Outboard bracket-new swivelling design-

[driver0606]

Hello,
Having been enormously impressed by the ability of this forum to solve problems, here is one that may interest some of you wizards out there. I have long wanted to put a small speed boat on the swim platform of my Azimut 43. I am getting too old for a Jetski, but have been lucky enough to find a 2/3 seat speedboat only 2.85 metres long. However to get it on board, it needs a device that allows the 15hp outboard engine to be tilted up, the whole unit raised vertically by about 15 to 20 cm., and then rotated through 90 degrees to lie above and parallel to, the transom of the speedboat. Thus with minimal increase in the overall length of the speedboat. I have never seen such a device. The standard bracket for raising and lowering an outboard adds too much length to the boat,even when up, and does not turn. After much wracking of ageing brain and failed designs, I have come up with the following-
A stout stainless vertical tube of say 26mm id attached to the inside of the speedboat transom with brackets, running up from the “keel” to just below the top of the transom. Another tube of say 25mm od running inside the first tube, bolted onto the forward face of the outboard mounting bracket, i.e. the face with the clamping screws. The system would be to tilt the engine, release the clamping screws, lift it vertically (aided by a strong spring running inside the tubes) to clear the transom and deck, and turn it through 90 degrees, to lie above the transom. It might be clearer with a sketch, but I have yet to discover how to attach one.
Any comments or alternative, better suggestions will be most appreciated.

 

[Len Ingalls]

http://adventuremarinemfg.com/

There are other mfgrs . Google "rotating outboard motor mount"

Cheers / Len

 

[driver0606]

Thanks, Len,
I had a good look, but none did what I need. In my case, with the speedboat aboard my boat, the outboard motor must protrude little, if any, beyond the speedboat transom. This means it has lie above the speedboat. Difficult, eh?

 

[Beyondhelp]

Can think of a few ideas, but not details without pics of your kit.

 

[driver0606]

Thanks, I can send some pics, but have not found out how to attach them. How is it done, please?

 

[Niander]

Thanks, I can send some pics, but have not found out how to attach them. How is it done, please?

reply and go advanced ..down below...manage attachments

 

[driver0606]

If I have got it right, here are some pics of the current installation.

 

[Jabs]

There was a company exhibiting at Southampton who had a selection of RIBS where the motor tilted up and back. There was effectively a 'door' in the transom which carried the outboard and it was hinged low down.

It was a good solution to a problem I hadn't thought of!


Tony.

 

[Daydream believer]

Or why not have an outboard crane on the MOBO & just take it off & lower into the boat
You would possibly have to disconnect all the controls & fuel line etc with any system so that would be no different

 

[rogerthebodger]

A number of local sail boats have an outboard in a well than passes through the bottom of the hull ahead of the transom. The outboard is the retracted vertically completely out of the water in their case but in your case it only needs to be lifted until level with the keel.

 

[driver0606]

Thanks, guys, I will look into those suggestions.
A very Happy Christmas to you all!