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INSTALLATION MANUAL

Compatible rod sizes, rod and luff-extrusion length calculations, and assembly of the Selden Furlex 200 S, 300 S, 400 S and 500 S on a rod forestay. It replaces the corresponding chapters of the 200 S & 300 S and 400 S & 500 S manuals.

DocumentSelden Furlex 200S, 300S, 400S & 500S with Rod Forestay Installation Manual
FormatPDF · 28 pages · 1.4 MB
LanguageEnglish
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Selden Furlex 200S, 300S, 400S & 500S with Rod Forestay — Installation Manual

Compatible Rod Sizes & Limits

Furlex Forestay Rod dimension Max. righting moment at 30° heel (Nm) masthead / partial Approx. displacement (tons) masthead / partial
200 S 6, 7, 8 mm -8 (Ø 5.7 mm), -10 (Ø 6.4 mm), -12 (Ø 7.1 mm), -15 (Ø 7.5 mm) 37.000 / 40.000 7.5 / 8.0
300 S 8, 10 mm -12, -15, -17 (Ø 8.4 mm), -22 (Ø 9.5 mm) 70.000 / 75.000 14 / 15
400 S 12, 14 mm -22, -30 (Ø 11.1 mm), -40 (Ø 12.7 mm) 180.000 / 190.000 28 / 30
500 S 16 mm -40, -48 (Ø 14.3 mm) 230.000 / 250.000 38 / 40
  • All sizes are listed for Navtec, OYS (Riggarna) and BSI rod. With OYS -15 on the 200 S the rod male part is too large to pass through the extrusions: the upper head is cold-headed after the stay is pulled through, so the extrusion must be 200 mm (8') shorter than the stay at the top (less sail space) and the system is built by the rod manufacturer.
  • OYS upper eye terminals must be the MYENA type (type MYEA cannot be used).
  • Screws on halyard swivel and lower bearing: M 5 T 25, M 6 T 30, M 8 T 40 (Torx); M 10 8 mm, M 12 10 mm (Allen).
  • Section 3.3.2 of the PDF gives the top eye terminal dimensions (TET / TED / TEL) for each rod size and make.

What Is Supplied

  • Halyard leads: 200 S 2 x 508-159 (4 screws); 300 S and 400 S 2 x 508-128 (6 screws), drill bit Ø 5.3 mm (7/32"). 500 S: no leads – a halyard sheave box must be used.
  • Stanchion blocks: 200 S 4 x 538-971-02; 300 S 4 x 538-210-01 + 1 x 538-971-01; 400 S & 500 S 6 x 538-210-01.
  • Foil pack: one 1000 mm (39 3/8") extrusion, one 2000 mm (78 3/4") extrusion with slotted distance tube, 2400 mm (94 1/2") extrusions (500 S: 4800 mm (189")), sail feeder (500 S: cut into the 1000 mm extrusion), connecting plates; 200S & 300 S locking pin Ø 3 x 25; 400 S & 500 S 2 bushes.
  • Joining sleeve pack: long joining sleeve with insulator (not 500 S), short joining sleeves with insulators, bearing plug (400 S & 500 S), socket and seat (500 S: one part).
  • Tools: Torx set (200/300 S); 400 S & 500 S also Allen keys 8 (5/16") and 10 mm (3/8"); 30 m steel tape.

Rod & Luff Extrusion Calculation

Table 1: WL = FL – T – H (links or extra toggles). Example (Navtec -8, rigging screw 50% extended): 13.000 – 190 = 12.810.

Furlex Rod Navtec OYS (Riggarna) BSI T without rigging screw T with rigging screw
200 S -8 (ø 5,7 mm) • • • 110 mm (4 5/16") 190 mm (7 1/2")
200 S -10 (ø 6,4 mm) • • • 110 mm (4 5/16") 190 mm (7 1/2")
200 S -12 (ø 7,1 mm) • – • 110 mm (4 5/16") 190 mm (7 1/2")
200 S -15 (ø 7,5 mm) • • • 110 mm (4 5/16") 190 mm (7 1/2")
300 S -12 (ø 7,1 mm) • – • 130 mm (5 1/8") 230 mm (9 1/16")
300 S -15 (ø 7,5 mm) – • • 130 mm (5 1/8") 230 mm (9 1/16")
300 S -17 (ø 8,4 mm) • – • 130 mm (5 1/8") 235 mm (9 1/4")
300 S -22 (ø 9,5 mm) • • • 130 mm (5 1/8") 235 mm (9 1/4")
400 S -22 (ø 9,5 mm) • • • 130 mm (5 1/8") 235 mm (9 1/4")
400 S -30 (ø 11,1 mm) • • • 190 mm (7 1/2") 325 mm (12 7/8")
400 S -40 (ø 12,7 mm) • • • 190 mm (7 1/2") 325 mm (12 7/8")
500 S -40 (ø 12,7 mm) • • – 190 mm (7 1/2") 325 mm (12 7/8")
500 S -48 (ø 14,3 mm) • • • 190 mm (7 1/2") 325 mm (12 7/8")

Table 2: C+D = WL – (A+B); check the terminal length matches section 3.3.2.

