Gator RC Round Base Adjustable Engine Mount – 72mm x 110mm The Gator RC Round Base Adjustable Engine Mount is a versatile mounting solution for RC airplane builders needing a reliable, adjustable fit for nitro and gasoline engines. Designed with a round firewall base and adjustable rails, it allows flexible engine positioning for a wide range of fixed-wing aircraft. ✔ Key Features Adjustable rail design fits multiple engine mounting widths Round base mount ideal for firewall installations Compatible with nitro and gasoline engines Durable construction for long-term use Simple installation for new builds or replacements 📏 Specifications Base Diameter: 72mm (2.83") Length: 110mm (4.33") Type: Adjustable round base engine mount Application: Fixed-wing RC airplanes 📦 What’s Included 1 × Pair of adjustable engine mount rails 🛠️ Installation Notes Mount installs directly to the firewall using round base pattern Adjust rail spacing to match engine mounting holes Use threadlocker on all bolts to prevent vibration loosening Check thrust angle (right/down) before final tightening 📌 Choosing the Right Engine Mount Not sure if this is the right mount? Here’s a quick guide: Round Base Mount (This Product): Best for custom builds, replacements, or aircraft without standard beam spacing Beam Mount (Standard Style): Used on most ARF airplanes with pre-set firewall spacing If your firewall does not match a standard beam mount pattern, a round base mount like this gives you more flexibility and easier alignment. 💡 Modeler’s Tip Round base mounts are especially useful when replacing older mounts or fitting engines to airframes without standard beam mount spacing. Always measure your engine’s mounting hole spacing (center-to-center) before installation. 🎯 Best For Sport and trainer RC airplanes Glow and small gas engine installations Replacement of worn or cracked engine mounts Builders needing flexible mounting options