Too much prop slip 28 Heat
06-25-2020, 04:22 AM
#22
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the prop shaft on mine is 2 below the bottom of the boat now, but it was more like 4 with my XR before switching to an Imco SCX. I think lowering the drive into the water more would fix the walk/chiming. I talked to Brett from Bblades and am sending the p28 Maximus to be labbed. He says they can get my slip numbers down from 17.7% with the lab. then we should look at drive spacers to get it dialed in to 10ish% slip range which should have me in the mid 80s hopefully with less walking. I will be completely happy with a 85+ mph open bow heat.
06-25-2020, 10:35 AM
#23
the prop shaft on mine is 2 below the bottom of the boat now, but it was more like 4 with my XR before switching to an Imco SCX. I think lowering the drive into the water more would fix the walk/chiming. I talked to Brett from Bblades and am sending the p28 Maximus to be labbed. He says they can get my slip numbers down from 17.7% with the lab. then we should look at drive spacers to get it dialed in to 10ish% slip range which should have me in the mid 80s hopefully with less walking. I will be completely happy with a 85+ mph open bow heat.
what power do you have?
06-26-2020, 07:15 AM
#24
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06-29-2020, 04:10 PM
#25
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The experimentation done years ago by fellow Nordic owners showed us that 4.5" below the keel on a stepped hull Heat was the sweet spot for the best speed and handling. A 1" spacer on my Bravo drive achieved the 4.5" for me on my 2004 Heat, and I noticed an improvement. I especially noticed a reduction in the cavitation coming onto plane (I was running a labbed Bravo One 4 blade at the time) I don't know that this information applies the same to an Imco drive.
06-29-2020, 05:13 PM
#26
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The experimentation done years ago by fellow Nordic owners showed us that 4.5" below the keel on a stepped hull Heat was the sweet spot for the best speed and handling. A 1" spacer on my Bravo drive achieved the 4.5" for me on my 2004 Heat, and I noticed an improvement. I especially noticed a reduction in the cavitation coming onto plane (I was running a labbed Bravo One 4 blade at the time) I don't know that this information applies the same to an Imco drive.
Im going to see what labbing my maximus p28 does for my slip of 17.7% then consider a spacer. One step at a time
