by beaky » Mon Nov 09, 2009 11:16 pm
I don't know "a lot", but here's what I know:
I've only flown the RV-4, and from what I know about both types, the answer to your question depends on how, exactly, you define "performance".
They're very similar where it counts most: stall speed and takeoff/landing distances.
It's interesting to compare the two, because they can be built with the same engine.
Put a 160-hp engine in either plane, and you'll see roughly equal performance in climb and cruise.
The 8 is a bit roomier, carries more weight in people and baggage, and has more range, but the 4 will fly almost 800 miles at 170 mph while burning less than 8 gph.... and that's only with 150 hp. The one I have flown has
Last edited by
beaky on Mon Nov 09, 2009 11:17 pm, edited 1 time in total.