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Thread: Sorensen long haul center fin

  1. #41
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    Same prop, same settings and lot of driving today. Here was windy and quite rough water today. I noticed on rough water that so called prop walk thing, not much just like little warnings.. Boat turn suddenly little bit and rpms rise quickly. I dont know right term in english but I hope you know what I mean. (Skeg rise out of water)
    Is that normal behaviour in rough water?

  2. #42
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    Dear Sir, I wounder if you have any photos of the Long haul on the building jig that you built . I bought the plans of the Long Haul from Sorensen Woodcraft. I like to get a look at your building jig you built your Long Haul on just reference thanks.

  3. #43
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  4. #44
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    Man that thing is built like a tank!!!!

    With glass on the bottom like that you could have easily reduced the thickness of the bottom sheet by 1/8 of an inch at least.

    Curious as to how much it weighs?

    With as heavy as that boat probably is, you've done a pretty darn good job in getting it to go as fast as you are right now.

  5. #45
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    It weights about 55-60 kg without engine and tank.
    Bottom is 9mm okoume (back), front bottom and chines 6mm okoume.

  6. #46
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    Thank you very much for your photos of the your building jig of Long Haul they help me very much to understand how to build the jig you are very kind person to help me thanks.

  7. #47
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    Back in business with long haul. Still porpoising when I can't get it to speed enough. This setup needs just right weather or it not get enough speed. So, if I get more power, then it maybe goes well anf not porpoising. I bought new chinese pwk 32 carb and made adapter for it to yamato 302. Not tested it yet because my cable wire is hard one wire type and wont fit to new carb. Now I'm wondering is there any gain expected with bigger carb only?

  8. #48
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    Is there way to measure prop rake? What kind if props you are using with runabouts?
    Attached Images Attached Images  

  9. #49
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    On that prop it has positive rake because it tilts to the rear. Positive rake angle is the rearward tilt off the vertical from the prop shaft hub measured from the blade tip to the hub. To get the degrees of rake you would need to use an angle reading tool. Ron Hill should add his methods to measure. I think that bigger carb will not do much but worth a try. You will need to adjust the fuel mix for the bigger carb.

    http://bblades.com/props-101/

    example of visual measure of rake

    https://www.bing.com/videos/search?q...E61E&FORM=VIRE
    " Three may keep a secret if two of them are dead" Ben Franklin
    " ------- well Doctor what have we got a Republic or Monarchy? A Republic he replies if you can keep it"
    Benjamin Franklin, 1787 Constitutional Convention, as recorded by signer James McHenry's in his diary at the Library of Congress

    Location: SW Orlando, Fl

  10. #50
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    http://bblades.com/props-101/

    Best explanation of Rake I've read to date.

    Jeff
    "We live at the bottom of an ocean of air." - General Marvage Slatington

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