[ Pobierz całość w formacie PDF ]
Blackfly
St at ions are at 1' intervals
Profil
Body Plan (Sect ional)
Halfbreadths
Diagonals
Const ruction Plan Profile
Construction Plan, aerial
Blackfly – Materials list, and Tables of Offsets
Recommended Construction method: Lapstrake plywood, as described in Iain Oughtred’s book,
Clinker Plywood Boatbuilding, Tom Hill’s Ultralight Boatbuilding and John Brooks’s How to
Build Glued-Lapstrake Wooden Boats (all texts available through the WoodenBoat store at
www.woodenboat.com).
Moulds do not need to be bevelled. Forward moulds should be located aft of the station marks on
the strongback; aft moulds should be located forward of station marks.
Materials:
Keel, Inner----------------------------------- 5/8" cherry, ash, or similar
Keel, Outer---------------------------------- ½" cherry, ash...
Stem, Inner & Outer------------------------ 1 ½” laminated cherry, ash, doug fir, spruce or other
Transom-------------------------------------- 3/4" mahogany, butternut, spanish cedar, or similar
(transom may also be built up from 3/16" ply and solid frame)
Planking-------------------------------------- 3/16" marine-grade okoume plywood, or similar.
Bottom planks (garboard, broadstrake and third plank) may be gotten out of 1/4" ply for added
strength. If weight is not a concern, 1/4" may be used throughout.
Rubrails--------------------------------------- 3/4" Cherry, ash...
Gunwale-------------------------------------- 5/8" X 3/4" Cherry, or similar
Sheer clamp (inwale)------------------------ ½” X 5/8" spruce
Sheer clamp spacer blocks------------------ 3/8" spruce
Floor frames --------------------------------- 1" White cedar
Breasthook----------------------------------- 7/8" cherry, ash...
Quarter knees-------------------------------- 5/8" Cherry, ash...
Mast thwart---------------------------------- 7/8" Cherry, ash...
Middle thwart and support----------------- 3/4" Butternut, mahogany, or other lightweight
wood. Thwart may be narrowed to save weight, but not reduced in thickness.
Canoe-style thwart, forward---------------- 7/8" X 2" cherry, ash...
Removable thwart (aft)--------------------- 3/4" Butternut, mahogany or similar
Risers------------------------------------------ 3/4" cherry, ash...
Daggerboard trunk--------------------------- 3/16" ply panels, with cedar spacers and cherry (or
other) braces & cap.
Rudder----------------------------------------- 5/8" mahogany, or similar
Daggerboard---------------------------------- 3/4" mahogany, or similar
Tiller------------------------------------------- 5/8" laminated ash, cherry.....
Offsets
Offsets in feet- inches-eighths to the inside of the planking
Heights above baseline
Buttocks spaced at 6" intervals from CL
STA
Sheer
Butt18
Butt12
Butt6
Keel
0
1-10-2
-
-
-
0-11-0
1
1-8-7 +
-
-
0-10-7 +
0-2-1 +
2
1-7-6
-
0-11-7
0-4-3 +
0-1-4 +
3
1-6-6
-
0-5-6
0-2-6
0-0-7
4
1-6-0
0-7-5 +
0-3-5
0-1-6
0-0-4
5
1-5-3
0-4-5 +
0-2-5
0-1-3
0-0-2
6
1-4-7 +
0-3-3
0-1-7 +
0-1-0
0-0-1
7
1-4-5
0-2-4 +
0-1-3 +
0-0-6
0-0-0
8
1-4-4
0-2-5
0-1-4
0-0-6
0-0-0
9
1-4-4 +
0-3-3
0-1-6 +
0-1-0+
0-0-2 +
10
1-4-6
0-4-4
0-2-5
0-1-6+
0-1-1
11
1-5-0
0-6-2 +
0-3-7
0-3-0 +
0-2-2 +
12
1-5-3 +
0-8-5
0-5-3
0-4-3
0-3-5
13
1-6-1
1-0-6
0-7-5
0-5-7 +
0-5-1 +
14
1-7-0
-
0-10-0
0-8-0
0-7-0
[ Pobierz całość w formacie PDF ]