I happened to find this Scott engine for sale be quick if you want it the sale is 9/10/06
link to Bonhams auction on 9th September
http://www.bonhams.com/cgi-bin/public.sh/pubweb/publicSite.r?sContinent=EUR&screen=Catalogue&iSaleNo=14262
Lot No: 49
A rare Scott ‘Flying Squirrel’ light aero engine, circa 1935,
Mk A2S, engine number: 5036, the 652cc twin cylinder unit complete with side draught carburettor, BTH magneto and throttle linkage.
Estimate: £1,000 – 1,500[/url]