Flower Class Corvette - Design

Design

The design of the Flower class was inspired by whale catcher Southern Pride, constructed by the Smiths Dock Company of Middlesbrough. The class was intended to be a "stop-gap" measure for the Allied navies in their battle against Kriegsmarine U-boats. They were intended as small convoy escort ships that could be produced quickly and cheaply in large numbers. Despite naval planners intentions that they be deployed for coastal convoys, their long range meant that they became the mainstay of Mid-Ocean Escort Force convoy protection during the first half of the war.

The Flower class became an essential resource for North Atlantic convoy protection until larger vessels such as destroyers and frigates could be produced in sufficient quantities. The simple design of the Flower class using parts and techniques (scantlings) common to merchant shipping meant they could be constructed in small commercial shipyards all over the United Kingdom and eastern Canada, where larger (or more sophisticated) warships could not be built. Additionally, the use of commercial machinery meant the largely Royal Naval Reserve and Royal Naval Volunteer Reserve crews to man them would be familiar with their operation.

Flower-class vessels were slow for a warship with maximum speed of 16 kn (30 km/h). They were also very lightly armed as they were intended solely for anti-submarine warfare; many of the RCN's original Flower-class ships were initially fitted with minesweeping equipment, while virtually all of the modified Flowers were fitted with a limited anti-aircraft capability.

The original Flowers had the standard RN layout, consisting of a raised forecastle, a well deck, then the bridge or wheelhouse, and a continuous deck running aft. The crew quarters were in the foc'sle while the galley was at the rear making for poor messing arrangements.

The modified Flowers saw the forecastle extended aft past the bridge to the aft end of the funnel, a variation known as the "long forecastle" design. Apart from providing a very useful space where the whole crew could gather out of the weather, the added weight improved the ships' stability and speed and was retrospectively applied to a number of the original Flower-class vessels during the mid and latter years of the war.

The original Flowers had a mast located immediately forward the bridge, a notable exception to naval practice at that time. The modified Flowers saw the mast returned to the normal position immediately aft of the bridge; however, this does not seem to have been done in all of the modified builds or conversions of the original vessels.

A cruiser stern finished the appearance for all vessels in the class.

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