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Old 12 April 2014, 16:52   #11
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I was referring to a back up engine being mounted on the transom making the boat unstable. Regardless of weight there wouldn't be enough room to mount it. Can I ask why you are considering a back up engine ?
No my original post states my intentions of stowing on the deck , i know there is no room on the transom.
Backup as i often go a few miles from where i launch and my car is ,to isolated tidal spots . So just feel a lot happier with it knowing i can get myself home to where i launched from if my main goes down and i dont have to bother the coastguard or try and make landfall somewhere to then be miles from my car etc. Makes alot of sense to me for the sake of a couple of hundered quid and and afew extra kilos
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Old 12 April 2014, 17:17   #12
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No my original post states my intentions of stowing on the deck , i know there is no room on the transom.
Backup as i often go a few miles from where i launch and my car is ,to isolated tidal spots . So just feel a lot happier with it knowing i can get myself home to where i launched from if my main goes down and i dont have to bother the coastguard or try and make landfall somewhere to then be miles from my car etc. Makes alot of sense to me for the sake of a couple of hundered quid and and afew extra kilos
Firstly I respect your reasons for the back up engine, as we all know SAFETY comes first. But if your main engine should fail, my point is you are going to have to try to mount the back up engine on the water to a transom which will only accommodate one engine which is already in place (the main engine). It won't fit.
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Old 12 April 2014, 17:22   #13
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Firstly I respect your reasons for the back up engine, as we all know SAFETY comes first. But if your main engine should fail, my point is you are going to have to try to mount the back up engine on the water to a transom which will only accommodate one engine which is already in place (the main engine). It won't fit.
That is of course correct . But being a mere 24kg my main engine will be taken off the transom and replaced with the backup should the need ever arise. two screws and i could have it off the transom relatively easily
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Old 12 April 2014, 17:33   #14
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The Tohatsu commonly needs raising 1" or so, particular to that engine. Check a search for this.
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Old 12 April 2014, 17:38   #15
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The Tohatsu commonly needs raising 1" or so, particular to that engine. Check a search for this.
Thankyou , i do remember reading that some time ago . Hopefully be out to try it in next few weeks
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Old 12 April 2014, 17:43   #16
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That is of course correct . But being a mere 24kg my main engine will be taken off the transom and replaced with the backup should the need ever arise. two screws and i could have it off the transom relatively easily
Lifting a 'mere' 24kg from the transom into the boat on moving water sounds like a worryingly unsafe manoeuvre, while the backup bounces around your feet. Good luck and be safe.
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Old 12 April 2014, 18:00   #17
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Lifting a 'mere' 24kg from the transom into the boat on moving water sounds like a worryingly unsafe manoeuvre, while the backup bounces around your feet. Good luck and be safe.
Backup wont be bouncing round , it will be strapped down securely. It sounds extremely doable to me, and a lot safer than having no engine.
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Old 12 April 2014, 18:10   #18
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Backup wont be bouncing round , it will be strapped down securely. It sounds extremely doable to me, and a lot safer than having no engine.

I have to lift the engine off my tender before putting it on the davits, its easy with a 10kg-2hp but difficult with a 20kg-5hp.

I tried it with a 28kg-8hp, it was near impossible and I nearly lost the lot over the transom, ended up popping the air floor because I had to drop it into the boat. This was all while secured to the back of a sportscruiser in a sheltered mooring, trying to do it on the open sea would be virtually impossible IMHO.

I appreciate your need to be self sufficient, but with a boat this size I would suggest its much better to look after your main engine, carry VHF, anchor and flares, let someone know where you are going and call the professionals if you get into trouble.
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Old 12 April 2014, 18:42   #19
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I have to lift the engine off my tender before putting it on the davits, its easy with a 10kg-2hp but difficult with a 20kg-5hp.

I tried it with a 28kg-8hp, it was near impossible and I nearly lost the lot over the transom, ended up popping the air floor because I had to drop it into the boat. This was all while secured to the back of a sportscruiser in a sheltered mooring, trying to do it on the open sea would be virtually impossible IMHO.

I appreciate your need to be self sufficient, but with a boat this size I would suggest its much better to look after your main engine, carry VHF, anchor and flares, let someone know where you are going and call the professionals if you get into trouble.
Thats fair comment. Will let you know how i find it !
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Old 12 April 2014, 19:56   #20
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That is of course correct . But being a mere 24kg my main engine will be taken off the transom and replaced with the backup should the need ever arise. two screws and i could have it off the transom relatively easily
I agree with you whole-heartedly, monkey. It's nice to have a backup. I bring an electric trolling motor and deep-cycle battery as my backup. I have removed and replaced my 47kg 4-stroke from the transom while afloat. It's not easy, but it's doable. I'm sure that 24kg would be no problem. Make sure to have your engines tied/chained to the transom so you don't drop it off the back in the deep
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