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Item #:
100121576
E-flite Prop Adapter with Setscrew 4mm EFLM1931 Spinners & Hub Nuts
89% of respondents would recommend this to a friend
Item #:
100121576
TJS 163
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Order now and get it around Wednesday, September 16
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What Stands Out
Precision Fit
Designed for seamless integration with E-flite 4mm spinners, ensuring stability and reliability in high-performance models.
Durable Material
Constructed from high-quality materials, providing longevity and resilience for repeated use in various flying conditions.
Easy Installation
Simple setscrew mechanism allows for quick and hassle-free attachment, making it ideal for hobbyists looking to save time during assembly.
Product Details
| Brand Name | E-flite |
| Model Number | EFLM1931 |
| Manufacturer | E-flite |
| UPC | 605482773031 885908838562 |
| Global Trade Identification Number | 00605482773031 |
| Set Name | Prop Adapter with Setscrew, 4mm |
| Manufacturer Part Number | EFLM1931 |
| Item Dimensions | 4 x 2.1 x 0.64 inches (10.2 x 5.3 x 1.6 cm) |
| Item Weight | 9.07 g |
| Material Type | Aluminum |
| Color | Silver |
| Brand | E-flite |
| Material | Aluminum |
| Item dimensions L x W x H | 4 x 2.1 x 0.64 inches (10.2 x 5.3 x 1.6 cm) |
Who Should Buy?
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RC Aircraft Hobbyists
Ideal for hobbyists building or upgrading RC aircraft, providing a reliable connection for propellers.
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Model Airplane Builders
Perfect for builders needing precision components to enhance their model airplane's performance and appearance.
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Beginners in RC
Great for newcomers to RC flying, offering ease of installation and durability for reliable use.
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Heavy-Duty Applications
Not suitable for heavy-duty applications requiring higher torque or large-scale propellers.
Product Description
E-flite Prop Adapter with Setscrew 4mm EFLM1931 Spinners & Hub Nuts
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the purpose of the E-flite Prop Adapter with Setscrew 4mm EFLM1931?
Answer: The E-flite Prop Adapter with Setscrew is designed to securely attach propellers to electric motors, ensuring a stable and reliable connection during flight. This adapter features a 4mm fitting, making it compatible with various electric propulsion systems. Using a quality prop adapter enhances performance and reduces the risk of propeller slippage, ensuring that your aircraft operates efficiently and safely during flight. It is particularly beneficial for hobbyists looking to upgrade or replace worn-out components for projects like RC airplanes and drones. -
Question:
Is the E-flite Prop Adapter compatible with all types of electric motors?
Answer: The E-flite Prop Adapter is primarily designed for 4mm shaft electric motors, making it compatible with a wide range of electric power systems used in RC applications. It is essential to check the motor's shaft diameter and ensure it matches the adapter's specifications for optimal performance. Using the correct prop adapter not only enhances the aircraft's aerodynamics but also helps prevent damage to both the motor and the propeller, ultimately improving the overall flight experience. Ideal for modelers who regularly swap out propellers or upgrade their setups. -
Question:
How do I install the E-flite Prop Adapter with Setscrew?
Answer: To install the E-flite Prop Adapter, begin by loosening the setscrew located on the adapter with an appropriate tool. Next, slide the adapter onto the motor shaft until it is properly positioned. Tighten the setscrew securely to ensure a firm grip on the shaft. Using Loctite or similar thread-locking compound on the setscrew can enhance stability during prolonged usage. This installation process is ideal for hobbyists who frequently change propellers or perform maintenance on their RC crafts, ensuring a tight fit that promotes better performance. -
Question:
Can I use the E-flite prop adapter with different sizes of propellers?
Answer: Yes, the E-flite Prop Adapter is versatile and can accommodate various propeller sizes that fit a 4mm shaft. The suitability of a propeller also depends on the aircraft's specifications and requirements for optimal performance. When selecting a propeller, consider the size and pitch that align with your aircraft's intended use, such as speed or agility. This adaptability makes it a practical choice for enthusiasts looking to fine-tune their RC aircraft for varying flying situations, enhancing overall experience and performance. -
Question:
What materials are used in the construction of the E-flite Prop Adapter?
