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Old 07-10-2018, 09:22 AM
Larry DeCamp's Avatar
Larry DeCamp Larry DeCamp is offline
 
Join Date: Apr 2010
Location: Clinton, Indiana
Posts: 645
Default A Dan Horton question ?

How much air to feed an oil cooler. There are many comments on OT control and 13 row oil coolers. I returned my standard issue 7 row to Van and will purchase AFS 10 Row for my parallel 0360. A 10 row face area is only a 2 3/4"D supply from the plenum. A 13Row face area only equals a 3"D supply.
OK, there may be some loss in turns and friction and there is a lot of reference to 4" tubing. If you tapped the plenum with nice curved entry and supplied the cooler with a "Dave Anders" 10* divergence, how do you decide how big the hole should be in the plenum ?? Dan has talked a lot about pressure differential etc. , any suggestions would be appreciated and hopefully put a pencil to the subjective approaches referenced in the archives.
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Larry DeCamp
RV-3B flying w/ carb & Pmags
RV-4 fastback w/ Superior EXP 0360 /AFP & CPI
Clinton, IN
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