The dimensions and spacing specifications for frames in a top bar hive are designed to maintain proper bee space and hive functionality. Each frame is 1 and 3/8 inches wide, with a 3/16 inch space between the front/rear walls and the first/last frames. This ensures a consistent 3/8 inch bee space throughout the hive, which is critical for colony health and comb management. The design prevents overcrowding and allows bees to move freely while maintaining structural integrity.
Key Points Explained:
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Frame Width
- Each frame is 1 and 3/8 inches (1.375 inches) wide. This standardized width ensures uniformity, making it easier for bees to build straight comb and for beekeepers to manage the hive.
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Spacing Between Frames and Hive Walls
- A 3/16 inch gap is maintained between the first/last frames and the hive's front/rear walls. This spacing prevents comb attachment to the walls and ensures bees can access all parts of the hive without obstruction.
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Bee Space Principle
- The configuration guarantees a 3/8 inch bee space (a critical measurement in beekeeping) between all surfaces. Bees naturally maintain this space to avoid filling it with propolis or comb, which could disrupt hive inspections or honey harvesting.
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Hive Design Implications
- The sloped sides of many top-bar hives (e.g., Kenyan style) further prevent comb attachment to the bottom, while the spacing specifications complement this design. Proper spacing also aligns with other components like follower boards, which adjust hive volume as the colony grows.
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Practical Adjustments
- While the frame width is fixed, beekeepers can modify entrance holes or ventilation based on seasonal needs (e.g., reducing open holes in winter). However, frame spacing remains consistent to preserve bee space integrity.
These specifications balance colony health, beekeeper convenience, and hive durability, making them essential for successful top-bar hive management.
Summary Table:
| Specification | Measurement | Purpose |
|---|---|---|
| Frame Width | 1 and 3/8 inches (1.375") | Ensures uniformity for straight comb building and easy hive management. |
| Spacing (Frames to Walls) | 3/16 inch gap | Prevents comb attachment to walls and maintains bee accessibility. |
| Bee Space | 3/8 inch | Critical space bees naturally maintain to avoid propolis or comb buildup. |
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