bertram31.com

Ironworker

Wilco, Its one of too many projects on this boat. We just got the new engine beds and stringers glassed in on Saturday and started on the top after lunch.

Ironworker

Step One.

Ironworker

What I've learned in 50 years of offshore fishing and 40 years of flying is any forecast that is more than 24 hours old is not accurate. I like 24 hours for fishing and 8 hours for flying. I still check both immediately before I launch. BTW, forecast are OK but for real-time conditions, I like to ch...

Ironworker

But that's comparing a "New Boat" to a "57 Year Old Boat". In my case a "60 Year Old Boat"...crazy ! ? ! ? Me, if I had 500K for a boat, it would look alot different than a 31CC or a 31 Bertram. I used to go to Boat shows making believe I could have any boat I wanted free and clear. All I'd have to...

Ironworker

I learned something today!

Ironworker

A similarly sized new CC in the 31 range is at least $500K now. The B31 is a hellva lot more boat.

Ironworker

I like mine (Bennett). If mine fail, I would replace them. I pick up a knot or two at cruise and definitely makes for a more comfortable ride in a chop. Easy to level the boat vs yelling at the crew to shuffle ice chests. But better be in the up position if backing down on a fish -- they will rip r...

Ironworker

I posted a couple of years ago about adding tabs to my 31. The consensus at the time was they were not needed. I'm still leaning towards installing them while everything is torn apart if nothing else to level the ride in cruise. Any help with fuel economy would be a huge plus.

Ironworker

Very nice boat. I'm wondering how heavy the boat is? The seakeeper plus the batteries to operate it must add significant weight.

Ironworker

Jason,

I feel your pain. I was just making good progress on my boat and my GF made me take most of April off. Next week we start hammering down to get this old gal back in the water.

Ironworker

Rawleigh wrote: ↑Apr 20th, '22, 16:02 Check clearance between your props and the struts before you buy any! Mine were too close together.

Shouldn't they go in front of the Struts?

Ironworker

I'm going to install line cutters on my prop shafts. Any recommendations on brand? Anything I should know before I spend the $$?

Ironworker

I glassed an Airmar CM599LH in a pocket in my B31. Its a 3KW unit which will be used with a Furuno TZT3 unit.

Ironworker

I know a little about things that spin and harmonic balance. It would seem to me that placement of a zinc on the shaft would have some effect on the balance and tune of the shaft. I do know that vibration is bad. Zincs are certainly not machined to be balanced. This thread has me thinking that placi...

Ironworker

Which brings up a dang good question. I've always used Zinc anodes but it appears the latest recommendation is to use Aluminum anodes. I'm an old dog so I'm sticking with Zinc but what is the opinion of others on this issue.

Ironworker

I've got a buddy who just had a large custom sailing cat built for him. He does not even have a shore power hook up on the boat. Its completely self contained.

Ironworker

Locktite (get the removable stuff)

Ironworker

most folks don't know what the capabilities are and the right methods to accomplish their goals. I am intrigued by their capacity but it does not seem straight forward to charge them. Speaking of Lithiums, this picture is quite appropriate, I took it last night, who here on this site knew that you ...

Ironworker

Stephan,

I absolutely agree.

IMO, Lithium is for House batteries not for starting batteries. Which means if you're using both you need a DC/DC charger when running off the alternators.

Ironworker

Extremely nice!

Ironworker

Yannis,

I generally change my batteries every 3 to 3.5 years. They still have decent life in them but there is no Seatow available where I boat in the Bahamas.

Ironworker

Here is an interesting comparsion of Lithium vs Lead Acid Batteries

Ironworker

There are several types of Lithium batteries. Some are more stable than others. The top brands all contain built in battery management technology are are roughly about 1K per 100ah battery. Most fulltime cruisers are ditching the generators and going to Lithium batteries. The more technological adva...

Ironworker

Personally, I prefer AGMs (Group 31) for my boats. However in my refit of my B31, I'm planning on a Group 31 AGM battery for each engine and multiple Lithium batteries for my house bank. Current thinking is five 100 ah Lithium batteries but with capacity to add a couple of more.

Ironworker

My QSB 5.9s are a little heavier at 1450#s not including the gear boxes.

I like the B28's but what I really like to find is a B35 in decent shape.

Just as an aside, I own the old Pepper from the Mathews but I really like their new Pepper.

Ironworker

Bob,

Can you provide some dimensions from your boat with engine placement and shaft length etc.

Ironworker

In regards to AC, I'm looking for a temperature in the mid 70's with a little de-humidification. Its mostly to allow us to put up the enclosures to keep the bugs out at night.

Ironworker

Jason, Beautiful work. My boat will not be a showboat like yours but it will be nice. Like Bob, I'm moving my engines back as well. I've got some photos of the new stringers and engine bulkhead which I'll post into another thread in the near future. Right now I've got to go say a prayer to the wind ...

