13Likes5 blade props on 30' Spectre with 300XS's
02-08-2019, 02:39 PM
#21
Registered
Join Date: Dec 2003
Location: Minnesota
My Boat: 30 Spectre 300X OB's
Posts: 1,118
The rev limiter is 6400 on the XS. I like to prop so I'm right at the limit in cool weather. This gives you the most RPM in all temps. You could talk to Dewald about tweaking those props one more time to get another 200 RPM. Not sure if it would help, though, as your prop slip is fantastic. I'm at 10%.
09-26-2019, 02:20 PM
#22
Registered
Join Date: Dec 2003
Location: Minnesota
My Boat: 30 Spectre 300X OB's
Posts: 1,118
Still loving the Dewald 5-blades. I bought Shaun Torrente's laser setup tool and started experimenting with propshaft height. I knew I was on the right track after going up to 1-5/8" and saw the best speed my wife and I have seen together. So, I tried 1-3/4" and got the boat out today by myself. Water pressure was still good at 15 psi and there was no difference in handling. It was a super calm day, but it recorded a new best top speed just a tick under 110. I know with some more chop, it will hit 110. 
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