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Converting I/O to Outboard with Jack Plate
I know this topic has come up before but it turned more into an
argument than a solution. :-) I have a 22 ft. commercial fishing boat with a Volvo Penta stern drive setup. The engine is tired and needs to be rebuilt or replaced, a chore I would rather avoid. I've decided to go with a Mercury 115HP 4 stroke outboard mounted on the transom. I'm very familiar with beefing and bracing the transom to hold a 350+ pound outboard. I would like to avoid notching the transom if at all possible to mount the outboard. So about the only option I have is to go with some sort of bracket. There are no conventional motor brackets that hold this kind of weight, but I was able to locate several Jack Plates. I only need a simple manual one to mount the motor on. No fancy hydraulics, or platforms or extreme setbacks or anything like that is needed. This would be for mounting the outboard only. The question I have is: Are these jack plates designed to be used with notched transoms only, or can I mount an outboard on my transom using a jack plate and avoid any cutting away of the transom? Can anyone recommend a jack plate with sufficient capacity and minimal setback from the transom? Thanks, Mike |
#2
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Converting I/O to Outboard with Jack Plate
Do a search on jackplate + outboard and you will find a bunch of them..
Cabelas has a nice selection. |
#3
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Converting I/O to Outboard with Jack Plate
You need a bracket... the major manufacturers are Gil and Armstrong:
http://www.gilmarine.com/products/gb.../brackets.html http://www.armstrongnautical.com/Brackets.htm Rob * * * "Mile Sullivan" wrote in message om... I know this topic has come up before but it turned more into an argument than a solution. :-) I have a 22 ft. commercial fishing boat with a Volvo Penta stern drive setup. The engine is tired and needs to be rebuilt or replaced, a chore I would rather avoid. I've decided to go with a Mercury 115HP 4 stroke outboard mounted on the transom. I'm very familiar with beefing and bracing the transom to hold a 350+ pound outboard. I would like to avoid notching the transom if at all possible to mount the outboard. So about the only option I have is to go with some sort of bracket. There are no conventional motor brackets that hold this kind of weight, but I was able to locate several Jack Plates. I only need a simple manual one to mount the motor on. No fancy hydraulics, or platforms or extreme setbacks or anything like that is needed. This would be for mounting the outboard only. The question I have is: Are these jack plates designed to be used with notched transoms only, or can I mount an outboard on my transom using a jack plate and avoid any cutting away of the transom? Can anyone recommend a jack plate with sufficient capacity and minimal setback from the transom? Thanks, Mike |
#4
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Converting I/O to Outboard with Jack Plate
Thanks for the info. I do a lot of business with Cabelas and have
seen their jack plates. I've also read quite a few posts on jack plates but haven't been able to find anything that goes into detail on how they work. My understanding is that there is one bracket that bolts on to the transom. Then a mating bracket is bolted to the outboard motor. Then the two assemblies are bolted together. Is this correct? Are the outboard motor clamp screws removed so they don't get in the way? If anyone has installed these, can you fill me in on how the whole mess works? Thanks, Mike obull (CCred68046) wrote in message ... Do a search on jackplate + outboard and you will find a bunch of them.. Cabelas has a nice selection. |
#5
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Converting I/O to Outboard with Jack Plate
Mile Sullivan wrote:
Thanks for the info. I do a lot of business with Cabelas and have seen their jack plates. I've also read quite a few posts on jack plates but haven't been able to find anything that goes into detail on how they work. My understanding is that there is one bracket that bolts on to the transom. Then a mating bracket is bolted to the outboard motor. Then the two assemblies are bolted together. Is this correct? Are the outboard motor clamp screws removed so they don't get in the way? If anyone has installed these, can you fill me in on how the whole mess works? Thanks, Mike obull (CCred68046) wrote in message ... Do a search on jackplate + outboard and you will find a bunch of them.. Cabelas has a nice selection. You're probably going to have to beef up that transom to expect a jackplate to stay on while holding a high-horse outboard. The stresses are one hell of a lot different on the transom. -- * * * email sent to will *never* get to me. |
#6
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Converting I/O to Outboard with Jack Plate
There is also Stainless Marine.
And any of these will easily hold a 115 hp four stoke. They would hold two 225 four strokes but check with mfg on that. Why don't you sketch out what you need and have an aluminum welder fabricate it out of 1" to 1.5" stock? "Trainfan1" wrote in message ... You need a bracket... the major manufacturers are Gil and Armstrong: http://www.gilmarine.com/products/gb.../brackets.html http://www.armstrongnautical.com/Brackets.htm Rob |
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