Running rigging by boat
Use the published factory sizes and lengths below as a starting point, then open a line preloaded in our custom running-rigging builder.
Morgan Out Island 415 Ketch; calculated from I = 49 ft and PY = 34 ft
Calculated standard option - YachtMaster XS
Spar manufacturerNot stated in source manual
Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. The ketch PY = 34 ft was supplied by OnBoard; confirm the exact rig because the linked 415 record describes the sloop.
| Line | Qty. | Published length | Diameter | Original material | Order |
|---|---|---|---|---|---|
| Main halyard | 1 | 118 ft | 1/2 in (12 mm) | YachtMaster XS standard optionYachtMaster XS standard option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. Finished with a standard halyard shackle at one end. | Build recommended replacement |
| Jib halyard | 1 | 118 ft | 1/2 in (12 mm) | YachtMaster XS standard optionYachtMaster XS standard option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. Finished with an eye splice at one end. | Build recommended replacement |
| Spare jib halyard | 1 | 118 ft | 1/2 in (12 mm) | YachtMaster XS standard optionYachtMaster XS standard option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. Uses the jib-halyard length and an eye splice at one end. | Build recommended replacement |
| Topping lift | 1 | 118 ft | 3/8 in (10 mm) | YachtMaster XS utility-line recommendationConservative placeholder using the same 2 x I + 20 ft allowance as the halyards. This topping-lift formula still needs owner confirmation. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. | Build recommended replacement |
| Mainsheet | 1 | 80 ft | 1/2 in (12 mm) | YachtMaster XS standard optionYachtMaster XS standard option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. OnBoard supplied an 80 ft starting length. | Build recommended replacement |
| Mizzen halyard | 1 | 88 ft | 7/16 in (11 mm) | YachtMaster XS standard optionYachtMaster XS standard option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. Calculated from PY and finished with a standard halyard shackle at one end. | Build recommended replacement |
| Spare mizzen halyard | 1 | 88 ft | 7/16 in (11 mm) | YachtMaster XS standard optionYachtMaster XS standard option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. Uses the calculated mizzen-halyard length and an eye splice at one end. | Build recommended replacement |
| Mizzen sheet | 1 | 60 ft | 7/16 in (11 mm) | YachtMaster XS standard optionYachtMaster XS standard option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. OnBoard supplied a 60 ft starting length for ketch models. | Build recommended replacement |
| Jib sheets - total rope for pair | 1 | 123 ft | 1/2 in (12 mm) | YachtMaster XS standard optionYachtMaster XS standard option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. The 123 ft preset is the combined rope allowance for both sheets; divide or finish it to match the boat's installed arrangement. | Build recommended replacement |
Morgan Out Island 415 Ketch; same calculated lengths with lower-stretch SuperSpeed recommendations
Calculated performance option - SuperSpeed one size smaller
Spar manufacturerNot stated in source manual
SuperSpeed's high-strength, low-stretch construction allows the recommended diameter to be reduced by 1 mm here while retaining a performance-oriented replacement. Smaller does not mean lower quality. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. The ketch PY = 34 ft was supplied by OnBoard; confirm the exact rig because the linked 415 record describes the sloop.
| Line | Qty. | Published length | Diameter | Original material | Order |
|---|---|---|---|---|---|
| Main halyard | 1 | 118 ft | 7/16 in (11 mm) | SuperSpeed performance optionSuperSpeed performance option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. Finished with a standard halyard shackle at one end. | Build recommended replacement |
| Jib halyard | 1 | 118 ft | 7/16 in (11 mm) | SuperSpeed performance optionSuperSpeed performance option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. Finished with an eye splice at one end. | Build recommended replacement |
| Spare jib halyard | 1 | 118 ft | 7/16 in (11 mm) | SuperSpeed performance optionSuperSpeed performance option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. Uses the jib-halyard length and an eye splice at one end. | Build recommended replacement |
| Topping lift | 1 | 118 ft | 3/8 in (10 mm) | YachtMaster XS utility-line recommendationConservative placeholder using the same 2 x I + 20 ft allowance as the halyards. This topping-lift formula still needs owner confirmation. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. | Build recommended replacement |
| Mainsheet | 1 | 80 ft | 7/16 in (11 mm) | SuperSpeed performance optionSuperSpeed performance option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. OnBoard supplied an 80 ft starting length. | Build recommended replacement |
| Mizzen halyard | 1 | 88 ft | 3/8 in (10 mm) | SuperSpeed performance optionSuperSpeed performance option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. Calculated from PY and finished with a standard halyard shackle at one end. | Build recommended replacement |
| Spare mizzen halyard | 1 | 88 ft | 3/8 in (10 mm) | SuperSpeed performance optionSuperSpeed performance option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. Uses the calculated mizzen-halyard length and an eye splice at one end. | Build recommended replacement |
| Mizzen sheet | 1 | 60 ft | 3/8 in (10 mm) | SuperSpeed performance optionSuperSpeed performance option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. OnBoard supplied a 60 ft starting length for ketch models. | Build recommended replacement |
| Jib sheets - total rope for pair | 1 | 123 ft | 7/16 in (11 mm) | SuperSpeed performance optionSuperSpeed performance option. Calculated starting point supplied by OnBoard Marine Goods: main and jib halyards are 2 x I + 20 ft; jib-sheet rope is 41 x 3 = 123 ft total; mizzen halyards are 2 x PY + 20 ft. These are not factory running-rigging specifications. Measure the existing line and confirm mast, deck routing, and end fittings before ordering. The 123 ft preset is the combined rope allowance for both sheets; divide or finish it to match the boat's installed arrangement. | Build recommended replacement |