Actually, if the brown rust is coming from between the strands it can indicate a serious problem with the rigging IIRC. Stainless steel is just that... stain less...not stain free... and it will rust, especially if it is either deprived of oxygen or exposed to certain chemicals.
If the rigging is swaged, then I would definitely want to closely inspect the lower swages as they are the ones that tend to fail first.
Re-doing the running rigging isn't much of a problem...just a pain in the butt.
Major differences between CNG, which is primarily methane, and Propane is that CNG is lighter than air, and doesn't require the same ventilation of the gas locker that Propane does. Also, the pressure that the gas is used at is different, as is the volume used. Propane has a much higher energy density IIRC.
Why do you want a power winch?? It might make more sense to get a manual winch that is large enough to handle whatever it is that you want. The installation of an electric winch requires you to run electrical wiring, and to make fairly large holes in the deck to accommodate the winch motor.
As for heaters... it would be best to get a heater that uses one of the fuels you already have aboard...either propane, since you'll be converting the galley to propane, or diesel. They have about the same energy density as heating fuels go. Personally, I would go with a diesel heater, rather than a propane one.
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.
—Cpt. Mal Reynolds, Serenity (edited)
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