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  #21  
Old 07-11-2017, 11:34 PM
912DZ 912DZ is offline
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Any update on this thread? Did you get it dialed in?
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  #22  
Old 07-14-2017, 01:42 PM
ford1320 ford1320 is offline
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I have the 18p PowerTechs on the boat. Will turn 5900 rpms at 49.4 mph with 6 adults and 3/4 tank of fuel. Crazy thing is I ran the boat last weekend by myself with less than 1/2 tank turned 6000 rpms and ran 50.6. Boat will run 40 mph at 4900/5000 rpms which is nice.

I liked the 19P Mirage the best for everyday cruising. But the 4 blades are way better offshore loaded down and rough. Still am not use the prop chatter at low rpms but getting use to it.
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  #23  
Old 07-14-2017, 09:20 PM
912DZ 912DZ is offline
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That is pretty good. Glad to hear it. So the prop chatter at low RPMs is normal?
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  #24  
Old 07-15-2017, 05:23 PM
ford1320 ford1320 is offline
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It is normal for the 4 blades. Once you get to 800/900 rpms it basically goes away. Idle is 700 when you put it in gear it drops to 600 and that is when you have the prop chatter.
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  #25  
Old 07-29-2017, 04:43 PM
Chip Euliss Chip Euliss is offline
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I had my engines installed last week and am in the process of breaking them in now. The first 2 hours were pretty boring! Cold front today has kicked up the seas so figured I'd sit the day out rather then beat myself up today. Ordered the 19 Mirage props but they won't be here till next week so I'm running the 17 Reliance props Regulator put on the F150's for the break-in. I did raise the engines 2 holes above factory setting and I can already see a big difference in how the boat performs. No porpoise and she gets up on plane substantially quicker than before. With the 17 inch Reliance, I now top out at 5800 rpms and 48 mph. The new props should be here mid-week so I'm hoping they work as well on my boat as on Ford1320's boat. I should be a little heavier aft because I have a tackle center (came off a 29) and it's pretty well loaded. If I can get anywhere close to the numbers Ford1320 posted for the 19 Reliance props, I'll be happy.

Interesting to shift to all digital--it will take a bit of adjustment from me since I was used to the mechanical controls but I'll get the hang of it soon I think. I'm already pleased I made the switch.
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  #26  
Old 07-30-2017, 05:11 PM
ford1320 ford1320 is offline
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Glad to know at least you are on the water burning gas in the new motors. Hate the weather has been bad hopefully next few days will be better.
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  #27  
Old 09-25-2017, 01:59 PM
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oldyeller oldyeller is offline
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Very interesting to read through this. Thanks to both you you guys for sharing. In the next year or so I'll be evaluating changing direction with a different boat vs. some possible re-power and other upgrades on my 24. My swap out of the 350 would not be nearly as simple as you guys with the twins but it's worth thinking about.

My numbers across the cruise are very similar to what you guys are seeing, albeit turning different RPM's but with close fuel burns. WOT with a medium load in a calm waterway is about 46 knots at 6K RPM. Where I really suffer is holeshot but reading the differences in what you guys see with mounting hole locations makes me wonder if going up a hole with single would make a difference.
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  #28  
Old 11-27-2017, 10:38 AM
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Quote:
Originally Posted by ford1320 View Post
Glad to know at least you are on the water burning gas in the new motors. Hate the weather has been bad hopefully next few days will be better.
Do the new 200's tilt all the way clear of the waterline?
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  #29  
Old 11-28-2017, 09:08 PM
ford1320 ford1320 is offline
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Yes both would tilt up high enough to clear the waterline.
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