Eskalon update

The coupling issues seem to have been finally sorted (touch wood) and some good running has been done over the last few weeks. The new engine D13 needs to be run in as well as D16 and noticeably struggles sometimes when propelling the push-pull coaches. Perhaps the weight of the coaches is rising the loco's wheels slightly resulting in an impaired electrical contact? D16 doesn't seem to suffer from this so it might just be a case of getting the engine run in.