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#1
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When I first purchased this instrument, it came with a small
connection box that connected the instrument wiring together. However, I didn't like the box since the wires are so small and the whole set up seemed very fiddly and time consuming when it came time to step the mast. This season, I bought a small $12 5-pin male and female connector and soldered the wires. Now I'm finding that wires don't stay connected very well since the connector is quite small and the amount of solder I can apply is minimal. I'm thinking I need a connector that has a push fit wire insertion method instead of solder. I spoke with CMC Electronics, the Ontario Raymarine service facility, and they have a PNP off-shore connector for about $35., which seems somewhat pricey. Does anyone have any experience with another solution. Cheers Theo |
#2
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On Sun, 10 Jul 2005 11:52:27 -0400, Theo Weber wrote:
When I first purchased this instrument, it came with a small connection box that connected the instrument wiring together. However, I didn't like the box since the wires are so small and the whole set up seemed very fiddly and time consuming when it came time to step the mast. This season, I bought a small $12 5-pin male and female connector and soldered the wires. Now I'm finding that wires don't stay connected very well since the connector is quite small and the amount of solder I can apply is minimal. I'm thinking I need a connector that has a push fit wire insertion method instead of solder. I spoke with CMC Electronics, the Ontario Raymarine service facility, and they have a PNP off-shore connector for about $35., which seems somewhat pricey. Does anyone have any experience with another solution. Cheers Theo My Raytheon wind did not come with any connection box. I cut the cable beneath the mast (inside the cabin) and joined it using a connector strip - the cheap hardware ones that you screw the wire to. The wires were tinned, the whole thing secured from the weather in a air-tight electronics box. Have had no problems whatsoever. For the Raytheon radar, did the same thing, only longer strip and larger box. I cut wires across the cable at an angle so that unsheiled area would not be too long. |
#3
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Peter Hendra wrote:
On Sun, 10 Jul 2005 11:52:27 -0400, Theo Weber wrote: When I first purchased this instrument, it came with a small connection box that connected the instrument wiring together. However, I didn't like the box since the wires are so small and the whole set up seemed very fiddly and time consuming when it came time to step the mast. This season, I bought a small $12 5-pin male and female connector and soldered the wires. Now I'm finding that wires don't stay connected very well since the connector is quite small and the amount of solder I can apply is minimal. I'm thinking I need a connector that has a push fit wire insertion method instead of solder. I spoke with CMC Electronics, the Ontario Raymarine service facility, and they have a PNP off-shore connector for about $35., which seems somewhat pricey. Does anyone have any experience with another solution. Cheers Theo My Raytheon wind did not come with any connection box. I cut the cable beneath the mast (inside the cabin) and joined it using a connector strip - the cheap hardware ones that you screw the wire to. The wires were tinned, the whole thing secured from the weather in a air-tight electronics box. Have had no problems whatsoever. For the Raytheon radar, did the same thing, only longer strip and larger box. I cut wires across the cable at an angle so that unsheiled area would not be too long. If you use any soldered connector YOU MUST HAVE A STRAIN RELEAF GRIPPING THE CABLE JACKET or you cannot expect the solder joints to stay connected. If the joint doesn't fail, the wire will break just beyond the solder. Also more solder usually results in a weaker joint. How thick are the ST60 wires? (I've only worked on ST 40&50 stuff) If they are a similar thickness to the wires in a PC network cable, I'd be tempted to crimp on a RJ45 connector. OTOH a properly soldered connector should be more reliable. Whatever you do, the connector should be sized to let you put it through the deck gland so it can stay dry and you should have a drip loop between the gland and the connector to keep any small seepage away from the terminals. -- Ian Malcolm. London, ENGLAND. (NEWSGROUP REPLY PREFERRED) ianm[at]the[dash]malcolms[dot]freeserve[dot]co[dot]uk [at]=@, [dash]=- & [dot]=. *Warning* HTML & 32K emails -- NUL: 'Stingo' Albacore #1554 - 15' Early 60's, Uffa Fox designed, All varnished hot moulded wooden racing dinghy. |
#4
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Ian Malcolm wrote:
