bertram31.com

Captain Decent

For comparison i am not cummins powered but with 6LP 315hp yanmar. I generally cruise at 26-2700 rpms and 23- 24 mph by the gps in no current or wind. i know i should run higher rpms but wife is most comfortable there. I burn 10gallons per hour total . Bottom is always clean as boat is kept on a li...

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I talked to Ricky and feel the tachs are reading off by 2k. He has some other issues that when he gets back to the boat next week he'll call me and I'll go thru some things with him. But conversely, he won’t be doing 20kts at 1800rpm either. Sounds like an air restriction be it intake, turbo or int...

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If you’re getting 3800 at WOT how are you only moving at 20kts? I have the same setup and would be doing over 30kts at WOT.

That’s my first question.

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Nice! Elliot bay marina is for the high rollers. I’m down in chinook landing in Tacoma. Just splashed her last weekend myself. Would be out this weekend but alas the downpour. Mines on a trailer so we went to pt defiance which has been improved substantially. I don’t like dealing with the locks usua...

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I need to replace my rusty rudder pillow blocks/mounted bearings. I can’t tell what size they are without removal. Appears to be a 1-1/4” ID if the square end is any indication. Anyone know offhand? Thanks!

Captain Decent

Drilled a 1” hole?! What an idiot. Hit the bilge pumps, siphon, whatever. Anything but a 1” hole.

After slapping him upside the head repeatedly I would install a threaded plug fitting.

Captain Decent

The Seattle area boat market is stupid. I picked up a FBC from Maryland last spring because of better inventory and prices. Where is this boat? From the pictures it generally looks pretty well appointed. The price seems totally in line with the local market but most of the guys on this board are fro...

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Funny, I went from a GW Marlin to a Bertram 31 FBC. Wife didn’t care for the GW. Loves the Bert. Forget the lower helm. Sometimes I’d like the drive from inside (I live in Washington state) but I can’t imagine trying to drive from down there. I’ll take the sleet to the face. If you need any info on ...

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I’ve seen that listing and it’s the 6.5 engines that don’t sit right with me. Those were never great engines in anything. Not terrible but he wants top dollar. Maybe it’s mint but 6.5 knocking diesels are an odd choice and will be a problem for you either while you own in or when you try to sell it.

Captain Decent

Great work! Looks really nice. I am on the cusp of attempting something similar and haven’t quite made the commitment as it’s a large task and interior work isn’t my forte. I see you are in Seattle as am I. Was your Formica in good shape? My cabin is half white and half old wood grain. I want to do ...

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Yannis, can’t you take the specs to a local paint supplier and get it mixed? The paint I get from my yanmar dealer is just that. Yanmar gray packaged by a local paint supplier

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I was thinking get it painted and looking good and then spray with corrosion x. Didn’t really want to spray CX right over the rust.

Captain Decent

Anyone have problems with rust on their engines? My engines have a fair amount of rust from what appears to be spray from the vents. I have very large grille type vents and until recently had nothing to block spray. I have since installed foam. Is this a normal problem with these boats and/or inboar...

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What do you guys think something like this for flushing the raw water side of the cooling system? https://www.iboats.com/shop/trac-ecological-flushing-cap-for-groco-500-750.html?gclid=Cj0KCQiA-4nuBRCnARIsAHwyuProTJd8h-28KwKXrXEvfGFgmqFteA2suLYy9Dxzq_iHaytF2vDHHAwaAgAqEALw_wcB I just bought one for ...

Captain Decent

When you’re adding the antifreeze are you running the engines or just gravity feeding with the engine off?

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Doesn’t appear to have a drain except that one aft which is useless. I am going to install a self priming diaphragm pump to suck out the remaining water that the centrifugal pumps can’t get. Tires of 2” water down there.

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While I kinda like the way the 30 looks and that one shows pretty good in pics I can’t imagine what it would cost to get it back on the water reliable. I see good running 30s for sale for not A lot more pretty often and see no reason to jump on that one. They’re not particularly valuable as far as B...

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Guess I’ll look harder tomorrow. Gotta clean out the bilge anyway. Spent the day removing the head and plumbing and then replacing all the fuel filters. I’m beat. And filthy.

Captain Decent

Found it. Appears to be only one, slightly off center right by the transom. Not very useful considering how the boat sits. Even on the trailer I can’t really get it tilted high enough for water to run aft.

Captain Decent

Is there a drain plug in a 76 FBC? I thought I saw one but now I can’t find it. Damn boat is filling up with water (trailered).

Captain Decent

I have a couple of broken teak trim pieces that hold up the head liner. Of course they’re all the ones on the radiused corners.

Is there any place to purchase replacements or what is the best way to replace them. I’m handy but I’m not seeing a good method for this. Any ideas?

Captain Decent

I notice that some Bertrams have a forward slanted windscreen and some, like mine, have a swept back windscreen. What is the difference in performance? I don’t like running with canvas up so I’m usually dressed in winter gear and goggles. I’m wondering if the forward slant would help divert wind bet...

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What exactly do you guys mean when you say “glaze”. When I look it up it appears to be synonymous with “caulk” or sealant.

Captain Decent

Now that the rain is back in the PNW (wasn’t gone long). I am seeing some water drips from the window frame. It’s mostly but not limited to the area where the rear of the curved window stops and the side windows begin. What’s the preferred sealant for this? I was considering 4200 but maybe that’s to...

Captain Decent

I recently pumped my oil out for the first time using a dipstick tube style pump plumbed into a tank from west marine. Slick unit but after about an hour of pumping I realized why it takes so long. The probe you stick down doesn’t make a deal with the tube so it sucks a ton of air from the open end ...

