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Model Shipways H.M.S. Bounty's Launch 1789, Инструкция по эксплуатации

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In this stage we will complete the interior structural members and
details.  These include the sheer clamps, thwart risers, windlass
keepers, mast steps, cap rails and thwarts.  Study the plans to 
familiarize yourself with these parts.

1.  Fitting the ’tween frames and cant frames

The launch was built with more frames than we have currently
installed.  Frames 4 through 15 have an additional frame installed
between each frame called the “tween frames.  Also the bow of the
boat is fitted with angled frames called cant frames.  Prepare a 
quantity of frame lengths, soak and heat them just as we did for the
previous frames and push them in place between the frames.  These
should bend easily and are held in place to dry by clamping them to
the sheer strake as shown in photo 18.

Mark the location of the cant frames at the sheer and bend them in
place placing their bottom ends at the slots in the keel.   These ends
need not fit in the slots as the slots are laser cut straight across the
keel and the cant frames meet them at an angle.  The slots are there
just for the convenience of locating the heel end of the cant frames.
Bevel the heel ends of the cant frames to fit flush against the keel.
This area of the hull will not be seen once we are finished.  When
the frames have dried, sand them if you wish and glue them in
place.  We now have 26 frames port and starboard for a total of 52.
Now is the time to clean up any glue gobs.  Very little of the frames

are visible in the finished model.  Review the plans and photos and
concentrate on those areas of frame and plank that will be visible.

2.  Installing the sheer clamps

The sheer clamps are 3/32 x 3/16 basswood strips that run along
the sheer inside of the frames.  Refer to sheet 3 and photo 19.  
Prepare a landing for the sheer clamps at bow and stern as shown 
on sheet 2 by gluing in a small piece of 3/32 x 3/16 strip to the
inside of the sheer strake.  This brings the sheer clamp to the same
level as the frames.  The forward section of the sheer clamp will
need to be hot/wet bent to form the curvature of the bow.  Bend
these in place and allow them to dry then glue in place as shown in
photo 19.  Use a length of strip wood to ensure the sheer clamp is at
the same level as the sheer plank all along the sheer.

Now we can cut off the projecting tops of the frames.  These are
easily cut off with a pair of sharp nippers, or a modelers saw.  Sand
these flush with the sheer plank and the sheer clamp using a rigid
sanding board to ensure that we don’t dip down into the areas
between frame tops. 

The hull is now a rigid structure and it is a good time to finish sand
the exterior.  This was a work boat and would not have had a yacht
like finish.  Sand the hull as smooth as you like in preparation for
painting.  If you have gaps they can be filled at this point.

STAGE 4:

FITTING OUT

Photo 18, installing the ‘tween frames and cant frames

Photo 19, 
installing the 
sheer clamps

 

 

 

 

 

 

 

 

 

Содержание H.M.S. Bounty's Launch 1789

Страница 1: ...y Model Shipways Inc Hollywood Florida Technical Characteristics Scale 3 4 1 0 1 16 Overall length 17 1 4 438 3mm Height from bottom of keel with masts 14 3 8 365mm Beam 5 3 8 136 5mm MODELING THE H M S BOUNTY S LAUNCH 1789 Kit design instructions and prototype model by Bob Crane 2006 Model Shipways Inc ...

Страница 2: ...The last was the fate of three of them Knowledge of the extraordinary adventure that followed is due to the fact that Bligh kept a log and submitted it to the admiral ty after his return to England It recounts the events of the 4000 plus mile small boat voyage that took place after the mutiny and recounts as Bligh notes a voyage that was one of the most extraordinary nature that ever happened in t...

Страница 3: ...haping and Tapering Masts Spars 18 2 Sail Making 18 3 Blocks 19 4 Lines 19 5 Boat Gear 19 Stage 6 Displaying Your Model 20 Bibliography 20 Table of Contents Table of Contents crowded into this small craft navigating through tall seas under sail The model construction method is in the traditional fashion for carvel planked hulls of this size upside down with a form or mold at each station The frame...

Страница 4: ...t imagine performing the task and use logic 3 Understanding Hull Lines Beginners may not be familiar with the following hull lines Buttock lines are vertical longitudinal planes cutting through the hull Waterlines are horizontal planes and Sections are transverse vertical planes Diagonals are planes cut almost perpendicular to the station lines These lines define the hull s shape and are used by t...

Страница 5: ...ng fine wire and strip metal H Sandpaper 1 Fine medium grit garnet or 100 to 220 aluminum oxide 2 400 wet or dry sandpaper 3 The sanding sticks sold for fingernail care are excellent and very handy These have medium and fine sandpaper and a foam core great for most sanding tasks I Sail Cloth Light weave cotton or linen cloth if sails are desired For furled sails a light material such as Silkspan i...

Страница 6: ...be careful to avoid runs Spray on several light coats Most paint manufacturers have special thinners for their various paint lines Follow each manufacturer s recommendations Mixing brands is not a good idea because they may not be compatible Sometimes however no other option exists If so apply each brand separately and allow to thoroughly dry before adding the next Always test to make sure the fin...

