Hobie 21 Sport Cruiser Assembly Manual Download Page 3

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This assembly manual takes you step-
by-step through the setting-up and
sailing of your new HOBIE 21 SC

This manual will help you understand
each part in detail.

Setting up your

Hobie 21 SC

PAGE

Framing the Hulls ..............................

2-3

Lacing the Trampoline, Main ................

Bow Spreader ......................................

Lacing the Trampoline, Front ...............

Cat Cabin .............................................

Wings ................................................

6-7

Rudders................................................

Tiller Cross Bar and Extensions ...........

Centerboards........................................

Drain Plugs.........................................

Mast...............................................

10-11

Preparing the Mast........................

12-14

Mast Stepper.................................

15-16

Boom Installation................................

The Jib ..........................................

18-19

The Main Sail ................................

19-20

Downhaul and Outhaul.......................

Hull Storage Hatches .........................

The Tent (option) ...........................

21-22

Motor Mount (option) ..........................

Jennaker (option) ...............................

Sailing your

Hobie 21 SC

...........

PAGE

Topping LIft...............................................

Furling the Mainsail..................................

Righting the Cruiser .................................

Trailering...................................................

Comptip Maintenance..............................

Routine Maintenance .........................

24-25

Safety........................................................

Sailing Basics......................................

27-30

Safety tips ..................................

Back page

HOBIE 21 SPORT
CRUISER ASSEMBLY MANUAL

Summary of Contents for 21 Sport Cruiser

Page 1: ......

Page 2: ...ears we recommend that you read this thoroughly before your first sail and TRY IT OUR WAY FIRST If you are new to sailing this manual alone is not intended to teach you how to sail There are many excellent books videos and courses on the safe handling of small sailboats We suggest that you contact your local sailboat dealer college or Coast Guard Auxiliary for recommendations Watch for overhead wi...

Page 3: ...er Cross Bar and Extensions 8 Centerboards 9 Drain Plugs 10 Mast 10 11 Preparing the Mast 12 14 Mast Stepper 15 16 Boom Installation 17 The Jib 18 19 The Main Sail 19 20 Downhaul and Outhaul 20 Hull Storage Hatches 21 The Tent option 21 22 Motor Mount option 22 Jennaker option 26 Sailing your Hobie 21 SC PAGE Topping LIft 23 Furling the Mainsail 23 Righting the Cruiser 23 Trailering 24 Comptip Mai...

Page 4: ...AND 2 ARE OF EQUAL DISTANCE WIDTH APART 8 6 FIGURE 1 1 2A INSTALL MAIN TRAMPOLINE INTO LOWER SLOT OF FORWARD CROSS BAR FIGURE 2 1 3 INSTALL FRONT CROSSBAR SEE NEXT PAGE FOR DIAGRAM NOTE READ ALL INSTRUCTIONS PRIOR TO ASSEMBLY TRAMPOLINE INSTALLATION SLIDE INTO TRAMP TRACKS BEFORE MOUNTING THE X BAR TO THE HULLS 8 6 FIGURE 1 FIGURE 2 2 ...

Page 5: ... DAMAGE THE BOLT AND TAPPED HOLE THREADS APPLY ANTI SEIZE PRIOR TO INSTALLING PREVENTS THREAD DAMAGE 4 BOLTS INSTALL IN REAR BAR 2 INSTALLING CROSS BAR BOLTS Applies to both front and rear cross bars 3 8 X 3 4 WASHERS FROM RIG KIT FRONT BAR STDB OUTBOARD APPLY RTV SEALANT AROUND HOLES PRIOR TO INSTALLATION STBD HULL OUTBOARD FIGURE 3 ...

Page 6: ...as far aft as possible Using soapy water helps with the installation of the tramp 3 2 Place tramp lace bar in tramp as shown below FIGURE 4 3 3 Follow the rear X bar lacing diagram Figure 5 NOTE Tighten tramp to individual preference Do not use any tramp tightening device This may cause damage to the tramp INSERT ROD IN AFT LOOP OF THE TRAMP AS SHOWN FIGURE 5 FIGURE 4 ...

Page 7: ...then inserts into the forward trampoline track Slide the tramp track forward leave loose until cat cabin is fully installed After the cat cabin has been fully tensioned down pull the tramp forward until taunt to slugs in forward spreader bar INSTALLATION HINT USE SOAPY WATER TO HELP INSTALL THE TRAMPOLINE FOLLOW THE LACING SEQUENCE SHOWN ABOVE TIE BOWLINE KNOT HERE FIGURE 6 6 21 SPORT CRUISER FWD ...

Page 8: ...nto the legs All parts are pre drilled so the holes should line up properly Rivet the seat onto the legs using rivets and rivet caps FIGURE 9 FIGURE 8 FIGURE 9 7 CAT CABIN FRONT TRAMPOLINE MUST BE LOOSE POSITION BOX OVER FRONT CROSSBAR EASE DOWN OVER CROSSBAR STUDS IN THE BOTTOM OF CAT CABIN PASS THRU THE TRAMPOLINE SLOTS REMOVE TWO BLACK PLATES FOUR BLACK LOCK KNOBS AND LOCK WASHERS FROM RIG KIT ...

