Thread: Option solas impeller 13/18
03-03-2015, 10:21 PM #1
Option solas impeller 13/18
Solas makes a 13/18 impeller for the spark has anyone tried it yet
03-04-2015, 02:26 AM #2
Too much pitch, good for stock without rpm limiter raised.
12/13 for high rpm in pretty much stock form with retune.
12/17 is good balance.
03-04-2015, 10:35 PM #3
What kind of a difference in speed would you notice with a 12/17? How would it handle pulling a tube/skiier? Sorry if that's been answered a thousand times.
03-05-2015, 04:12 PM #4
03-11-2015, 02:12 PM #5
03-11-2015, 06:05 PM #6
Would someone be able to explain to me a bit more in depth about pitch? I get that a pitch of 21 means that the impeller/Propeller means it would move forward 21 inches in a "soft solid", but when you say it has a pith of 13/18 or 12/17 what do the two numbers mean?
thanks for any help!
03-11-2015, 06:16 PM #7
Leading edge is 13 degrees, trailing is 18. Impeller pitch is different than prop pitch.
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