Ah yes I had one of them as well, with a big coil spring inside that jumps out when you release the fixing.

https://www.flickr.com/photos/dwhitworth/6486635855 🙂

I’m afraid it looks more like a domestic television chassis. The warning about “live chassis” is a clue.

could be Bristols

Yes, the second control wheel thingy was not normally fitted.

I see from a picture that PA474 has a second set of rudder pedals as well – that must make access to the forward compartment difficult?

It looks like a standard rubbery coupling used for example to connect a pump to an engine taking account of less than perfect alignment. This could well be the coupling to the accessory gearbox mounted on the bulkhead and driven from the rear of the Bristol Hercules engine.

http://www.hitechseals.com/includes/pdf/Suppliers%20Literature/Paulstra%20-%20Red-%20Flexible%20Couplings.pdf

Don’t know about the Halifax, but I’m sure someone on here will.

I would say it is the bar of the ‘t’

Ilyushin-14 cockpit project

Nice project for someone with space and woodworking skills