No worries, these Curtiss Wright rotary aircraft engines last forever!
Let's get flying!

This photo was taken by a Minolta Autocord TLR medium format film camera with Seikosha-MX Rokkor 75mm f/3.2 & 3.5 twin lenses and a Hoya HMC 49mm Y[K2] filter using Fuji Neopan Acros 100 film, the negative scanned by an Epson Perfection V600 and digitally rendered with Photoshop.