Itinery. Leave London behind as soon as possible, first stop on the A1 Northbound The Shuttleworth Air Museum.
Continue on to overnight stay in The Petwood Hotel , Woodhall Spa. You will see why ,when you get there!
Next day , on to Model Engineer Exhibition in Doncaster, then , perhaps stay two nights in York.
Next day , York Railway museum and stroll round city walls ,etc.
Next day, more York or, head off to North York Moors via Ampleforth, Hutton-le hole , Pickering , cross the moors by the little roads NOT the main roads to Staithes.
Next day, choice of Shildon , or Bowes Museum, (perhaps both!) then cross-country 'homewards' through
Yorkshire Dales , stay in Hawes.
Next day, keep heading south, always through the Yorkshire Dales to Keighley / Haworth.
Next day , time to catch that plane ! Motorways, quick as you can.