[Rhodes22-list] Removing motor for repair

[Robert Skinner]

Mary Lou, Jim & Kathy, et al.:

The following is a Field Expedient Engineering crane, 
and has worked for lifting outboards off the transom 
and bringing them into the cockpit for repair.

I have not used it on a R22, so it would be a good 
idea to have Stan's OK before proceeding.  You need 
to know that the gooseneck on the boom and other 
rigging can handle the compressive loads that this 
method can exert.

Wouldn't hurt to have a gander at your stays, either.

Note that the mast tabernacle is also subjected to 
lateral forces, up to the weight of the motor.

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* Rig a boom extension lashing the extension in place 
with sheet line, so that it can slide along the boom 
but not fold back on the boom.  A STRONG boat hook, 
oar, or whisker pole would probably suffice for the 
extension spar.

* Attach your outhaul to the mast end of the extension 
so that it can be eased back toward the mast under 
control.  The compressive force on the end of the 
extension may be as much as 100% of the weight of the 
lifted object.  You might consider adding to the end 
of the outhaul so that it could be led around the mast 
to a winch and cleated off.

* Attach your topping lift to the end of the extension.  
The topping lift will take the full weight of the motor, 
plus about 50%, so secure it well.  Run the available 
end around a winch and cleat it off.

* Rig a handy billy (small block and tackle) to the end 
of the boom extension.  A boom vang will often do the 
job.  Use anything that will give a 4:1 mechanical 
advantage.

* Rig a sling around the head of the motor such that it 
cannot slip off.  Set it up so that the attachment 
point is over the motor's center of gravity.

* Assume that some part of the jury rig crane will fail, 
and attach a strong safety line to the motor and the 
boat.

* Using the topping lift and outhaul, adjust the boom so 
that the outer end of the extension is positioned 
directly over the motor sling attachment point, high 
enough so that the handy billy can lift the motor over 
the transom, rail, etc.

* Loosen the motor mounts and lift the motor using the 
handy billy.

To bring the motor into cockpit:

* Ease off on the outhaul, allowing the motor to move 
toward the mast, OR take up on the topping lift to 
raise the boom, moving the motor inboard.

* Ease off on the handy billy, lowering the motor into 
the cockpit.

To swing over onto a dock:

* Bring the boat up to the dock so that it is port 
side to the dock.  This will avoid interference with 
the backstays.

* Keep an eye on the gooseneck!  It will be under 
lateral stress during this maneuver.

* Secure the motor safety line to the dock side of the 
transom, with enough slack to allow the motor to be 
swung over to the stand waiting on the dock.

* Attach two control lines to the end of the boom - 
one for the person in the boat, and the other for the 
person on the dock.

* While the person in the boat pays out that end of 
the control line, the person on the dock carefully 
takes up on the dock end.  As the motor (assume 100 
lbs) swings out over the side, the boat will tend to 
list some in that direction, so control IS required.

* Watch the gooseneck.  Yeah, I said this before, but
it bears repeating.  This exercise exerts abnormal
loads on it.

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This procedure allows moving a 100 lb motor with no 
more than 25 lbs of effort required of the crew.

/Robert

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Mary Lou Troy wrote:
> 
> I'll be eager to hear any answers to this.
> 
> So far, the two of us have managed to manhandle the motor. It's much
> easier on land. We have an outboard cart so we immediately have
> something with wheels that we can put it on. Actually Fred's pretty
> strong. He used to manage to move the 80 lb Honda from the cart to
> the car to the cart to the motor mount by himself - on land.
> 
> It took two of us to get it off the boat in the water. There the
> sequence was get an old cushion to balance the motor on; lift the
> motor off the mount, rest on stern rail; lift over stern rail then
> rest the pointy end of the lower unit on the cushion; work the motor
> to the bow, moving the cushion under the point; get the motor up on
> the dock; put the motor on the cart.
> 
> I suspect with the new heavier motor it will take two of us to get it
> on and off the boat on land. Right now the boat is in the water sans
> motor and we plan to have the yard help us get the motor on the boat,
> probably from their flat bottom boat.