[Public-List] no power to propeller

[Bradford Cooke]

I am not up on engines, to say the least. The manual says that I have planet ray gears. So, is it the clutch that is slipping?

Sent from my iPhone

On Jun 16, 2014, at 12:24 PM, Glenn Brooks <brooks.glenn at comcast.net> wrote:

> Yep, sounds like the friction plates in the tranny are worn out and slipping.  Eventually even in low power setting, you will have no thrust.
> 
> Glenn b
> dolce 318
> 
> Sent from my iPad
> 
>> On Jun 16, 2014, at 3:22 AM, Bradford Cooke <bradfordcooke1 at gmail.com> wrote:
>> 
>> Hi Guys,
>> Thank you for your replies.  The prop has been cleared at all times, so I
>> don't think that something wrapped around the prop is the problem. The
>> onset was more gradual.  I have a Gray Marine manual, and there is an
>> option for a hydraulic clutch described in it. I'll have to check and see
>> what my engine has on it.
>> 
>> Thanks, Don for your thoughts about the drive shaft nut and the keyway.
>> 
>> Hope all of you are enjoying the season so far,
>> Brad Cooke
>> 
>> 
>>> On Sat, Jun 14, 2014 at 11:47 AM, Jeffrey <fongemie at gmail.com> wrote:
>>> 
>>> Key worn out, unlikely.  My guess is some old warp or seaweed on the prop.
>>> 
>>> Jeff
>>> 
>>> Seagrass. #116
>>> Boothbay Harbor, Maine
>>> http://sailboatseagrass.com/
>>> 
>>> <http://instagram.com/jfongemie>
>>> 
>>> 
>>> On Sat, Jun 14, 2014 at 10:21 AM, Wes Gardner <wesgardner1952 at gmail.com>
>>> wrote:
>>> 
>>>> I agree with George, I'd do a little visual inspection first. A quick dip
>>>> with a mask and snorkel will reveal lots
>>>> 
>>>> Sent from my location
>>>> 
>>>> On Jun 14, 2014, at 9:55 AM, George Dinwiddie <gdinwiddie at alberg30.org>
>>>> wrote:
>>>> 
>>>>> Brad,
>>>>> 
>>>>>> On 6/14/14, 8:58 AM, Bradford Cooke wrote:
>>>>>> I have a problem with getting power to my propeller.  At low rpm's the
>>>>>> propeller sends my boat forward.  As I increase the rpms, there is no
>>>> extra
>>>>>> power or speed.  One diagnosis was that the key way was worn out, and
>>>> the
>>>>>> propeller was slipping.  The yard where my boat is now thought there
>>>> was a
>>>>>> problem with the hydraulics to the transmission.  If the fluid was
>>> low,
>>>>>> then there was a simple solution.  IF the fluid was not low, then a
>>>> major
>>>>>> repair bill was probable.
>>>>>> 
>>>>>> Has anyone had experience with this issue?  I have an original Gray
>>>> Marine
>>>>>> gas engine, from 1965 that still runs fine.
>>>>> 
>>>>> I'm pretty sure the yard doesn't know what they're talking about. The
>>>> Gray doesn't have a hydraulic transmission. I suspect it does have a
>>>> friction transmission, like the Atomic 4 does. If that's the case, it
>>> could
>>>> be worn and slipping.
>>>>> 
>>>>> How quickly did this problem come on? When was the last time the prop
>>>> was cleaned?
>>>>> 
>>>>> - George
>>>>> 
>>>>> --
>>>>> ----------------------------------------------------------------------
>>>>> When I remember bygone days                         George Dinwiddie
>>>>> I think how evening follows morn;            gdinwiddie at alberg30.org
>>>>> So many I loved were not yet dead,           http://www.Alberg30.org
>>>>> So many I love were not yet born.                          also see:
>>>>>             'The Middle' by Ogden Nash     http://idiacomputing.com
>>>>> ----------------------------------------------------------------------
>>>>> 
>>>>> 
>>>>> 
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>>> 
>>> --
>>> ______________
>>> 
>>> Jeffrey Fongemie
>>> 
>>> <http://instagram.com/jfongemie>
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