27-11-23 results:
The Messerschmitt P1101 was identified by
Mick (woody901), PeteP, AllanL, Joe (blanston12), on their first response, getting diamond badges for their trouble.

Brian (Bridon Bear) stumbled over a SAAB on his way to his second answer, good as gold.

- messerschmitt-me-p1101-2.gif (20.17 KiB) Viewed 34463 times
The supplementary motor photo was got in one by Mick, for a bonus star.
The motor was from a computer hard drive, and is about 25mm across.
The precision engineering inside those drives is astounding.
Most use four ball bearing races, two on the motor, two on the arms which hold the reading heads.
The balls in them are about the size of this bold full stop:
.
Thanks All.