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Title: DENNY EXP. SHIP TANK

Reference number: 4505

Date: 1975*

Sound: silent

Original format: 16mm

Colour: col

Fiction: non-fiction

Running time: 32.32

Description: The Denny Model Ship Tank, Dumbarton. The processes involved in building the model ships, and some of the basic tank experiments.

Shotlist: Gv's of Dumbarton from a high view point. Views over the docks and of Dumbarton Rock. (0.25) C/u of aerial B/W photographs of the shipyard. (0.54) Gv of workshop roof. (?) (1.04) Ext. of Ship Model Experiment Tank building. (1.17) Tracking shot of the tank length. (1.32) C/u of a model bow cutting through the water. (1.56) Tracking shot of the tank. (2.02) Two men on a large piece of equipment moving along the tank. (2.17) Man placing a piece of wood under a design sheet. He holds the sheet in place before running a cutter along the lines. He then lifts the sheet away from the piece of wood. (2.50) Man following the groves he made using the cutter on the piece of wood with a pencil. (2.56) Man attaches piece of wood to a beam and holds it before the camera. (3.06) Pieces of wood cut similarly to the one in the previous shot are used to help mould clay into a basic ship's hull. (3.) A series of wooden plates are placed into the clay hull hollow. (4.16) Wooden straps are fitted around the basic hull shape. (4.31) Wooden hull frame is covered with a cloth, then covered with more clay before finally being placed back into the clay mould and held in place with vice grips. (5.14) C/u of the mould being filled with liquid. (5.50) Man shaping a model ship. (6.06) Water is pumped into the mould to float the model free. (6.23) C/u of plaque Model Shaping Machine Invented by The Late Wm Froude F.R.S.L.L.D. Zoom out to show equipment. Zoom in to another plaque. Modernised 1958. (6.46) Gv's of the shaping machine in operation. Man smoking a cigarette as he operates the machine. (7.47) C/u of a man smoothing down the shape of the hull by hand, adding small details, and finishing the model hull. (9.47) Hull is covered by a sheet. (9.53) Half of a hollow model. (9.59) Gv's of men smoothing a hollow mould. (10.21) C/u of a man mixing and measuring various chemicals into a yellow paint mixture. This is painted onto the mould layered with clear sheets. (11.53) Yellow hull is winched into position. (12.11) Gv's of the finishing details to the model ; metal keel , propeller, rudder, bridge, bow edging. (14.44) Man placing weights at the bottom of the hull while it is in the water tank. A balancing instrument is fitted also. (15.17) Ruler measuring a piece of wire. (15.24) Hooks of wire are placed in the water. (15.39) Man starting with specialist measuring equipment makes a mould for the propeller. Once the mould is made liquid metal is poured and and left to set. (18.05) Gv's of the various pieces of equipment used to finely shape the propeller. (19.39) Propeller is fitted to a shaft attached to a red model. C/u of an instrument demonstrating the mechanisation. (20.27) Gv's of the measuring equipment contained in the red model and the equipment running along the side of the tank. C/u of propeller turning in the water. (21.17) Man adding extra weights to the red model. C/u equipment display. (21.39) C/u of propeller in the water. (21.59) Gv's of a man setting various dials and weights on the equipment around the water tank. (22.53) Tracking shot as the yellow model makes its way along the tank. (23.52) Man recording the results on paper. (24.00) Blurred shot as the model moves along the tank. (24.24)