ORIGINAL: BigBadJon
currently running a magnum 52 xls and jettstream muffler with an APC 10x7.
my question is.. would a 9x8 or a 8.8x9w or 8.8x8.75 make a noticable difference in performance? and if so which prop is the best for speed?
Bob B. said:
Jett tuned mufflers
Just for reference, on the 40-60L size mufflers.... when used on the Jett .40/.46/.50/.60L engines (and with other engines typically)
Standard is designed for between 15,000 and 18,000 rpm (minimum and max suggested ground peak rpm)
Prop it to run in the rpm range the muffler is tuned for. The airframe will determine the diameter of the prop so your question can not be answered with out knowing what airframe it is on.