This page is credited in full to Dave Cushman who created it. His voice is expressed in black colour text and any additions or comments in blue belong to myself. Credit: Dave Cushman’s website.
Brood Chamber for British Standard National Bee Hive
It is also called a ‘deep’ or ‘deep box’ and confusingly it can be known as a ‘deep super’ if it is used for honey gathering.
Use for raising brood is most prevalent. However in USA it is common for all boxes to be ‘deeps’ for interchangeability. In UK we adopt shallow boxes for honey and deep ones for brood to avoid breeding occurring in frames that are to be extracted from.
National Brood Box, 3 views
Cutting of parts (all dimensions are in mm).
Pine is quoted in the above table, but cedar is often used and gives the advantage of light weight as well as increased durability.
Note… The front and back are set 9 mm up from the baseline.
This cross sectional view may make assembly, of store bought kits, a little more easy.
The top and bottom rails are identical to those used for making supers and 14″ x 12″ ‘extra deep’ brood boxes.
cross section of National brood box
The ‘Standard’ calls for bottom bee space, but some in UK have adopted top bee space. Such top bee space items are dealt with on the “Rational” group of pages.
Scale = 1 pixel per 2 mm