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Topics - britinusa

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Main Message Board / Oil in the coolant
« on: August 24, 2023, 12:03:21 PM »
I screwed up. After completing an oil change I checked the belt tension and the coolant level. It was a little low so I decided to add some.

I pulled the yellow jug of what I thought was coolant - didn't check - it wasn't - it was engine oil.

As I began to pour the liquid into the funnel, I immediately realized it was not coolant  :shock: I had probably poured about a 1/4 cup of the oil into the coolant tank.


I used a paper towel to mop out the oil from the surface of the coolant.

I did not start the engine!!

So, how bad did I screw up and what suggestions for dealing with it.

BTW we've owned the boat 8 years and only had to add coolant a couple of times, once after servicing the heat exchanger, never any issues. I don't know how to drain the coolant.

I'm guessing the oil will float to the top of the coolant. Perhaps just filling the coolant reservoir with fresh coolant, the oil would float to the top and I could soak it up with paper towel.

Holding my breath.



Main Message Board / Refinishing the Hanging locker wooden door slats
« on: April 29, 2023, 02:39:11 PM »
I'm refinishing the interior of Eximius, just done the Galley Drawer Cabinet, turned out really nice.
Next project is the Door on the front of the hanging locker ( just aft of the Nav Table )

But how to refinish the slats?

The Galley Drawer Cabinet was pretty easy, just sand it down to remove 36 years of previous finishes and then apply 3 coats of Water Based Polyurethane.
But sanding those slats, that's a challenge, anyone done it or knows how?


Main Message Board / Balmar Serpentine Belt Kit
« on: February 09, 2023, 12:08:02 PM »
The thin Alternator support Arm on our 1987 C34 Tall Rig Fin Keel's  M25-XP Universal Engine broke.
I had a new support arm manufactured by a local engineering shop.

Now I feel that it's time to replace the V-Belt with a Serpentine belt, I'm very impressed by the improvements my sailing buddies have experienced on their, different, boats.

Looking at the Balmar 48-USP-M25  Pulley Kit.
I have checked and there is plenty of room between the front of the alternator, crank shaft and coolant pump pulleys to fit the wider serpentine belt pulleys and I can get all of the pulley bolts loosed except for the Alternator which I plan to take to a local alt shop and have them pull the old pulley off and install the new one.

The only question I have is: Is this the correct sized kit? ( Balmar 48-USP-M25 Pulley Kit)



Main Message Board / New Start Battery
« on: October 12, 2022, 06:13:42 AM »
Hi Guys, time to replace the Start Battery ( 5 years old and getting cranky )

I'm in the process of installing a Victron BtoB battery charger to my system ( just finished replacing the entire electrical power management system ). The B2B will charge the Start battery from the House Battery ( currently a 2S2P Trojan T105 6v Battery bank but getting replaced with a LiFePo4 battery bank by the end of the $year.

The current Duracell 12v AGM battery has the terminals on the side and it's mounted under the hanging locker aft of the Nav Table.

Not sure if our current battery is the most appropriate, but definitely want an AGM.

Can you suggest the most appropriate ratings for the battery and any recommendations for the battery brands.



Main Message Board / Wishing Rod a speedy recovery.
« on: September 09, 2021, 10:57:12 AM »
Just saw the notice on FB Boat Electrical Systems that Rodd, a major moderator of that group will be offline for a while needing a lot of re-hab. That kind of news is never good news. We'll be thinking of him. Hang in there Rodd.

Main Message Board / Replacing cabin top winches
« on: June 25, 2021, 02:52:20 PM »
While I'm waiting for the parts to arrive to work on the Thermostat housing, my new winches arrived.

The port side winch on the cabin top (Jib Halyard & Topping lift) is not self tailing and the admiral cannot handle tailing and winching at the same time. I purchased a new Lewmar 30 winch from west marine on their BOGO offer, so now I have two nice new winches.

The port winch replacement is easy, the bolt holes in the cabin roof match, the starboard winch is not so easy.
The hole pattern on the winch seem to match with the new winch base, but the holes were not drilled very well and some of the bolts are closer together at the underside of the cabin roof.

I could probably just accept that the hole spacing is irregular.

Alternatively I could drill out the irregular holes, do the old 'clean out, fill, redrill' process.

Considering that the stbd winch hoists the main halyard and the old winch has shown no problems due to the irregular hole spacing.

Any reason not to take the second choice (I know, fix it and go sailing - We're trying!)


Main Message Board / Universal M25-XP Thermostat Housing
« on: June 21, 2021, 03:18:40 PM »
Found some corrosion on the Thermostat Housing where the coolant pipe connects from the coolant tank.

Looks like I should replace the hose.

Wondering if I can just remove the housing, remove the corrosion, new gasket, new hose.

AND Yes! I will be replacing the hose clamps with non-perforated clamps  :D



Main Message Board / Replacing keel nuts in the water
« on: January 20, 2021, 11:01:52 AM »
Eximius is on the hard getting the butt cleaned and painted and the hull polished, I'm doing a few other things while on the hard.
A couple of the keel bolt nuts are showing a lite corrosion and I have purchased 316 SS nuts and washer with the intent of replacing them all.

