LNWR Experiment class no. 1561 Yorkshire Mick Bayliss Loco commissions 17th July 201825th July 2018 LNWR Experiment class no. 1561 Yorkshire. I built this model from the David Andrews kit in 2016 as a commission. Basically painted by myself and expertly lined out using bow-pens by John Cockcroft. Slaters wheels and Portescap gears have been used.