[quote=MN3][quote]I found these cracks on the starboard hull at the center beam. Do I just sand and fill or are there bigger problems here I need to address?[/quote]
IMHO: These are in a bad location (lots of compression and stress) and should be reenforced - so sand and fill is not enough
you should grind out these cracks, use epoxy with a structural filler (mill fiber, or similar) and use glass cloth for additional strength
[quote]1) deck plates for storage and maintenance. How big is too big? styles and recommendations?[/quote]
I assume you mean hatches - 5.0 g-cats typically use 4"
[quote=dreaminbohemian]
2b) If I do the first two I am going to put a fair amount of power onboard so I can have a trolling motor to get us back to dock at night. How far fore or aft should the batteries go, I am assuming I need to split my banks between hulls, or am I overthinking for the small amount of weight they will be.[/quote]
the deep cell batteries you will need for a trolling motor and running lights is gonna be substantial enough for you to work out the optimal location
batteries (weight) should be as close to the CE (center of effort) as possible this is typically a foot or 2 from the mast (aft) but with the front tramp on a g-cat / if you have ANY weight up there it will change your CE location
I used to sail with a h21 that had all sorts of powered items (lights above and below the waterline, speakers in the mast spreaders, blender etc) - he had 2 deep cycle marine batteries epoxied into his hulls via large hatches (epoxied so they couldn't shoot through a hull in a capsize/ these things must be very secure - they could kill you in multiple ways).
I am not sure what to recommend to you but keep in mind that these batteries are heavy and expensive and adding any type of motor may change your boat requirements (actual running lights per coast gaurd requirements)[/quote]
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