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Description
Double Cylinder Electric Flat-twin Solenoid Engine Electromagnetic MotorDouble Cylinder Electric Flat twin Solenoid Engine Electromagnetic Motor Features:. Features: The flat double cylinder electromagnetic engine model boasts an exquisite, mini but domineering appearance, high restoration and strong magnetic power, which is a professional model toy that can show your personality clearly. Supports brushless ESC and forward&reverse rotation.. Sophisticated Manufacture: Made of high toughness alloy material, CNC process and
Double Cylinder Electric Flat-twin Solenoid Engine Electromagnetic MotorFeatures:
.Features: The flat double-cylinder electromagnetic engine model boasts an exquisite, mini but domineering appearance, high restoration and strong magnetic power, which is a professional model toy that can show your personality clearly. Supports brushless ESC and forward&reverse rotation.
.Sophisticated Manufacture: Made of high-toughness alloy material, CNC process and metal drawing process, the elaborately-polished model with originality features rich-in-luster, delicate and cool surface, along with the mechanical sense of metal for long-term use and storage, suitable for an ideal desktop display.
.Operating Principle: Electric energy is converted into magnetic energy, and then the magnetic energy is converted into mechanical energy to do work. According to the principle of magnetic repulsion and attraction of opposites, a small amount of electric energy is scientifically used to generate strong magnetic energy. Through the electromagnets of each cylinder repel and attract each other within the set range, the strong repulsive force and attracting force pressure the lower magnet into movement, thereby pushing the connecting rod and driving the crankshaft to rotate to complete the engine work process.
.Usages & Values: Suitable for the modification of 1/10 model cars, the product with lots of fun can be operated and used in science and education experiment or teaching, which is helpful to understand its structure and principle, improve the interest in learning scientific knowledge, also available as a personal collection and tabletop ornament.
.Notes: The customized product was taken in kind without modification to reflect the original taste of the metal. You can paint it any color you like, or optimize the machine structure if you have the superior hands-on ability. More room for expansion and upgrades are waiting for you to DIY and operate the engine in line with your ideas.
Specifications:
.Material: Metal
.Piston Diameter: 8mm
.Piston Stroke: 8mm
.Voltage: 6V-12V (7.4V 2S Li battery is recommended)
.Current: Over 1A
.Product Dimensions: 8 x 5.5 x 3.8cm
.Product Weight: 62g
.Package Dimensions: 15 x 10 x 8cm
.Package Weight: 90g
.Packing: Carton Box
.Ages: 14+
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
★★★★★ 1
Cracked Tooth
Update: While I originally loved this product and so did my dogs, I feel the need to update this review. The Dura Chew Nylabones are incredibly hard, which is what makes them last so long. However, one of our dogs did crack a tooth recently from chewing on a Dura Chew. Since then, we have been very hesitant to allow any of our dogs to chew on these as other reviews also state that dogs have cracked teeth. We have since thrown out all of the Dura Chews that we had. We are still using the regular Nylabone products (when they aren't made in China), but once those are gone we will not buy any additional products from Nylabone. We have been buying Whimzees for our dogs for the last two years or so and they are a healthy edible alternative. They do not last as long because they are edible, but I have the peace of mind in knowing that my dogs are safe with them. Another healthy alternative would be antlers, which we also give to our dogs and they usually last a long time.
Original review: Another great Nylabone product. I love that dogs can chew on Nylabone products and they can't pull off pieces like products from other brands (Hartz for example). The Dura Chews are especially great for our hard chewers and they last forever! I love all of the dimples on their chews too, they're great for keeping our dogs' teeth clean. The vet is always impressed when they check their teeth.
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Reviewed in the United States on March 21, 2015
★★★★★ 5
Excellent for heavy chewers!
Flavor Name: Beef, Size: Mini
My dog is between 1-2 years old, and is a heavy chewer. So far the Better Bone is lasting very well! He still is chewing away at it! Excellent quality, and I appreciate that there’s no plastic that my dog is consuming.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
By far ... the SAFEST and most DURABLE bone for dogs that are hardy chewers!
Flavor Name: Beef, Size: Large
After searching high and low for a NON-TOXIC, DURABLE and truly SAFE dog bone, I finally found the large, beef-flavored, HARD version of the BetterBone for my year-plus-old rescue (Carolina Dog).
1 - it's made of all NATURAL food-grade materials (cellulose from plant cell walls) ... which means no nylon, no GMOs, and no other artificials materials so it doesn't event stain your flooring. My girl loves the tasty beef flavor.
2 - the wishbone DESIGN is genius because it gives her 3 ends to choose from (nubs v raised edges v smooth) and ample ways to stabilize it on the floor with her paws.
3 - it is uber DURABLE in standing up to the hardiest of chewers (my girl gnaws on hers daily and sometimes even multiple 10-minute sessions per day). It works great to clean and reduce tartar on her teeth. The biggest surprise was that it took 6 months for her to gnaw it down to a size that was no longer safe for her (i.e. a potential choking hazard), so I donated it to a lady with tiny dogs at the dog park. At $20 per large bone, it's a good value.
4 - and most importantly, ... it is super SAFE. It degrades in tiny little pieces that could not possibly cause a choking hazard, and being all natural (i.e. no nylon - which most bones do have), there is no worry if she does ingest some of the particles. They vacuum up with ease.
The large bone weighs in at just over 12 ounces so it's kinda' heavy (9.25" long x 5" wide x 2" thick), but my 56 lb girl has no problem picking it up in her mouth before she hops up on the couch with me or into her bed.
Thank you BetterBone for making a superior product that is healthy, safe and fun for my pup!
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Reviewed in the United States on July 15, 2025
★★★★★ 5
Great chew
Flavor Name: Beef, Size: Large
Excellent! My super chewer loves it!
He chews it everyday and it holds up!
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Reviewed in the United States on May 1, 2026
★★★★★ 4
Decent durability
Flavor Name: Beef, Size: Small
My super chewer pit bull mix loved these! They lasted several weeks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
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