Had a few guys on my boat yesterday who have a lot of experience and knowledge about wakeboarding, boats, props and the Axis line. Later next week sometime I will post pictures of the wake as requested by some, as well as the gopro video of the guages that I took. This is a comparison of the OJ Core prop that I was running last year with the new OJ Cinco. The OJ core is the most aggressive prop for the axis and from what I have read, is very similar to one of the ACME 1615 (the more aggressive one).
AXIS A22
335 w/ CAT
No Wedge
Full fuel tank
4 adults, 1 toddler
Air = 84 F
Water = 65 F
Water level range = 5’- 14’
OJ Core prop
No Ballast (600 lbs of lead)
0-23 mph = 8.6 seconds (average of 3)
23 mph RPM = 3150 (24 mph RPM = 3350)
Top Speed = 35.5 mph
Clean wake slowest speed = 18 mph
Full Ballast [4000 lbs (1900 rear, 1800 front, 250 center plus gear) no wedge]
0-23 mph = 18.4 seconds (average of 3)
23 mph RPM = 3550
Top Speed = 35.2
Clean wake slowest speed = 22 mph
OJ Cinco prop
No Ballast (600 lbs of lead) and rear hard tanks not completely empty +/-200 lbs
0-23 mph = 8.8 seconds (average of 2)
23 mph RPM = 2900
Top Speed = 40.5
Clean wake slowest speed = *19 mph
Full Ballast [4000 lbs (1900 rear, 1800 front, 250 center plus gear) no wedge]
0-23 mph = 20.9 seconds (average of 2)
23 mph RPM = 3300
Top Speed = 38
Clean wake slowest speed = 23 mph
* there was still some water in rear hard tanks, possibly 200-300 lbs. I believe if it would have been completely dry like when the Core prop was tested, the clean wake speed would have been the same as the Core prop.
Other Notes by observers:
Cinco prop is considerably quieter when throttle is wide open getting the boat to speed. At speed, in boat noise was also noticeably quiter. We could hear each other talk without yelling. The faint whining of the v-drive was present with the Cinco, but not with the Core. The engine exhaust noise could be heard with the Cinco but not the Core. The combination of the exhaust with the v-drive whine was a pleasant surprise.
There was absolutely no porpoising at any speed with either prop. the bow rise was considerably less with the Cinco. The Cinco “bit” harder during high speed sharp turns, felt smoother during small turns or adjustments, was smoother at every engine speed and boat speed, and was smoother during at-speed acceleration. Axis speed control had no problems holding speed with either prop. The Cinco produced a cleaner wake with less prop wash, noted by all observers. The Cinco did feel like it would cavitate for a few prop revolutions during hard acceleration from 0 mph.
The Cinco performed well getting the loaded A22 up to speed, but the Core will pull a little bit more weight.
It was a great experience and I am very happy with the results. I think that the Cinco prop met my expectations of an increase in performance and the reduction of noise. The Axis A22 with the OJ Cinco is the perfect combination, in my opinion.
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