Photo-etching process produces model results
A
Precision Micro product story
Edited by the Engineeringtalk editorial team
Jun 16, 2006
OTW Designs chose Chempix to produce a brass photo-etched deck incorporating the finest detail for its functional model of a German Type VII U Boat.
The German Type VII U Boat commonly featured in war movies was the "Volkswagen of submarines" with some 704 constructed between the late 1930s and 1944, in comparison to the British S Class of which only some 65 were built.
In its original form the Type VII was 64.51 metres long with a 5.85 metre beam.
It boasted a surface weight of 626 tons but fully loaded and manned it weighed in at 915 tons.
It had a surface speed of 17 knots, 8 knots submerged, range about 6200 miles.
When OTW Designs decided to produce a functional model kit of the vessel the company looked at previous offerings before deciding to produce a brass photo-etched deck incorporating the finest detail.
The company chose Chempix to carry out the work because of its vast experience in producing precision etched kits for railway engine modellers.
Prior to OTW Designs' offering the modeller was given a sheet of glass fibre and expected to cut out by hand the 1750 drainage slots in the deck.
The new model is 1/32nd scale and the deck is fully detailed down to the 1750 drainage slots and anti-slip surface, each individually highlighted by Chempix's precision photo etching process.
Together with the hull, fittings and dive/propulsion system, this kit claims to be the best of its kind available, a view shared by many top modellers and museums.
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