Telefly TF-PE550 2-Stroke Gasoline Engine 50HP Aeroengine 37kw Aeromotor Aircraft Engine

• Warranty: 1 Year
• Ignition Mode: Electric Ignition
• Speed: High Speed
• Model NO.: TF-PE550
• Cooling Cylinder: Air-Cooled
• Intake Pressure Impulse: Naturally Aspirated
• Piston Movement: Rotary
• Fuel: Gasoline
• Number of Strokes: Two-Stroke
• Cylinder Arrangement Form: H
• Number of Cylinders: Double-Cylinder
• Type: Combustion Engine
• Condition: New Original
• Cylinder Bore: 58mm
• Stroke: 52mm
• Displacement: 550cc
• Power Output: 50HP
• Max Rpm: 7500
• Transport Package: Carton
• Specification: 58mm*52mm
• Trademark: Telelfly
• Origin: China
• HS Code: 8407101090
• Production Capacity: 300PCS/Month

Product Description

Product

Telefly TF-PE550 2-stroke Gasoline Engine

Operated Requirements:
(1)The operator should be familiar with how to quickly stop the engine in emergency
(2)A safe zone should be established around the propeller where no person or object is allowed to enter, and protective shields should be installed
around the propeller in necessary.
(3)Before running the engine, it should be fully checked that the engine is firmly connected to the aircraft and the fixed mount.
(4)Before running the engine, it should be ensured that the propeller is installed correctly, and the propeller should not be damaged.
(5)Accordance with the type of engine fuel and the required fuel and lubricating oil mixing ratio strictly, please do not change it in private
(6)Please check whether the fuel system and circuit connection are correct and reliable before each use carefully.

Parameter	Specification
Displacement	550cc
Cylinder Bore	58mm
Stroke	52mm
Engine Weight	18.5kg
Operating RPM Range	1200-7000 rpm
Max Output Power	50 HP / 7500 rpm
Fuel	95# Unleaded Gasoline + Full-synthetic 2T Oil
Fuel Consumption	453g/kw/h
Max Torque	42N.M / 5600RPM
Recommended Propeller	30x25,32x20,33x20(Two-blades)
Static Tensile Force	73kg/(32x20 5600rpm)
Start-up Mode/Starting Voltage	Electric start /22.2V(6S)
Operating Temperature	-25ºC to +60ºC
TBO	200h

Company

  SHENZHEN TELEFLY POWER CO., LIMITED is a national-level scientific and technological-based high-tech

enterprise integrating R&D, production, sales, and after-sales services.

  TELEFLY began R&D on components of micro turbojet engines in 2013, started selling related components in 2014, and officially launched complete micro turbojet engine products in 2019. TELEFLY has successfully developed a series of micro turbojet engines with max thrust from 60N to 400 daN. These engines have been fully recognized by customers at home and abroad for their performance, stability, reliability, cost-effectiveness, and after-sales support.

  In 2025, TELEFLY made a breakthrough in diesel cracking technology and launched a new generation of portable smokeless diesel generators and high-efficiency diesel heaters.These products are widely applied in fields such as civil use, rescue operations, emergency power supply, and outdoor heating, and offer advantages including high energy density, low emissions, and light weight. TELEFLY is committed to providing cleaner and more reliable mobile energy solutions for global customers.

  Note: All of TELEFLY products are solely for civilian use and don't allowed for mili'tary purposes.

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Packaging & Shipping

FAQ

Q1: Are you a factory or a trading company?

A1: We are an integrated industrial and trading company. We have our own factory responsible for R&D and production, as well as a professional foreign trade team responsible for global customer service and export support. This ensures competitive pricing and efficient delivery.

Q2: What are your main products?

A2: Our main business includes turbojet engines and related accessories. We also have experience in manufacturing and exporting communications equipment and modules. We support OEM/ODM services based on customer needs.

Q3: How do you ensure product quality?

A3: We have a comprehensive quality control system;

       Strict raw material inspection;

       Full-process inspections;

       100% functional and safety testing before shipment.

       Some products have also passed relevant certifications to ensure compliance and safety.

Q4: If there are any issues after placing an order, what is the after-sales service?

A4: We have a professional after-sales team, and our products are covered by a warranty (the specific duration varies by product). If quality issues arise, we provide technical support, parts replacement, or other reasonable solutions to ensure peace of mind for our customers. 

Q5: What shipping methods do you offer?

A5:1) Big order: By sea or by air.

      2) Small order: DHL, TNT, UPS, FEDEX, EMS,ARAMEX.

Q6: What's the terms of the transaction?

A6:EXW, FCA, FAS, FOB, C&F, CIF, CPT, CIP, DAF, DES,DDP.