How Bar Lifts Work

In this guide, we break down the three most common bar lifts in robotics—the 2-bar, 4-bar, and virtual 4-bar—to help you choose the perfect one for your next project. ✅ Subscribe! bit.ly/SubscribeBMPratt ⤵️ Why Watch? Ever wondered which type of lift or arm is right for your robot? Getting it wrong can be frustrating, but understanding the fundamentals is easy. We'll explore the simple but effective 2-bar lift, the versatile 4-bar linkage, and the compact virtual 4-bar mechanism. For each type, I'll walk you through the basic mechanics of how it operates and show a practical demonstration so you can see its unique strengths and weaknesses. By the end of this video, you'll have the knowledge to confidently select and design the right lift mechanism for any robotics challenge. ⚙️ Hardware: - The Best PETG Filament: https://amzn.to/4mnNloY - The Best PLA Filament: https://amzn.to/3SmRuf9 As an Amazon Associate I earn from qualifying purchases. 📚 Chapters: 0:00 Intro 0:45 2-Bar Scale Model 1:18 2-Bar Robot 2:39 4-Bar Scale Model 3:35 4-Bar Robot 5:25 4-Bar Pros/Cons 7:03 Virtual 4-Bar Robot 12:30 Virtual 4-Bar Pros/Cons