Just the best sound you can hear from under the cowl of an FW-190. Moki 150cc 5 cylinder radial. Sounds stunning.
TopRC Model FW-190 Specification :
Wing Span: 2362mm/93in
Length: 1990mm/78.3in
Flying Weight: 13.9 kg
Wing area: 91.2dm2
Engine: 60-80cc-100cc
https://www.youtube.com/watch?v=MprJYD0PFzM
Eminently satisfying thrum!
Yup. 100% agree Sanjay.