Five-inch is the FPV workhorse. Freestyle, racing, tactical FPV and attritable quads were designed around a handful of HQProp and Gemfan tri-blades, and the 5-inch SKUs in the line are built as drop-ins for those parts — same diameter, pitch and hub — so a platform keeps its tune when the supplier changes.
Material follows application, not size: glass-fiber-reinforced PA66 where a platform needs stiffness under load, polycarbonate where it needs impact survival and low rotational mass. Several sizes are offered in both.
6 of 19 propellers in the line
Each SKU is referenced to the foreign part it is built to drop in for. If the part number on your BOM is here, the Anvil size is the domestic replacement; if it isn't, check the full cross-reference or send us the number.
| Anvil Part Number | Size | Drop-In For | Class |
|---|---|---|---|
| ANV-P5040 | 5×4×3 | HQProp Ethix S5 | HQProp / Gemfan-equivalent |
| ANV-P5040 | 5×4×3 | HQProp 5X4X3 V1S | HQProp / Gemfan-equivalent |
| ANV-P5040 | 5×4×3 | Gemfan 5040 3-blade | HQProp / Gemfan-equivalent |
| ANV-P5043 | 5×4.3×3 | HQProp 5X4.3X3 V1S | HQProp / Gemfan-equivalent |
| ANV-P5136 | 5.1×3.6×3 | Gemfan Hurricane 51466 | Gemfan Hurricane-class |
| ANV-P5136 | 5.1×3.6×3 | Gemfan Hurricane 51466 MCK V2 | Gemfan Hurricane-class |
| ANV-P5131 | 5.1×3.1×3 | Gemfan Fury 5131.0 | Gemfan Fury-class |
Send the part number on your BOM with your quantity, NDAA requirement, and timeline. Anvil Propulsion will tell you straight whether it's in the line, and other configurations are handled as custom programs.
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