8' - 10' Dinghy NOTE: Deck Camber is actually 5 degrees downwards on Beatrix. This drawing shows it as horizontal.

Transcription

1 Threefold purchase. Place two triple-sheave blocks 3 feet apart, with the hooks or straps facing outboard, positioning the blocks so one is face down and the other is cheek down. Start reeving in the center sheave of one block and finish in the center sheave on the other. Then splice the standing part to the becket. This tackle offers a 6 to 1 mechanical advantage Drill weep hole here ' - 10' Dinghy 18.0 Davit Support Pin (316SS) Top Bushing Bottom Bushing NOTE: Deck Camber is actually 5 degrees downwards on Beatrix. This drawing shows it as horizontal. S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Overall Design 1: 8 1OF 28

2 Single panel athwartships Two panels fore-and-aft Sea Dog SDL Take-apart inge ¾ x 1½ x 3½ SIDE VIEW orizontal Stabilizer 1 orizontal Stabilizer 2 Single panel athwartships Two panels fore-and-aft x 0.25 flat bar 15.0 AFT VIEW NOTE: Deck Camber is actually 5 downwards on Beatrix. This drawing is adjusted for this cam- ber to provide a level solar panel. The solar panel is level at 15 to the orzontal Stabilizer. S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Solar Panel Placement Worksheet 1: 8 2OF 28

3 S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - 80W Solar Panel PDE Inserts 1: 8 3OF 28

4 PowerTech ZM W 1200 x 540 x Curvature at ends allows piece to be rotated in place S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - 80W Solar PDE Inserts Detail 1: 4 4OF 28 UNITS mm

5 10.00 Current dimensions between gussets: fore: 1253mm aft: 1259mm Parallel Dimension: 1257mm S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Stabilizers with 80W Solar Panels (original) 1: 8 5OF 28

6 10.00 Current dimensions between gussets: fore: 1253mm aft: 1259mm Parallel Dimension: 1257mm S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Stabilizers with 80W Panel 1: 8 6OF 28

7 NOTE: In practice the original design was not strong enough without more lateral support, thus the addition of the cross braces (green) and increased width of the internal braces (from ¾ ) 1.5 x 0.75 x rect tube 1.0 x 0.5 x channel NOTE: Stabilizer width depends on the stance of the davits which depends on the installation. Doublecheck on where the davit bases will be installed on your boat. 1/16 or greater aluminum plate 0.75 x 1.5 x rect tube S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Stabilizer with Ends 1: 8 7OF 28

8 S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Stabilizer ole Weight Reduction Plans 1: 8 8OF 28

9 ¼-20 tapped ¼-20 x 4" Pan ead Machine Screw Reid Supply JCL-219 ¼ Plastic Knob Four Prong Two ole S/S Insert Cutouts are purely decorative and can be omitted Delrin End Plate Custom made on computer controlled router by M&I Industries Seattle WA /4" x 3.5" ex Bolt 0.90 alternative Backing Plate: ¼ x ½ rect bar S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Stabilizer Detail 1: 2 9OF 28

10 0.625 Delrin black Note: clip end can optionally be truncated at the dashed line Ø Delrin Spacers for Davit Blocks (2 reqd.) Material: Delrin Black (Note: for old design) Black Delrin Attachment Clips (4 REQUIRED) The critical dimension is in RED. The hole must be drilled as square as possible Ø 6.29 End Plates (2 Required) Milled out of ½ Black Delrin Ø S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Stabilizer Attachment Clips & End Plates 10 OF 28 1: 1

11 Ø x 0.25 flat bar Threaded Base Plate 5/16-18 UNC Solar Panel Support Rail x 1.0 x (alternate rail size) The stabilizer is split in two parts x 0.5 backing plate orizontal Davit Stabilizer (wood or plastic insert) 1.0 x 0.5 x (alternate rail size) Materials List not available in marine grade Al, this is 6063-T52 extruded 1. (2 x 10.0) of 0.25 x 0.5 flat bar 0.5 lb 2. (2 x 10.0) of 0.75 x 1.5 x rectangle tube 1.0 lb 3. (4 x 25) of 1.0 x 0.5 x or (4 x 25.0) of 1.0 x 1.0 x lb USA SOURCING: US$52.00 material + US$42.00 shipping. Shipping limit 42" max L, 72" max L + girth Dimensions: inches S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Stablizer & Solar Support Shop Drawing 1: 8 11 OF

