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National 14×12

National 14 x 12

The National 14 x 12 is based on the Standard National. It has long lugs on the frames making them easier to handle. The brood box takes 11 frames 14” wide by 12” high and uses Hoffman spacing.

The brood area is about half as much again as the standard National hive and is therefore adequate for a prolific colony. This means you will only ever have to inspect 11 brood frames per colony.

 

HIVE DATA NATIONAL NATIONAL 14×12 W B C COMMERCIAL
Brood frame 14″ x 8½” 14″ x 12″ 14″ x 8½” 16″ x 10″
Super frame 14″ x 5½” 14″ x 5½” 14″ x 5½” 16″ x 6″
Frames / brood box 11 11 10 12
Cells / brood box 54,000 80,000 49,000 80,000
Lug length 1½” 1½” 1½” 5/8″

The supers are identical to those on a National hive.

The 14 x 12 eke is a simple device which fits on top of a National brood box to provide space for 12” high frames (see below).You can even buy a kit to convert National brood frames to 14 x 12.

Eke to convert National brood box to 14x12

Diagram of a 14 x 12 brood chamber with two National supers. These hives are sometimes referred to as Deep Nationals.

The National 14x12 or Deep National hive

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http://www.rosybee.com/research
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Thanks to Ann P. for spotting this article in the Times.
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