The problem with comparisons is electronic VS magneto...A G62 from Ebay for $265 with a $175 syncro spark electronic ignition weighs about 4 lbs with the ignition inside the mount..I have one here with a shorter crank and 3/16 aluminum plate mount that weighs 3 lbs 10 oz including the separate ignition with a CM6 small spark plug and a WT76A carb...Runs just like the heavy ones, but is way shorter...
Wanna compare a $440 G62 at 3 lbs 10 oz to a $600 DA 50 ?
Our stock magneto equipped G62s in racing AT6s are running about 130 mph..Planes weigh 25+ lbs...
I don't think a DA50 would turn our APC race props fast enough to do that....