Page 9: ...y insert the wings will result in hull and or wing damage You have inserted the wings completely when the band of tape on the outboard side of each insertion tube aligns with the top of the hull deck 8 5 To insert the wings simply work the leg tubes into the hull sockets an inch or so at a time Push one leg of the wing into the tube then the other and continue alternating until both sides are comp...

Page 10: ...g FIGURE 13 9 6 Repeat step 4 5 for the upper gudgeon FIGURE 13 9 7 Secure the top of the rudder pin with a second cotter pin FIGURE 13 9 8 Repeat for the other rudder assembly 10 TILLER CROSSBAR 10 1 Place the red dot end left of the tiller crossbar on the red dot left rudder 10 2 Insert the tiller crossbar onto the rudder arm pin so that the crossbar sets on top of the arm 10 3 Capture the tille...

Page 11: ... is fully extended it should reach 19 1 2 inches 49 5cm as measured from the bottom of the hull to the tip of the board When the board is fully retracted the centerboard line should measure 21 1 2 inches 51 6cm from the deck to the underside of the centerboard handle To raise the board pull up on the handle and slide the line into the key slot just below the last figure eight knot FIGURE 16 NYLOCK...

Page 12: ...e to the diamond wire tang located below the mast tang Use a clevis pin and a cotter pin to secure the wire FIGURE 20 13 3 Secure the diamond wire in the spreader arm slot with large cotter pins FIGURE 20 13 4 Completely cover all cotter pins with tape to protect the sails 13 5 Loosen the locknuts at each end of the turnbuckle and expand the turnbuckle keeping the threads in view inside the barrel...

Page 13: ...ghtening 13 8 Locate the shroud wires and the upper forestay wire Place the three wires on the large bell shackle The upper forestay wire should be positioned between shroud wires FIGURE 21 13 9 Put the pin of the large shackle through the bottom hole on the mast tang After tightening secure the shackle pin to the shackle with safety wire to prevent the pin from backing out FIGURE 21 13 10 Place t...

Page 14: ...n raising the mast 14 2 Attach the jib halyard line to each end of the jib halyard wire to form a very large loop The halyard line must be connected to the halyard wire before the mast is raised or you will lose access to it when the mast is raised FIGURE 23 14 3 Place the mast base over the mast step ball located on the front crossbar and insert the mast step pin through the entire assembly The p...

Page 15: ... the right shroud and shroud adjuster 15 TRAPEZE WIRES 15 1 Untie and clear the trapeze wires 15 2 Lead the trapeze shock cord through the grommets on the outboard side of the trampoline then under the trampoline and through the opposite grommets 15 3 Arrange the trapeze wires so they lead outside of the shrouds Then tie the line to the J H handle with a bowline knot After the line is led through ...

Page 16: ...n that for racing This is to reduce pressure on the quick release pin so that it may be removed more easily to extend the shroud 16 3 Attach the other end of the shroud extender wire assembly to the shroud per the drawing You may have to strip the wire coating in order that the clamp will slide on the shroud Note The final tension of the shrouds and shroud adjustment will vary according to persona...

Page 17: ...s prior to installing and using the mast stepper Also watch the video for complete operating procedures 18 1 Rigging the mast stepper Follow the diagram below for rigging front XBAR Follow number sequence Fig32 33 are preinstalled FIGURE 35 FIGURE 34 FIGURE 33 FIGURE 32 15 ...

Page 18: ...e at the base of the mast 3 Tie a loop near the end of the snap hook and run the remainder of the line through the trapeze thimble Take up the slack and tie it off Leave a small amount of slack in the bridles as it will get tighter as the mast is stepped Be sure to check all connection wires etc for safety See that the trapeze wires to the stepper pole prevent the mast from swinging from port to s...

Page 19: ...nd ring FIGURE 38 20 3 Release the tension on the mainsheet and move the traveller to the right side Repeat to tighten the right shroud 20 4 Release the tension on the mainsheet when the tightening procedure is finished and return the boom to its normal position NOTE Whenever the boat is set up tightening will be required to achieve proper shroud tension 19 BOOM INSTALLATION Push gooseneck pin thr...

Page 20: ... the jib halyard line and at the same time advancing the zipper down the luff until the jib tack can be attached to the shackle on the neck of the roller furler housing FIGURE 41 21 JIB BLOCKS 21 1 Remove the end stop of the left jib track located on the hull Insert one of the jib blocks into the track with the slide adjustment on the block facing the rear of the boat FIGURE 39 21 2 Insert the end...

Page 21: ...l could lead to a tear in the sail fabric when the battens are pushed into their pockets 23 2 Place the battens next to the proper pocket 23 3 Insert the battens flat end first 23 4 Tie each batten as shown FIGURE 44 FIGURE 43 FIGURE 42 19 JIB SHOULD ONLY BE TENSIONED WHEN THE MAIN IS SHEETED TIGHTLY 22 6 Attach the jib clew blocks to the jib clew plate using a shackle FIGURE 42 22 7 Attach the ji...

