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A
scale model of the H.M.S. Beagle
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On Dec 27, 1831, the survey
ship HMS Beagle sailed from Plymouth, England, on her second world voyage
of exploration, under Captain Robert FitzRoy. Aboard was 22-year-old
Charles Darwin, recently graduated and no doubt pleased with the dream
job he had secured as the ship's naturalist, charged with recording
the geology, flora and fauna of the locations visited during the survey
mission.
This model of the Beagle
was completed Feb 10, 2009, in time for the 200th anniversary of the
birth of Charles Darwin (Feb 12,1809 April 19,1882), one of the
most influential scientists in history.
(Full size
image available
here)
Some Darwin Day links:
Darwin Day Celebration
(central website)
Darwin Day round-up
(NCSE)
National Center for Science Education
(NCSE)
The Voyage of the Beagle
(The Online Literature Library)
The Beagle Project 
Information about the Galapagos Islands:
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(photo above by Bernie Wirzba; model by Dan Johnson, University of Lethbridge)
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The Beagle was 242 tons and
90 feet long (this model is about 18 inches in length, making the scale
about 1/64). It started as one of many two-masted brigs, designed as
a small military vessel. It was later given the job of hydrographic
survey (mapping the oceans, including locating and describing islands,
shorelines, etc.).
After 1825, the Beagle had
three masts, with the added mizzenmast rigged "fore-and-aft",
meaning the last sail (called the spanker) sat approximately parallel
to the length of the Beagle. If all three masts had been square-rigged,
the Beagle would be a "ship". If it had only two masts, and
if the second mast had been rigged fore-and-aft, this would make her
a brig. The three masts and final arrangement make the Beagle a barque
(often called bark in English). I don't know whether I am the only one
who thinks that it is funny that the Beagle was actually a bark.
The first photo above has
only the single gaff and boom, to carry the spanker on the aftmost mast.
This was the 1817-1820 configuration, as far as I can tell, and the
one that comes with model plans. I decided to add the two forward gaffs
(and add the extra top sails), to follow the 1831-1837 configuration.
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Charles Darwin and the Beagle
are on the Bank of England 10-pound note. The image of the Beagle is
only 9 mm in height. They did a nice job of reproducing it, as you can
see from the enlarged image below left (I used a microscope to photograph
it).
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The Beagle was one of many
ships that were equipped with additional sails called studdingsails,
usually pronounced stuns'ls. These were supported on extra booms that
ran out from the yards on the square-rigged masts (the first two masts).
The stuns'ls allowed a ship to move in light wind, and increase speed
in moderate wind.
The black-and-white image
is from a figure entitled "Homeward bound", in one of the
last chapters in Darwin's book "The Voyage of the H.M.S. Beagle"
(volumes published during 1839-1845).
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The deck layout of the Beagle,
as depicted in a figure in "The Voyage of the H.M.S. Beagle",
Charles Darwin.
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FitzRoy also added a higher
deck, which I tried to replicate in the model. (My top deck is made
from wooden coffee stir sticks with the round ends cut off.)
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Some historical drawings
exist in Darwin's books, or from drawings made by crew members. The
ship itself is lost, except for some portions of the hull. It sank in
the Thames, years after the five survey expeditions were completed,
and was then stripped of timber and material of value.
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The H.M.S. Beagle near Tierra
del Fuego, by Conrad Martens, on board during the second voyage.
For another marvelous view
of the Beagle, see the art on the opening page of The Beagle Project
.
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The Beagle underwent some
changes over her five major voyages, receiving extra masts, sails, boats,
decks, and changes in configuration and rigging. Historical drawings
from different years show some of the changes and additions.
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An image from "The Voyage
of the H.M.S. Beagle", Vol. 2, Charles Darwin.
More background, from articles
in the Lethbridge Herald:
"Darwin's theories stand
test of time"
(Dec 27, 2008) 
and
"2009, Year of Science"
(Jan 3, 2009) 
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For those who are interested
in building a model:
I relied on the excellent
book "HMS Beagle, Survey ship extraordinary", by Karl Marquardt,
in the Anatomy of the Ship series.
(Thanks to Shelley Ross and
the University library for bringing this book in on loan.)
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I started with a model in
December, 2008, with kit from Mamoli (marketed by Cast Your Anchor,
in Canada), which represents the Beagle as it may have been in 1817-1820,
when it was launched.
Because I chose to adhere
to later versions of the Beagle, and because aspects of this model appeared
to be more similar to certain other sailing ships than the Beagle, I
regretted beginning with a kit hull. The double-plank-on-bulkhead method
is commonly used in model-building, and at least it is easy to do.
The additional small pieces
such as cannon, wheel, bell, belaying pins, etc., proved very useful,
and their drawings gave some good views of the 187 rigging. But if I
were to build it again, I would make my own hull from solid wood. Also,
I ended up modifying the model to reflect what I saw in Marquardt's
book.
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Lathe is nailed and glued
on to form the hull. In future, I will certainly do this in another
way, probably with solid wood and a bandsaw, followed by sanding with
a drum-mounted sander.
The lathe can be bent with
hot water. I used a teapot.
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The hull is sanded to remove
the imperfections in shape that result from bulkhead irregularities.
(Held here by Dexter Johnson,
who is testing the HMS Beagle with a gecko)
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I redesigned the hull and
decks so that they matched the construction of the Beagle, after being
refit for the second and subsequent voyages. This meant cutting and
filling the model hull, adding gunports, changing positions and heights
of the upper deck and entries.
