[Boatanchors] Question

[Gary Pewitt]

Dan, what's the advantage of using -lawn mower- spark plugs rather 
than automotive spark plugs?  I intend to do more or less what you 
have described for my balanced lines.   Thanks and 73  Gary  N9ZSV




At 05:43 PM 8/4/2008, K0DAN wrote:
>Hole thru the wall (or if the hamshack is in the basement have 
>foundation core-drilled). Cover hole with a NEMA box (or similar); 
>the NEMA box is suitable for external ground point, addition of 
>terminal strips for rotor control, add Polyphasers, etc. Terminate 
>the coax inside the NEMA box, then add jumpers as needed to run into 
>shack. This way you can switch antennas/rigs, change connector 
>types/genders, etc.
>
>Balanced line can also exit the building thru this box by using a 
>pair of coax cables as a short run of balanced line. Once outside 
>the building, mount a pair of standoffs on the NEMA box, and connect 
>the two coax lines to the standoffs. I you want to get really fancy, 
>use a pair of lawn mower sparkplugs as the standoffs, they will also 
>act as spark gap lightning suppressors if you ground the box.
>
>Not as fast & easy as Mike's approach, but keeps the XYL happy 
>(cosmetics) and is quite flexible for when you make changes to the 
>shack, rigs, anetnna farm.
>
>73
>Dan
>K0DAN
>
>----- Original Message ----- From: "Mike WE0H" <we0h at yahoo.com>
>To: <boatanchors at mailman.qth.net>
>Sent: Monday, August 04, 2008 3:41 PM
>Subject: Re: [Boatanchors] Question
>
>
>>I drill holes through the wall and run all feedlines that way. Fast 
>>& easy :-)
>>A bit of caulking seals up a hole if I decide I don't want that run anymore.
>>
>>Mike
>>WE0H
>>
>>
>>Don said:
>>>hey heres my idea
>>>  cut a piece of plexaglass large enuff to put in window, now wait 
>>> a minute more to come . Cut the holes large enufff to let the coax
>>>and hardline tru now cover the plastic with a slab of innertube 
>>>from a car cut to proper
>>>size , just poke a pencil size hole in each opening over the plastic
>>>  now slide, with a little lube, the coax thru the holes  to the proper
>>>length you want . after all hooked up pull back on coax alittle 
>>>from outside  and rubber
>>>will pucker out side and make
>>>  a good seal.
>>>  there you are no connectors to have line loss and a good weather seal ,
>>>did I mention
>>>close the window over the plastic and put foam at top between the two
>>>panes .
>>>
>>>Don K8OMO at it since 1959
>>_______________________________________________
>
>_______________________________________________

Gary Pewitt  N9ZSV   garypewitt at centurytel.net  479 675 4376
1500 French Prairie Rd. Booneville, Arkansas  72927
Sturgeon's Law "Ninety percent of everything is crap."
Pewitt's Law: But it's that other 10% that makes life worth living."