On Sun, 10 Jul 2005 11:52:27 -0400, Theo Weber wrote: When I first purchased this instrument, it came with a small connection box that connected the instrument wiring together. However, I didn't like the box since the wires are so small and the whole set up seemed very fiddly and time consuming when it came time to step the mast. This season, I bought a small $12 5-pin male and female connector and soldered the wires. Now I'm finding that wires don't stay connected very well since the connector is quite small and the amount of solder I can apply is minimal. I'm thinking I need a connector that has a push fit wire insertion method instead of solder. I spoke with CMC Electronics, the Ontario Raymarine service facility, and they have a PNP off-shore connector for about $35., which seems somewhat pricey. Does anyone have any experience with another solution. Cheers Theo How thick are the ST60 wires? (I've only worked on ST 40&50 stuff) If they are a similar thickness to the wires in a PC network cable, I'd be tempted to crimp on a RJ45 connector. OTOH a properly soldered connector should be more reliable. The ST-60 cable contains wires that are too thick to crimp on an RJ-45, so what I did was I soldered the ST-60 cable onto a short ethernet cable, then used a RJ-45 to RJ-45 connector block to connect them up. Works beautifully. Gold plated contacts mean no issues with corrosion (theoretically, and practically as well so far, after four years). Regards, Kees |
#5
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Peter Hendra wrote:
On Sun, 10 Jul 2005 11:52:27 -0400, Theo Weber wrote: When I first purchased this instrument, it came with a small connection box that connected the instrument wiring together. However, I didn't like the box since the wires are so small and the whole set up seemed very fiddly and time consuming when it came time to step the mast. This season, I bought a small $12 5-pin male and female connector and soldered the wires. Now I'm finding that wires don't stay connected very well since the connector is quite small and the amount of solder I can apply is minimal. I'm thinking I need a connector that has a push fit wire insertion method instead of solder. I spoke with CMC Electronics, the Ontario Raymarine service facility, and they have a PNP off-shore connector for about $35., which seems somewhat pricey. Does anyone have any experience with another solution. Cheers Theo My Raytheon wind did not come with any connection box. I cut the cable beneath the mast (inside the cabin) and joined it using a connector strip - the cheap hardware ones that you screw the wire to. The wires were tinned, the whole thing secured from the weather in a air-tight electronics box. Have had no problems whatsoever. For the Raytheon radar, did the same thing, only longer strip and larger box. I cut wires across the cable at an angle so that unsheiled area would not be too long. I do the same, but use a film canister, Kodak or Fuji or any other. By drilling each end of this plastic box ((one end plus the lid) making it a very tight fit for the sheath of the multicore cable, I can create a watertight box by simply taping the lid on. Push the 2 ends of the cable thru the holes, knot the cables to prevent pulling out, make your joins, then put the lid on and seal, it's as simple as that |
#6
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Dennis Pogson wrote:
Peter Hendra wrote: On Sun, 10 Jul 2005 11:52:27 -0400, Theo Weber wrote: When I first purchased this instrument, it came with a small connection box that connected the instrument wiring together. However, I didn't like the box since the wires are so small and the whole set up seemed very fiddly and time consuming when it came time to step the mast. This season, I bought a small $12 5-pin male and female connector and soldered the wires. Now I'm finding that wires don't stay connected very well since the connector is quite small and the amount of solder I can apply is minimal. I'm thinking I need a connector that has a push fit wire insertion method instead of solder. I spoke with CMC Electronics, the Ontario Raymarine service facility, and they have a PNP off-shore connector for about $35., which seems somewhat pricey. Does anyone have any experience with another solution. Cheers Theo My Raytheon wind did not come with any connection box. I cut the cable beneath the mast (inside the cabin) and joined it using a connector strip - the cheap hardware ones that you screw the wire to. The wires were tinned, the whole thing secured from the weather in a air-tight electronics box. Have had no problems whatsoever. For the Raytheon radar, did the same thing, only longer strip and larger box. I cut wires across the cable at an angle so that unsheiled area would not be too long. I do the same, but use a film canister, Kodak or Fuji or any other. By drilling each end of this plastic box ((one end plus the lid) making it a very tight fit for the sheath of the multicore cable, I can create a watertight box by simply taping the lid on. Push the 2 ends of the cable thru the holes, knot the cables to prevent pulling out, make your joins, then put the lid on and seal, it's as simple as that BTW, save those film canisters, they are rapidly becoming an endangered species with the advent of digital photography! |
#7
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Thank you very much for this Gentlemen,
You can have no idea how good it is to be able to zap off a question to a newsgroup such as this and obtain advice and experience from all over. When you Have been in isolated areas and do not have access - often when you really need it, you really appreciate the times when you have done. I am currently working as an IT Project Manager implementing improvements to an existing 3G mobile network. I think I am going to miss the technology when I go to sea again - still it is nice to be at sea away from so called civilisation. |
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