RC engine mounts are critical components for securing an engine within an RC vehicle or aircraft, absorbing vibrations, and ensuring optimal power transfer. They are essential for maintaining engine stability and prolonging the lifespan of both the engine and the model itself, commonly used across RC airplanes, cars, and trucks. Products were evaluated based on material quality, application compatibility, vibration dampening capabilities, user reviews, and feature analysis.
1Pair Miracle CNC Engine Shock Absorbing Mount for 20CC RC Airplane Black
$9.99
The 'Miracle CNC Engine Shock Absorbing Mount' offers precision manufacturing and integrated vibration dampening, crucial for performance and longevity in RC aircraft.
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uxcell Pair 40-50 Size Fixed Wing Airplane 52mmx88mm Isosceles Engine Mounts
$7.29
The 'uxcell Pair 40-50 Size Fixed Wing Airplane Isosceles Engine Mounts' provide a cost-effective and straightforward solution for common fixed-wing aircraft sizes.
View on AmazonThe 'Losi Engine Mounts 8/8T RTR' are designed as direct OEM replacements for specific high-performance gas car/truck models, ensuring precise fit and intended performance characteristics.
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- Product Name : RC Airplane Engine Mounts;Type : 004-00101
- for : 50-120 Size Fixed Wing Aircraft;Bracket Size (Each) : 68 x 105mm/ 2.7" x 4.1"(D*H)
- Material : Plastic;Color : Black
- Net Weight : 130g
- Package Content : 2 Pair x RC Airplane Engine Mounts
- Color：Black
- Material：Nylon
- Package Includes：1 Set Engine mount bracket
- Size：Bottom diameter 50mm/1.97", height 80mm/3.15", suitable for 40-70 class fixed wing plane
- Application：1Set RC Plane adjustable engine mount bracket for RC airplane,plane,helicopter,diy model aircraft engine mount parts
- 1Pair Miracle CNC Engine Shock Absorbing Mount for 20CC RC Airplane Black
- Color :BLack
- Product Name : RC Airplane Engine Mounts;Type : 004-00501
- for : 120-180 Size Fixed Wing Aircraft;Bracket Size (Each) : 65 x 130mm/ 2.6" x 5.1"(D*H)
- Material : Plastic;Color : Black
- Net Weight : 140g
- Package Content : 1 Pair x RC Airplane Engine Mounts
- Product Name : RC Airplane Engine Mounts;Type : 004-00202
- for : 40-50 Size Fixed Wing Aircraft;Bracket Size (Each) : 52 x 88mm/ 2.1" x 3.4"(D*H)
- Material : Plastic;Color : Black
- Net Weight : 80g
- Package Content : Pair x RC Airplane Engine Mounts
- Color：Black
- Material：Nylon
- Package Includes：1 Set Engine mount bracket
- Size：Bottom diameter 45mm/1.77", height 73mm/2.87", suitable for 20-48 class fixed wing plane
- Application：1Set RC Plane adjustable engine mount bracket for RC airplane,plane,helicopter,diy model aircraft engine mount parts
- Color：Black
- Material：Nylon
- Package Includes：1 Set Engine mount bracket
- Size：Bottom diameter 60mm/2.36", height 110mm/4.33", suitable for 60-120 class fixed wing plane
- Application：1Set RC Plane adjustable engine mount bracket for RC airplane,plane,helicopter,diy model aircraft engine mount parts
- Color：Black
- Material：Made of plastic
- Package Includes：1 Set RC Plane engine mount
- Size：52mm/2.05" bottom length, 90mm/3.54" height,suitable for 40-50 clasee fixed wing airplane
- Application： RC Airplane fixed wing airplane engine mount for model aircraft helicopter DIY model plane fixed wing parts
- Compatibility: Compatible with HSP Infinite 02049 1/10 RC Model Nitro Car
- Made of aluminum alloy, durable and lightweight, suitable for fixing 1:10 RC model cars
- Equipped with 4 bolts to ensure that the support frame is tightly connected to the model car engine, stable and reliable
- Size is 30 x 20.7 x 10mm, perfect fits for RC engine mounting needs
- Improve the overall appearance of the model car, suitable for RC model enthusiasts
- The number one selling name ins RTR
- Innovative design and engineering
- Made using only the highest quality components
- Use Traxxas stock and hop-up replacement parts to get the most out of you Traxxas RTR vehicles
- This product is made from high quality materials and designed for lasting performance
- This is for use on RC vehicles such as the Traxxas Revo; consult your user's manual for exact parts listings
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Last update on 2026-07-15 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best RC Engine Mounts
Material and Construction Quality
The material of an RC engine mount significantly impacts its durability, weight, and vibration absorption characteristics. Plastic mounts, such as those offered by uxcell for various fixed-wing aircraft sizes (e.g., 40-50 or 50-120), are typically lightweight and economical. However, they may not offer the same rigidity or long-term resilience as metal alternatives, particularly under high stress or vibration from larger engines. CNC-machined mounts, like the 'Miracle CNC Engine Shock Absorbing Mount', are crafted from metal alloys, providing superior strength, precision, and often better heat dissipation. In practice, CNC mounts tend to withstand the rigors of powerful nitro or gasoline engines more effectively, reducing flex and improving overall engine stability.
