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P5 engine mountings

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dan lives
New member
Username: danl

Post Number: 1
Registered: 01-2009
Posted on Friday, January 02, 2009 - 02:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hi All,

just rebuilt a 20ft clinker daysailor and to my delight the old p5 started third time (electric start) and runs well, problem is engine beds are worn/loose and the engine moves around at certain revs.

Question: I'll need to replace engine beds/inset hardwood into existing and replace bolts but is it worth using rubber mounts to reduce noise - or is it best to stick with solid mounts?

thanks for wisdom/experience!
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Malcolm Russell Ward
Member
Username: russell

Post Number: 25
Registered: 08-2003


Posted on Friday, January 02, 2009 - 03:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Interesting. I've never had a Stuart on rubber mounts. The twins were always smooth and the singles just vibrated but not excessively -except one that had xs flywheel runoff through poor assembly. Being in a larger -maybe heavier- boat, it might absorb the vibes. Flexible mounting makes it much more complicated with flex couplings and thrust bearings etc which spoils the inherrant Stuart simplicity. More incentive to sail rather than motor. All the best with your budding relationship. Don't catch the bug, it can be contagious.
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Todd Vidgen
Senior Member
Username: todd_vidgen

Post Number: 109
Registered: 03-2008
Posted on Friday, January 02, 2009 - 10:15 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Stick with solid mounts and and perfect shaft alignment,otherwise you will end up opening a can of worms and a whole new world of pain.
Do it sooner than later because that engine that is moving about is causing grief to your boats hull,stern glands,shaft,coupling,wallet,etc.
If you are not sure about the right way to do it
try and find a"shipwright"who does things with wooden boats,and is competent with all aspects of repair and maintainance of any size vessel,not a "boatbuilder" who mostly plays with fiberglass,and mdf etc.It might cost a bit initially,but the peace of mind and longevity of life of both the boat and motor is worth it
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dan lives
New member
Username: danl

Post Number: 2
Registered: 01-2009
Posted on Sunday, January 11, 2009 - 01:41 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

many thanks, will do!
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dan lives
New member
Username: danl

Post Number: 3
Registered: 01-2009
Posted on Sunday, January 11, 2009 - 01:48 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

here is the boat 'Wanda' the Old P5 pushes her along nicely when the wind drops, providing tide is not too strong! So far starts every time and putt putts smoothly so fixing beds/alignment is priority one(replaced 12 frames either side of hull, new decks, new cabin sides, rebuilt mast - sails well)Wanda - belived built by Harry Feltham, Portsmouth, UK

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