The Quick-Release Pull-Pin Hinge from Buckshot Racing #77 enables fast, tool-free access to canopies, cowlings, deck lids, compartments, and hatches. A glove-friendly split ring pulls the pin in one motion, while a detent retaining ball keeps the pin seated under hull slap and engine harmonics on STVs, Allisons, tunnel-hulls, offshore hulls, and high-performance river runners.
Construction & Materials
The hinge is stamped and polished 304 stainless steel for marine corrosion resistance and stable bearing surfaces.
A 3/16-in pull pin with a spring-loaded detent and an approximately 13/16-in split ring provides controlled breakout force with wet or gloved hands.
The compact ~2-7/8-in length and 1-1/2-in width fit tight fairings, while 5/64-in leaves and a ~3/8-in knuckle distribute loads on fiberglass, aluminum, or composite skins.
Mechanical Behavior
The detent increases the extraction force to prevent walk-out and rattle at speed, limiting dependence on external restraints. Polished interfaces reduce galling through frequent pit cycles and preserve a consistent pull feel. With routine rinsing, 304 SS resists tea-staining and maintains detent spring responsiveness.
Installation
Mount the fixed leaf to the reinforced structure and align the hinge axis with the panel swing to avoid side-loading. Use stainless machine screws with Nyloc nuts; add backing plates on thin laminates. For cored skins, over-drill, epoxy-plug, and re-drill to isolate the core. Orient the split ring downward or inboard for a clear pull path, and on larger lids pair multiple hinges with a primary latch.
Maintenance & Troubleshooting
Rinse after use and cycle the pin to flush the detent. Inspect for ovalized holes, pin wear, or grit in the knuckle. Apply a light marine protectant and avoid heavy grease. In heavy-salt service, increase freshwater rinses to minimize tea-staining.
If a rattle appears, confirm full seating and check alignment or bore wear. If pulls feel stiff, rinse and cycle to clear detent contamination. Persistent staining indicates inadequate rinsing; consider passivation for salt-only service.
For technical support, contact Mike Hill at +1-714-697-1716 or mike@buckshotracing77.com