[C320-list] New Boat knocking noise

[sailorlew at aol.com]

>From what I have read, the drive leg is very prone to corrosion

Lew



m
Sent: Mon, 23 Jun 2008 10:15 am
Subject: Re: [C320-list] New Boat knocking noise


All,?
?
This could all be avoided if Catalina used saildrives. Which prompts me to ask, are there any inherent disadvantages with saildrives (perhaps only cost)? They seem like a nice solution in a lot of ways.?
?
CRA?
Rosebud #882?
?
----- Original Message ----- From: "Jerry Brown" <jbrown03 at sympatico.ca>?
To: <C320-List at Catalina320.com>?
Sent: Monday, June 23, 2008 3:32 AM?
Subject: Re: [C320-list] New Boat knocking noise?
?
> Thanks Jeff?
>?
> I will do that and forward to the dealer.?
>?
> We now think the front mounts are set too high based on the testing done > on Saturday. I am going to give him this week to try to fix it, and then > call in the Fire Brigade if he does not (despite his best efforts). The > dealer is not selling and forgetting at all but he also has limited > technical support capabilities beyond the obvious.?
>?
> Regards?
>?
> Jerry Brown?
> #1137 Indigo?
> ----- Original Message ----- > From: "Jeff Hare" <catalina at thehares.com>?
> To: <C320-List at Catalina320.com>?
> Sent: Sunday, June 22, 2008 9:57 PM?
> Subject: Re: [C320-list] New Boat knocking noise?
>?
>?
>>I suspect that the prop shaft is not true along its entire length, and at?
>> idle/low speeds it's fine. When running faster or under load it might >> start?
>> whipping.?
>>?
>> While the engine mounts may be at fault, it's probably that the dealer >> isn't?
>> great at doing the alignment.?
>>?
>> The yanmar factory guy that spoke at the Newport Catalina east coast >> event?
>> said that the engine's center of balance and rotation are in line with >> the?
>> engine's shaft and that it can shake and rock all it wants to when under?
>> load and it will just rotate around the center of balance....unless it's >> not?
>> aligned properly in all 3 axis. The front mounts are probably set to >> high?
>> or low.?
>>?
>> You should download the alignment procedure from the C320 website. It's?
>> by-far the best engine alignment procedure I've seen and virtually?
>> eliminates the trial and error method I've seen used in the past.?
>>?
>> My .02 cents Canadian (or approximately $1.50 US)?
>> -Jeff?
>>?
>> PS: On a positive note, beer is finally cheaper than diesel around here.?
>> :)?
>>?
>> -----Original Message-----?
>> From: c320-list-bounces at lists.catalina320.com?
>> [mailto:c320-list-bounces at lists.catalina320.com] On Behalf Of Allan S. >> Field?
>> Sent: Sunday, June 22, 2008 9:37 PM?
>> To: C320-List at Catalina320.com?
>> Subject: Re: [C320-list] New Boat knocking noise?
>>?
>> Sorry Orlando but I have to disagree with you on this one. Respectfully >> of?
>> course, but disagree nonetheless. My experiences with Catalina have left >> a?
>> very deep impression that only Frank can instantly deploy the resources?
>> needed to fix this problem in the shortest amount of time possible?
>> regardless of the expense. While his customer service recovery is a bit >> of?
>> an anachronism, it is what it is and Frank does make things happen. >> Again,?
>> I would strongly recommend that Frank know of this problem immediately. >> And?
>> that is my 2 cents and I raise you one! - Allan?
>>?
>> -----Original Message-----?
>> From: c320-list-bounces at lists.catalina320.com?
>> [mailto:c320-list-bounces at lists.catalina320.com] On Behalf Of?
>> Orlando.Duran at AveryDennison.com?
>> Sent: Sunday, June 22, 2008 1:09 PM?
>> To: C320-List?
>> Subject: Re: [C320-list] New Boat knocking noise?
>>?
>> Folks,?
>>?
>> Let's take deep breath this one...his dealer appears to be working with >> him?
>> diligently on the problem, they are not just "selling it and forgetting?
>> it"....?
>>?
>> I have always found that a note to either Gerry or Frank should as a last?
>> resort...remember, the dealers are really the ones in charge of your?
>> customer satisfaction, and as long as he's working with you, I know for a?
>> fact that Gerry and Frank's attitude is really 'hands off".?
>>?
>> if at some point, if you feel the dealer is throwing his arms up on the?
>> issue and not being responsive, then I would contact Gerry or Frank.?
>>?
>> My 2 cents?
>>?
>>?
>> ----------------------------------?
>> Regards,?
>> OD?
>>?
>> Sent from my BlackBerry Wireless Handheld?
>>?
>>?
>> ----- Original Message -----?