I think the model plans put
the main mast too far back - something to correct if I ever build a
better one.
Again, it might have been
easier to start from scratch, since I have a workshop.
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The standing rigging (the
parts that hold up the masts and bowsprit) is added first. This includes
the shrouds (the sections that look like ladders), which can be easily
made with thread. The running rigging (which holds the spars, and later
the sails) is added after the standing rigging is completed.
I added extra yardarms at
the top for the additional sails that were added (it started with three
per mast). Spars, and some pulleys and lines, are moveable.
I painted the hull copper
to simulate the sheathing that protected Royal Navy ships from marine
invertebrates, but copper foil would be an improvement.
(The model here is held by
Scott Johnson.)
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The shrouds are made from
sturdy thread from the sewing section of Walmart, and painted black
later.
(Watch the movies "Master
and Commander", or "Horatio Hornblower" - these are inspirational
and also show how rigging should look.)
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Deadeyes are the adjustable
block-and-tackle assemblages that hold up the shrouds, which support
the masts and also allow access to sails and rigging on a real ship.
They can be made by turning a piece on the end of a dowel, adding ridges
and then parting (meaning cutting) the deadeye off. The holes are drilled
with a needle or other fine bit.
After making a few of these,
I went with the commercial ones.
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I found that clothespins
make great threading jigs for the deadeyes. If your eyes are as bad
as mine, this helps enormously, by holding them in place while you thread
them.
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Anatomy
of the Ship: HMS Beagle, Survey ship extraordinary (by Karl Marquardt)

Marquardt's book indicates
that the figurehead may have been a beagle...
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... so I carved one with
the tip of a razor blade (actually from an inexpensive Exacto knife
from Princess Auto), from a splinter of wood.
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I made a little shipping
container for the poopdeck, with Darwin's home address on the lid. It
is next to one of Captain FitzRoy's inventions, a special barometric
weather forecaster. The ship's compass is on the deck below. I used
old jewelry parts for these items, and for all the chain on various
parts of the ship.
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The compass made from necklace
links is only about 2 mm wide, and a bit rough, but it serves the purpose.
FitzRoy had numerous compasses on board, and I once read that he had
over 20 clocks (mainly for determining latitude precisely enough for
mapping).
The lines tied over-and-under
on the belaying pins are meant to appear as they might on a ship.
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Some items on the deck are
from model parts available on-line or in kits, and some are made from
scratch based on historical drawings, etc. Model kits come with hulls
for smaller boats, and the rest is up to you. Or, you can carve it all
from wood. The wheel, pump, doors and cannons are from the Mamoli kit
of small parts. The Beagle went from 12 cannons to 6, for most of the
survey work, to save weight and space. The
Beagle had up to 4 anchors, on some of the expeditions, but the model
has only two.
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Darwin's cabin was at the
back of the Beagle, in the previous maproom next to the Captain's quarters.
David Galbraith (Head of Science, Royal Botanical Gardens, Hamilton,
Ontario) has constructed a digital 3-D Beagle waterline model of HMS
Beagle, including an inside view of Darwin's cabin. I saw an image of
his current version - it was inspirational to see where Darwin lived
and worked at sea for 4 years.
A museum display reproduction
of this cabin can be seen at Darwin's home (Down House, Kent), which
is now open to the public.
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One example that I tried
to follow whereever possible was a model shown in Marquardt's book,
although the images are small and not detailed.
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The best modern model of
the Beagle that I am aware of is this beauty, produced by Michael Bass
of Cutting Edge Models, Narara, NSW, Australia (shown at left). He recently
made it for the Australian National Maritime Museum, and was kind enough
to send me this photo.
(His model was also completed
in January, in time for Darwin Day).
Cutting Edge Models
Books about the Beagle, from
a bibliography available from the Australian National Maritime Museum
(I wish I would have seen these prior to my try at making a model):
ANMM
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Mine is a bit different,
but I will try to refine some small points.
I regret using the large
commercial pulleys in the rigging, and next time (if there is a next
time) I will produce smaller ones myself. I may re-think some of the
rigging, as it was not entirely true to the later configurations, and
included some aspects of the original 1820 plans. After this photo was
taken, I added two gaffs on the main and fore masts to match the configuration
shown in Marquardt.
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By the way, the flags can
be made to look like they are moving in the wind, by heating them over
a toaster or other heat source while they are twisted.
I used #3 insect pins for
the flagpoles.
I plan to add some turned
water barrels and a winch, as shown in Marquardt's book. By the way,
(for those who asked about trying this sort of thing) woodturning is
a hobby that gives nice-looking results in about 1/100 as much time
as model ship building. I recommend both, though. Here are some of my
turning projects: 
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There are many books available
to show general conventions and past standards, but much of the methods
and best ways of doing things can be discovered as you go.
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The journal Model Ship Builder
is available on-line, and very helpful.
http://www.modelshipbuilder.com/
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Final size and appearance.
(The shirt is from The Beagle Project
- a really marvelous undertaking; we all wish them success.)
2009 is the 200th anniversary
of the birth of Charles Darwin, and the 150th anniversary of the publication
of "On The Origin of Species".
Year of Science, 2009
Committee on the Public
Understanding of Science
(COPUS)
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Other news:
Is anyone
interested in the Burgess Shale?
(100 year
anniversary!)

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Our location
University
of Lethbridge
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