Not a 4, but my Rocket cools "too well" with less than 5" diameter inlets. I routinely fly in 110+ degree OAT and I dyno'd at way over 300 HP. I also have less than 27 inches of cowl exit area.
WARNING! Incorrect design and/or fabrication of aircraft and/or components may result in injury or death. Information presented in this post is based on my own experience - Reader has sole responsibility for determining accuracy or suitability for use.
Harmon Rocket II -SDS EFI
RV-8 - SDS CPI
1940 Taylorcraft BL-65
Last edited by Toobuilder : 03-05-2021 at 10:09 AM.