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Old 28 July 2018, 15:36   #51
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I'm amazed an outboard shop fitted that engine.

Forget about trim tabs or running it 1" deeper to fix spray, there is only 1 fix and it is on phone Monday morning asking for another engine. When they mount it get them to mount it whatever 1 hole up from the "vent" plate level with keel as they clearly don't have much of a clue.
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Old 28 July 2018, 16:11   #52
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At what point did I say anyone was right or wrong except for the use of the words cav plate?

Bruce posted this. Perhaps you should read it carefully.

b) more seriously, she seems to be settling in the water deeper than she did.
................
Explain to me exactly how adjusting the engine height will make the boat float higher!
-------------
Then:
Nonetheless she seems very nippy and very fast at given revs....

So his boat doesn't appear to be plodding particularly, does it?


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Originally Posted by beamishken View Post
.....
Running with tabs all the time is like running with the handbrake half on
That's just bollix.

Perhaps you should suggest to the racing boys that they remove their trim tabs to take the brakes off and they'd go faster.


Personally I think there has been substantially more to the conversation Bruce has had with the engine fitter. I'd guess a compromise has been reached regarding engine fitment and transom modification. But that's just a guess, of course.
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Old 28 July 2018, 16:35   #53
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Originally Posted by Xk59D View Post
I'm amazed an outboard shop fitted that engine.

Forget about trim tabs or running it 1" deeper to fix spray, there is only 1 fix and it is on phone Monday morning asking for another engine. When they mount it get them to mount it whatever 1 hole up from the "vent" plate level with keel as they clearly don't have much of a clue.
I think everyone bar one will agree with this !
Maybe the supplier had a good reason for supplying the wrong length engine. But I wouldnt be happy about it set up as it is and not much meat left in the transom to move up and redrill
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Old 28 July 2018, 17:07   #54
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I wouldn't accept anything but another engine to fix this, under no circumstances would I let them drill and mount it higher up.
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Old 31 July 2018, 02:58   #55
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Thanks guys. I can't really update you as I am away till Friday. Rightly or wrongly there was no discussion with the firm which did the re-engine work. They found a suitable engine (in their view) which had good reviews and was regarded positively by local mechanics. I simply agreed to buy the engine and pay for them to rig it. On the morning before sea trial they rang me with the A frame problem. The sea trial seemed to fine. I did not run her at full throttle. She got to mid+ revs surprisingly quickly but I could not read the dial (need to fiddle with contrast!) and on GPS did 40.5kn. Opti topped out 43kn on proper two way average. Problem was lots of spray and later very limited ground clearance when in rack.
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Old 31 July 2018, 04:00   #56
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This maybe the pertinent point - "They found a suitable engine (in their view)". As 'they' are the experts in this case, they should take responsibility and exchange the engine for a shorter shaft.
At this point its hard for them to do anything as they don't know about the issue but ask 5 experts if its looks right and 5 will tell you it looks wrong.
I'm sure it won't be a simple or cheap exercise to get it remedied and I feel for you.
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Old 31 July 2018, 09:42   #57
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If I were you I would measure the transom and the outboard leg. Then phone the maker of the rib and ask advice re the recommended outboard. You will know what the position is at that point with a bona fide from an impartial area. That will provide you an evidence base to move forward
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Old 31 July 2018, 09:51   #58
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Bruce, have you told the dealer yet? Every day you delay plays into their hands potentially. Not sure what rules are with returning outboards or what your rights are in UK.
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Old 31 July 2018, 15:57   #59
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Quote:
Originally Posted by neil.mccrirrick View Post
If I were you I would measure the transom and the outboard leg. Then phone the maker of the rib and ask advice re the recommended outboard. You will know what the position is at that point with a bona fide from an impartial area. That will provide you an evidence base to move forward
I see Things have moved on a bit since I last saw this thread..In the circumstances that sounds like good advice..
If it's really that Bad....Pity the rigger didn't do it before! ..But it's still down to him.
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Old 03 August 2018, 06:21   #60
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New photos & info

Transom length is 570mm measured really carefully from bottom of the cutout to the bottom of the V.

Shaft length see earlier post by Charliee is apparently 635mm. It does look as though it is an XL.

The bottom of the cav plate is mounted pretty well exactly in line with the bottom of the V.
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