[Rhodes22-list] Fractured stern plate.

[R22RumRunner at aol.com]

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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