Страница 7: ... shown in photo 1 above will help you to align the pieces Assemble and glue together the 3 pieces stem keel and sternpost Note that the sternpost is a single piece of laser cut 3 16 thick basswood Do this over the plans on sheet 2 as shown in photo 2 below It is more important that the inside curve of the assembly match the plans than that the scarf joints are a tight fit Any gaps in the joints ca...

Страница 8: ...ngraved rabbet line makes this a simple task Take care in the cutting to preserve the crisp engraved rabbet line Mark the rabbet line on the sternpost and carry the rabbet groove through the sternpost as shown on sheet 2 A pattern for marking the tapered portion of the stem is provided on sheet 2 Your options here are to cut the pattern out of the plans or trace the pattern on tracing paper or hav...

Страница 9: ...ious when we begin to bend on the frames Molds 1 2 and 3 require the most material removal in the fairing process Fitting the keel the keel alignment tabs Once you are satisfied with your fairing test fit the keel assembly to the jig structure Molds 1 2 and 3 may require trimming a bit in way of the keel assembly to allow it to lie directly on the center keel Align the frame heel notches in the ke...

Страница 10: ...re ideal Clamp the iron upright in a vise While the iron heats soak the strip of wood in tap water Some model ers prefer bending around the tube near the handle it s not as hot while others use the shank Move the strip back and forth against the iron Its heat turns water into steam and drives it into the wood The trick is to wait until you feel the wood wanting to yield before starting the bend Be...

Страница 11: ...tock in the kit Cut a supply of 3 32 square frame stock to about 4 1 2 inches length This length is suitable for all frames except molds 15 and 14 which require a slightly shorter length Frames are bent by hooking the keel end under the keel in the sockets about halfway through and then wrapping the frames down over the mold and clamping them below the sheer tabs Refer to sheet 2 hull con structio...

Страница 12: ...e on the hood end pattern Photo 12 making clamps from binder clips Photo 13 plank hood end locating pattern The garboard must be carefully aligned as shown on sheet 2 The garboard twists quite a bit where it meets the rabbet requiring more care to locate it properly Study the illustration on sheet 2 showing the placement of the garboard A straight edge aligned along the mark on the pattern may hel...

Страница 13: ...ing is done time to sit back and admire your work You may wish to rough sand the hull at this point while it is still attached to the building jig Remove the pins from the transom and the dowel from the stem alignment blocks Using your knife work the blade in between the frames and the molds and pop the spot glued frames from the molds If you have not glued the hull to the building jig somewhere t...

Страница 14: ...rboard for a total of 52 Now is the time to clean up any glue gobs Very little of the frames are visible in the finished model Review the plans and photos and concentrate on those areas of frame and plank that will be visible 2 Installing the sheer clamps The sheer clamps are 3 32 x 3 16 basswood strips that run along the sheer inside of the frames Refer to sheet 3 and photo 19 Prepare a landing f...

Страница 15: ...ep requires a little more shaping as shown on the plans Its position is important as this will determine the relationship between the fit of the bow grate fore thwart and the foremast rake angle if any The sources used to design this model show the mast rake angle with the vertical both in a slightly raked and no rake configuration The choice is yours The prototype model was built with a slight ra...

Страница 16: ... match the hull paint scheme The water line can be marked by turning the hull upside down and blocking it up on a flat surface A pencil clamped to a vertical member at the appropriate height is used to mark the location of the water line on the hull It is better to make a few spaced marks say every inch or so than to attempt to scribe the entire line 7 Mounting cradle A ship s boat like the launch...

Страница 17: ... the rudder installation by locating and installing the upper gudgeon on the transom Drill and install with brass pins The pins should come out under the aft thwart and thus are not visible Fit the upper pintle to the rudder and engage the pintle pin in the gudgeon Clamp the pin tle to the rudder remove and drill through a pin hole Place a pin through the holes and put a slight bend in the protrud...

Страница 18: ...be made is grossly out of scale This fact is just simply accepted by some as an inevitable fact and they prefer the look of sewn sails in spite of over scale stitches and fabrics Others devise various methods to attempt to make sails look realistic on a model Two methods are presented here the sewing method and a simplified method wherein the seams hems and reinforcements are represented by simple...

Страница 19: ...bly carried with them some personal gear likely carried in bags There was sufficient extra canvas aboard for the rigging of weather cloths around the boat to increase the freeboard He also had sufficient extra rope for the rigging of shrouds to the masts The boat as issued had no shrouds A grapnel for anchoring was aboard Boat gear supplied in the kit and illustrated in the photo below may be arra...

Страница 20: ...Jim Roberts Hollywood FL Model Shipways Inc 1987 Topnotch publication on how to plank ships from all periods Designed to help the kit builder if the plans don t show a planking scheme Ship Modeler s Shop Notes edited by Merritt Edson Jr and others Nautical Research Guild 1979 Valuable collection of shop hints and articles extracted from early issues of the Nautical Research Journal Many quality il...

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