Casting Lead the Ballast Keel, S2-E15

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In this episode the lead ballast keel is cast for the Haven 12 1/2.
“If you’re going to make it, make it beautiful.”
Bob Emser
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Опубликовано:

23 ноя 2019

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Комментарии : 71

@jackdotzman2908 4 года назад

Really enjoy your videos. Looking forward to when you attach the keel to your boat. Thanks for taking the time to share your God given skills. Happy Thanksgiving. From Missouri

@timothybryan5113 6 месяцев назад

Seems like you got the inside of the form charred without even trying. Good work

@davidc6510 2 года назад

You looked like a kid at Christmas demolding that keel. Job well done to you and your helpers. Great video and Thanks for sharing!

@bumpkin52 4 года назад

Great video. Seeing all that goes into safely, successfully melting & pouring lead reinforces my belief that using a 22 pound piece of steep plate as the weight in my centerboard was the right choice for me.

@dgbasile 3 месяца назад

Another great video Bob. Love your explanations and narration. The tour of the shop was great. I really appreciate your having organised stations around the floor for particular types of work.

@kevspss 4 года назад

Nice work Bob. When I was in the Navy, got to watch the molders do their stuff. Loved when they did the bronze. Your bringing back memories for me. Thanks

@johnshoureas1629 4 года назад

You should have been wearing a suit of Knight's Armour. ha ha Nice job, I waited all weekend for this pore.

@marchebert9813 4 года назад

I love how organized you are. Watching a real pro. Every moved well thought out.

@alexandrelegault5727 4 года назад

Bob you are a great teacher, I love to watch your videos showing traditional trade techniques. Keep it coming!

@brianwhitehouse8380 4 года назад

Another great video Bob. Thanks.

@530eman 4 года назад

Thank you again for sharing...👍🏻

@Norwegianwoodworker 4 года назад

The most interesting on RU-vid this month :) Thanks for the series. Regards TR

@mjschaeffer2112 4 года назад

What an amazing process. I learned a lot right there. You are a great teacher!

@fernandofert9960 4 года назад

very nice pour.

@veleiroema 4 года назад

excellent work, experience is the best security, congratulations!

@sampickett3843 4 года назад

Great job. I really enjoyed the video. For some reason I thought the pour would last longer than 48 seconds. Your preparation really paid off. There were a lot of things that could have gone wrong. Even the spillage at the beginning of the pour was handled quickly, but without panic.

@ateliedemaquetes.aereoenav4894 4 года назад

Maravilhoso projeto. Parabéns!

@dennisdownes9319 4 года назад

Great job Bob! For anyone who has been following you, it's no surprise that your father was a Mechanical Engineer. You may have studied art in college, but your mechanical prowess is ever present! Was all the lead in the tank used up? DD

@JenkinsBoatWorks 4 года назад

great job Bob. I worried that your pipe would be too cool and thus have trouble getting the lead to flow as I had that problem. You were working in much colder weather too. Our set ups were similar and if I ever do it again, I'll watch your video again too. cheers buddy!

@jeffbigbear1766 3 года назад

Great video. Good info.

@jackrichards1863 3 года назад

Always fun to pour some lead, despite the need for forethought. Success eh!

@thomasarussellsr 4 года назад

Quite nicely done. Please show the planing and prepping of the ballast keel from here. I can't wait to see the rest of the wooden keel made to fit that rise (drop) in the lead from the curve at the (belly fin? I don't know the term for it). That seems like a heck of a keel for such a small boat. Should prove to be quite stable in the water. However, there won't be any hand loading of this boat, once finished, into the back of a truck bed, that's for sure. Loving the build series. Thank you so much for sharing it with us.

@brucedoxey5815 3 года назад

So much for carrying it on your shoulders!

@mattevans-koch9353 4 года назад

Very nice casting. Did you find any porosities as you trimmed the flashing and the sides behind the charing? Excellent video as usual. Thank you very much.

@clarkkent7999 4 года назад

Very interesting process. You mentioned that rain was threatening, but I didn't see any tarp or supports on hand to cover the casting in the event of rain. What would have been the result of heavy rain pelting the molten lead? Also, if you had spilled too much lead, would there be enough time to melt and add more lead?

@TheJustonemore 4 года назад

This is awesome

@woodpeckerbinojpathrose3068 3 года назад

Thank you sir

@rlewis1946 4 года назад

Have you had the opportunity to weigh the lead ballast, as cast? May I ask what it weighs and how does that weight compare to the design requirement? Thanks for your time and efforts to produce a very fine Series!

@michielouwersloot8136 4 года назад

O my God..haha we have a saying about" cheap" (friendly) labour if you pay peanuts you get monkeys. Nice it worked all out for you it must have been a bit stressing. Nice vid!

@glencrandall7051 4 года назад

Very interesting. How much does it weigh?

@user-qd5je9yi2n 3 года назад

Отличная мастерская. Есть ли видео о строительстве мастерской ???

@rwe2156 4 года назад

Orienting the mold parallel to the pipe would avoid the spillage

@atmm89 4 года назад

or adding a small pipe at the end to direct the flow down

@itsmepreston89 3 года назад

What a pro. I love at the beginning how you are like.. please leave me be.. I know more than you 😂

@TheArtofBoatBuilding 3 года назад

Hi Preston, I appreciate that!