Captain Decent

I looked at a boat powered with Volvo kad42s which are 230hp I believe and the owner claimed 17kt cruise. So sounds about right.

Captain Decent

I am going to add a bow eye for my boat. It’s a float on trailer so I don’t need to winch it on hard but obviously it will take some forces. I bought a 5/8” SS bow eye but I really don’t like the idea of drilling a couple 5/8” holes into the point of the bow. Seems like it could lead to problems. I’...

Captain Decent

Interesting question I was wondering the other day. With people you can distribute them so I Bet you could hold a lot especially in an emergency but the other day we went overnight for a tuna trip and I was concerned about weight as we were loaded very stern heavy. In addition to the full tank of di...

Captain Decent

How do you guys keep water out of the bilge and is it a problem? If I hose down my deck water drips down through the hatches and drips on all the components. I’m sure the same thing happens when it rains and when we are fishing, we get blood, scales and bait down there despite our best efforts to ke...

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Ended up getting a scoop from my buddy locally just in the nick of time. I’m getting about a 50/50 report on wether it would work or not so didn’t want to risk it. Works beautifully right now.

Captain Decent

I’ve asked this question on a couple boards but wanted to see what you guys thought. I am plumbing in a 40gallon live bait tank (bait tank for anchovies, not a live well). The only thru hull I have is one located just aft of the engines/transmissions under that little hatch under the rear engine cov...

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It makes sense that the boxes are not that rigid laterally so maybe I’ll strap 1 cooler or kill bag on each outboard edge of the box, drop a kill bag on the floor between the boxes and maybe run a couple more on the deck just aft of the boxes. I also like the idea of maybe just strapping down a half...

Captain Decent

My Bertram doesn’t have any built in fish boxes and there isn’t any room for any either. We fish 6 guys and run a troll spread and live bait so we need room especially since there is bait tank right in the middle. We need to be able to store 20, 30, maybe 40 albacore which average around 20lbs. In t...

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Yeah really. I could always fill the deck with coolers and bags but I’d rather not.

Captain Decent

The one thing I don’t like about my Bertram is absolutely zero fish storage. So what do you guys do with your fish? I don’t want a bunch of coolers crowding my deck so I’m thinking about strapping either coolers or kill bags to the top of the engine boxes. They seem pretty stout. Does anyone know wh...

Captain Decent

Bob Patton wrote:My boat is a 1969 that came with 3208 cats. It is on a trailer so it is easy to measure. 56.250 center to center.

By chance do you have any pics of the trailer or have any dims? I’m trying to fit a trailer to mine. That’s would be very helpful.

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Maybe I’ll see you out there. I’m on the PS right now. Soon moving to Westport for the summer.

Captain Decent

I just measured my shafts to the center with the props off and it's 54-3/4". The outside of the shaft struts measure 58". I don't have factory engines so take the measurement with a grain of salt but those are the numbers. I hope that helps! Wow that’s a lot wider than what I thought. I took the nu...

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The trailer is rated for 18k. Boat weighs 13.5k. Looking for advice on trailer configurations from someone who has a tried and true setup. Hiring a shipper every time is not an option.

Captain Decent

I’m inferring 48” width from that drawing does that sound right?

Captain Decent

Well I got my B31 home but it’s collecting algae and I need a way to move her around. I found an 18k trailer that has potential but with the boat in the water configuring the bunks looks kinda hard and I don’t wanna break anything. Does anyone have a trailer setup well that could be so kind as to pu...

Captain Decent

What’s the standard width between the prop shafts? I’m trying to outfit a trailer and I’m trying to reference the trailer doc on this site but it doesn’t include that measurement. I’m trying to figure out if the props or shafts will fit between the trailer frame or if it will have to hang off the ba...

Captain Decent

Allow for 20ft? I was thinking this boat is closer to 12.

Captain Decent

I am trying to get my newly purchased b31 from maryland to Washington and I need to know the height of the boat from keel to bridge at its tallest point. Anyone have those numbers? Also, one shipper said the fiberglass tank will not survive the trip as the diesel would beat it apart on the road. Sou...

Captain Decent

Guys, so I’m working on a deal for a 31 but have never owned one so I have a concern about the beige design. I’ve always ran boats with self bailing decks and sealed hatches so that basically no water gets to the bilge under normal circumstances. But the Bertrams I’ve seen always seem to have some w...

Captain Decent

I see that the factory lists the b31 at just over 10k lbs. I have a hard time believing this. Seems too light. I am trailer shopping and found a good deal on a near new trailer rated at 16,500 gvw. Boat is a standard fbc model with Yanmar 315s. Can anyone give me some measures weights of comparable ...

Captain Decent

Well I ended up putting a deposit on a 31 with Yanmar 315s. Sounds like I’ll be in the mid to high 20s which works just fine for me.

Captain Decent

Are you looking for a Fly bridge model or a Bahia Mar style? Take a look at some of the posts in the sale area of this board. We have a couple of members looking to sell. You will see them posted as for sale or you might find a post in one of the threads of someone looking for a 31. Flybridge is wh...

Captain Decent

With the 4th set of motors in the boat presently with over 4000hrs.in a,1973 FBC, I now have 5.9bta Cummins 270HP. Maximum RPM is 2600. Running at 2300, full load, 220gallons/fuel, 4 adults, ice,bait,etc overnight Offshore trip (80 miles one way)she runs plus or minus 24kts. 1 1/2” shafts, 20x22 4 ...

Captain Decent

I was hoping to get a rough baseline of performance numbers for a given HP. I am shopping for Diesel powered boats. I have seen anywhere between twin 170 to twin 370 configurations. I don’t care about top speed much but I need to be able to cruise in the 20s. The higher the better. Some boats we hav...

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