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Old 02-27-2023, 09:15 AM
  #161  
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Originally Posted by millstreet
Been researching these Ausi ski race guys, crazy is a term that comes to mind. )
Looks like they run BIG K planes and some kind of wing/plate on the outdrive?
That looks like a #6 drive from that photo.
Seems most of the big power photos of those Aussie ski nut boats (they're badasses), they have #6's on them.
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Old 02-27-2023, 10:17 AM
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Originally Posted by millstreet

Be fun to try one of these, but $5K is a big swing.
They should stand by their claims and offer a full refund if returned undamaged because it fell short.
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Old 02-27-2023, 04:10 PM
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Psycho Clown 99's stern;



3/4 view;






Last edited by millstreet; 02-27-2023 at 04:17 PM.
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Old 02-27-2023, 05:42 PM
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Since it's still winter up here in the Northeast, all boating is theoretical right now.
I'm trying to figure out the X measurement on my Pachanga 22.
number 1
Am I doing this right?



number 2

from what I've read, somewhere around 3.5" is about where it should be, it looks like I'm more like 6.75"



any help appreciated


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Old 02-27-2023, 06:50 PM
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The X dimension is the engine crankshaft center to the bottom of the boat. If I remember correctly a bravo input shaft to prop shaft is 21.875. So if you’re measuring 6.75 from the bottom to the propshaft center your X is 21.875 - 6.75 = 15.125.

6.75 below the bottom is a good spot for a good three blade like a mirage plus. Start going up higher then you need to add blades which can then lead to issues like stern lift, poor trim etc. If your boat handles well with the 3 blade and has good trim traction I suggest leaving it as is.
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Old 03-07-2023, 05:48 PM
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Originally Posted by IGetWet
The X dimension is the engine crankshaft center to the bottom of the boat. If I remember correctly a bravo input shaft to prop shaft is 21.875. So if you’re measuring 6.75 from the bottom to the propshaft center your X is 21.875 - 6.75 = 15.125.

6.75 below the bottom is a good spot for a good three blade like a mirage plus. Start going up higher then you need to add blades which can then lead to issues like stern lift, poor trim etc. If your boat handles well with the 3 blade and has good trim traction I suggest leaving it as is.
We had a Mirage 29P on this fall. She got on plane fine, but over 75 mph it got pretty rowdy. We sent that prop to BB Blades for some help with stability at speed.
We're waiting for Spring to test the modified Mirage. We also have a Mirage Plus 29P to try. Come on Spring.

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Old 06-07-2023, 05:55 PM
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Spring testing is going well;





So far, the BBlades modified Mirage 29 is the most manageable at speed. We tried the Mirage Plus 29. It seemed to drop us 300 RPMs or so, and made her more difficult to handle.
More testing.

Last edited by millstreet; 06-08-2023 at 05:57 PM.
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Old 08-01-2023, 06:11 PM
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More prop testing;



We've had the best luck with a modified Mirage 29P



Unfortunately, she's feeling the heat



So this one is on it's way back to Brett at Bblades for a repair. In the meantime, we have a Mirage Plus 29P on. The Plus has dropped us 300-400 RPMs.
It seems to act more like a 31P, maybe time for more boost to get our RPMs and speed back up?
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Old 12-10-2023, 04:24 PM
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Default best run this summer



94 mph at 6050 rpms
I think we've reached the limit for our lower. We previously ran 93 mph at 5800 rpms.
The slip is way up.

Last edited by millstreet; 12-11-2023 at 05:31 PM. Reason: clarity
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