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Unbuilding:  Engine Removal (2)

After the engine was lifted to the deck, it still had to be lowered to the ground.

Interior Demolition  
Engine Removal
Parts Removal
Projects Menu Deck Removal  

May 10, 2003

On (finally) a hot, sunny afternoon, I decided to tackle getting the Atomic 4 off the boat once and for all.  With it already sitting in the cockpit, it only needed to be lowered 10 feet to the ground.  However, this is always a somewhat tricky procedure, since it usually involves some sort of rickety and cobbed-together hoisting arrangement that has to be partially on the boat, and partially on the ground.  It certainly helped in this instance to not be worried about scarring the deck, or even the hull; this is a much more precise operation when the boat from which you are removing an engine is finished and in good condition.

Because the boat is, in its current location, leaning rather dramatically to starboard, I decided to lower the engine off the port side.  Plus, for this particular event, I wanted to use my truck as a support for a ladder that I would erect on that side--there was no truck access to the starboard side.  So, first, I slid the engine across the cockpit to the other side.  I salvaged the icebox lid from Glissando to cover the cockpit ice hatch and allow me to place the engine there.  It's amazing how easy (relatively) it is to slide these engines around with no mechanical advantage.

I installed a 6' fiberglass stepladder in the cockpit, its legs spanning the cockpit well.  I tied it in position.  To form the other side of my hoist, I backed my truck up next to the boat and then arranged one of my 16' extension ladders against the truck, sticking up in the air and tied in place with several lines, including a critical one that passed beneath the truck and held the bottom of the ladder from sliding out.  I tied on some extra lines as overkill; it never hurts.

hoist2-o.jpg (94202 bytes)hoist1-o.jpg (101445 bytes)Next, I took my 4x6, 10' long beam and ran it between the two ladders, at a height that seemed appropriate.  Of course, I discovered that the truck should have been about a foot closer to the boat--the beam just reached and seemed precarious.  With the ladder all tied nine ways to Sunday on the truck, moving the truck was an unpopular option.  Instead, I found a couple pieces of hardware in my shop, which I screwed to the beam (one on each end) and used to tie the beam to each ladder, to prevent it from slipping off the rungs in either direction.  The nature of hauling engines over the side is such that there is almost always an angled load on the beam, which would tend to pull it one way or the other.  I hoped the lines would prevent this.


hoist4-o.jpg (91548 bytes)hoist5-o.jpg (85127 bytes)With the beam in place, tightly tied, and both ladders secured, it looked like I was ready.  I set up the chain hoist roughly above the engine--and a little outboard, so I could pull the engine sideways onto the raised coaming outside the cockpit as well as lift it.   Carefully, I put a load on the hoist, slowly testing the entire lifting rig and ladder arrangements.  Everything held, and the beam seemed to be holding properly in position with no sliding.  IN one step, I raised the engine up and forced it onto the coaming.  Now I needed to reset the hoist a bit further outboard, so that I could carefully pull the engine up and over the side.


hoist12-o.jpg (79737 bytes)hoist6-o.jpg (71321 bytes)After moving the hoist outboard several inches, I was ready for the final--and most nerve wracking--part of the lift.  At this stage, I had to not only lift the engine high enough to get over the toerail, but also swing it sideways and over the side, where it could be lowered to the ground.   This is the trickiest part of the job, since there is the risk of the engine suddenly shifting from partially supported by the boat to not at all, and this sort of shock loading could cause problems with the lifting arrangement, ladders, or beam.  This was something that I preferred to avoid.  To help control the engine's swing when it finally became free of the deck, I attached a control line.


Carefully, I increased tension on the hoist, while at the same time helping the engine slide over the side and holding it from too much sudden movement with my control line.  Of course, just as I needed about 1-2 more inches of clearance, the hoist became two-blocked, preventing me from lifting any more.  This always seems to happen!  The reason it happened this time was that, as mentioned earlier, the beam was barely long enough to reach from the rungs on which it was resting, and raising it to the next rung on the stepladder on the boat---which, of course, is angled slightly further away--would have meant that the beam wouldn't have reached at all.


hoist8-o.jpg (70722 bytes)With some very gentle persuasion, and holding the control line tightly, I pushed and grunted the engine oh-so-carefully over the toerail and finally got it to a point where it was hanging free.  Noting how much the flimsy cockpit seat was distorted by the ladder, and not particularly feeling like having a problem, I lowered the engine to the ground as quickly as possible, setting it on my little homemade plywood dolly.

hoist10-o.jpg (87420 bytes)     hoist11-o.jpg (96315 bytes)

Using some 1/4" plywood scrap that I had around, I managed to roll the dolly across the lawn and into the garage, where the engine will remain for the time being.

The engine removal is complete!

 

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