Hi John,
Small world this, You cannot beat the old huff and puff instrumentation, far more interesting then these new fangled PLC's.
I have done 3 BSA and 2 Land rovers over the last 10 years been retired coming up to seven years and have never looked back.
1 Auxiliary Fire service B40.
1 Military B40.
1 Military M20
1 Military S111 lightweight.
1 Civvy S11A.
Now "slowly" making 5" gauge "Speedy" loco.
Have a very happy retirement you will find there are not enough hours in the day.