The Measurement of Sjogin

[Russ Manheimer]

I'm planning to haul Sjogin for her Summer refit in early July. As you all know Paul Gartside and Francois Vivier are waiting for her measurements to start drawing the plans.

Some of you nearby have expressed an interest in helping with the measurement process. I've talked with Tom Beaton and he's willing to put Sjogin in one of the shops for a weekend so we'll have a level floor upon which to set up a grid.

I'm thinking of doing this the weekend of July 17th or 24th. If anyone's still interested please let me know your preference. I have a couple of beds/couches available at home or I may be able to arrange a berth or two at Beaton's.

I expect the process (once I figure out how to do it) would take a day to record the offsets and a day to record the construction details; maybe less. I have a copy of Boats, a Manual for their Documentation as well as detailed instructions from Paul Gartside. Any advice from the collected wisdom of the Forum will be appreciated.

Thanks again for your interest.

Russ

[RodB]

Re: The Measurement of Sjogin

Russ,

I would like a copy of Paul Gartside's instructions/comments on what he wanted you to do???

Rod

[SMARTINSEN]

Re: The Measurement of Sjogin

. I have a copy of Boats, a Manual for their Documentation as well as detailed instructions from Paul Gartside.

This document was recently published on line.

It is available as a WB digital edition. Free to all.

You can also re-read this:

http://forum.woodenboat.com/showpost.php?p=2517251&postcount=1

But I had a hard time downloading from that link.

It is 80mb, and took just a couple of minutes on the WB site.

http://www.woodenboat.com/wbstore/index.php?main_page=product_info&cPath=74&products _id=765



Russ I would be glad to help, and either weekend is fine, and camping out on a work bench ala Hughman is fine with me. Clint Chase warned about too many well meaning amateurs being in the way, but I will gladly lend a hand if needed.

[Otto49]

Re: The Measurement of Sjogin

The free download of the book, from our host, is at

http://www.woodenboat.com/wbstore/index.php?main_page=product_info&cPath=74&products_id=765

You will need to register if you are not already, go through the checkout, and then download the PDF.


Barry

[htom]

Re: The Measurement of Sjogin

Lots of photos, to go with the measurements and notes.

[Peerie Maa]

Re: The Measurement of Sjogin

I'm planning to haul Sjogin for her Summer refit in early July. As you all know Paul Gartside and Francois Vivier are waiting for her measurements to start drawing the plans.

Some of you nearby have expressed an interest in helping with the measurement process. I've talked with Tom Beaton and he's willing to put Sjogin in one of the shops for a weekend so we'll have a level floor upon which to set up a grid.

I'm thinking of doing this the weekend of July 17th or 24th. If anyone's still interested please let me know your preference. I have a couple of beds/couches available at home or I may be able to arrange a berth or two at Beaton's.

I expect the process (once I figure out how to do it) would take a day to record the offsets and a day to record the construction details; maybe less. I have a copy of Boats, a Manual for their Documentation as well as detailed instructions from Paul Gartside. Any advice from the collected wisdom of the Forum will be appreciated.

Thanks again for your interest.

Russ

As someone who has taken the lines off of several boats of Sjogin's size up to 64foot, allow two days for lifting the lines, and another for the structure. Some of the measurements for the lines also detail the keel and stems as well. Have someone take lots of photo's, and make rough dimensioned sketches of EVERYTHING. Chalk on the hull to highlight details on the photos, and try to have the photos replicate the rough sketches. It is vital that you document everything, as someone else will be drawing from your data. It is easier if you are working from the data, 'cos you remember what you intended and drew, but they do not have your memories.

[SBrookman]

Re: The Measurement of Sjogin

Russ, I don't have my July schedule yet, so the best I can commit to is that I might be able to make it down. Let us know what you need, as in how many bodies to get the job done.

Even if you don't need me for measuring I still need to get the sharpie in salt water and see your Sjogin this summer sometime.

[htom]

Re: The Measurement of Sjogin

If possible, the photos should be taken with a light source off to one side, to give better shadows and depths. External flash, or a work light.

[Russ Manheimer]

Re: The Measurement of Sjogin

Thanks all. and rest assured there will be plenty of pics.

Steve,

Let me know your shcedule when you Can. She's usually out for at least four weeks so I'm flexible with regards to a Measurement weekend. I'll be at the WBS next week and see if I can press some volunteers.

Russ

[SBrookman]

Re: The Measurement of Sjogin

[QUOTE][Let me know your shcedule when you Can. She's usually out for at least four weeks so I'm flexible with regards to a Measurement weekend. I'll be at the WBS next week and see if I can press some volunteers./QUOTE]

Russ, I have a few days off around the 25th. Let me know if and when you need me for measuring or if just for moral support. If for measuring I'll leave Vika at home, if not I'll bring her down for the day.
I trust you enjoyed Mystic. We missed it this time, been hitting it every other year.

[donald branscom]

Re: The Measurement of Sjogin

If there are plenty of photos and plans, I could then build a model of the boat this winter.

[Russ Manheimer]

Re: The Measurement of Sjogin

Hi All,

It looks like the last week of July will work best. I'll have Sjogin in a shed starting on the 22nd or so. I'm still looking at the lines method described by Fuller and friends as well as the ones described by Messrs's Vivier and Gartside. I'll try to put a program and parts list together and offer here for advice. I also have MMDs earlier summary of what's involved. Gulp.

Any thoughts as to the minimum number of stations, waterlines, buttocks ets? Sjogins frames are on 2 foot centers and I'd to set up a station for each

Thanks,

Russ

[Jim Ledger]

Re: The Measurement of Sjogin

Russ, I've been thinking about your idea of using the inside corners of the laps for reference points when plotting the stations. This will have the advantage of plotting the lining-off, as you say, and provides a set of points in the proper spatial relation to one another. However, doing it that way removes the possibility of using buttocks or diagonals. On a fairly small hull with heavy lap lines it would probably be impossible to get meaningful numbers for these planes anyway, and probably not necessary if the stations are accurately recorded.

Two foot sounds reasonable.

[Peerie Maa]

Re: The Measurement of Sjogin

Russ, I've been thinking about your idea of using the inside corners of the laps for reference points when plotting the stations. This will have the advantage of plotting the lining-off, as you say, and provides a set of points in the proper spatial relation to one another. However, doing it that way removes the possibility of using buttocks or diagonals. On a fairly small hull with heavy lap lines it would probably be impossible to get meaningful numbers for these planes anyway, and probably not necessary if the stations are accurately recorded.

Two foot sounds reasonable.

This is a good strategy. If you make one of these angle gauges (it uses a plumb bob):

You can record the slope of the planks as well, giving even more data to guide the lofting.

[RodB]

Re: The Measurement of Sjogin

Russ,

I have one of the SmartTool angle gauges from MD Building products... and you are welcome to borrow it if you need it. You just calibrate it on a table or relatively horizontal and vertical surface... and its accurate to 1/10 of a degree. Its pretty cool if you just want to know accurate angles out in space... I bought it when I wanted to know angles on a boat I was taking measurements on. If you set Sjogin up level, it would be of value I would think.

Let me know if you need it.



RodB