>> From: "Allan S. Field" [allan.field at comcast.net]?
>> Sent: 06/21/2008 08:05 AM?
>> To: <C320-List at Catalina320.com>?
>> Subject: Re: [C320-list] New Boat knocking noise?
>>?
>> Sorry but I think this is a problem for Frank Butler. I would highly?
>> recommend a letter to Frank then leave all phone numbers where he can?
>> contact you, such as on Sunday evening while at your in-laws...seriously.?
>>?
>> -----Original Message-----?
>> From: c320-list-bounces at lists.catalina320.com?
>> [mailto:c320-list-bounces at lists.catalina320.com] On Behalf Of Robert?
>> Seastream?
>> Sent: Saturday, June 21, 2008 9:32 AM?
>> To: C320-List at Catalina320.com?
>> Subject: Re: [C320-list] New Boat knocking noise?
>>?
>> It almost sounds like your engine mounts are extremely loose. It also?
>> sounds like your dealer just wants to close the deal and get rid of?
>> you and the boat.?
>> I'd call Gerry Douglas at Catalina Yachts, tell him briefly of this?
>> (including the dealership name & info), and tell him you'd like to?
>> send him a followup email with more details. I'd also make it known?
>> to all parties that I'm considering washing my hands of this dealer?
>> and boat (if possible), taking my business elsewhere.?
>>?
>> I feel for you; you simply want to go sailing, and time's running?
>> out. However, with the sort of money involved, this dealers' attitude?
>> and approach is hideous.?
>>?
>> Bob Seastream?
>> Intuition # 906?
>>?
>>?
>> On Jun 21, 2008, at 7:28 AM, Jerry Brown wrote:?
>>?
>>> Suggestions Please?
>>>?
>>> Our new 320 is sitting at the dealer. From the day of commissioning?
>>> there has been a loud knocking sound from the stern whenever the?
>>> boat is motored over about 2300 revs - we were told it would "settle?
>>> down". In two hours of motoring from the dealer premises to our?
>>> club the engine moved on the mounts sufficiently that it jammed the?
>>> engine cover which was free when we left (I checked the oil before?
>>> leaving).?
>>>?
>>> Initially the dealer "blamed" the Kiwi Prop that I supplied, and he?
>>> installed. He realigned the engine and told me to take the prop off?
>>> and reinstall the standard two blader. While still tied to the dock?
>>> we tried the realigned engine (still fitted with the Kiwi Prop) as I?
>>> was reluctant to move the boat for fear of doing more damage. The?
>>> dealer also dove under the boat to check that the prop was not?
>>> fouled and that the blades were free. In that test the engine was?
>>> moving around sufficiently to open up the stuffing box under load.?
>>> The dealer then thought that the initial motoring and engine?
>>> movement might have bent the propshaft. The dealer then arranged to?
>>> have the boat moved (with minimal motoring) back to his premises.?
>>> The Kiwi Prop was removed and the shaft and coupling sent to a?
>>> machine shop for checking. With the boat out of the water it was?
>>> clear that the shaft was not aligned.?
>>>?
>>> The machine shop confirmed that the shaft and coupling are true.?
>>> The standard prop was then installed, the engine again realigned?
>>> (the mechanic is getting lots of practice) and the boat put back in?
>>> the water with assurances that all would now be good. The opposite?
>>> is true. At 2300 revs the noise is more persistent and louder than?
>>> with the Kiwi Prop. A subsequent test by the mechanics with the?
>>> engine covers off lead them to say that, at the point where the?
>>> noise starts, the motor can be seen to "move" sideways visually.?
>>> Another symptom is that when the engine is throttled back, a?
>>> relatively low frequency vibration passes through the hull which can?
>>> be easily felt at the wheel. The boat almost seems to be "shaking?
>>> it's hips" There are no abnormal engine noises etc, no black smoke?
>>> or any other signs of engine problems. It is smooth at idle and?
>>> when revved in neutral.?
>>>?
>>> Having confirmed that this is not a Kiwi Prop problem (i.e. my?
>>> problem from the dealers perspective) the dealers' next suggestion?
>>> is that possibly the wrong engine mounting rubber blocks were?
>>> installed from new. That seems a possibility, but a pretty remote?
>>> one. I would welcome other theories as our season is rapidly?
>>> disappearing.?
>>>?
>>> Jerry Brown?
>>> #1137 Indigo?
>>?
>>?
>> - -----------------------------------------------------------------?
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