[Rhodes22-list] Roger!!

[Lowe, Rob]

Roger!
Good to hear you are still around and still the best engineer we ever had on the list (except for Stan of course).

Rose is retired.  Stan is still at it.  I expect you've heard that Elton has passed on.  Stan is still rebuilding boats.  I plan to take mine back to him shortly and have him repair some items that need his attention.  Good to hear Dynamic Equilibrium is still on the water. - Rob

Rob Lowe
List member since 2004



-----Original Message-----
From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> On Behalf Of ROGER PIHLAJA
Sent: Monday, November 26, 2018 1:07 PM
To: The Rhodes 22 Email List <rhodes22-list at rhodes22.org>
Subject: Re: [Rhodes22-list] Roger!!

Peter,

I dropped off the list in 2002 because I was tired of the political rancor vs boat talk.  In the years since then, I earned a BSME degree to go with my MSChE and BSChE degrees and spent 10 years as an engineering consultant with Emerson Process Management.   I’m retired now, but we still have our 1978 Rhodes 22.  We still mostly day sail it from our dock on Sanford Lake in the central lower peninsula of Michigan.  I’m still married to Deborah, 41+ years now.  I have 3 grandchildren, 2 girls and a boy.  Kaylee, the oldest is 4, and I’m looking forward to overnighting with her at the dock and at anchor next summer.

I know Stan and Rose have retired.  Are they still selling Rhodes pieces/parts, perhaps selling off old stock?

Roger Pihlaja
SV Dynamic Equilibrium 

Sent from my iPhone

> On Nov 26, 2018, at 12:51 PM, Peter Nyberg <peter at sunnybeeches.com> wrote:
> 
> Roger,
> 
> I joined the list well after you stopped posting, but I feel I know you from having spent many hours reading the list archives.  I’m very happy to see you posting once again.  I hope the list can look forward to more of your insights in the future.
> 
> Peter Nyberg
> Coventry, CT
> s/v Silverheelsl (1988/2016)
> 
> 
>> On Nov 26, 2018, at 12:02 PM, ROGER PIHLAJA <roger_pihlaja at msn.com> wrote:
>> 
>> Bob,
>> 
>> 
>> 
>> I just took some rough measurements of the curvature of your rudder from the attached picture.  It is deflecting ~1.5% in compression buckling mode.  The rudder blade is made from glass fiber reinforced polyester (FRP) with some internal ballast.  Typical FRP composites have an ultimate elongation of from 2-7%, with the failure point tending towards the low end as the temperature drops because the plastic resin passes thru its glass transition temperature and becomes brittle.  I would NOT leave the rudder loaded like that all winter.  You have another issue in that the compression on the rudder is loading up the rudder’s gudgeons and pintles and the boat’s transom in a manner they were never designed to handle.  By spring, you may very well have hull damage on the transom.  I would find some way to get that rudder unloaded ASAP!
>> 
>> 
>> 
>> If you unload it soon, you should see the rudder blade straighten out.  At your next opportunity, strip the bottom paint off the rudder and carefully inspect it.  You are looking for tiny transverse cracks (i.e. running from side to side vs. the length of the rudder blade), especially on the port side where the surface was in tension due to the buckling.  If you see these cracks, you might consider prepping the surface and applying a couple of coats of WEST System epoxy to both sides of the rudder blade.
>> 
>> 
>> 
>> Let me know how it turns out for you or if you have any other questions.
>> 
>> 
>> 
>> Roger Pihlaja
>> 
>> SV Dynamic Equilibrium
>> 
> 
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