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C. Robert Lester
Curved Rudder | 84 Rhodes 22
2018-12-11; 16:58:08 EST
Member Since
2010-12-23
Posts: 98
Roger - Thank you & please know that the rudder is removed & stored separately from the boat in the winter time. Your information is very helpful as I'm unsure how the rudder was stored prior to my purchase in 2012. I feel a small, core sample will be had this winter on the rudder. Stay tuned. Bob Rudder 84 R22.jpgSee the original archive post
-----Original Message----- From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> On Behalf Of ROGER PIHLAJA Sent: Monday, November 26, 2018 12:03 PM To: The Rhodes 22 Email List <rhodes22-list at rhodes22.org> Subject: Re: [Rhodes22-list] Curved Rudder | 84 Rhodes 22 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 Sent from Mail<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgo.microsoft.com%2Ffwlink%2F%3FLinkId%3D550986&data=02%7C01%7Cc.robert.lester%40dartmouth.edu%7Cf44e6dda12d44106ba1908d653c0fdbc%7C995b093648d640e5a31ebf689ec9446f%7C0%7C1%7C636788485691734831&sdata=ubicsp0qq9f0jF0QJrluMHiK%2BwZR0oA5voZNScX%2FGWA%3D&reserved=0> for Windows 10 ________________________________ From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> on behalf of Lowe, Rob <rlowe at vt.edu> Sent: Monday, November 26, 2018 10:28:34 AM To: The Rhodes 22 Email List Subject: Re: [Rhodes22-list] Curved Rudder | 84 Rhodes 22 Bob, That is the oddest thing. Don't think we've seen one like this before. I can't imagine a fix for this. Does it affect handling enough to require a replacement? - rob Oh, and I don't know about pulling with snow on the ground. I try to get out while it's still in the 50's! -----Original Message----- From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> On Behalf Of C. Robert Lester Sent: Sunday, November 25, 2018 8:35 PM To: The Rhodes 22 Email List <rhodes22-list at rhodes22.org> Subject: Re: [Rhodes22-list] Curved Rudder | 84 Rhodes 22 Greetings all & Happy Holiday's. We just pulled the boat off Lake Sunapee in NH (11/24/18) as I guess the 2018 season is over. While I had the chance I took better pics of our "Curved Rudder" issue. The first pics were not very telling of the issue as these are. I ask if there is knowledge on a repair for this issue or is a replacement in our future? Thank you in advance, Bob '84 Orion -----Original Message----- From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> On Behalf Of Lowe, Rob Sent: Monday, February 20, 2017 10:12 AM To: The Rhodes 22 Email List <rhodes22-list at rhodes22.org> Subject: Re: [Rhodes22-list] Curved Rudder | 84 Rhodes 22 Bob, Almost looks like the rudder blade has twisted or warped?? Kind of hard to tell. Not sure anyone has reported this as an issue before. What material is the rudder blade made of? - rob Rob Lowe -----Original Message----- From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of Graham Stewart Sent: Saturday, February 18, 2017 11:35 PM To: 'The Rhodes 22 Email List' <rhodes22-list at rhodes22.org> Subject: Re: [Rhodes22-list] Curved Rudder | 84 Rhodes 22 Thanks for the pictures Bob. I can't be sure I can see the curve but it looks to me like there might be a bend at the join between the rudder and the head. That might be possible. I just don't know how the rudder itself could bend without breaking. That doesn't mean it can't happen. Graham -----Original Message----- From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of C. Robert Lester Sent: February 18, 2017 9:11 PM To: The Rhodes 22 Email List Subject: Re: [Rhodes22-list] Curved Rudder | 84 Rhodes 22 Graham, Good point about the swollen side as you experienced. However, you can see by both pics here it is a different case. Pic #2 that has the rudder laying down and it shows the best example of the curve. Bob -----Original Message----- From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of Graham Stewart Sent: Saturday, February 11, 2017 10:25 PM To: 'The Rhodes 22 Email List' <rhodes22-list at rhodes22.org> Subject: Re: [Rhodes22-list] Curved Rudder | 84 Rhodes 22 Bob: Can you post a picture of the rudder? I wonder if the rudder is curved or instead has "swollen" on one side due to water migration into the core - especially if the rudder has been exposed to freezing. When I rebuilt my rudder I found that there were large voids in it and undertook to fill them with epoxy. Removing any paint might show cracks and if so see if there is a pattern that shows the effect of internal pressure. Just a guess. Graham Stewart Agile. R22, 1976 Kingston Ontario Canada -----Original Message----- From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of Michael Weisner Sent: February 11, 2017 4:41 PM To: The Rhodes 22 Email List Subject: [Rhodes22-list] Curved Rudder | 84 Rhodes 22 As the list admin, I received this "bounced" email this morning. I am not sure why it wound up in my inbox but it appears to have been sent to the list but did not reach the intended destination. I am therefore forwarding it to the list. Note to Bob: If you figure out why your post did not reach the proper destination, please let me know. I hope that this helps to find a solution to your problem. Mike s/v Wind Lass ('91) Nissequogue River, NY From: C. Robert Lester [mailto:C.Robert.Lester at dartmouth.edu] Sent: Saturday, February 11, 2017 11:06 AM To: rhodes22-list-bounces at rhodes22.org Subject: Curved Rudder | 84 Rhodes 22 I have an 84 Rhodes 22, that came with a "slightly-curved" rudder? As you can imagine, when under power this applies a slight port steer. As interested as I am in what would have caused this slight curve to the rudder, I am more interested in repairing/replacing this issue. Thanks in advance for your thoughts / suggestions. Bob __________________________________________________ To subscribe/unsubscribe go to https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.rhodes22.org%2Fmailman%2Flistinfo%2Frhodes22-list&data=02%7C01%7Cc.robert.lester%40dartmouth.edu%7Cf44e6dda12d44106ba1908d653c0fdbc%7C995b093648d640e5a31ebf689ec9446f%7C0%7C1%7C636788485691734831&sdata=bVJd3NJZFE1fDOhHUSyNu1dX7J3n0KKlJMayXsJkbPE%3D&reserved=0 For the list Charter and help with using the mailing list and archives go to https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.rhodes22.org%2Flist&data=02%7C01%7Cc.robert.lester%40dartmouth.edu%7Cf44e6dda12d44106ba1908d653c0fdbc%7C995b093648d640e5a31ebf689ec9446f%7C0%7C1%7C636788485691734831&sdata=YL%2B6LlR8BoZN4M16L3xwrLrymc%2B1Xr1cKpj6JUUdc%2FM%3D&reserved=0 __________________________________________________ __________________________________________________ To subscribe/unsubscribe go to 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