Battleships - 3D Modelling - Book Publishers - Nebula Hawk

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Nebula Hawk has currently reviewed the following:

HMS Hood 1941 - Twin 4 Inch Anti-Aircraft Guns

The early World War Two modifications of HMS Hood, resulted in Hood's 'boat deck' (also called her 'shelter deck') being outfitted with seven 4 inch 'twin barrelled' anti-aircraft guns:

Twin 4 Inch Anti-Aircraft Gun - with ammunition lockers (aboard HMS Hood 1941).
Twin 4 Inch Anti-Aircraft Gun - with ammunition lockers (aboard HMS Hood 1941).

This was something of an 'austere makeover' that aimed to increase Hood's anti-aircraft capabilities. To 'make space' for installing these guns, all of Hood's single barrelled 4 inch anti-aircraft and 5.5 inch naval guns 'were removed' - although facilities (such as their magazines and 'shell supply lines') were enhanced to support her new guns. These modifications were carried out 'more for speed' than for robustness reasons - as the entire 'boat deck' could really be considered as a target for incoming shells! This issue was further compounded, by the fact that 'ready use' ammunition lockers were installed 'next to and near' each anti-aircraft gun mount. During the Battle of the Denmark Strait, a boat deck fire 'wreaked havoc' amongst the ammunition that was stored in these.

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HMS Hood 1937 - Naval Gun Turrets X and Y

Here we can see the two sternmost 15 inch naval gun turrets of HMS Hood (turret X is on the left, turret Y is on the right):

HMS Hood naval gun turrets X and Y - both 15 inch calibre.
HMS Hood naval gun turrets X and Y - both 15 inch calibre.

Whilst the roofs of these gun turrets were not decorated (with turret markings), both were located on a 'very wet deck' (the quarterdeck) which was usually awash 'when at sea'. Turrets X and Y did not partake in the opening stages of the Battle of the Denmark Strait - as their 'arcs of fire' were limited by Hood's approach angle (on Bismarck). It is with some irony then, that turret X 'appears to have been' fundamentally involved with the explosion that tore HMS Hood in half - with the fatal explosion 'likely originating' in one of its magazines (either shells or cordite). In any case, it is believed/known that the hull form area located around/near turret X (and its barbette) 'utterly disintegrated' during the explosion. Even so 'it took a while to realise' at Hood's helm!

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HMS Hood 1937 - Bow View

The bow view of HMS Hood. From here, you can make out the shear of her hull form:

HMS Hood 1937 - Bow View
HMS Hood 1937 - Bow View

Which both helped her sea-keeping, and reduced the chances, of an enemy shell penetrating her belt armour (by striking it an angle, as opposed to square on). You can also see, that Hood could bring to bear, just two forward naval gun turrets (aka four 15 inch shells) when approaching end on - as she did, on that fateful day (at the battle of the Denmark Strait), when she was lost, battling the Bismarck. This view also shows, another important fact about HMS Hood, from the shear number of windows and view slits, that are visible from this angle: how important visually sighting the enemy was, in a time before radar.

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Bismarck - Robert Ballard

One of the most interesting battleship books that I have encountered recently, is Robert Ballard's Bismarck:

Bismarck - Robert Ballard
Bismarck - Robert Ballard

My favourite chapter is - First Blood. This chapter covers the details of the Battle of the Denmark Strait - yes it is about the sinking of HMS Hood, but it also considers the aftermath of the battle (such as the damage that had been done to the Bismarck - especially towards her bow). There are some chilling first hand descriptions of the explosions on-board HMS Hood (as viewed from both the Bismarck, and Prince of Wales) together with some details on how Hood's three survivors survived. After reading this chapter, it's a miracle that there were any survivors at all: one jumped overboard (but got entangled in aerial wires as Hood sunk), another (Ted Briggs) escaped the compass platform/bridge (but was soon dragged under with the pull of the ship) the third was essentially washed through a window - from the highest point on the ship (the spotting top). Contrasted with this, are the thoughts of the Germans on-board Bismarck: which seem to have been at first astonishment, followed quickly by disbelief, followed quickly by transfixing (an inability to act), followed later by thoughts of impending doom - when it became apparent that the British intended to sink the Bismarck at all costs. My second favourite chapter is - Bismarck, Then and Now. I have always enjoyed looking at pictures of battleships - and this chapter has more than enough, but with a unique twist: as it compares black and white photos of the past (from previous voyages), together with basic photos of the wreck. I use the term basic photos, because at the time of the dive on the Bismarck (1989), the ability to both photograph and video underwater wrecks was in its infancy (at least by today's standards). Thus, the underwater wreck photos are somewhat on the smaller side/grainy (although not all), but I found that this mattered little - as I found them sufficiently spooky (especially when combined with the artists impressions of the overall wreck of the Bismarck). If you were to ask me, what my favourite diagram is within the book, then I would say that it is the diagram that explains/shows how the Bismarck sunk. It clearly shows that she rolled over, with her four 15 inch gun turrets falling out, as she descended rapidly towards the sea bed. Yet it is here, that an oddity occurred - for the Bismarck righted herself on her way to the bottom, before eventually slamming into the side of an extinct underwater volcano, and preceding to slide down it's side. My other favourite diagrams are the Bismarck's starboard profile, interior profile (showing key armour locations) and an overhead view - as they are also compared to original black and white photographs of the day. Overall: this is a highly detailed book, that provides a tonne of information on the battle (and it's aftermath), together with a great many pictures of the Bismarck (both past and present) which is mixed in within the Hunt for the Bismarck (aka the search to find the wreck).

