Here is a link to the Mocal cooler that I am using. Not cheap but quite effective.
http://img.photobucket.com/albums/v642/discostu_205/Mi16%20Conversion/MocalOilCooler.jpg Jeff Lange Race 64 - Skye Racer Blog: http://schmleff.blogspot.com Youtube Channel: https://www.youtube.com/schmleff On May 29, 2013, at 11:30 PM, Jeff Lange <schmleff at gmail.com> wrote: > Sid, > > I used the fins on the bottom of the case to help cool the oil. Not sure how > much it helps. IMHO, full flowing the oil and a quality oil cooler are the > most important factors. I tried numerous things early in my flight testing > period to keep the oil cool but changing to full flow and a Mocal 13 row > cooler (from one of those stamped pieces of crap) took my oil from 250F to > 190F. Oil temps are the nearly the same if I am in a climb, cruising to a > destination or full throttle for 2 hours during a race. > > I am currently reworking my entire cooling system and will not flow air > across the bottom of the case. I don't feel that its worth the effort. > > Jeff Lange > > On May 29, 2013, at 2:40 PM, "smwood" <smwood at md.metrocast.net> wrote: > >> Appreciate all the commentary and suggestions. >> I think I have a reasonable bracketing on various recommended temperatures >> except for the oil temperature (251 F). The newness of the engine may be >> contributing some extra heat. Another factor could be the prop: I don't >> know for sure if the Sterba 52X52 prop is right for my airplane. Might be >> lugging to much and producing more heat and less power. I will have to play >> with the engine tuning for next flight. >> My plan is to keep the existing oil cooler setup. Added will be to blow >> some fresh air on the bottom of the engine sump. The sump has cast ribs and >> some tapped holes; just the thing to fasten some sheet metal. I saw a >> baffle arrangement on a KR website, but cannot find it now. I remember how >> that looked and can adapt that baffle arrangement to my VW installation. >> Also means yet another mod to the cowl and even more down time. Gotta do >> what you gotta do. >> Does anyone have any info on cooling the VW oil sump? >> >> Sid Wood >> Tri-gear KR-2 N6242 >> Mechanicsville, MD, USA >> >> >> >> _______________________________________________ >> Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. >> To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org >> please see other KRnet info at http://www.krnet.org/info.html >> see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change >> options >
