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Originally Posted by Panelfantastic
The "under bus duct" absolutely bombed! I had a sheet metal chase made that was 25" wide and 6" tall at the mouth, I had it flared down right behind the beam as low as I could without tearing it off on manhole lids... it did not produce very much air at all. The single NACAs on each side produced twice as much flow. I may have screwed the aero-namics with the front valance and made it push away most of the air underneath so it was doomed from the start.
NACAs are the way, especially with the hoods Carbon Joe is working on.
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Panel, just out of curiousity, how did you determine if there was airflow ?
Or did the engine just run hot ?
Thanks,
Rob.