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Bismarck and Hood - Great Naval Adversaries

Without a doubt, this little gem has to be one of the best books on HMS Hood (that I have ever read):

Bismarck and Hood - Great Naval Adversaries
Bismarck and Hood - Great Naval Adversaries

There's three reasons for this. First: is the fact that the book summarises (on the first few pages) exactly what type of warship HMS Hood was intended to be - a bigger, better, faster Queen Elizabeth class battleship. This was what the Royal Navy/Admiralty originally envisaged, and even though various Admirals (such as Sir John Jellicoe) attempted to prevent this (by saying that they had no need for such fast battleships), the Battle of Jutland (which took place at the same time that HMS Hood was laid down - 1916) caused a boycotting of Sir John Jellicoe's ideas - as it was proven that lightly-armoured battle cruisers, were incapable of meeting heavily-armoured battleships in battle. Thus, would HMS Hood be a - bigger, better, faster Queen Elizabeth. Unfortunately, Hood's great length (860ft), meant that similar levels of protection (to a Queen Elizabeth), resulted in thinner deck and side armour as such armour had to be spread over a longer distance. Thus, was it known - that Hood's deck armour was too thin and not in the same-league as a true battleship (even though plans existed to thicken her deck amour). Second: is the fact that this book actually provides, the most realistic/acceptable reason for the loss of HMS Hood (that I have ever read). It had been accepted (at the time) that HMS Hood was lost because of a primary magazine explosion. Now, whilst this may very well be true - witnesses at the time (most-likely those on-board HMS Prince of Wales) reported that there was no sound of an explosion from HMS Hood. This seems a little strange, as it's hard to imagine a room full of 15 inch shells exploding - without any sound! Thus, does this book provide a more realistic/alternative explanation of how HMS Hood could have blown up, without making a sound. This explanation is: that it was NOT a primary shell magazine that exploded, BUT a primary cordite magazine (the source of the charges that were packed in behind a shell - to explode/burn and propel a 15 inch shell, from a 15 inch naval gun barrel). Thus, it seems that a magazine full of cordite, would have burned fiercely, and in doing so - placed overwhelming stress on internal bulkheads (inside HMS Hood). Such forces would not have been contained for long, and would have eventually vented forwards, through the boiler rooms and through the deck vents. It is with this venting, that the book suggests it's reason for the loss of HMS Hood: as with so much heat and force, would Hood's hull form have failed to hold up - and hence, split her in two (without the sound of an explosion). Third: is the fact that this book contains, some of the most amazing pictures of HMS Hood - that I have ever seen! Where possible, I have divided these into categories - before I tell you about them. Category One: The pictures of HMS Hood when she is being constructed. My favourite picture here, shows the construction of Hood's hull form, when the scaffolding is along side. You can clearly see the style/shape, of an important improvement over the Queen Elizabeth's - Hood's anti-torpedo bulges (which formed an integral part of her hull form, as opposed to an after thought). In second place, do I find the picture that looks forward (from the stern) of Hood's decks (before the turrets and superstructures have been installed). You can clearly see the men that built her, who appear to be just normal men doing an honest days work together with the frames for the bow sections (showing that Hood was far from complete at the time the photo was taken). Category Two: The pictures of HMS Hood within the Mediterranean Sea. Two of these photo's stand out for me - as they show Hood's hull form beneath the waterline (in a semi-turbulent sea). Both pictures also seem dynamic (as Hood is at speed), with both pictures also showing her neutrality markings (on B turret) - which were used to help identify her within the Spanish Civil War. Category Three: The picture that shows HMS Hood when she's being painted (presumably in harbour). What I find most exciting about the picture here, is that although it's just a close-up of her midships section - it's hard to miss one simple fact: HMS Hood was massive! This picture (more than any other), causes me to have disbelief that she could ever have been sunk/destroyed by a single lucky/well-placed shell. Yet, that is precisely what happened! Overall: this is an amazing book that contains a wealth of information on HMS Hood, and her nemesis the Bismarck. There's also some good information on the Battle of the Denmark Strait, and the sinking of the Bismarck. For me, there's also one more thing that really makes this book into a little gem. The fact that it explains a battleship's immunity zone - the idea that between certain ranges, that a battleship's side and deck armour could not be pierced (e.g. within a certain range, plunging shellfire is impossible, because the enemy could not elevate their gun barrels to a suitable angle to avoid a skimming shell when it hit the deck of the enemy ship - as it's plunging angle was too low to cause penetration - aka the mathematics of projectile motion).

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denmark strait - All

Bismarck - Robert BallardBismarck and Hood - Great Naval AdversariesHMS Hood 1937 - Bow ViewHMS Hood 1937 - Naval Gun Turrets X and YHMS Hood 1941 - Twin 4 Inch Anti-Aircraft Guns