Cruising speed - too boring topic
Hi!
All of us discuss top speed. However, most of the time we cruise along the river / lake / ocean. So, to bring a "boring" topic forward: What is your crusing speed at 4.000 rpms and 4.500 rpms? 3.500 rpms and 4.000 rpms for inboards? My ol' lady Phantom 25 w/Promax 300 runs 52,5 mph at 4.000 rpms and 59,5 mph at 4.500 rpms. Tempest 26 blueprinted - 1:1.75 gears. Not bad for a heavy offshore hull (2.500 pounds). Top speed in the spring 78 mph at 6.100 rpms. 76 mph at 6.000 rpms in the summer. Look forward to hearing back from ya. Cheers, Toffen - Norway |
32' Sunsation twin 496 Mag HO's 6200 Lbs. dry 6800 +/- full of fuel. Regular Bravo One drives 1:1.5 with 28'' Bravo One props (stock)
3500 RPM 57.3 MPH on GPS 4000 RPM 65.1 MPH " " 4500 RPM 72.5 MPH " " 4900 PRM 77.6 MPH " " Top Speed at Max RPM All speeds are an average of two runs in opposite directions. Kirk |
24 Superboat, 454 Mag, 26" Bravo1
3300 = 50 MPH 3700 = 55 MPH Those are my numbers from today. 2 adults, 1 kid and full gas. |
71= 4000
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76 @ 4000:D
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Funny, I tried to get this topic going on the Fountain forum and no one would post. You can't run WOT forever !
ed |
PowerQuest 340 w/twin 496 Mag HO's 7900 Lbs. dry 9320 with some fuel, gear & people. These results are with Bravo 1 28's labbed by York:
Spped vis Gaffrig GPS speedo 3500 RPM 49 MPH 4000 RPM 62 MPH 5170+/- RPM 79 MPH Top Speed / Max RPM |
Donzi 26 ZX 502/415hp
1 Attachment(s)
3500 rpms 42mph
4000 rpms 55 mph 5200 rpms 68 mph And thats respectiful for a heavy good rough water boat |
Shanghai...what kind of prop are you turning to get 52 out of 3500 rpms :confused: With a single 502 :confused:
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Indy That was a mis print 42, I hit a 5 instead of a 4 , The other speeds are correct. I run a shaved 26pitch to a 25 pitch 4 blade with a twin stepped hull. I will re edit, Thanks
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