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    When is a vented prop right?

    Hi guys,<br /><br />See this recent correspondence with www.marinepower.com:<br /><br /> OK, so I understand how venting works, but I don't understand why a diesel engine would benefit less than a gasoline engine.<br /><br />My experience is, however, that while the venting does give a slightly...
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    The autumn storms are here again

    The autumn is here again, and next year's boating season seems ages away. Yesterday, 7 people had to be rescued in the local archipelago; the two in the picture were duck hunters surprised by the weather and their boat smashed to pieces by the waves. Can't think of a better argument for having...
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    Is this Michigan Match prop the same as a Vengeance?

    Hi guys,<br /><br />On the iboats site, they have a close-out sale on a stainless steel Michigan Match propeller ( link ).<br /><br />Would anyone know if this prop is similar / identical to the Mercury Vengeance? (part number 48-16320A46 )<br /><br />And, as a follow-up question, has the...
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    What hardware is needed for a Stiletto prop?

    Edit: never mind. Probably, the iboats mega-mall part # 835257Q1 ($34) will fit just fine:<br /><br />
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    Is corrosion a problem with the Skeg Guard?

    I haven't received it yet, but I am starting to have second thoughts about the Skeg Guard. What about corrosion underneath it?<br /><br />There is no mention of sealant or epoxy in their installation instructions on-line ( Skeggard website ), and I suppose this would hinder the guard from...
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    Lowrance LMS 330C - these problems common? *Update*

    Hi guys,<br /><br />My two seasons' worth of experience with the Lowrance LMS 330C combo unit has not been overwhelmingly positive. I.e., it's great when it works, but too often it does not.<br /><br />At first, the boat dealer hadn't realized he had to hook up the power for both the main unit...
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    Here's the speed/pitch table for you...

    Hi guys,<br /><br />in this other thread ( Link to thread ), there was a picture of an interesting table.<br /><br />It looked so intriguing that I made my own version of it. If you're interested, you can open this link:<br /><br /> Speed-gear-pitch-rpm-table <br /><br />Enter a slip rate, and...
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    Knocked off part of skeg - does it matter?

    Hi guys,<br /><br />Last weekend, I backed onto a rock. Thought I had damaged the prop, but it turns out it was the skeg that took the hit.<br /><br />A triangular piece about 1" x 1" x 1" is missing from the rear bottom corner of the skeg of the Alpha One drive.<br /><br />Can't notice any...
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    Thanks to Dhadley and Walleyehed

    Thank you for helping me finally find exactly the right prop.<br /><br />As you may recall from a previous thread, I've tried several props with limited success. Should have listened to Walleyehed from the beginning, as the 22P was exactly right.<br /><br />Just to recap: 21' boat with 120 hp...
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    How to fix clogged toilet??

    Hi guys,<br /><br />On our boat, we have a TMC manual toilet that looks like this:<br /><br /> <br /><br />Today, it was clogged by an overdose of toilet paper. So, a straight forward setup: manual pump, seawater intake, direct discharge, no holding tank, and closable valves on both intake...
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    The Tall Ships are here, and it is great!

    The Tall Ships' Races have arrived here in Fredrikstad, Norway (59 deg 12'3N, 10 deg 56' 67E). Almost 100 ships were expected but only 70 or so made it across the North Sea.<br /><br />It is great to see the crowds of people celebrating, and the thousands of crew caring for their proud ships.<br...
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    Gear ratios - please confirm

    Hi guys,<br /><br />At a local boating forum, there is some dispute as to how to interpret gear ratios for outdrives.<br /><br />Could you please confirm the following:<br /><br />A common gear ratio of 1:1,5 would indicate that the engine turns 1.5 turns for every turn of the prop, right...
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    Calling Dhadley

    Hi Dhadley,<br /><br />I've sent you several e-mails and am getting zero response. We have had some problems with a power outage here today. Are the e-mails not coming through?<br /><br />Regardless, please drop me a line by e-mail just so that I know I've reached you, and we'll take it from...
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    Having problems finding exactly the right prop

    Hi guys,<br /><br />I am having problems finding the exactly right prop and kindly ask for your input. Thanks to all those who have helped us so far.<br /><br /> <br />Here's the situation:<br /> <br />We have a 21' daycruiser with a 120 hp Mercury turbodiesel engine coupled to an Alpha outdrive...
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    Effects of prop changes

    Genuinely curious and temporarily confused: what are the common rules of thumb again?<br /><br /><br />Going from an alu prop to the same pitch in SS lowers WOT rpm by approx......<br /><br />Adding cup to a prop lowers rpm by approx ......<br /><br />Going down one inch in pitch increases rpm...
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    Grady White or Boston Whaler at half the price?

    Hi guys,<br /><br />I am thinking of buying and importing a used 26-30' US boat, and would ideally prefer the superb build quality of a Grady White or a Boston Whaler.<br /><br />But, I find their price tags to be daunting. <br /><br />I guess you usually get what you pay for, but are there...
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    Update on Smart Tabs / listing boat / Turbo prop & trim tab

    Hi guys,<br /><br />In a several other threads I have asked about and received good feedback on various propellers, using Smart Tabs to correct for a 'permanent' tilt, and for adjusting that little trim tab above the propeller.<br /><br />I spent the day on the water today, playing around with...
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    What kind of hub in a Turbo prop?

    Hi guys,<br /><br />Would any of you know what kind of hub sits inside a Turbo prop? It fits perfectly well on the Alpha drive, but all I can see inside looks like solid metal. Is there some kind of rubber or plastic hub inside there as well?<br /><br />There is no mention of this on their...
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    Would you know where to find a better tilt meter?

    Hi guys,<br /><br />I am trying to fine-tune the Smart Tabs on my boat that leans to one side, and would like to do this thoroughly once and for all.<br /><br />For this, I've searched all over for an "inclinometer", but I am unsure of what it is called in English. The best I've found so far...
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    Which way should that little tab point?

    Hi guys,<br /><br />I recently swapped propellers and had to take off the little trim tab above.<br /><br />Now the boat leans more to the left than before, especially when accellerating.<br /><br />It's an Alpha drive with a regular RH turning Ballistic (soon to be Turbo) prop.<br /><br />I am...
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