A Pratt & Whitney R-1340 Wasp, generated from its own geometry.
Assembled, cut open, exploded, and running through the four-stroke cycle.
A newer build is ready.
Checking WebXR…
Close any other tab using the camera. A second camera page silently
stops ARCore ever finding a surface — no error, just nothing.
How big it stands
Detail
Recording quality
Clip from your last AR session
Recording
Checking what this device can record…
What the mechanism actually does
Measured off the geometry when this page loaded —
not typed in. Only cylinder 1 has a rod on the crankpin; the other eight hang off knuckle
pins on its flange, so they inherit the master rod's swing as well as the crank's.