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Old 30 September 2013, 08:32   #11
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Country: UK - Scotland
Town: Central Belt of Scotland
Boat name: Puddleduck III
Make: Bombard
Length: 5m +
Engine: 50 HP
Join Date: Mar 2009
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One I did earlier grinding off from the back!

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Old 30 September 2013, 09:03   #12
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Country: UK - England
Town: wirral
Boat name: midlife Too
Length: 6m +
Engine: 15O E-TEC
MMSI: one day !!
Join Date: Jul 2011
Posts: 566
Originally Posted by colcreate View Post
Better to drill from the outside.
Center pop the coach bolt head and put a pilot drill in about 20mm deep. Then increase drill size in stages to the thread diameter. If you are careful you will be surprised how easy it is to do. Once the head is gone you should be able to remove the engine and then deal with the remaining shank of the coach bolt.

Also if trying the grinding option, rather than grinding use 1mm thick slitting discs on your angle grinder, they are wickedly quick at slicing through stainless, believe me I have had some experience in this!
Always use them edge on and never be tempted to use the face of the disc to grind.
As above ,drill the head off and punch it throu !!

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Old 20 November 2013, 17:55   #13
Country: UK - Wales
Town: Cardiff
Boat name: Indecision
Make: Humber
Length: 6m +
Engine: Mercury 115 EFI
MMSI: 235003788
Join Date: May 2013
Posts: 53
Just a quick update.

Thanks for all the advice, have finally got round to removing the engine lock and raising the engine. Has transformed how the boat responds so really chuffed!

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