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Very unfortunate.
This happened on the way back to DC from Tides Inn (3300 rpm). We never saw what it was. Most bets are on a stump that was floating just under the surface. It tore the blade off the nibral prop in the picture, flexed the strut and cracked the hull so that water started coming in where the strut bolts to the hull.
We were fortunate that it happened just outside Fort Washington marina and that they could do an emergency haul-out. The strut bed had to be ground down and completely re-glassed, new shafts, strut straightening, cutlass bearings, new props and months getting the ground fiberglass out of the bilge. Fortunately, the transmission made it thru.
I am curious why you left the port transmission in gear on the way home. I have dripless shafts as well and water flows to the seal with the engine on.
-John
welcome to the log jammer club.
I don't know where you were on the James but I saw something on the river this summer that was absolutely unbelievable. There was a guy clearing several acres of land and he was basically bulldozing the trees into the water. Needless to say, full trees were floating by my dock and out on the James...
Mrs R...
I had a '93 and a '98 330 DA. Both Boats came with 17 X 17 3 bladed props. The '93 had 7.4 Carbed 330HP motors and a 1.25" shaft. The '98 had 7.4 MPI 310 HP motors and a 1.5" shaft. I did replace the props on the '98 with four bladed 17 X 15.25. I posted the results on the "old" SRO site.
John,
If you have the "Sure Seal" dripless shaft packings (or similar) you can check for a "cross-over tube", i.e. the second set of fittings on the gland housing. That cross-over will allow water to flow and lubricate and cool a free-wheeling prop shaft. If you only have one set of fittings on each shaft then you should lock down the damaged side when not operational. I've seen Sea Rays set up either way.
James
I kept the port engine in gear as I have been told to never put the boat in gear/motion with only one transmission, could damage the trans and/or shaft. No proof, just following advice. Was this the wrong thing to do?
Frank, service man said ours are 17 X 16 today 1 1/4" hole, 4 bladed, though I swore he said 17 X 6 3 weeks ago when they were reconditioned.
"dripless seals which require a constant raw water flow to remain cool."
Where does this flow come from?