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  1. mcarthur

    Bilge pumps with digital switching

    Wiring a bilge pump with separate water-detection switch is relatively straightforward: +ve wire from unswitched to water-detection switch, water detection switch to pump (aka "auto") +ve wire from switched panel to off/on manual bilge switch, then straight down to pump (aka "manual") ie. 2x...
  2. mcarthur

    Sounding from tender - handheld?

    What do people use to sound when using the tender to investigate possible entrances/access? We've a 1.1m/3+' draft, so talking areas already less than 3m deep. piece of string piece of string + weight piece of string + lead (to see what the bottom is - though if it's deep enough I can't see...
  3. mcarthur

    Radar, AIS to fly, then to main cabin?

    We have a flybridge with autopilot and MFD, and a main cabin with same. Currently everything comes inside and terminates at the dashboard: MFD, AIS, VHF, wind indicator, etc. I was thinking that instead of sending the radar connection, and AIS (and VHF), and wind data down to the main cabin, and...
  4. mcarthur

    Jog or remote?

    We have a modern raymarine AP, and inside + fly hydraulic steering positions. It feels like the wireless remote S100 could function quite similarly to a jog lever (FU or NFU), with the advantage of wireless. Since its probably an either/or, which would people go with: jog lever or s100, noting...
  5. mcarthur

    Common negative bus bar different voltages?

    One of the YT channels showed a DC solution wherein the 48V and 12V negatives all went to the same negative bus bar (positive bus bars were separate). Now I’m far from an electrical savvy person, but it confused the heck out of me - do they connect the negative bus bar to both the neg end of the...
  6. mcarthur

    Hydraulic flybridge steering wheel not turning...

    We have hydraulic steering with upper and lower positions. Lower steering is fine - wheel turns, rudders turn :thumb:, nothing obviously wrong. At the upper steering though, wheel doesn't budge at all - locked solid. The lower steering has a fluid check/fill just behind the wheel itself, and it...
  7. mcarthur

    move to electronic controls - steering and engine

    With a longish vessel (50'), and internal and flybridge helms, AND twin engines in separate hulls, there's quite a few cables going everywhere. As we are redoing the electrical system, we are thinking of going to electrical controls for steering (currently hydraulic to twin rudder linkage) and...
  8. mcarthur

    Lithium and cca

    I can buy a relatively small starter lithium battery that can put out enough CCA to start a 6 litre diesel engine. One the issues moving to house lithium (say LiFePO4) is that the chemistry is completely different, so ACR's shouldn't be used. We are moving to lithium for house. Is there any...
  9. mcarthur

    Perkins workshop manuals?

    I've found this site - foley - that advertises Perkins workshop manuals for my motors (Perkins M135 1000 series YA). Note these aren't the installation manuals or users handbook (both of which I have). The price is high though at US$115. Has anyone used the site or bought from them before?
  10. mcarthur

    Almost downunder... nearby storage?

    Has anyone had experience in keeping a boat in Indonesia/Malaysia/Singapore? We're bringing a boat back towards Oz and are yet to decide whether to import and pay the 10% + 5%, or leave her nearby for the next few years. She's a narrow 4.9m wide, 15m long, 16t power cat if that helps, so can...
  11. mcarthur

    Teaching skipper for Atlantic crossing

    So you missed out on the 2004 Norhaven transat? And the 2014? And you don’t want to take your boat - but you have the experience and skills and could go if you had the boat? Read on... :thumb: We have our new-to-us 50’ power cat in the Caribbean and have been planning a transat direct to...
  12. mcarthur

    Caribbean to Europe - power route vs sail?

    We're planning our move from the Caribbean to Europe. Most of the research (Cornell etc.) are for routes in which the wind is steady and either abeam or astern. But for a power vessel, the routes through high pressure areas with little wind at all seem at first glance to be better - less fuel...
  13. mcarthur

    Catamaran or multihull trawlers

    I have started a "social group" for multihull trawlers on TF. There doesn't seem to be a place for them otherwise as there probably isn't enough in each major manufacturer for them to have separate forums, and many of the boats are one-off's or nearly so. Multihulls have their differences to...
  14. mcarthur

    Perkins 135 continuous rpm?

    I've been looking to find the continuous rating of the M135 (not the M130, although I'm only assuming there's a difference - I don't know what it would be). I have a 1006-6 model: dieselparts shows the maximum torque of 431N at 1200rpm, yet the power numbers start at 79.8hp at 1500rpm. Can...
  15. mcarthur

    Yanmar v Cummins v ...

    We have an under-powered power cat that we're thinking of re-powering: taking out the 2x Perkins 135hp that weigh 600kg each even without gearbox, and replacing with 2x 300hp or so slightly more modern diesels. We don't want common rail, as we'll often be in places where local fixing (or...
  16. mcarthur

    Diesel prepurchase check in Sint Maarten, Caribbean?

    Hi, we’re looking at a boat in the Caribbean. She has old 135hp Perkins with 3000hrs. Does anyone know of a reputable diesel person in the area who could do a check, including oil analysis probably, before we buy? Thanks!
  17. mcarthur

    Sailing cruising routes vs motoring routes

    I've done a little coastal sailing, but no ocean work. But I know that the world sailing routes are well known and, for the most part, are there to make the best use of wind and tides. But now I'm looking at moving to the dark side :rolleyes: and buying a power catamaran/trawler. What's the go...
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