FYI – Some large chunks of Whirlwind radiator for sale in Germany –  been for sale for a few months 

https://www.ebay.de/itm/Royal-Air-Force-Luftwaffe-Westland-Whirlwind-Bo…

https://www.ebay.de/itm/Luftwaffe-Westland-Whirlwind-Bodenfund-Flugzeug…

Sorry should be more precise – allegedly Whirlwind as he has some other AVRO parts that are roughly ascribed to Whirlwind..