DU-BRO – 837 – Standard Clunk
The DU-BRO Clunks are dependable, high-quality fuel pickup weights designed to keep fuel flowing smoothly to your engine throughout every phase of flight. Whether your airplane is climbing, diving, or performing aerobatics, the clunk inside your tank must stay submerged in fuel—and DU-BRO’s precision-made clunks do exactly that.
The Standard Clunk weighs 7.5 grams (0.26 oz.), making it ideal for most sport and scale aircraft.
Each clunk is nickel plated, which helps prevent corrosion caused by glow fuel or gasoline. This creates a long-lasting, durable component that performs reliably over time. DU-BRO also machines fuel line barbs directly into the clunk, helping secure your fuel tubing so it won’t slip off inside the tank—a critical feature for safe and dependable fuel delivery.
DU-BRO clunks are great for:
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Glow and gas engines
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Pattern planes, sport models, scale aircraft
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Large tanks needing strong, consistent pickup
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Pilots who want trouble-free fueling performance
Installation is simple: attach the clunk to your pickup line, insert it into the fuel tank, and enjoy reliable fuel flow on every flight.
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