Furlex Rod Navtec without / with rigging screw OYS / BSI without / with rigging screw
200 S -8, -10, -12 1320 mm (52") / 1270 mm (50") 1340 mm (52 3/4") / 1290 mm (50 3/4")
200 S -15 (ø 7,5 mm) – 1340 mm (52 3/4") / 1290 mm (50 3/4")
300 S -12, -17, -22 1400 mm (55 1/8") / 1340 mm (52 3/4") 1410 mm (55 1/2") / 1340 mm (52 3/4")
300 S -15 (ø 7,5 mm) – 1410 mm (55 1/2") / 1340 mm (52 3/4")
400 S -22 (ø 9,5 mm) 1400 mm (55 1/8") / 1340 mm (52 3/4") 1410 mm (55 1/2") / 1340 mm (52 3/4")
400 S -30 (ø 11,1 mm) 1450 mm (57") / 1340 mm (52 3/4") 1450 mm (57") / 1340 mm (52 3/4")
400 S -40 (ø 12,7 mm) 1470 mm (58") / 1380 mm (54 1/2") 1470 mm (58") / 1380 mm (54 1/2")
500 S -40 / -48 1395 mm (55") / 1310 mm (51 1/2") 1395 mm (55") / 1310 mm (51 1/2")
  • C = max. number of 2400 mm (94 1/2") extrusions (500 S: 4800 mm (189")) shorter than C+D.
  • D (top extrusion) normally cut from the 2000 mm (78 3/4") extrusion (400 S: 1700 mm (67")); round the cut edges.
  • If D is shorter than 400 mm (15 3/4") (200/300 S), 700 mm (27 9/16") (400 S) or 1000 mm (39 3/8") (500 S): swap the top full-length extrusion for the 2000 mm (400 S: 1700 mm) one and deduct from C / add to D 400 mm (200/300 S), 700 mm (400 S) or 2800 mm (110") (500 S).
  • E (top distance tube) = D – 100 mm (4") 200 S; – 125 mm (5") 300 S; – 150 mm (6") 400 S and 500 S.
  • Example: 12.810 – 1.270 = 11.540; C 9.600 (4 sections); D 1.940; E 1.840.

Assembly

Rod (by the rod supplier)

  1. Cut the rod to WL, form and fit the upper head; fit the eye part temporarily only.
  2. Thread on, from the top: the short joining sleeves (one per 2400 mm extrusion), the long joining sleeve (locking-pin hole towards the socket), 400/500 S bearing plug, socket and seat, each oriented as in the drawing.
  3. Cold-head the lower end and pack the stay with the completed calculation tables.

Luff & lower unit

  • Unscrew the upper eye part and tape the thread. Push each extrusion on from the top over the short sleeves (taped up near the top terminal).
  • 200/300 S: 1000 mm extrusion with long connecting plate and sail feeder, long sleeve flush with the top of the sail feeder; locking pin with locking adhesive. 400/500 S: long sleeve + long plate in a 2400 mm extrusion, 2100 mm (82 11/16") distance tube, bearing plug holes aligned, bushes pressed in.
  • Fit each further extrusion with sleeve and plate; each distance tube ends about half a sleeve length (J) from the extrusion end; the top tube flush with the top.
  • 400 S with -30 or -40: remove the conical top adapter and slide it down the luff before fitting the lower unit (the socket will not pass through it).
  • Halyard swivel down to the sail feeder (taped), top guard screws until they bottom.
  • Discard socket wedge and former; 2–3 drops of locking adhesive and tighten the lower terminal permanently; fit the upper eye permanently.
  • Spacer bush (200/300 S terminal part) or rigging screw extended 50% with all flats aligned; 400 S Ø12 rigging screw uses the adapter tube. Clevis and split pin opened approx. 20°.
  • Adapter screws: 200/300 S into the extrusion holes; 400/500 S align the marking with the adapter top and use locking adhesive, tighten hard with the 10 mm Allen key.
  • Line drum halves (fit after rigging), line guide midway between the flanges and aligned to the first lead block.

Dismantling Notes

  • Pull the upper terminal to bring rod, sleeves and distance tubes out together (200/300 S: push out the locking pin first; 400/500 S: push the stay in until about 50 mm (2") inside the 1000 mm extrusion and knock out the bushes).
  • If corrosion prevents this, drill out the connectors: Ø 6 mm (15/64") for 200 S, Ø 8 mm for 300 S, 400 S and 500 S.
  • Top guard and halyard swivel will not pass over the upper eye on Navtec -10, -12/200, -22, -30, -40 and Riggarna -9.5 mm, -40, -48 unless the eye part is removed; on Navtec -48 / Riggarna -22 the guard's internal flange must be filed. Alternatively remove them from below.

Need a part that isn't listed? Ask us to source it and quote the part number from the PDF.

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