Racking a PDP-11/24

[Fred Cisin]

> I am not in the USA, but I am should be able to look for other screwdrivers
> here in the UK. I already have one quite big one, but I think it is still
> way too small for this purpose.

How big is it?

For ridiculously large flat-blade screws, look at "drag link socket"s.

For just getting extreme amounts of torque, use a bit on a ratchet, rather 
than on a screwdriver handle.