted close to the top of the tower.   The tower has 4 
> guy lines. Rotating the boom might make it easier to get to the 15 & 
> 20m driven without dropping a guy line.
>
> The bottom of the Easy-on Mount plate that is attached to the mast is 
> about 6" above the top of the tower plate. I am worried that I won't 
> be able to tilt the boom down far enough to reach the 20/15 driven 
> from the tower before the boom hits the plate at the top of the tower.
>
> Have either of you (or anyone else) tilted a C31XR boom mounted close 
> to the top of a tower?
>
> tnx - Syl - VE5ZX
>
>
> On 27/05/2016 12:36 PM, Bob K6UJ wrote:
>> Syl,
>>
>> The C31XR has Force 12's Magnum Easy On mount.
>> You can leave the boom attached to the mount and rotate the boom down 
>> to where you can
>> reach the connectors, then rotate it back in place and secure.
>> Take a look at the Easy On mount in the manual.  The plate against 
>> the mast with 2 u bolts on top and bottom
>> stays intact.  Leave these u bolts alone.  Remove temporarily all but 
>> one of the bolts securing the outer plate
>> to the mast plate, loosen the remaining bolt slightly and rotate the 
>> boom.
>>
>> Bob
>> K6UJ
>>
>>
>>
>> On 5/27/16 9:46 AM, VE5ZX wrote:
>>> I am feeding an C31XR with separate coaxes on each band. I have 
>>> faulty coaxes on 20 & 15 that I need to replace.
>>>
>>> Does any know if there way to access the coax connectors on the 20m 
>>> & 15m baluns that are taped to the boom near each driven element 
>>> from the tower so I can change the coaxes?
>>>
>>> The 15m driven is about 70 inches from the tower and the 20m about 
>>> 56 inches .
>>>
>>> Tnx - Syl - VE5ZX
>>>
>>> _______________________________________________
>>>
>>>
>>>
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>>
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