inflatable boat-tail

[aerohead]

https://insideevs.com/news/338543/te...to-parked-car/Looking at this 'soft' crash test 'car' and a little stretch of the imagination delivers us part way to Fachsenfeld's 'extensible' tail of the 1930s.
Or Samuel Calthrop's air-resisting train of 1865..................

https://www.youtube.com/watch?v=ry54IG972LI

[freebeard]

I watched:

Art Deco's Impact on Railroads

It starts with the McKeen mororcar. Those ran right past where I grew up before I was born. Trophenwagen-era stuff.

But they wedged the nose and rounded the tail.

https://mckeencar.com/

Faster backwards? I can repost my Type II inflato-tail if you like.

edit: I watched yours. A prop-driven monorail at ?t=163!