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U-Boat Type IXA

by Brett Green

 

U-Boat Type IXA
U-40



Mirage's 1/400 U-Boat Type IXA is available online from Squadron

 

Introduction

 

Mirage's 1/400 scale U-Boot IXA Turm 1 comprises less than 40 parts in grey plastic. At around 19cm long, and around 1.5cm wide, it will not take up much shelf space.

Detail on the kit is quite respectable. The deck features finely raised and engraved surface features, and the flooding holes are deeply recessed into the top of the hull sides. The deck guns look quite nice too. Even so, a few key features are not represented or oversimplified because of the limitations of injection moulding technology in this small scale. Some of the items missing include the prominent railing on the Wintergraten platform at the rear of the sail; the torpedo tube doors; and the rails along the edge of the deck.

 

 

However, the model will still be recognisable as a Type IXA U-Boat even without these attributes. It will also be a very simple, fast model to build as a plain plastic kit.

Modellers who want to take this kit to the next level may want to purchase the Mirage photo-etched detail set. This set addresses the main areas missing in the kit including the deck rails and the Wintergarten, while also replacing overscale plastic parts in key areas. The etched set includes a full-length deck, a new in-scale cable cutter, anchor, propeller detail parts, DF loop, deck and sail details, plus some parts to detail the deck guns.

 

 

Construction

 

I decided to build one of Mirage's U-Boats after I saw Scott Van Aken's 1/400 U-1064 Type VII U-Boat on Modeling Madness last year. I preferred the look of the larger Type IX U-Boat, and I also wanted to build a subject with an interesting camouflage scheme if possible.

Mirage's good range of Type II, VII and IX U-Boats included U-40, an early war submarine with a splinter camouflage scheme and some interesting markings as well.

The photo-etched detail set for the Type IXA U-Boat was released around August last year and Mirage kindly sent me an advance sample. As soon as I saw this set I knew that I wanted to use it!

Construction started with the three-piece stand. I filled the ejector pin marks in the vertical mounts, sanded them smooth and glued them into the base of the mount. Next, I glued the hull halves and the deck together.

I planned to use the photo-etched deck as a replacement, but the plastic deck still needs to be installed to provide a solid foundation for the flimsy photo-etched parts. I sliced off the larger raised details on the deck, then used a large sanding stick to totally remove all raised detail to provide a perfectly flat base for the new deck (click thumbnail at right to view larger image).

The sail (conning tower) was then assembled. Detail was sanded off the floor of the circular Wintergarten, as this was also destined to receive a photoetched deck along with the new railing.

 

 

After sanding, I noticed a slight overhang that needed to be filled underneath the deck on both sides of the hull. Milliput was used for this task. The two-part epoxy putty was smoothed into place and sanded flat when dry. I applied a coat of Mr Surfacer 1000 over the top of the Milliput to ensure there were no pinhole gaps remaining. They would be quite obvious in this scale!

I carefully removed the fore and aft deck sections from the photo-etched fret and glued them into place on the plastic hull. The fit was close to perfect.

 

 

Before adding the floor and railing to the Wintergarten, I thinned out the coaming at the front of the sail with a sharp hobby knife. I also added periscopes and snorkel using lengths of fine metal light filaments. A thin piece of brass rod was used to mount the photo-etched direction finder loop. Some details were also added to the outside of the sail including a handrail from wire and portholes (or drainage holes?) drilled near the front. Photo-etched ladders were secured at this stage too.

My biggest concern was folding the railing for the Wintergarten. As it turns out, it was not too onerous. Care and time are the best investments for a successful outcome. The folded brass Wintergarten was glued to the back of the sail.

The weapons looked okay but I decided to add more detail, especially to the 105mm main deck gun. Fine brass wire was added to represent handles, hydraulics and optics. The barrels on the smaller guns were replaced with copper wire.

 

 

I bevelled the inside edges of the sail to help ensure a gap-free fit on the deck. The sail was superglued in place and the model was starting to look a lot more like a U-Boat!

The gorgeous, crisp deck surface texture was supplemented with separate photo-etched parts for a splashguard in front of the 105mm deck gun, non-slip flooring under both deck guns and bases for the capstans. The capstans themselves were cut from lengths of brass wire and glued in place.

 

 

The lower hull details were next, including dive planes, the photo-etched propellers combined with plastic driveshafts and rudders. I did have a little trouble getting these parts to line up as the locating points are not very positive. I think I got it right in the end!

The cable cutter assembly is just beautiful. It does require some sharp folding though, so I waited until my Etch-Mate photo-etched folding tool arrived before I attempted this assembly. The Etch-Mate made easy work of the mount for the cutter, and the part was mounted on the bow of the boat

 

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The hull railing is mercifully short and secures to the side of the hull. Super glue was used to fasten the railings to the vessel.

Click the thumbnails below to view larger images:

 

 

Painting and Markings

 

I wanted to obtain a finish that was somewhat weathered but not overdone considering the scale.

 

Painting

The model was painted with my Aztek A470 airbrush and a fairly random selection of paints.

To start the paint job, the model was sprayed with an overall coat of Tamiya German Grey. I then cut tiny masks from the adhesive sections of Post-It Notes  and stuck them to the hull and sail sides.

 

 

Tamiya Sky Grey was sprayed over the entire model. When the Post-It Note masks were removed, the camouflage pattern became obvious.

Next, fine streaks were sprayed vertically along the hull sides. XF-66 Light Grey was then applied with a fine paintbrush on the main deck around the bottom of the sail and the Wintergarten, and sprayed over the remainder of the deck.

The upper hull was now masked off with Tamiya masking tape. A mix of Dark Grey and German Grey was applied to the lower hull. While the upper hull was still masked off, thin streaks of a lighter grey were sprayed vertically on the lower hull too.

Click the thumbnails below to view larger images:

The basic camouflage pattern after removal of the Post-It Note masks

Vertical streaks have been applied to the hull sides and sail.

The deck receives a coat of Tamiya Light Grey...

...before the upper hull is masked and the lower hull is sprayed with a streaky Dark Grey mix.


 

Decals

Kit decals were used. I only sprayed the local areas where the decals would be positioned with Testor's Metalizer Sealer. The kit decals performed perfectly.

The glossy surfaces and decals were sealed with Polly Scale acrylic Flat finish, sprayed undiluted through the Aztek airbrush.

 

 

Finishing Touches

 

A few additional vertical streaks were added to the hull. These were applied with a fine paint brush using Dark Earth for rusty stains and Light Grey for a little subtle variety.

Aerial wires and a lead-in wire to the sail were added from smoke-coloured invisible mending thread (monofilament). The prominent sets of floats on the wires were created by applying drops of super glue to the threads after they were strung from the sail, fore and aft.

 

 

When the tiny drops of super glue had dried, they were brush-painted dark grey.

 

 

Conclusion

 

This was my first maritime model since returning to the hobby in the late 1980s. It was also the first time that I have used a photo-etch bending tool.

I greatly enjoyed both experiences, and have bought quite a few ship and submarine kits since starting this project last year.

If you want to dip your toe into ship modelling, but you do not want to invest a fortune in kits and detail sets, Mirage's series of 1/400 submarines and warships is a great place to start. The Type IXA U-Boat that I built costs around USD$8.00; and the photo-etched set is around the same price.

Considering the result, that sounds like a bargain to me!

 

 

Additional Images

 

Click the thumbnails below to view larger images:


Model, Images and Text Copyright 2003 by Brett Green
Page Created 21 May, 2003
Last Updated 17 March, 2004

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