Lofting Help Please

[ccx2]

Hey Peoples, Im trying to figure out how to loft the Mold Frames or Station frames or Sections looking from fore/aft or whatever you call them on a 15' 9" Ben Garvey. Jim Budde/ Bob Smalser put me on a website that got me going in the right direction and i dont see any problem lofting the panels for the side / bottom, seems easy enoughf, strke a Baseline and measure down the stations for the Sheer, Chine,Keel, and draw the Batten lines. What i dont understand is to loft the Station Frames , do you use a Picking stick and measure from a Centerline as described on the website? if so , my plans dont show where to mark the centerline or what station on the Planview after it is lofted. I havent studied yet how to use the Picking stick but it doesnt look to hard if i could figure where to use it from. Is this something i should bother the designer with?

[paladin]

Whose plans are you working from? and can you post the page with the drawings and offsets so that we can see what you're working with. Otherwise, we have to make some guesses...

[ccx2]

Whose plans are you working from? and can you post the page with the drawings and offsets so that we can see what you're working with. Otherwise, we have to make some guesses...

WB plan #126........The Designer is Doug Hylan of Brooklin,ME....D.N.Hylan & Assoc....I dont know how to post the page and it says on the plans they might come and get me or something if i reprint:)

[Jim Ledger]

Pick one of the midship station lines on the profile view to be the centerline of the body plan, it doesn't really matter which one.

A pick-up stick is really only a homemade ruler with only the measurements you need marked on it. Go to the plan view and lay the stick on a station line, with the end of the stick on the centerline. Mark and label where the chine, sheer and rabbet intersect the station. Take the stick over to the body plan and put the end of the stick on the centerline that you chose earlier. This will give you the distances out from the centerline for those three points. Now you need the heights above the baseline for the same three points to establish their exact location. Do this with another stick, using the profile plan this time. Lay the end of the stick on the baseline and mark the heights of the points, then take the stick to the body plan and use it to transfer the distances.

Using the two sticks in combination allows you to transfer the height above the baseline and the distance out from the centerline for any point you wish.

I hope this is what you're asking.:D

[patrick.blanchard]

...or use all 4 sides of 1 stick for for the whole boat.

[gregleeber]

pics please

[Jim Ledger]

...or use all 4 sides of 1 stick for for the whole boat.

You're better off using a separate stick for each station, maybe doing heights on one side and half-breadths on the other, clearly labeling each side of each stick with Magic Marker, Sta. 2 heights, Sta. 4 widths, etc.

Sticks are cheap and things are confusing enough without crowding the sticks up with too many marks.

[ccx2]

Pick one of the midship station lines on the profile view to be the centerline of the body plan, it doesn't really matter which one.

A pick-up stick is really only a homemade ruler with only the measurements you need marked on it. Go to the plan view and lay the stick on a station line, with the end of the stick on the centerline. Mark and label where the chine, sheer and rabbet intersect the station. Take the stick over to the body plan and put the end of the stick on the centerline that you chose earlier. This will give you the distances out from the centerline for those three points. Now you need the heights above the baseline for the same three points to establish their exact location. Do this with another stick, using the profile plan this time. Lay the end of the stick on the baseline and mark the heights of the points, then take the stick to the body plan and use it to transfer the distances.

Using the two sticks in combination allows you to transfer the height above the baseline and the distance out from the centerline for any point you wish.

I hope this is what you're asking.:D

Jim, my plan veiw [looking down at half the bottom]only shows a centerline,chine, sheer, so after taking these marks i take them to the bodyplan or what i have learned is called the profile plan lay the stick along the baseline with the end on the centerline and mark the widths on the baseline? then take the stick to the same station on the profile plan and mark the sheer, chine, keel, and measure those down from the centerline on the bodyveiw and where they meet make the mark and draw lines from there? If yes couldnt you use a seperate baseline/ centerline on another drawing rather than drawing over the profile veiw plan? Hope i havent confused you.

[norseman]

I prefer a roll of paper, you know the type for calculator/cash register or what you call it. Very accurate,foolproof and quick.
If you have access to older Water Craft, look for Greg Røssels lofting series.

[ccx2]

pics please
Pics of what? i dont know how to pics on computer yet, thats another lesson for later:)

[ccx2]

You're better off using a separate stick for each station, maybe doing heights on one side and half-breadths on the other, clearly labeling each side of each stick with Magic Marker, Sta. 2 heights, Sta. 4 widths, etc.

Sticks are cheap and things are confusing enough without crowding the sticks up with too many marks.

Will do.

[ccx2]

I prefer a roll of paper, you know the type for calculator/cash register or what you call it. Very accurate,foolproof and quick.
If you have access to older Water Craft, look for Greg Røssels lofting series.

Intead of sticks?

[Jim Ledger]

Jim, my plan veiw [looking down at half the bottom]only shows a centerline,chine, sheer, so after taking these marks i take them to the bodyplan or what i have learned is called the profile plan lay the stick along the baseline with the end on the centerline and mark the widths on the baseline? then take the stick to the same station on the profile plan and mark the sheer, chine, keel, and measure those down from the centerline on the bodyveiw and where they meet make the mark and draw lines from there? If yes couldnt you use a seperate baseline/ centerline on another drawing rather than drawing over the profile veiw plan? Hope i havent confused you.

Yes, you certainly could make a separate drawing if you have the space, but you would be wise to use the same baseline, extended.

You could also use the station lines on the profile and draw each section using its own station as a centerline.

Superimposing the stations has the advantage of showing a clear relationship between the molds and allows the chine and sheer to be drawn on the body plan.

Got any pictures?

[ccx2]

Yes, you certainly could make a separate drawing if you have the space, but you would be wise to use the same baseline, extended.

You could also use the station lines on the profile and draw each section using its own station as a centerline.

Superimposing the stations has the advantage of showing a clear relationship between the molds and allows the chine and sheer to be drawn on the body plan.

Got any pictures?
OK THANKS, That helps me immensely and should get me started , i think i understand but i may be back to you:D.. What pictures do you all want? of plans or the build of boat?

[Jim Ledger]

Glad you're back on track.

Any pictures are good. Boats, cars, kids, girlfriends, nobody's too fussy.:D