As Allen, Dee, and others have stated, this isn't easy, in part because of
differences in equipment, not only by type, but for each type, by
manufacturer, confounded by beekeeping practices.
Take the Dadant hive used in much of the US - foundation cell size, even
box and frame dimensions vary from one manufacturer to another, and the
variance increases when individual beekeepers build their own boxes and frames.
Granted, many of these differences are small changes in size, but box
height for one varies from shallows to jumbos.
Even with the same equipment, beekeeper management styles alter the
dimensions. Whereas most small scale beekeepers that I've seen, follow the 10
frames per box; many of our western US beekeepers use 9, some go to 8 frames
in the honey supers - the idea is to get the bees to draw out deeper combs.
Add a boardman feeder or 1 or 2 frame width, and the dimensions are further
altered.
The question I've not seen answered, what is the overall objective of
trying to harmonized estimates of hive capacity?
Jerry
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