Human perception of speed is influenced by:
The case of James Nichols illustrates how simple physics concepts (gear reduction, energy storage, and human biomechanics) can be packaged into an entertaining, viral format that both educates and amazes.
At first glance, the setup looks like a child’s birthday party prop, but there’s solid engineering behind it.
| Component | Function | Key Details | |-----------|----------|-------------| | Hand Pump | Generates pressurized air | 12 psi per full stroke | | Inflatable Toy (Dinosaur) | Acts as a pneumatic “wheel” | Two large air chambers on each side | | Flat Surface | Provides low‑friction track | Smooth concrete, 0.2 µm roughness | | Seal System | Prevents air loss | Silicone gaskets, 95 % efficiency |
When James pulls the pump handle, air is forced into the rear chamber, inflating it and creating a thrust force. The front chamber deflates, reducing drag. Repeating this cycle produces a pulsed propulsion similar to a pneumatic piston.
The average speed recorded in the video was ≈ 3.2 m/s (≈ 11.5 km/h)—fast enough to outrun a casual jogger but still safe for a controlled environment.
If you’ve ever wondered what happens when a seasoned YouTuber, an oversized inflatable toy, and a good‑old‑fashioned hand pump collide, the answer is right here. Grab a snack, settle in, and prepare to laugh at the sheer, unbridled energy of the EnglishLads crew as they crank up the “extra speed” on a massive inflatable contraption.