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Two hole base support
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Two hole base
Based on the search results, the term "two hole base" appears in the context of a balsa core repair for a mast base in a boat. Here's the relevant information:
The "two hole base" refers to a structural feature found at the mast base of a sailboat during balsa core repair work. Key details include:
1. The mast rests on a raised platform made of plywood covered in fiberglass and resin, which in turn sits on a layer of balsa core .
2. Below the balsa core is a solid fiberglass layer about 1/2" thick at the mast base, extending approximately 12" toward the stern and 8" side to side .
3. This solid sub-layer contains two holes:
- One hole is used for the centerboard pennant (a rope or cable controlling the centerboard)
- The function of the second hole is unclear but appears to be factory-made
- One hole is used for the centerboard pennant (a rope or cable controlling the centerboard)
- The function of the second hole is unclear but appears to be factory-made
4. During repairs, these holes were temporarily plugged with tape wads to serve as guides for drilling into the new mast pad once reconstruction was complete .
The presence of two holes suggests there may have been multiple functional requirements at the mast base, possibly for different rigging components or wiring, though the exact purpose of the second hole wasn't specified in the documentation .
