[Rhodes22-list] Fractured stern plate.
Arthur H. Czerwonky
czerwonky at earthlink.net
Sun Sep 26 23:06:30 EDT 2010
Pat,
Better yet, maybe they can supply the plate to shape out of annodized. I had a mast done this Spring, and they charged a minimum to cover setup costs and make a little money, which they did indeed accomplish!
Art
-----Original Message-----
>From: "Michael D. Weisner" <mweisner at ebsmed.com>
>Sent: Sep 26, 2010 10:46 PM
>To: The Rhodes 22 Email List <rhodes22-list at rhodes22.org>
>Subject: Re: [Rhodes22-list] Fractured stern plate.
>
>Pat,
>
>If you want the plate to last, have it "clear anodized"
>(http://www.superiormetals.us/anodized-aluminum-applications-marine.htm .)
>If Stan can't have it done, just about any machine shop can.
>
>Anodizers close to Maple Lake, MN: http://tinyurl.com/2f6y4w5
> Anodize Inc
> 1102 1st St NE, Buffalo, MN 55313-2528
> (763) 682-0400
>
>Mike
>s/v Shanghai'd Summer ('81)
>Nissequogue River, NY
>
>From: "Pat & Mary Ann" Sunday, September 26, 2010 10:31 PM
>> Thanks for the suggestion Rummy. I sail on a fresh water late in
>> Minnesota
>> called Maple Lake. I'll probably coat the aluminum before I install it.
>> Pat.
>> ----- Original Message -----
>> From: <R22RumRunner at aol.com>
>> To: <rhodes22-list at rhodes22.org>
>> Sent: Sunday, September 26, 2010 11:56 AM
>> Subject: Re: [Rhodes22-list] Fractured stern plate.
>>
>>
>>> If you are going to use aluminum, remember that salt water will attack it
>>> very quickly. I would give it several coats of clear lacquer or some
>>> other
>>> coating to protect it from corrosion. The corrosion won't affect it's
>>> strength for many years, it's just a visual thing.
>>>
>>> Rummy
>>>
>>>
>>> In a message dated 9/26/2010 12:46:15 P.M. Eastern Daylight Time,
>>> pmadevig at gra.midco.net writes:
>>>
>>> Stan suggested I use aluminum for the replacement of the fractured stern
>>> plate, so that's what I'll use. Should be ready by spring.
>>> Pat----- Original Message -----
>>> From: <R22RumRunner at aol.com>
>>> To: <rhodes22-list at rhodes22.org>
>>> Sent: Sunday, September 26, 2010 7:52 AM
>>> Subject: Re: [Rhodes22-list] Fractured stern plate.
>>>
>>>
>>>>I recently ordered some UHMW poly ethylene from Norva Plastics. I told
>>> them
>>>> what I needed, what it was going to be used for and they cut the piece
>>>> to
>>>> size and shipped it to me very quickly and at a reasonable price.
>>>>
>>>> Rummy
>>>>
>>>>
>>>> In a message dated 9/23/2010 8:13:11 P.M. Eastern Daylight Time,
>>>> sprocket80 at mail.com writes:
>>>>
>>>>
>>>>
>>>>
>>>> Pat,
>>>>
>>>> If this is not a warranty repair by GB and you are going to fix it
>>>> yourself, I would recommend NorVa Plastics in Norfolk, Virginia.
>>>> http://www.norvaplastics.com/
>>>>
>>>> You can send them a sketch, the old part, or if you are really
>>>> computer
>>>> savvy, a CAD file. The will make the part from the material of your
>>>> choosing
>>>> (UHMWPE?) and ship it to you.
>>>>
>>>> Todd T.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: Pat & Mary Ann <pmadevig at gra.midco.net>
>>>> To: The Rhodes 22 Email List <rhodes22-list at rhodes22.org>
>>>> Sent: Wed, Sep 22, 2010 9:56 pm
>>>> Subject: Re: [Rhodes22-list] Fractured stern plate.
>>>>
>>>>
>>>> Mike
>>>> Thanks for the thoughtful message. I'm planing to have the problem
>>> plate
>>>> replicated over the winter so it's ready to go in the spring.
>>>> Pat.
>>>> ----- Original Message -----
>>>> From: "Michael D. Weisner" <mweisner at ebsmed.com>
>>>> To: "The Rhodes 22 Email List" <rhodes22-list at rhodes22.org>
>>>> Sent: Wednesday, September 22, 2010 10:09 AM
>>>> Subject: Re: [Rhodes22-list] Fractured stern plate.
>>>>
>>>>
>>>>> Hi Pat,
>>>>>
>>>>> As an engineer, the problem appears to be caused by one (or more)
>>>> problems
>>>>> as follows:
>>>>> 1. Motor weight exceeds design specification
>>>>> 2. Live load (motor, waves, wind, etc.) exceeds design
>>>> specification
>>>>> 3. Improper structural material formulation or specification
>>>>> 4. Damage or abuse (backed into fixed object, collision, etc.
>>>>> 5. Storm damage
>>>>>
>>>>> Since I must assume that Stan built the motor lift and provided the
>>>>> engine,
>>>>> one must assume that #1 is out. As good as Stan is, engineers do
>>> revise
>>>>> their designs to correct "oversights." It is entirely possible that
>>>>> as
>>>>> the
>>>>> 4-cycle electric start engine weights continue to increase, the
>>>>> design
>>>>> of
>>>>> the lift may need to be redesigned (#1, #2 & #3.) An aluminum plate
>>>> would
>>>>> seem to indicate that such a process has already been started at
>>>>> GBI.
>>>>>
>>>>> If designed properly, you should not be capable of damaging the lift
>>> by
>>>>> having "raised the Yamaha too high." IMHO, the only time that you
>>> could
>>>>> be
>>>>> at fault would be in cases like #4.
>>>>>
>>>>> Is it safe to sail? Well, make sure that your safety chain is in
>>>>> good
>>>>> shape
>>>>> and of the correct length so that you do not lose the motor should
>>>>> the
>>>>> plate
>>>>> fail. You could also have difficulty raising or lowering the motor
>>>>> if
>>>> the
>>>>> damage affects the mechanism. Also, be careful since the cracked
>>>> material
>>>>> can be very sharp.
>>>>>
>>>>> Mike
>>>>> s/v Shanghai'd Summer ('81)
>>>>> Nissequogue River, NY
>>>>>
>>>>> From: "Pat & Mary Ann" Tuesday, September 21, 2010 9:07 PM
>>>>>> Hello all,
>>>>>> This summer I notied a progresse, increasing series of cracks in
>>>>>> the
>>>>>> stern
>>>>>> plate. I asked Stan about it and he thought it would be safe to
>>>>>> sail
>>>> til
>>>>>> Labor Day, then pull the plate and replace it with an aluminum
>>> replica.
>>>>>> Has anyone had a similar problem? I wonder if it is because I
>>>>>> raised
>>>> the
>>>>>> Yamaha too high. Any other suggestions for repair or replacement?
>>>>>> Pat Devig
>>>>>> -------------- next part --------------
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>>>>>>
>>>>
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>>
>>
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