Engine Size and Application Compatibility
Selecting an engine mount that precisely matches your engine's size and the model's application is paramount. For fixed-wing aircraft, mounts are typically specified by engine size ranges, such as '20CC' for the 'Miracle CNC' mount or '40-50 Size' and '50-120 Size' for various uxcell options. Misalignment or an improperly sized mount can lead to excessive vibration, engine damage, or even structural failure of the airframe. For RC cars and trucks, like the 'Losi Engine Mounts 8/8T RTR', mounts are often brand-specific and designed to fit particular chassis models and engine types (e.g., gas engines), ensuring seamless integration and optimal performance within that specific platform. Users report that generic mounts, while versatile, may require modifications to achieve a perfect fit compared to dedicated OEM parts.
Vibration Dampening and Engine Type
Effective vibration dampening is a critical feature, especially for nitro and gasoline engines that produce significant vibrations. Some mounts, like the 'Miracle CNC Engine Shock Absorbing Mount', are explicitly designed with shock-absorbing properties to isolate the engine's vibrations from the airframe. This not only protects the structural integrity of the model but also safeguards sensitive electronics from vibration-induced failures and provides a smoother flight or driving experience. While many plastic mounts, including the uxcell isosceles and split designs, offer some inherent dampening due to material properties, they typically do not feature dedicated shock-absorbing mechanisms found in more advanced or specialized mounts. The type of engine (electric, nitro, gas) should guide your choice, with more powerful, vibration-heavy engines benefiting most from specialized dampening.
Pros & Cons
1Pair Miracle CNC Engine Shock Absorbing Mount for 20CC RC Airplane Black
Pros
- CNC machined construction offers high precision and strength.
- Integrated shock-absorbing design helps reduce engine vibration.
- Designed specifically for 20CC RC airplanes, ensuring a tailored fit for that engine class.
Cons
- Specific to 20CC engines, limiting compatibility with other sizes.
- May be a more premium option, potentially higher initial investment.
uxcell Pair 40-50 Size Fixed Wing Airplane 52mmx88mm Isosceles Engine Mounts
Pros
- Lightweight plastic construction, beneficial for overall aircraft weight.
- Designed for a common 40-50 size fixed-wing aircraft, offering broad applicability.
- Isosceles design is generally straightforward to install.
Cons
- Plastic material may offer less durability compared to metal mounts over time.
- Lacks specific shock-absorbing features, potentially transmitting more vibration.
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Pros
- Genuine Losi replacement part ensures perfect fit and compatibility for 8/8T RTR models.
- Designed for gas car/truck applications, implying robust construction for demanding environments.
- Maintains original vehicle performance specifications due to OEM design.
Cons
- Highly specific to Losi 8/8T models, not suitable for generic applications.
- Material details are not explicitly stated, making it difficult to assess specific strength/weight.
Common Mistakes to Avoid
Ignoring Engine Size Specifications
A frequent error is purchasing an engine mount without carefully checking its compatibility with the engine's size. For instance, attempting to fit a '20CC' engine mount, like the 'Miracle CNC' model, onto a '40-50 Size' engine, such as those compatible with uxcell's mounts, will result in an improper fit. This mismatch can lead to misalignment, excessive vibration, and potential damage to both the engine and the airframe. Always verify the cubic centimeter (CC) or size range specified by the mount manufacturer.
Overlooking Application-Specific Mounts
Many users mistakenly assume that all RC engine mounts are interchangeable across different types of models. However, mounts are often designed for specific applications, such as fixed-wing aircraft versus gas cars/trucks. The 'Losi Engine Mounts 8/8T RTR' are explicitly for gas cars/trucks, meaning they have different mounting patterns, stress tolerances, and designs than those intended for airplanes. Using an airplane mount on a car, or vice-versa, can compromise structural integrity and performance due to differing load requirements and chassis designs.
Disregarding Material and Mount Type
Another common oversight involves neglecting the material and specific design type of the mount. For example, 'Isosceles Engine Mounts' from uxcell offer a basic, robust structure, while 'Split Engine Mounts' (also from uxcell) provide flexibility for installation or engine removal. The 'Miracle CNC Engine Shock Absorbing Mount' highlights its shock-absorbing capability. Choosing a simple plastic mount for a high-vibration, powerful engine that requires advanced dampening can lead to premature wear and failure. Always match the mount's material and features to the demands of your engine and model.
