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Old 18 November 2010, 16:00   #11
Country: UK - Channel Islands
Town: Jersey
Boat name: Archangel
Make: Ribcraft
Length: 6m +
Engine: ETec 225
MMSI: 235063789
Join Date: Sep 2008
Posts: 1,005
I've had my three-element Steppir up for over four years now and I've had no problems. The approach I've used (and on my boat too) is to cover the plug completely in Sikaflex so you can't see any metal. Spread it around where the plug meets the appliance as well. It makes the best seal although it does mean it's hard to get the plug off at a later date.

I've used grease in the past and that works too but it can be eroded by heavy rain and hail. Tape of any description will fail after a while. Exposed connections are a big problem in the Ham world. You may find to be of use for enquiries of this nature.

And before anyone asks, yes it goes up higher (40ft), yes it annoys the neighbours, and yes I have planning permission.
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Old 18 November 2010, 16:08   #12
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Erin's Avatar
Country: UK - Channel Islands
Town: A large rock
Boat name: La Frette
Make: Osprey Vipermax
Length: 6m +
Engine: 200 Suzzy
Join Date: May 2004
Posts: 2,833
Bet you could get a lot of washing dried on that too
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Old 18 November 2010, 17:29   #13
Country: Other
Town: Stanley, Falkland Is
Boat name: Seawolf
Make: Osprey Vipermax 5.8
Length: 5m +
Engine: Etec 150
Join Date: Mar 2006
Posts: 3,704
My father used to build his own VHF ham radio aerials in the days before telephones were invented here. What he used to do was cut holes in a plastic lid (about something the size of a large aerosol can lid) and make the solder connections from the elements to the coax inside the lid. Then when ready he would fill up the lid with isopon P40 - wait until set - end result was very strong and totally waterproof

Of course if you isopon'ed the aerial into the back of a radio you'd never get it off again but it wouldn't leak
A Boat is a hole in the water, surrounded by fibreglass, into which you throw money...

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Old 19 November 2010, 01:34   #14
Country: UK - England
Town: York
Boat name: Sugar Free
Make: Tornado
Length: 5m +
Engine: Yam 115
Join Date: Sep 2009
Posts: 119
Our Club RIB has a rubber cup that is RG58 thick at one end and PL259 thick at the other. It covers the plug and socket and a small length of cable. It fits very snuggly and can make removing and replacing the plug a little difficult. You obviously have to fit the thing first. Although probably not water proof it is splash resistant.

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Old 22 November 2010, 12:30   #15
lockieboi's Avatar
Country: UK - England
Town: kent
Boat name: SIBotage
Make: Prowave
Length: 3m +
Engine: 15hp Johnson 2 smoke
Join Date: Sep 2010
Posts: 435
Self amalgamating tape will do the job just fine. If you wanna be safe replace the tape yearly. Or get a IP65 rated junction box if you can mount it somewhere and then do the connection in the JB.
Hope this helps.

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