Ironworker

Rick, Have you looked into the Eurom 2401 caravan AC? 2400 btu, 700watt, no through hulls, I still doubt it can be run from a battery but its the smallest I can find. And I prefer the no through hull, no water cooled approach. I haven't but will check it out. Regarding dry ice, its unavailable in t...

Ironworker

But of a bummer of an update but after the DR trip I flew back to Charleston to find that the fwd clutch packs on the starboard transmission had welded themselves together. Likely from the hard running through that storm last week for about 6 hrs. I still wasn’t ready to give up so me and a buddy r...

Ironworker

Food is not my issue. I want to keep an ample supply of bait frozen.

Ironworker

https://www.mcmaster.com/phenolic-sheets/impact-resistant-garolite-e-glass/ I used glass on mine this stuff is really strong. Capt Pat posted this somewhere some time ago that he would use this as well. I used garolite g10 for backing pads as well both are bullet proof. That is pretty impressive st...

Ironworker

After months of demo on my boat, I'll never install any wood on the boat. Coosa 26 laminated with glass is about as strong as it gets. Wood may very well test better when its new but give it a couple of years of water infiltration then retest against Coosa.

Ironworker

I haven't researched it to any degree, but charging these batteries is a common practice. The Toyota Prius only charges its batteries when underway from both the lil gas motor and regeneration. I'm sure its like the AMG's you need to supply the juice the way the battery needs it supplied at whateve...

Ironworker

The AC description doesn't say anything about 12volt operation. Also, it doesn't say anything about watts. Im curious to see how you will make it work and what amp consumption you estimate. Thanx. Yannis, Check out this page. They are all 12 volt. If I was starting from scratch with my electric ree...

Ironworker

This is the AC unit I'm considering

https://mabrustore.com/collections/mari ... nditioning

Ironworker

Unfortunately, I made a couple of post that somehow didn't get on the forum. Likely on my end and I'll add the info back this evening after my outboard stringers are installed. I'll be charging both the lithium (House) and the AGM starting batteries at the dock and underway My plan is to install an ...

Ironworker

Good luck. I called around last year on my 69 Bertram and no luck. You may be able to get liability only if you need if for a marina.

Ironworker

Based on my research it takes a smart charger specially designed for lithium batteries. Here is a resource page scroll down to find charging with alternators.

https://www.victronenergy.com/media/pg/ ... ality.html

Ironworker

Doug,

In the southeast we have gnat time. Its about 15 minutes before dark and last until about 1 hour after dark. I admit we retreat into the safety of indoors as the outside is not fit for man nor beast.

Ironworker

Good thoughts. I had planned on the Honda Generator as a back up but I don't want to haul extra gas. I've seen too many boat fires in the GOM for that. In regards to the AC, I'm considering one of the new 12V units. There is little to no room for solar panels and I don't think I'll need them. I have...

Ironworker

First I know that my 31 is a day boat but I want the ability to overnight a couple of days in some measure of comfort. Which means limited cooking, a small freeze on the boat and a air conditioner! I've weighed the benefits of a diesel generator vs going with a lithium battery bank and at this point...

Ironworker

All good points. No doubt $275k will produce a fine fully restored beauty, i just don't think thats the entry fee to run an old boat. Structurally sound, reasonably dependable power, and im going fishing. Ive got plenty of time to make it pretty, cause once i get one, im not selling it, it's gettin...

Ironworker

You've spent $275,000, have used engines, and still don't have stringers? Mabe project boats aren't your forte? I can assure you that if I knew now when I was offered the boat, I'd just have spent the money on a boat already renovated. But at $275K when the boat is completed is about half of what a...

Ironworker

There's a 31 on yacht world pretty cheap. Needs work. I like the price but im in florida, boat is in new jersey. So shipping adds a chunk, and i cant go look at it. Anyone want to volunteer to kick wheels on this and let me know if its a diamond in the ruff, and buy or pass? This is roughly the sam...

Ironworker

Good news! Used the saltwater wash down pumped Jerry rigged as a fuel pump to pull the water out of the bottom of the tank. Grabbed about 2 gallons total of water. After that waste of 24 hours we hit the road and hustled down to Beaufort NC and then Southport NC for the night. Today we got up and r...

Ironworker

Nice cup holders!

Ironworker

That really sucks.

Ironworker

I figured I’d post here in case I bump into any of you guys along the way. I bought my b28 from a guy up in MA and I’m going up on Thursday (17th) to bring her home. We’re going to run to Manhattan the first day, then down to Norfolk the second. Hopefully to Beaufort NC on the 3rd day and if we can...

Ironworker

In South Florida its hard if not impossible to sell a boat with Pods.

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