en:authors:omachi-masami:a6m_zero:1956-03
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| en:authors:omachi-masami:a6m_zero:1956-03 [2025/11/12 08:59] – [Canopy Construction] admin | en:authors:omachi-masami:a6m_zero:1956-03 [2025/11/16 20:46] (current) – [Propeller Construction] admin | ||
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| As in (b), file a step in the mold where the sliding hood would sit; these steps reproduce faithfully in the pressed piece, so even multi-step canopies like those of the Tenzan or Saiun can be replicated by shaping the male mold accordingly. | As in (b), file a step in the mold where the sliding hood would sit; these steps reproduce faithfully in the pressed piece, so even multi-step canopies like those of the Tenzan or Saiun can be replicated by shaping the male mold accordingly. | ||
| - | In (c), the forming process is shown “in real time,” so to speak. | + | In (c), The critical caution is not to let the water boil. If vinyl is dipped in boiling water, it turns cloudy like frosted glass. Instead, once the water boils, remove it from the heat and use it as the temperature drops. |
| As you stretch the vinyl sheet with pliers, the area under tension will elongate. Pin that point with a thumbtack, then continue drawing the sheet over the mold, tacking down any wrinkles. Repeat on the opposite side. When the usable area is entirely wrinkle-free, | As you stretch the vinyl sheet with pliers, the area under tension will elongate. Pin that point with a thumbtack, then continue drawing the sheet over the mold, tacking down any wrinkles. Repeat on the opposite side. When the usable area is entirely wrinkle-free, | ||
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| ==== Landing Gear Construction ==== | ==== Landing Gear Construction ==== | ||
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| Now comes the notoriously troublesome part—the landing gear. Unless one is a master carver like Hidari Jingorō, it is virtually impossible to carve such complex parts from a single piece of wood. As a result, metal components—and the challenges of soldering—become essential.\\ | Now comes the notoriously troublesome part—the landing gear. Unless one is a master carver like Hidari Jingorō, it is virtually impossible to carve such complex parts from a single piece of wood. As a result, metal components—and the challenges of soldering—become essential.\\ | ||
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| ==== Propeller Construction ==== | ==== Propeller Construction ==== | ||
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| As shown in **Figure 8**, begin with the spinner. Drill into a clean-grained wood block with a bit just large enough for a sewing pin (about 0.8–0.9 mm). | As shown in **Figure 8**, begin with the spinner. Drill into a clean-grained wood block with a bit just large enough for a sewing pin (about 0.8–0.9 mm). | ||
| - | Then, as in (B), cut the block 3–4 mm longer than final size. In (C), carve the spinner toward the center hole. If you lack a hand drill, insert a pin and rotate the piece by hand while sanding; it will produce a sufficiently accurate spinner for practical use. | + | Then, as in (**B**), cut the block 3–4 mm longer than final size. In (**C**), carve the spinner toward the center hole. If you lack a hand drill, insert a pin and rotate the piece by hand while sanding; it will produce a sufficiently accurate spinner for practical use. |
| - | If you do have a hand drill, follow (D): mount the same bit in the chuck, cut a small triangular piece of tinplate, and wedge it into the chuck gap. Press the tip of the triangle against the back of the spinner; this lets the spinner rotate freely without the drill slipping. | + | If you do have a hand drill, follow (**D**): mount the same bit in the chuck, cut a small triangular piece of tinplate, and wedge it into the chuck gap. Press the tip of the triangle against the back of the spinner; this lets the spinner rotate freely without the drill slipping. |
| - | This method yields a well-centered spinner comparable to a lathe-turned part. In (E), drill a hole just large enough for the pinhead. In (F), glue a small wooden plug into the rear, let it dry, and file it flush. | + | This method yields a well-centered spinner comparable to a lathe-turned part. In (E), drill a hole just large enough for the pinhead. In (**F**), glue a small wooden plug into the rear, let it dry, and file it flush. |
| - | Once finished, the spinner should rotate smoothly. Some say that rubbing a little pencil graphite into the pinhead seat improves rotation—feel free to try it | + | Once finished, the spinner should rotate smoothly. Some say that rubbing a little pencil graphite into the pinhead seat improves rotation—feel free to try it.\\ |
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