12 S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Photos n/a 12 OF 28

13 Material: 316 SS Nominal 32" X 1.5" Dia Rod, Pipe or Tube turned to specified dimensions. Upper dimension can be shortened if necessary. If tube, need ability to fasten bottom bushing S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Davit Support Pin 1: 4 13 OF 28

14 1.5" Sched Alum. Pipe Inflatable Tube 2'-2" Walker Bay RID 275 Max Beam: 5'8" / 173 cm Beam at Aft Clip Pt: 4'-1" / cm Beam at Fwd Clip Pt: 3'-2" / 96.5 cm LOA: 19' / 275 cm S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Base and Boom Design 1: 8 14 OF 28

15 Ø Ø 6.35 Tab Tabs Required 2 for Dinghy Clips 1 for Lifting Board 0.25 DINGY CLIP (2 REQD.) ` Gap ½-13 UNC STUD (2) 1/8" hole Weld Weld Alternatively this could be a collar instead of a nut and a washer. The point is to allow the knob to be screwed on leaving a gap for a rotating keeper S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Dinghy Clip 15 OF 28 1: 1

16 See Dinghy Clip Page for tab dimensions Ø Ø Fwd 17.65" 8.66 Aft 23-3/8" 0.50 S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Fwd Clip Bar for Walker Bay 8' Dinghy 1: 8 16 OF 28

17 S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - 6-lobe Knobs 1: 2 17 OF 28

18 S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - 4-lobe Knobs 1: 2 18 OF 28

19 Cleat Mounting Plate 1 x 1/4 x 3 Cut from 1 x 1/2 x `/8 channel Backing Plate 2" x 3/8" x 3/4" ARKEN 089 BLK-BULLET IN-LINE EXIT Description In-line exit* Sheave dia. (in) 1 1/8 Length (in) 3 3/4 Weight (oz) 1 3/4 Max. line dia. (in) 5/16 Shackle pin dia. (in) - SWL (lb) 400 Breaking strength (lb) in 1.2 in 2.0 in 4.0 in S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Exit Block Detail 1: 2 19 OF 28

20 1.5" Sched 80 Pipe Ø Ø Weep hole Ø TOE RAIL LINK Ø Cap Rail Direction PORT DAVIT BASE Starboard is mirror image 0.25 Ø 2.00 Ø Ø R STOP COLLAR S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Davit Base Detail 1: 4 20 OF 28

21 R Ø BOOM END (2) Ø Weep hole matches drain channel in boom core. Material is black Delrin (Acetal) or Nylon or D-GLide 1/4-20 machine screw holds bushing onto base of davit boom BOTTOM BUSING (2) TOP BUSING (2) S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Boom End & Bushing Detail 21 OF 28 1: 1

22 Ø 7.50 Mounting Pad Outline R Ø

23 FORWARD STABILIZER CLIP 5/16 NC AFT S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Base Gusset Templates 1 23 OF 28 1: 1

24 STARBOARD OUTBOARD PORT INBOARD STARBOARD INBOARD PORT OUTBOARD S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Base Gusset Templates 2 24 OF 28 1: 1

25 Ø 9.53 Ø 7.89 S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Backing Plate Template 25 OF 28 1: 1

26 S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Toe Rail Template 26 OF 28 1: 1

27 Waterjet Cutting Exit Blocks (2), Triple Block (4) Aluminum Powder Coating Stainless Pins Lathe work on Stainless Pins Delrin Lathe work on Bushings $150 $148 $64 $110 $60 $80 $20? S/V BEATRIX - KELLY-PETERSON 44 #286 (1980) Removable Davits - Costs 1: 2 27 OF 28

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