@itsmepreston89 3 года назад

@@TheArtofBoatBuilding can’t wait for the next video!!!

@lacleman9394 3 года назад

Hi Bob, with hindsight, would it have been better to position the mould at 90 degrees to how you placed it, so that when you poured the lead, it would not have spilled over the sides?

@bbv26026 Год назад

My grand father worked at the cat foundry in Mapleton. Wonder if he knew your dad. Or he might have been one of the guys you saw making sand molds or pouring molten steel casting those engine blocks

@TheArtofBoatBuilding Год назад

Hi Joseph, Very cool! My dad spent his career in the East Peoria plant. Cheers, Bob

@johnlastname2397 4 года назад

did you soak the wood before pouring the lead is that why there was so much steam?

@dennisdownes9319 4 года назад

BTW........are there any plans to sell any tee shirts like the one you sometimes wear with your logo on it??

@tomtruesdale6901 4 года назад

That keel turned very nice, had me wondering about the pour at first when the lead splashed but you controlled it just fine.

@chriswyche4119 4 года назад

We have a steal mould keel for a 12.5 kicking around

@nagibali4322 4 года назад

amazing... please could i can know how i calculate the weight of ballast keel according of any boat volume ...thank you very much

@TheArtofBoatBuilding 4 года назад

It's a calculation of the boat weight + crew compared to the boats displacement weight the short fall would be the needed weight of the ballast. It's a complicated calculation. to long to explain here. However, here is a very good book in the topic: Elements of Yacht Design by Norman Skene. I took the boat design course at the Wooden Boat School with Paul Gartside. We used this book as our textbook, I would highly recommend it.

@charles.neuman18 Год назад

I'm curious about timing. Once poured, how long did it take to solidify? And then how long did it take to get to around 100 (around room temperature)? Also, why did you wait two weeks before lifting it up? Just scheduling or weather, or was there a reason it had to be that long?

@TheArtofBoatBuilding Год назад

Hi Charles, As you could see in the video it took less than a minute for the pour. Because of the low temperature 36º F it was cool to the touch in a couple of hours. The 2 week delay was that it snowed several inches the next day and the availability of my friend Tony to lend me a hand. It could have been taken out of the mold the next. Hope that helps! Cheers, Bob

@boyev 4 года назад

Its a good idea to char the wooden mold with the flame gun first. This takes a lot of the moister out of the wood. Very nice pour though.

@tomharrell1954 4 года назад

Did you listen to the video at all. He explained why he did not char the wood!

@t.a.ackerman4098 3 года назад

Why didn't he run the mold inline with the chute instead of perpendicular? I would think less would have spilled over the edge at the beginning.

@chud72776 2 года назад

Hi Bob, Do you think two Blichmann Propane burners at 140000 BTUs each could melt 6.2 gallons of lead? One brings 20gallons of beer to 212 quickly enough.

@TheArtofBoatBuilding 2 года назад

I would think so. The trick is to contain the heat.

@stewartcrowe80 4 года назад

looking at the video it seemed to me that the lead melting container looked dangerously flimsy for the weight of lead being smelted inside it. The consequences of the collapse of any of the legs supporting the container could have been too terrible to imagine

@byoung255 3 года назад

Would it be better to char the inside so that the timber is dryer and doesn't cause steam to bubble through the lead?

@byoung255 3 года назад

I guess most of the moisture would be within the timber and charing is just on the surface

@TheArtofBoatBuilding 3 года назад

Hi Ben, Charring does reduce the moisture on the surface. However, you are correct there still is considerable moisture in the timber. When researching and talking with other boat builders the conclusion is charring does not stop the steam being generated. As one fellow said "Don't waste your time." Thank for watching! Cheers,

@WesternReloader 2 года назад

This man epitomizes a mans man

@petterandersson7429 4 года назад

I would like to know what kind of a valve you used on the smelter. Thanks

@ClaytonwFirth 4 года назад

Petter Andersson solidified lead.. that’s why he heated the pipe to start the flow.

@peterforsythe3643 3 года назад

Good fun, Bob! I cast the same lead keel for the Somes 12.5 (lapstrake version of the Haven 12 1/2). I did it in a Wok in the back streets of Kowloon, Hong Kong. Not at all scientific like your fantastic smelter, but amazingly it worked! She’s sailed fine in these waters, till destroyed in a typhoon..... Here’s my blog post of the day we cast the lead.....mywoodboat.blogspot.com/2013/05/keel-foo-yung-stir-fried.html

@gemfaceter 4 года назад

Were the two pipes just for venting?

@pmrich7035 4 года назад

Yes, they are vents to ensure that the capped off section of the mold doesn’t end up with voids due to trapped air.

@johnryan2193 4 года назад

When I saw the set up I felt they were lucky the barrell did not collapse and kill or maim some poor fool

@20252529 4 года назад

I ran a smelter in a print shop as a teenager back in the 70s. I have probably cast thousands upon thousands of lead ingots, Way, way too casual around that much hot lead. I don’t think you guys have any idea what would happened if a drop of water had been introduced .