Page 22: ...e sail If the sail binds in the track back it down a bit then continue pulling up Coating the luff with a sail lubricant will make raising the sail easier It is recommended that this be done on a periodic basis to prevent the luff from binding A sail feeder can also be installed on the mast if desired 23 11 Hoist the sail fully run halyard around the cleat through the block apply tension and tie o...

Page 23: ... degree position to assure a secure seal CAUTION The T bar may contact items stored in the hull or the lip of the storage compartment and not move to the full 90 degree position before the hatch is tightened The lever can be tightened in this position and not secure the lid FOURTH Continue turning the locking lever in the clockwise direction until the gaskets are partly compressed It is not necess...

Page 24: ...MOUNT INSTRUCTIONS 1 CLAMP MOTOR MOUNT ON C L OF REAR CROSSBAR AS SHOWN BELOW 2 USING HOLES IN MOTOR MOUNT CASTINGS AS A DRILL GUIDE DRILL HOLES IN CROSSBAR WITH A 11 DRILL BIT AND SECURE IN PLACE WITH RIVETS SUPPLIED ONCE CLAMPED IN POSITION DRILL AND RIVET TO SECURE THEN RELEASE THE CLAMP KICK UP BLOCK IN DOWN POSITION CLAMP IN POSITION WITH THE SHAFT IN THE DOWN POSITION AND PARALLEL TO THE WAT...

Page 25: ...ght Detach the topping lift and your sailing RIGHTING THE 21 CRUISER The 21 will right quite easily when using the mast float and standard shroud extender system along with a righting line Keep a minimum of 15 of line available to right the boat When capsized the mast float is designed to keep the boat from turtling Climb up to the upper shroud and remove the quick pin With the wind coming perpend...

Page 26: ... in direct sunlight for extended periods Cover the tip whenever it is not in use so ultraviolet rays will not degrade the surface Always trailer the luff track facing up Do not allow mast tie downs to touch the luff track Use a minimum of 1 1 2 of soft padding around the mast tip and place the padding between the luff track and any tie down lines When storing the mast be sure the luff track is fac...

Page 27: ...ng water in those areas could cause hull damage Regular cleaning waxing and polishing will keep your boat looking good for years to come REMEMBER TO SEND IN YOUR WARRANTY CARD 32 SAFETY EVERY SAILOR MUST TAKE RESPONSIBILITY FOR INSURING THEIR SAFETY AS WELL AS THEIR PASSENGERS SAFETY ON THE WATER 32 1 Always wear a personal flotation device PFD and make sure that your crew does the same 32 2 Never...

Page 28: ...ling You may broad reach with he Jenniker but undu stress may be caused if attempting to sail on a close reach or in higher winds FURLER AND BRIDLES Install furler and bridles onto forward bow tangs Wind the furler line into the drum Install using jib system as guide FURLER CLEAT Install furler cleat onto Cat Cabin next to and left of existing jib furler cleat HALYARD BLOCK AND CLEAT Install swive...

Page 29: ...he sail Follow the diagram of sail and course adjustments above using the tell tails to get the most performance out of the sail for all angles of sailing The tell tails react to air flowing over the sail and will help you see that the sail is pulled in too tight or too loosely If you pull the sail too tight you will stall the sail power Ease the sail out until it luffs then pull it in just a litt...

Page 30: ...ind direction onto the new point of sail Trim the sail correctly for the desired point of sail LAUNCHING THE BOAT Launching the boat is easiest when the boat can be pointed into the wind to keep it de powered and floated into deep enough water to lower the rudders It is possible to launch in shallow water with the rudders partly up Try not to steer with too much force on the rudders until you lock...

Page 31: ... and stall the boat Raise the rudders and drift back onto the beach Always keep the boat pointed into the wind while beached and keep the sail trimmed out and un cleated RUDDER TUNING You may adjust the rake of your rudder blades on your Hobie 21 SC The amount of rake in a rudder blade affects the feel at the tiller Basically more forward blade rake neutralizes the pull on the tiller and less forw...

Page 32: ...he life of the trailer LAUNCHING AND RETRIEVING Prepare boat for launching at the top of the ramp or parking facility Remove all tie down straps check boat plugs and fasten boat painter Do not release winch line until the boat is in the water Back trailer to the left if possible backing left gives better launching visibility Avoid dunking wheel bearings wherever possible Never leave the towing veh...

Page 33: ... hold onto the boat and not let it get away Learn the right of way rules and when in doubt give way to others When trailering the 21 Sport Cruiser be sure to tie the boat and all the loose parts to the trailer in a secure manner Stop and check the tie downs often Hobie Cat does not recommend leaving the 21 Sport Cruiser in the water on a mooring Accelerated wear to the boat and rigging will be exp...

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Hobie 21 Sport Cruiser, Assembly Manual

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