Tuesday, April 9, 2013

The Samoan 'iatolima

Some weeks ago we discussed the Samoan "small canoe," or paopao, drawing from the work of Te Rangi Hiroa. In contrast to the paopao, which was paddle-propelled and used only on calm waters, the larger 'iatolima was sail-propelled and meant for use outside the reefs. Both were outrigger dugout canoes, with the outrigger on the port side.


'iatolima-rigged soatau, from Hiroa's Samoan Material Culture. (Click to enlarge.)
Hiroa could not find any 'iatolimas for direct observation, and it is possible that none remained in use at the time of his research. The image above depicts a model of a boat that combines the hull of a soatau with the rig of an 'iatolima, and that seems to be the best we have to go by. The soatau was very much like the paopao, even down to the carved decorative elements, only somewhat larger. The 'iatolima hull, in contrast to this, was broader in the ends and would have had "topsides" or "bow and stern covers" (Hiroa's terms, i.e., partial decks) to protect it from boarding waves.

The 'iatolima rig, however, is believed to appear intact in the sketch of the model. It is unusual in having five outrigger booms, when most boats of this size would make do with two or three. ('iatolima translates as "five booms.") But the extra booms are put to good use.

The two forward booms (#4 and #5 in the illustration) are very close together, serving as a mast step. The two booms amidship brace and support the balancing beam, a broad plank on which the sailor could hike out to starboard in order to counterbalance the boat's heel to port. The aft-most boom needs no explanation. The outrigger float is cut off short immediately behind the aft boom connection, as on the paopao. 

Two longitudinal timbers are lashed to the booms directly above the float. While this would have stiffened the ends of the booms somewhat, that hardly seems necessary, given the width and number of the booms. I suspect they mainly served as another hiking platform, for use when sailing on a port tack.

The rig is, in most respects, a standard oceanic sprit of an upright posture. Stepped far forward, it is a tacking, not a shunting, rig. It is stayed to an unusual degree, with a forestay and shrouds on both sides of the "mast." Also shown (#18 in the illustration) is an "aft stay from aft spar to aft boom" but I believe this is an incorrect interpretation. Such a stay would immobilize the sprit and prevent tacking. I think that this line is really the main sheet, tied down to the aft outrigger boom in the model simply to avoid it hanging loose, as it probably would have been when sailing.

Sunday, March 10, 2013

Morgawr, Ferriby 1 Reconstruction, Launched


After a year in construction, Morgawr, a full-size reconstruction of Ferriby 1 has been launched in Cornwall. Discovered in the 1930s by Ted Wright and his brother Will, Ferriby 1 is one of the most important Bronze Age artifacts ever discovered in northern Europe. (Our previous post about the construction of the Ferriby replica included a nice bit of time-lapse photography.)


Falmouth "Bronze Age Boat"
Morgawr, a reconstruction of the Bronze Age boat Ferriby 1. This image and the one below are from John Durrant's nice FlickR album that includes many good photos of construction details.
Falmouth "Bronze Age Boat"
Inside the Ferriby reconstruction. Cleats were left standing proud on the inside surfaces on the hull's main timbers when the logs were hewn to shape. The cleats provide anchors for transverse staves. The staves keep the longitudinal bottom timber and the iles (the angled "plank" pieces that form the turn of the bilge) from shifting longitudinally relative to each other, and provide some transverse stiffness to the bottom, but they do not act as frames: i.e., they do nothing to keep the "planks" tight against each other. For that, the builders relied on stitching with yew withies. The seams were caulked with moss and animal fat, and covered with laths on the inside. The laths are held down by the yew stitches, which pass through holes bored through the planks. 
Here's a short news item with a bit more background from This Is Cornwall, which we'll follow with this piece from BBC, featuring some nice footage of the boat in action, coupled with typically inane reporting.


As a bonus: here's a bailer that museum expert Edwin Deady carved from oak and donated to the reconstruction effort. While the boat crew evidently didn't use it on the maiden voyage, one would hope that they'll soon adopt this more period-accurate accessory during future sea trials.

Wednesday, February 27, 2013

Bengal Boat Model Exhibit

Model of a sewn-planked, lug-rigged double-ended Bengali boat on display at Tarani Majhir Ghat, Salt Lake Stadium (Photo courtesy Swarap Bhattacharyya. Click to enlarge.)
Swarup Bhattacharyya maintains a fine blog, Noukoghar: Abode of Bengal Boat. He's written to draw attention to his latest post, about a great little exhibit of Bengali boat models at the Tarani Majhir Ghat, Salt Lake Stadium, organized by the intriguingly-named "Backward Classes Welfare Department, Govt. of West Bengal." Swarup's post has nice photos depicting a variety of interesting native craft -- I only wish there was some detail about the models and the boats they represent.