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Description
Mini 9 Cylinder Electromagnetic Motor Radial Solenoid Engine Brushless Motor Model TechnologyMini 9 Cylinder Electromagnetic Motor Radial Solenoid Engine Brushless Motor Model Technology Features: . Characters: Designed with a refined appearance of mini domineering and strong magnetic power, the star nine cylinder electromagnetic engine model highly simulates the realistic model with brushless ESC, supporting forward and reverse rotation. It is a professional model toy that will make a great statement of your personality. . Well Artcrafted:
Mini 9 Cylinder Electromagnetic Motor Radial Solenoid Engine Brushless Motor Model TechnologyFeatures:
.Characters: Designed with a refined appearance of mini domineering and strong magnetic power, the star nine-cylinder electromagnetic engine model highly simulates the realistic model with brushless ESC, supporting forward and reverse rotation. It is a professional model toy that will make a great statement of your personality.
.Well Artcrafted: Made of high hardness alloy material, CNC machining and metal wire drawing process that is polished in precision, the surface is rich in metallic luster genuinely. The delicate & cool mechanical model is suitable as a desktop ornament used and stored for a long time.
.Working Principle: Converted the electrical energy into magnetic energy, and then magnetic energy is converted into mechanical energy to do work. According to the principle of same-charges repel each other, while opposite-charges attract and a small amount of electrical energy will generate strong magnetic energy. Each cylinder electromagnet in the set range repels and attracts each other, resulting in a strong repulsion and suction force. The magnet is forced to push the connecting rod to drive the crankshaft to rotate. Then the engine completes working.
.Significance and Value: Suitable for modifying 1/10 scale model car toys. It evokes immersive fun, deepens the understanding of the electromagnetic engine structure and operation principle, and enhances the interest in learning scientific knowledge through operation. Great for science & education experiment or teaching, and DIY model collection.
.Note: This customized model is in-kind shooting without decorative effect treatment, to reflect the original taste of metal. Available for painting into personal favorite color or strong hands-on ability players to optimize the machine structure with more upgrade space for DIY creation, making the machine run on your own.
Specifications:
.Material: CNC Metal
.Engine Diameter: 90mm
.Engine Thickness: 50mm
.Piston Diameter: 10mm
.Piston Stroke: 9mm
.Spindle Diameter: 3mm
.Voltage: 6-12V (7.4V 2S Lithium Battery is Recommended.)
.Current: 5A or above
.Product Dimensions: 9 x 9 x 5cm
.Product Weight: 220g
.Package Dimensions: 15 x 15 x 10cm
.Package Weight: 300g
.Paking: Box
.Ages: 14+
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Nice
Color: Yellow, Size: 6 PACK
My puppy loves these but it stopped squeaking in like 5 min! He’s a big boy tho 🤷🏽♀️
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Reviewed in the United States on April 30, 2026
★★★★★ 4
Close to Perfect
First ball I picked out of the box the squeaky didn't work. 1 out of 24 not bad.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Best balls ever!
Color: Multicolor, Size: 6 PACK, Color: Multicolor, Size: 6 PACK
Rocco sleeps with them
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Dog Toy
I am extremely pleased with Swingers Squeaky 2.5inch Tennis Balls for Dogs purchase. The balls I received were exactly as described in the write up and shown in the pictures. Quality craftmanship, safe and rugged design - exceeded my expectations. They were securely wrapped and carefully packaged. Seamless transaction, prompt shipping. Great A+ value!
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Reviewed in the United States on April 7, 2026
★★★★★ 5
Great
Color: Multicolor, Size: 24 PACK
Our dog is a tennis ball addict and is more than thrilled with these! He occasionally tears one up but most last a few months.
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Reviewed in the United States on April 12, 2026