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Old 02 October 2015, 16:04   #1
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Country: UK - England
Town: shepperton
Boat name: Halmatic 28
Make: Halmatic
Length: 9m +
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Inboard engine alignment recommendations ?

Hi all,
I have been doing up a 9 meter Halmatic rib for a while now and need a recommendation of someone who knows what there doing for some engine alignment.
The engine is a Iveco 280 hp 2800rpm lump and it is directly coupled to a Australian Doen Jet via a Centa flexible coupling.
I'm in the Surrey Area but it is on a trailer.
Thanks

James Harris
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Old 05 October 2015, 03:53   #2
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Need more inf, James
What are you aligning the engine to the outdrive (seems not a huge deal with a flex coupler); The outdrive to the stern? Give a big amount of info and include pictures.
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Old 05 October 2015, 05:42   #3
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Country: UK - England
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Here is the engine and the jet flange ( right pic)
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Old 05 October 2015, 06:04   #4
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Country: UK - England
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In the top right corner is the coupling with the jet flange coupling side detached.
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Old 05 October 2015, 06:05   #5
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Country: UK - England
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So the engine has to be aligned to the jet flange.
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Old 05 October 2015, 06:11   #6
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Old 05 October 2015, 07:24   #7
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Country: UK - England
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Boat name: Fugly & Rokraider 1
Make: Pac 22 & Porter 6.5
Length: 6m +
Engine: Ford 250 & jet,DT140
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Does the Doen have its own gearbox? I have got a Hamilton Jet on my Pac 22 and spennt a lot of time trying to get the engine height and angle correct. The Hamilton workshop manual has a lot of information about propshaft angles and installation. I wonder whether Doen have a downloadable manual with the same info?
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Old 05 October 2015, 07:28   #8
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Country: UK - England
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Hi, yes got all the manuals and jet angle is perfect just need to find someone to align the engine with the jet .

Thanks

James.
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Old 05 October 2015, 07:44   #9
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I am surprised. I would have thought the Doen manual should have the recommended propshaft angles ( can only be achieved by moving the engine mounting height and tilt of the engine) if it is showing how to install and align the jet?
Here is a link to Hamiltons manual, it covers engine installation and propshaft angles. I imagine the principles will be the same. http://www.hamiltonmarine.co.nz/incl...t%20Manual.pdf
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Old 05 October 2015, 08:35   #10
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Country: UK - England
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What engine and rpm have you got in your 22 and what is your top speed, just curious.

Cheers
J
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