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1/700 5.5&quot; MKI Guns Ports Open x4 3d printed 1/700 5.5&quot; MKI Guns Ports Open x4

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1/700 5.5" MKI Guns Ports Open x4
1/700 5.5" MKI Guns Ports Open x4 3d printed 1/700 5.5" MKI Guns Ports Open x4
1/700 5.5" MKI Guns Ports Open x4 3d printed 1/700 5.5" MKI Guns Ports Open x4

Not a Photo

1/700 5.5" MKI Guns Ports Open x4 3d printed 1/700 5.5" MKI Guns Ports Open x4
1/700 5.5" MKI Guns Ports Open x4 3d printed 1/700 5.5" MKI Guns Ports Open x4

Not a Photo

1/700 5.5" MKI Guns Ports Open x4

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3D printed in matte translucent plastic that showcases incredibly fine and intricate details.
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Product Description
1/700 Scale Royal Navy 5.5" MKI CPII Mount x4 with Sighting Ports open for the Tamiya/Trumpeter HMS Hood. Highly detailed replacement parts. These guns have been modelled using John Roberts plans and many reference photos. The barrel is set at 5º elevation but other elevations can be requested. See My Shop for version with sighting ports closed.
  • Details include sighting apparatus, breech loader, training gear and blast bags
  • Rivets, hex nuts and non slip pattern detail included
  • Elevation set at 5º, other elevations can be requested

This weapon was introduced to British service when two cruisers being built for Greece, Antinavarhos Kontouriotis and Lambros Katsonis, were taken over at the start of World War I and then renamed HMS Birkenhead and HMS Chester, respectively.  Subsequently, this weapon was mounted on the battlecruisers Hood and Furious and later on the aircraft carrier Hermes.  This was the only gun obtained in such a manner ever to be adopted for use on other British ships.This gun caliber was selected by the Greeks over the contemporary British 6" (15.2 cm) weapons because it fired a lighter shell than did the British 6" (15.2 cm) guns and as a result its ammunition could be more easily handled.  It is interesting to note that similar considerations led the Japanese to adopt the 14 cm (5.5") caliber for their light cruisers built after World War I.

During World War II, guns removed from the above ships were used to arm two AMC's while others were used for coastal defense batteries.  Two ex-HMS Hood guns were sent to Ascension Island, as shown in the photographs below.

These guns were built by Coventry Ordnance Works (COW) and were of wire-wound construction with a tapered inner A tube, A tube, full-length wire, B tube, overlapping jacket, breech ring and breech bush.  The Welin breech-block was manually operated with a Holmstrom mechanism.  A total of 81 guns were finished out of 246 originally ordered, of which 79 still existed in 1939.

As of 2006, at least five of these guns still exist:  One at the Imperial War Museum in London (formerly on HMS Chester), two on Ascension Island at Fort Benson (formerly on HMS Hood) and two on Stremoy Island (Faroe Islands) at Fort Skansin (formerly on HMS Furious).

Nomenclature note:  The 5.5"/42 (14 cm) BL Mark II was intended for DAMS of World War I, but this did not progress beyond the design stage, even though 1,100 guns were planned.  Construction would have been A tube, taper wire and full length jacket.  Weight without BM would have been 5.625 tons (5.72 mt).  Later 5.5" (14 cm) BL guns were Army howitzers of the World War II period.

Model is optimised for easy removal from base and supports can be be kept in place for airbrushing.
Some part cleanup will be necessary. The 3D printing process uses a waxy substance to support certain part features during the printing process. Although the parts are cleaned by Shapeways, some waxy residue may remain. It can be safely removed with water and a mild aqueous detergent like "Simple Green" using an old, soft toothbrush, Q-tips or pipe cleaners.  
Customers report that "Bestine" and "Goo Gone" also work well.
During the printing process, liquid resin is cured by ultraviolet light.  Microscopic bits of resin may remain uncured.  
Let your parts sit in direct sunlight for a few hours to fully cure the resin.  

Water-based acrylic paints meant for plastics is strongly recommended.  
Other paints, especially enamels, may not cure on Frosted Detail 3D-printed plastics.

Use dedicated model sprue cutters to remove parts to minimise damage to parts.
Please take a look at my other items.

What's in the box:
700 5.5 Inch MKI Gun Open Sprue x4.stl
1/700 5.5" MKI Guns Ports Open x4
1.56 x 1.67 x 0.53 cm
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0.62 x 0.66 x 0.21 inches
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