[C36IA] prop pitch and engine problem

[Scott St Germain]

I had a similar issue when my water muffler was full from a series of  
long cranking from bad fuel.  You can drain muffler and try again.

Scott

Sent from my iPhone

On Jul 1, 2009, at 11:47 PM, Paul Walchenbach <pjwalch at sprynet.com>  
wrote:

> Wow, those kids are rockers. Pretty cool that you would go.
>
> Paul
>
> Sent from my iPhone
>
> On Jul 1, 2009, at 7:28 PM, "Tom Senator (tsenator)" <tsenator at cisco.com 
> > wrote:
>
>> Yeah I might agree.... Maybe fuel contricted (clogged fuel filters  
>> will achieve full rpms under no load but bogg down under load)
>>
>> Or maybe restricted air?
>>
>> I apologize for the brevity- I am responding from a Def Leopard/ 
>> Poison/Cheap Trick concert with the Admiral and her kids
>>
>> I think u can guess how much I am into the concert ..... LOL
>> This is being sent from my handheld - I apologize for the brevity
>>
>> ----- Original Message -----
>> From: c36list-bounces at c36ia.com <c36list-bounces at c36ia.com>
>> To: darinhouston at sbcglobal.net <darinhouston at sbcglobal.net>;  
>> 'Catalina 36 Association Mailing List' <c36list at c36ia.com>
>> Sent: Wed Jul 01 22:05:18 2009
>> Subject: Re: [C36IA] prop pitch and engine problem
>>
>> Darin - Did you have an engine survey done? Sounds like you're not  
>> getting
>> enough fuel or have compression problems.
>>
>> Craig
>>
>> -----Original Message-----
>> From: c36list-bounces at c36ia.com [mailto:c36list-bounces at c36ia.com]  
>> On Behalf
>> Of Darin Duphorne
>> Sent: Wednesday, July 01, 2009 6:57 PM
>> To: c36list at c36ia.com
>> Subject: [C36IA] prop pitch and engine problem
>>
>> I'm post-survey, but still pre-purchase of a 2000 C36MKII with a Max-
>> Prop 3-blade feathering prop.  I've read enough of the forum posts to
>> get an idea what rpm and hull speed I should be getting but it's
>> really weird, and I can't tell what might be causing the issue other
>> than prop pitch.
>>
>> In the sea trial, I was only getting about 4.5kts under full power in
>> flat lake conditions.  Free rpm was around 2850 and loaded rpm was
>> about 2800 (50rpm droop -- not enough).
>>
>> We asked seller to repitch to confirm, and he's been having a diver  
>> do
>> it with no success.  Here are the things they've tried...
>>
>> 15x18   4.5kts  2800rpm
>> 15x20   6.7kts  1800rpm
>> 15x18   6.8kts  1900rpm
>> 15x16   7.0kts  16-1700rpm (yikes!)
>>
>> It's weird!  I can't imagine an engine related issue, or it wouldn't
>> get to 2800rpm, I wouldn't think.  Compression problems when loaded?
>>
>> Any ideas?
>> _______________________________________________
>> C36list mailing list
>> C36list at c36ia.com
>> http://www.c36ia.com/cgi-bin/mailman/listinfo/c36list
>>
>> _______________________________________________
>> C36list mailing list
>> C36list at c36ia.com
>> http://www.c36ia.com/cgi-bin/mailman/listinfo/c36list
>>
>> _______________________________________________
>> C36list mailing list
>> C36list at c36ia.com
>> http://www.c36ia.com/cgi-bin/mailman/listinfo/c36list
> _______________________________________________
> C36list mailing list
> C36list at c36ia.com
> http://www.c36ia.com/cgi-bin/mailman/listinfo/c36list
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://www.c36ia.com/pipermail/c36list/attachments/20090702/4c7ddcef/attachment.htm