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Old 09 April 2015, 12:54   #1
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Outboard shaft length

The transom is 15.5" the leg from bracket to cav plate (lower) 17.5" is this correct?
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Old 09 April 2015, 12:58   #2
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Yes, your tube bottoms are lower than the bottom of your transom.
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Old 09 April 2015, 13:46   #3
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I have exactly the same setup with my Sib and due to cav plate being lower than transom, I get loads of spray. I'm told the cav plate should be level with bottom of transom - how does your boat perform?
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Old 09 April 2015, 13:53   #4
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That's why I'm posting 2 up no faster than 6mph on a canal. Oooops max 4mph. 3.1 fr 6hp Evinrude 2 stroke.
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Old 09 April 2015, 13:55   #5
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Doesn't go onto the plane but not tried shifting the weight about much besides moving forwards a bit. One cannot mess about on the canal..
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Old 09 April 2015, 14:34   #6
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Wood block to raise it up a tad?

With a SIB, you'll want the engine tilted up a little bit so the bow does not dig.
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Old 09 April 2015, 15:25   #7
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I have tilted it 1 notch which makes no difference really and no prop splash. I will try another notch next time.
Thanks for your replies so far
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Old 09 April 2015, 15:27   #8
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Max recommended hp is 8 as per plate! .......methinks???????
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Old 10 April 2015, 02:52   #9
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I've got a 2 stroke 30hp on a 380 - and it shifts, so no major lack of performance but it does spray. Is the engine you've got powerful enough to get boat and 2 adults on plane? Did you say it was 6hp?
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Old 10 April 2015, 05:41   #10
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Yes 6 max recommended is 8hp. I might have to try an 8 on it.
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