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Old 04-08-2014, 01:34 PM   #1
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Leaving motor on dinghy to raise with hoist

We are new to power boating...having sold our sailing catamaran. We now have a motor cruiser with a hoist on the hardtop over the sundeck. It is rated for 600-800 lbs. and our dinghy/motor are about half that weight. Just would like folks' thoughts about the pros/cons of leaving the motor attached to the dinghy when hoisting up top. There is an engine mount on the back of our vessel just above the swim platform. So, we can remove the motor and store it. But, wondering if not just easier to leave the motor on the dinghy and put both up top. Would appreciate input on what can go wrong or why we should or should not always separate the motor from the dinghy before putting it up. Thanks, Cindy Miller
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Old 04-08-2014, 01:47 PM   #2
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Dingh's get used when they're used. The more ready to use it is the better. Ever thought of sinking?
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Old 04-08-2014, 01:49 PM   #3
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I don't see a problem with leaving the motor on.
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Old 04-08-2014, 01:57 PM   #4
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......yep, do have considerable concern regarding safety! So, as soon as possible we will have a davit system down, for ease/quickness of deployment. Just trying to make sure we use our currently available equipment appropriately!
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Old 04-08-2014, 02:00 PM   #5
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leave it on the dink, hoist as one unit. put it on a bracket down low and you invite others to help themselves to your motor.
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Old 04-08-2014, 02:03 PM   #6
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Would hate to drop the motor and mangle my foot/deck or into the water while manhandling the thing.
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Old 04-08-2014, 02:53 PM   #7
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leave it on the dink, hoist as one unit. put it on a bracket down low and you invite others to help themselves to your motor.
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Gotta point there. I also have rigged my crane and bridle to lift together. Why waste time and energy if weight and secure-ability is no issue?
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Old 04-08-2014, 03:40 PM   #8
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We leave ours on. If we take the motor off, the lifting bridle for the dinghy is off because of the weight loss in the stern.
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Old 04-08-2014, 06:55 PM   #9
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We have Lester hydraulic Davits on stern rated to about 800lbs, we have a 10' Bulfrog rigid tender with a 15hp Tohatsu 4 stroke. The motor is bolted to the boat and not easily removable. Having to install a motor while on the water can be a real struggle and actually dangerous to both motor and person, I know it would discourage me from using the dink as much as we do to have to install each usage.
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Old 04-08-2014, 07:16 PM   #10
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We hoist as one unit, in fact today I just bought a new light RIB and a new Honda 9.9 to carry on top, total weight about 230 lbs wet. our old dingy on top had a title issue so I gave it away.

Our other bigger RIB with a Honda 50 is too heavy to lift at between 800 and 900 lbs and I don't want that much weight up top when in heavy weather so we tow that one when feasible and use it when in a location for an extended time frame.

Just beware that your lifting harness won't get caught on your outboard when hoisting and you should be good.

Still Sitting in Nth Palm waiting for calmer weather to cross the Gulf Stream, crazy spring.
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Old 04-08-2014, 07:18 PM   #11
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Still Sitting in Nth Palm waiting for calmer weather to cross the Gulf Stream, crazy spring.
Where you heading?
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Old 04-08-2014, 08:32 PM   #12
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I leave mine on, the lifting bridle is balanced for that, can't drop it in the water that way, and it's ready to go when I am.
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Old 04-08-2014, 08:48 PM   #13
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Yep, as long as your lifting harness lifts the dink and motor level...go for it. Your crane David is designed for the weight you describe. Like someone else said above, the easier it is to unload and load the more you'll use it! My avatar shows the dink with motor riding under the crane David.
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Old 04-08-2014, 09:00 PM   #14
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......seems keeping the motor on the dinghy is preferred....but we need to figure out if the davit/harness set up is configured for the extra weight of the dinghy motor. Thanks all for your input.
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Old 04-08-2014, 09:16 PM   #15
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Quote:
Originally Posted by krmillerjr View Post
......seems keeping the motor on the dinghy is preferred....but we need to figure out if the davit/harness set up is configured for the extra weight of the dinghy motor. Thanks all for your input.
Even if the harness isn't configured for the additional weight of the dinghy, pinching the harness further aft and moving the fastening point is an easy fix.
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Old 04-08-2014, 09:31 PM   #16
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Quote:
Originally Posted by krmillerjr View Post
......yep, do have considerable concern regarding safety! So, as soon as possible we will have a davit system down, for ease/quickness of deployment. Just trying to make sure we use our currently available equipment appropriately!
No dinghy when I bought the boat, but had a crane for putting one on the hard top. I went with a lightweight ABI and a 9.9 Honda. No problem putting it up there with the motor.

BUT...the dink on the sundeck hardtop really killed the view aft from the fly bridge helm. I would have to stand to look over it. A PITA. Then one almost out of control deployment from that height with some wind rocking the boat convinced me there had to be a better way. I installed a set of St Croix davits with their custom mounts. No power, but the 9 to 1 tackle permits a fairly easy lift. Deployment is a breeze. The dog is much happier as he gets to go ashore that much sooner. The biggest benefit is gaining a 360 view from the upper helm chair (see last photo).

It added about 3 feet to our OAL (for transient dock $). I can still put the dink on the roof, but rarely do.
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Old 04-09-2014, 04:32 AM   #17
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Never considered taking the motor off before lifting using a hoist. Would be surprised if many trawlers do that, although clearly it is the norm with sailboats.

Could understand the motor being removed if you used davits or a swim platform arrangement.
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Old 04-09-2014, 05:43 AM   #18
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I have always assumed the main reason for having a powered davit up on top there was to do exactly that - lift dink, motor and all, for all the reasons mentioned already. The only concern is that in a seaway, it would be a slightly more tricky issue launching it without banging it against the boat, but everyone seems to work that out.

My contribution is just to confirm that unless you have the money and room for one of those fancy swim-board mounted arrangements that allow the motor to stay fixed on, then even with a light motor like mine, (Honda 2.3hp), taking the outboard off and putting it on are a literal PITA..! And that's when the water is calm...
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Old 04-09-2014, 06:08 AM   #19
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If you can remove the motor with little effort so can anyone else.

Hoist it with the dink motor bolted in place.

Remove the motor for winter storage or a trip to a repair shop.
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Old 04-09-2014, 09:28 AM   #20
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Quote:
Originally Posted by Tonic View Post
No dinghy when I bought the boat, but had a crane for putting one on the hard top. I went with a lightweight ABI and a 9.9 Honda. No problem putting it up there with the motor.

BUT...the dink on the sundeck hardtop really killed the view aft from the fly bridge helm. I would have to stand to look over it. A PITA. Then one almost out of control deployment from that height with some wind rocking the boat convinced me there had to be a better way. I installed a set of St Croix davits with their custom mounts. No power, but the 9 to 1 tackle permits a fairly easy lift. Deployment is a breeze. The dog is much happier as he gets to go ashore that much sooner. The biggest benefit is gaining a 360 view from the upper helm chair (see last photo).

It added about 3 feet to our OAL (for transient dock $). I can still put the dink on the roof, but rarely do.
We have almost the exact same boats (just mine grew a little ).

We put our tender, a 13' Whaler w/a 30hp Nissan, on top of the sundeck for storage most of the year. Once it goes in the water (usually late spring) it stays afloat till fall.
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