[Public-List] Stuck prop shaft

[Gordon Laco]

Internal gear driven by a shaft… 

I never suspected that it was lubricated by the crank case oil… but now that I know, it makes perfect sense.

Gordon Laco
Surprise 426





> On Jul 5, 2021, at 10:29 AM, Michael Connolly <crufone at comcast.net> wrote:
> 
> Gord,
> How is it driven?  Gear to gear or chain to sprokets? What else is there? My Gray is belt driven.
> Michael
>> On 07/05/2021 10:25 AM Gordon Laco via Public-List <public-list at lists.alberg30.org> wrote:
>> 
>> 
>> I discovered by accident that the cooling water pump drive linkage is also lubricated by the same crank case oil.
>> 
>> I upgraded to the improved Moyer water pump from the finicky Oberdorfer… but working mostly by feel on the engine while trying to keep the gasket lined up then doing up the two retaining bolts, the gasket ended up swung away and not providing a good seal.
>> 
>> When I found oil in the bilge, I couldn’t imagine any cheap cause for that to be happening.  I thought the seal where the prop shaft exits the gear box was shot… oh no……
>> 
>> Someone on the list told me to check that gasket… I held my iPhone in there and tapped pictures till I had one showing the water pump flange… wahoo… the gasket was misaligned and caught only by one of the two bolts.  I redid the job; no more oil leak.
>> 
>> 
>> Gordon Laco
>> Surprise 426
>> 
>> 
>> 
>> 
>> 
>>> On Jul 5, 2021, at 10:18 AM, Jeff Randall via Public-List <public-list at lists.alberg30.org> wrote:
>>> 
>>> All one reservoir.  
>>> I
>>> 
>>> 
>>> Sent from my iPhone
>>> 
>>>> On Jul 5, 2021, at 10:07 AM, Gordon Laco via Public-List <public-list at lists.alberg30.org> wrote:
>>>> 
>>>> The gearbox and crank case share the same oil.
>>>> 
>>>> 
>>>> Gordon Laco
>>>> Surprise 426
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>>> On Jul 5, 2021, at 9:49 AM, Michael Connolly via Public-List <public-list at lists.alberg30.org> wrote:
>>>>> 
>>>>> Jeff,
>>>>> I am not familiar with the A-4 set-up.  Does the trans use oil from the engine for lube or does it have its own supply of oil lube?
>>>>> Michael
>>>>>>> On 06/29/2021 9:03 PM Jeffrey Randall via Public-List <public-list at lists.alberg30.org> wrote:
>>>>>> 
>>>>>> 
>>>>>> This evening started fine.  Light wind easy engine start.  Upon return I
>>>>>> decided to try to sail as close to docking as possible.  Good thing.  After
>>>>>> starting the A-4 when pushing into forward or reverse the shaft slows then
>>>>>> stops taking the engine to shutdown
>>>>>> 
>>>>>> 1. Have not jumped in to inspect the prop.  It is NH and my wetsuit was at
>>>>>> home.
>>>>>> 2. I will, after prop inspection,open the reversing gear box and adjust the
>>>>>> clutch key if necessary
>>>>>> 
>>>>>> What else?
>>>>>> Sincerely,
>>>>>> 
>>>>>> Yankee Star 296
>>>>>> Jeff Randall
>>>>>> _______________________________________________
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