EUDAX6 Set DC Motors Kit, Mini Electric Hobby Motor 3V -12V 25000 RPM Strong Magnetic with 86Pcs Plastic Gears, 9V Battery Clip Connector,Boat Rocker Switch,Shaft Propeller for DIY Science Projects

EUDAX6 Set DC Motors Kit, Mini Electric Hobby Motor 3V -12V 25000 RPM Strong Magnetic with 86Pcs Plastic Gears, 9V Battery Clip Connector,Boat Rocker Switch,Shaft Propeller for DIY Science Projects

Q: How fast are the motors in mph?

Miles per hour is used for measuring things with linear speed. No one would be able to answer this question for you because it's entirely dependent on what you plan on using the motors for. If you are wanting to know the linear speed of, say, a toy car that you want to put one of these motors in, then it depends on the diameter of the car's wheels and the gear ratio of the car's drivetrain. For example, let's say you put this in a toy car that has a drivetrain with a gear ratio of 10:1. The description says the motor is capable of up to 25,000 rpm (with no load, but we'll ignore that part for simplicity's sake), so this means the car's wheels would be rotating at 2,500 rpm. Then, let's say the car's wheels have a diameter of 1 inch - this means the wheels have a circumference of 3.14 inches. So every time the wheels make one full rotation, the linear distance traveled would be 3.14 inches, and since the wheels are making 2,500 rotations per minute, this means the car would travel at 7,850 inches per minute. Convert that number into miles per hour and you get 7.43 mph. But again, that speed would only be true if the gear ratio was 10:1 AND the wheels were 1" in diameter. However, even if your wheels and drivetrain matched that example, you would never actually reach 7.43 mph in the real world. The motor would spin slower because it would have a mechanical load applied to it, plus friction in the system and gear inefficiencies would reduce the total power output. Realistically, you might see a speed around 6 - 7 mph, depending on how heavy the car is. Theoretically, you could achieve a higher top speed by reducing the gear ratio, but this will also reduce the amount of torque the wheels are capable of producing, which means you might have a harder time leaving the starting line.

Q: Can the motors run at a variable speed? 24000 rpm is way too fast for my application.

Yes,it can run at a variable speed if you can adjust voltage lower or higher ( from 3V to 12V).Good luck!

4.4/5

Product ID: 253435883

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Details

Brand
EUDAX
Theme
Science
Age range (description)
Kid
Material
Plastic
Colour
Silver and Red

⚡Up to 25,000 RPM high-speed motor

🧲Strong magnetic brushed 130 motor for high torque

⚙️86-piece assorted plastic gear set included

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6 Set DC Motors Kit, Mini Electric Hobby Motor 3V -12V 25000 RPM Strong Magnetic with 86Pcs Plastic Gears, 9V Battery Clip Connector,Boat Rocker Switch,Shaft Propeller for DIY Science Projects

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Description

⚙️ Power your passion, build your future!

MAGNETIC MUSCLE - High-torque brushed motors deliver reliable strength for complex mechanical builds.
COMPLETE STEM TOOLKIT - Includes 6 motors, 86 gears, switches, connectors, and propellers—everything to innovate instantly.
FUTURE READY LEARNING - Designed for ages 8+, perfect for hands-on science, engineering, and tech exploration that sets you apart.
TURBOCHARGED DIY POWER - Experience blistering speeds from 9,000 to 25,000 RPM for next-level STEM projects.
PLUG PLAY VERSATILITY - Wide 3V-12V voltage range and multiple accessories let you customize your electric creations effortlessly.

The EUDAX 6 Set DC Motors Kit features six high-speed (up to 25,000 RPM) strong magnetic brushed motors with a broad 3V-12V operating range. It comes complete with 86 plastic gears, battery clip connectors, rocker switches, and propellers, making it an all-in-one STEM toolkit ideal for educational DIY science projects and hobbyists aiming to innovate with precision and power.

Specifications

Package Dimensions	18.3 x 11.3 x 4.4 cm; 281 g
Manufacturer recommended age	8 years and up
Manufacturer reference	EUDAX-QC-6SETP
Educational Objective(s)	STEM
Assembly Required	Yes
Batteries Required?	No
Batteries Included?	No
tech_spec_battery_description_toys	Alkaline
Material Type(s)	Plastic
Color	Silver and Red
Release date	1 January 2024
ASIN	B07GDP2FCL

Have a Question? See What Others Asked

How fast are the motors in mph?

can you reverse the direction that the motor spins?

Can the motors run at a variable speed? 24000 rpm is way too fast for my application.

Please advise how to wire positive and negative to the DC motor? What would happen, if positive and negative are reversed

Reviews

4.4

All from verified purchases

A**N

Excellent quality as per the expectation

Excellent quality as per the expectation. Most Ideal and recommendable for school going kids aged 10 years above.I wish to order lot of other items for school projects soon.Amazon is Amazing!!!!Thank you Amazon!

19.02.2020

D**M

Good product

Very decent quality parts.Fun to work with.

16.01.2021

J**D

Good for kids project

It’s a nice kit for kids to make small projects.

27.09.2020

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