Answer: The E-flite Prop Adapter is typically crafted from durable materials such as aluminum or high-strength plastic, which provide a lightweight yet robust build. The choice of materials ensures longevity and resistance to wear and tear during frequent use. This robustness is crucial for maintaining structural integrity during flight, especially for high-performance applications. For RC pilots who demand reliability and performance from their gear, using quality components like this prop adapter is essential for ensuring smooth operations in various flying conditions. -
Question:
What features should I look for in a prop adapter?
Answer: When looking for a prop adapter, key features to consider include compatibility with shaft size (like the 4mm of E-flite), the quality of materials for durability, and the design of the setscrew for secure attachment. Additionally, consider adapters that offer surface finish treatments to prevent corrosion and enhance grip. This attention to detail is vital for both casual and competitive RC flying enthusiasts, as it can make a significant difference in propeller stability and overall aircraft efficiency during flight. -
Question:
What benefits does a prop adapter provide for electric RC aircraft?
Answer: A prop adapter, such as the E-flite model, ensures a secure and stable connection between the propeller and the motor, significantly enhancing the performance of electric RC aircraft. It allows pilots to easily swap out different propellers, enabling adjustments for various flight conditions or styles, such as acrobatics or cruising. For hobbyists looking to optimize their setups, a good prop adapter is essential, as it prevents vibration and improves thrust efficiency, allowing for smoother flights and improved control over the aircraft. -
Question:
Can I use the E-flite Prop Adapter if I’ve never worked with RC aircraft before?
Answer: Absolutely! While some assembly knowledge is helpful, the E-flite Prop Adapter is designed for ease of use, making it accessible for beginners. Most instructions are straightforward, guiding you through installation without complicated tools. This is particularly beneficial for those just entering the RC hobby, aiming to learn and improve their skills. Using reliable and easy-to-install components such as this prop adapter can enhance the learning experience while promoting confidence in managing various aircraft maintenance tasks. -
Question:
Where can I buy E-flite Prop Adapter with Setscrew 4mm EFLM1931 Spinners & Hub Nuts?
Answer: You can conveniently purchase the E-flite Prop Adapter with Setscrew 4mm EFLM1931 Spinners & Hub Nuts from Ubuy in Tajikistan. Ubuy offers a diverse range of RC products and accessories, ensuring a smooth shopping experience. Their platform is designed to cater to both hobbyists and professionals alike, providing access to high-quality gear that meets your remote control needs. -
Question:
What is the weight of the E-flite Prop Adapter allowing me to gauge its impact on flight performance?
Answer: The E-flite Prop Adapter is designed to be lightweight, typically weighing just a few grams. This minimal weight helps ensure that it does not significantly affect the overall flight performance of your RC aircraft. A lightweight prop adapter is crucial for maintaining optimal thrust-to-weight ratio and enhancing maneuverability. For pilots focused on performance, selecting lightweight components can lead to improved flight dynamics and better responsiveness, especially in competitive scenarios.
E-flite Remote & App Controlled Vehicle Parts EFLM1931 Editorial Review
E-flite Prop Adapter with Setscrew 4mm EFLM1931 Spinners & Hub Nuts is a well-built aluminum adapter suited for model airplanes featuring a 4mm shaft. Users appreciate its balanced design, but some express concerns regarding the set screw quality, which may not provide a secure fit. The absence of knurling on the gripping faces can lead to props slipping under load, making it less ideal for high-speed applications. Despite these drawbacks, many find this product good enough for simple replacements in existing planes, with safety benefits over collet type adapters highlighted in various reviews.
Customer Reviews & Ratings
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Pros
- High-quality aluminum construction enhances durability.
- Fits perfectly on 4mm shafts for various models.
- Straight and balanced design improves performance.
- Safety benefits over collet-type adapters noted.
Cons
- Set screw quality could be improved to ensure secure fit.
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
EK
Emmanuel
Verified buyer
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
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fnd
Verified buyer
“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
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Leana
Verified buyer
“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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