It is my understanding that the warm air within the cowling is an important factor in reducing the potential for carb icing within the two CV carbs. Since there is no additional "carb heat" available for these carbs, it would seem that the ambient heat within the cowling is pretty important.
If you were to install a "cold air" intake system for the carb air some form of effective carb heat would be required. I suppose this carb heat could be provided via a traditional mixer valve set-up or either the electric or water coolant jacket options.
IMHO, not worth the added mechanical complexity and the minimal increase in power -- if any.
ps -- My old Mooney had the Ram Air option which provided an inch or so of additional MP when activated. I suppose one could rig up something like that -- system complexity and minimal benefit again being issues.
David Heal - Windsor, CA (near Santa Rosa)
EAA #23982 (circa 1965) - EAA Technical Counselor and Flight Advisor; CFI - A&I
RV-12 E-LSA #120496 (SV w/ AP and ADS-B 2020) - N124DH flying since March 2014 - 780+ hours (as of June 2019)!
through June 2020.
Last edited by DHeal : 08-04-2018 at 08:43 AM.