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Making aircraft RK-1 "Swallow" fuel tank. It works as a back-rest. It has dual fuel-level system (electronic and mechanical). Tanks is filled through the top/side of an aircraft.
Tank is fixed with aliuminium belts. Bottom of the tank, has a valve to release fuel residuals (water, particles, etc). It weights around 3 kg, is ~40 l capacity.
(click on the picture to zoom it)
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Initially, wooden template from 10 mm plywood produced. Aliuminium sheet is cut, with 8 mm sides bent down.
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Based on template, sides are bent.
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One more step.
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Ok to check how does it match.
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Continuing bending.
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Last corner.
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To expand it and make it stronger, sides are balooned with "english wheels"
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Quite noticeable.
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Perfect match - need to weld.
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Welding complete
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Remaining: add valves for fuel release/transfer, fuel level equipment, close bottom, install other parts
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Product complete |
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