However, it would seem pointless to replace them without taking the opportunity to paint the bilge (before putting the new nuts & washers in place)

Because we have to stay on the boat overnight after splashing the boat on Wednesday morning ( a week from today ), and by all accounts the VOCs would make it untenable to sleep on the boat until venting for several days.

Therefore I'm considering doing on nut at a time while the boat is afloat after we get her back to her dock.

The good news is that I was easily able to loosen most of the nuts just to ensure it wasn't going to be an endurance test. I retightened them.

So, ok to replace them one at a time with the boat afloat?

Main Message Board / Reverse Polarity Indicator Wiring
« on: October 16, 2020, 07:52:05 AM »
Yes, I searched for this issue, mine is a bit unique.

Our boat (1987 Mk 1) had a new electrical panel or update around 2006 looking at the documentation that came with the boat (I'm at least the 3rd owner).

Over the years, the wiring behind the panel has turned into spaghetti junction, the wire terminals are awful, AC connections are Wirenuts, Circuit breakers have as many as 4 terminals connected on the switched side, there are more butt connections than I have ever seen on a boat. Wire colors and sizes are not either consistent or appropriate and labels - electrical tape that may have something written in crayola years ago.

As I prepare for a major update on the wiring behind the panel, I inspected the AC breakers and in particular, the Reverse Polarity Indicator. The attached photo shows the R.P. Test Switch and lamp, note the empty switch tab. The attached diagram shows what I believe is the correct wiring for the Reverse Polarity Indicator system. (the red wire is the one I believe is missing).

I know that I can purchase a Reverse Polarity Plug to test the shore power at any dock we plug into, but the existing system has the facility, it's just that it doesn't work (at least, I can't see how it works)

Any suggestions? Note. We do have a Galvanic Isolator installed between the Shore Power boat side plug and before a Zantrex Freedom 20 Inverter Charger.



Main Message Board / Removing the Nav Table
« on: September 17, 2020, 07:36:52 AM »
Prepping for my rewire of the electrical panel, I recognize that it might be easier if the Nav table was moved out of the way for the project.

Anyone done that (removed the nav table) that can give any 'be careful' hints.
OR - don't botther, moving it doesn't help.



I've reached the stage where I can no longer relax knowing that the electrical panel wiring is such a nightmare on Eximius.

I'm planning a complete rewire of the circuit breaker panel and checking each wire to it's destination for quality - many of them have several butt joints and multi color changes as well as wire sizes.

So I'm looking for ideas on how to make it look nice as well as be reliable.

One thing I'm thinking of is to remove the hinge that holds the circuit breaker panel in place so that it can be pulled away from the 'hole'. That would improve access to the 'hole'. Looking at cleaning up the bulkhead and installing terminal blocks for all the inbound wiring and then run looms from the terminal blocks to the panel.

Just wondering what the inside of the hole looks like on other boats. Got any pics?

Main Message Board / Mast collar and Partners pics
« on: July 22, 2020, 08:59:32 AM »
Anyone got pics of the Mast collar without the boot in place?

I'm considering Spartite (yes, read all of the posts on the subject) but want to see what the partners look like. I saw Stu's pic of the partners filled with rope and silicone but wonder if anyone has clearer pics showing views of the mast in the partners without the boot etc.

Our single piece boot is deteriorating and have no plans to pull the mast for at least a year.



Main Message Board / Davits... do you have them?l
« on: February 06, 2020, 07:05:32 AM »
Before I plunge for a pair of davits, I'm curious how many c34 have them.

Also, if you have them, about how high from the water is the dinghy when fully raised?



Main Message Board / Smallest plumbing pipe diameter
« on: February 06, 2020, 06:58:27 AM »
I'm looking at replumbing our hot and cold water pipes.

Preference would be to get away from hose and clamp style and use push in pipes and fittings.

Any input?

And recommendations for the smallest diameter pipe?



Main Message Board / New Dodger
« on: November 02, 2019, 05:15:36 AM »
It's finally time to replace our Dodger. If anyone has seen a quote for a new dodger and choked on the price, don't!

I've posted my first blog post on the process of building our new Dodger, it includes a spreadsheet of the initial costs, I thought it would be around $650, but that's already $200 short!
So far, the estimated cost of Materials is over $800 and I expect it will take at least 5 trips to the boat for initial prep, templating, construction, initial fitting and adjustments. Just doing that many trips to the boat for a business would cost $500 let alone the cost of actual construction. Not sure how long the project will take, but I'm guessing around 20 hours of construction as well, and that would be another $1,000 at $50 an hour and what business can afford to only charge $50 per hour for quality work (I've been sewing for nearly 4 years now and have quite a few projects under my belt, plus about $2000 worth of machine, and tools and I'm just a hammer chewer!)

Here's a link to the blog article.


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