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Topics - David Discenza

Our 1993 C 34 has been declared a total loss by the insurance company and I am selling several items off of her. I live in Westbury, Long Island. Some of these items are too big/heavy to ship. I am willing to meet anyone in the tristate area (NY, NJ,CT) or who is willing to meet as far south as northern Maryland. I have pictures for some of the items listed below available upon request.

- Raymarine i60 wind direction/velocity instrument (1month old!)  $400
- 2 new halyards, 137' long, 10mm diameter,  w/ eye splice for shackle and eye splice for messenger line, made from Samson XLS3 rope. $190 ea.
- 1 Lewmar Chrome Lock-In Winch Handle. $100
- 1 Lewmar Chrome Standard Winch Handle. $80
- 1 Plastimo Iris 50 Handbearing Compass (blue) $100
- 1 Jim Buoy Standard Horseshoe Buoy w/ rack  $100
- 1 Weems & Plath SOS Distress Light $50
- 1 Weems & Plath Parallel Rulers (15") & Ultralight Dividers/Compass. $15

Contact me for photographs or for additional information.
Main Message Board / White crystals in battery fluid
October 25, 2022, 11:35:11 AM
Hello. I was topping off my batteries and noticed small white "flakes" or crystals floating in some (not all) of the cells. A search of the internet has yielded nothing. What could this be and is this a problem? The batteries are holding a charge and I've had no issues with them.

Thanks to all who reply.
I'd like to know how you solved venting the seal. Two feet above the waterline would put the vent hose at the top of the companionway in my '93 34'. Thanks to all who reply.
Main Message Board / Engine compartment drain
May 19, 2022, 11:55:54 AM
My 1993 34 does not have a drain from the engine compartment to the bilge. Has anyone on the forum installed one? I'd like to know if it can be done and how to do it.
Hello. We are interested in replacing the shades on our '93 Catalina 34. We do not like the solution offered by Catalina Direct. We'd like to know what other solutions members have come up with. We see that Zarcor offers products made by Oceanair. Are there any other manufacturers out there? Thanks to all who reply.
Main Message Board / Sail lofts, Long Island, NY
October 21, 2021, 10:17:58 AM
I'm looking for a sail loft to clean and inspect my main. I'm new to the area and would appreciate a recommendation for a loft in the Port Washington, Glen Cove, Oyster Bay area. Thanks to all who reply.
Main Message Board / Water pressure question
July 26, 2021, 11:33:44 AM
I have noticed that, if I leave the switch on for the fresh water system, I will hear it run for a few seconds to repressurize the system every 20 minutes or so. Is this normal for the system, or do I have a leak somewhere? I haven't noticed any water leaks. The bilge isn't running every so often (aside from the condensate from the air conditioner).
I've been experiencing something I don't understand and can't explain. For no reason I can see, the reverse polarity light will suddenly come on. This automatically shuts off ac power to the boat (including the much-needed air conditioning). If I disconnect the shore power plug, wait a few seconds, and then plug it back in, the light goes out and power is restored....until the light comes on again.

My understanding of reverse polarity is that it happens when the hot and neutral wires are reversed. Were that the case, the reverse polarity light should be lit all the time. What else could be causing this problem?
We will be moving to Long Island later this year. The boat will follow next year. I'm looking for a recommendation for a marina on the north shore of LI for our 34' Catalina. We're in a quiet, family-owned marina now and would like to find something similar. We're looking between Northport and Port Jefferson. Thanks to all who reply.
Main Message Board / Removing thru-hulls
May 21, 2021, 10:47:05 AM
Hello. I plan on removing, inspecting, and reinstalling my thru-hulls. Before I undertake this, I want to understand how the thru-hulls are mounted to the hull. Are they threaded in place with 3M 5200 providing an adhesive water barrier? Do they just slip through the hull and held in place by the 5200 and a flange on the opposite side? My boatyard can't get to the job for a while because they're understaffed and they have a lot of customers.  I've never done this before and I want to avoid making a costly, stoooopid mistake because of my inexperience.

My boat is a 1993 34', hull#12441293

Thanks to all who reply.
I need help solving this mystery. My boat is a 1993 34'.I was checking on my boat while on the hard and discovered a pool of water under the engine. It wasn't there when she was pulled last fall. This water had to come from the elements. The question is, how? There's no evidence of leakage from the companionway. The hatch and companionway are covered by a tarp.

The cockpit is open to the weather. There's no dampness in the stern berth anywhere. I'm at a loss trying to understand where the water has come from.

Main Message Board / Fuel Gauge Troubleshooting
August 19, 2019, 09:40:41 AM
Hello! New member and first time Catalina owner.
We just took possession of a 1993 C34. During the seat trial, the fuel gauge was working. Now that I own the boat, it's not. I've done some preliminary troubleshooting with these results:
- I checked the voltage with mu multimeter at the instrument and it read 12.5 volts, same as the battery meter.
- I disconnected the sender wire and used a screwdriver blade to short across the sender input post and the ground post. The needled jumped to the 1/2 position on the gauge.
- I checked the resistance of the sending wire at the instrument. It read zero ohms at all settings of my multimeter
- I checked the resistance of the sending wire at the fuel tank. It read zero ohms at all settings of my multimeter

The needle of the gauge is all the way to the left, off the scale of the gauge. When I turn the ignition key, the needle jumps a millimeter or two and goes right back to all the way to the left, off the scale of the gauge.

I want to see if the repair shop at my marina has a fuel gauge that's known to be good. If they do, I'll temporarily connect it and see if it works. If it does, then it's definitely the gauge. If it doesn't could it be the sender as well as the gauge?  I'd appreciate the thoughts of others on this problem. Thanks to all who reply.