[frers-list]RE: frers-list digest, Vol 1 #803 - 2 msgs
Bottaro, Donald (NIH/NCI) [E]
frers-list@lists.frers33.com
Mon, 6 Oct 2014 15:15:41 +0000
Rod,
My own experience with rudder bearing replacement is on the website for dow=
nload under the FAQ tab. To address your questions:
1. 22" might just barely do it; I think 30 is more real. You can estimate b=
y crawling into that space and measuring the gap between the deck and hull =
parallel to the rudder, and adding in for hull and deck thickness and rudde=
r stock above cockpit sole.
2. No experience with Jaffa. I used Tides Marine - mine are the equivalent =
of the current "RPB-G/H" system. Tides made them custom to my specs and wer=
e very good people to work with.
3. the Tides system above is ultra high molecular weight polyethylene (UHMW=
-PE), similar coefficient of teflon but does not absorb water; more durable=
than you might think in this application.
4. Not sure what is on your boat but I have a solid aluminum (approx. 2.5" =
diam) rudder stock - there are no stainless components in the rudder (NOT i=
ncluding its retention system - see #5) to my knowledge.
5. sorry I don't have a picture handy, but the arrangement on whirlaway fit=
s your description except for materials: a stainless steel pin goes through=
the top of the rudder stock and carries two stainless bearings, one on eac=
h side of the stock, retained by cotter pins. The plate upon which the bear=
ings ride above the cockpit sole is also stainless. To my thinking, plastic=
would deform considerably in this application given the small load bearing=
surface areas involved. Nothing like to load-to-surface ratio of the rudde=
r bearings (mine are 5" long for the top and 8" long at the bottom). One po=
tential source of rudder play here is also easily overlooked: the plate on =
the cockpit sole should be perpendicular to the rudder's axis of rotation. =
If not, the rudder will be moving up and down as it rotates, which can be p=
roblematic depending on the bearing system you decide on; simple bushings w=
ill tolerate deviations from perpendicular best. You should look at this ca=
refully at several points on the arc through which the rudder turns.
BTW your cousin Bill appears to be very talented - I would like to have him=
build the fully rigged half hull model for me, could you please put us in =
contact?
Thanks and hope this helps,
Don
Don Bottaro
Frers 33 Whirlaway
-----Original Message-----
From: frers-list-admin@lists.frers33.com [mailto:frers-list-admin@lists.fre=
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Sent: Saturday, October 04, 2014 1:03 AM
To: frers-list@lists.frers33.com
Subject: frers-list digest, Vol 1 #803 - 2 msgs
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Today's Topics:
1. Rudder Tube, bearings or bushings (Rod Stright)
2. RE: Rudder Tube, bearings or bushings (Hoyt, Mike)
--__--__--
Message: 1
From: Rod Stright <StrightR@eastlink.ca>
To: frers-list@lists.frers33.com
Date: Fri, 03 Oct 2014 08:46:43 -0300
Subject: [frers-list]Rudder Tube, bearings or bushings
Reply-To: frers-list@lists.frers33.com
This is a multipart message in MIME format.
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Hi Guys,
=20
Getting ready to haul Equinox and will need to drop the rudder and likely
replace the bushings at least as there is a lot of play. Already read the
articles on the site and have received some good feedback from Edgar. A
couple of questions:
=20
1. How much clearance do I need to drop the rudder. I believe I read
somewhere 22 inches? Is that correct, I want to be able to drop the rudder
and post without depending on the travel lift or digging a hole in bedrock
:).
2. Has anyone any experience with Jaffa or other bearings versus the
bushings.
3. What bushing material has been used?
4. I assume the aluminum tube that is at the top of the rudder post
extends all the way down over the stainless steel rudder post.
5. Does anyone have a picture of the mounting arrangement at the top o=
f
the rudder stock (where it is mounted in the cockpit sole)? Mine has poor
quality rollers mounted on a Starboard (plastic) plate and the rollers are
badly worn. Others I have seen have a stainless steel plate and Derlin
rollers on a through bolt.=20
=20
Regards
Rod
Equinox
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link=3D3D"#0563C1" vlink=3D3D"#954F72"><div class=3D3DWordSection1><p =3D
class=3D3DMsoNormal>Hi Guys,<o:p></o:p></p><p =3D
class=3D3DMsoNormal><o:p> </o:p></p><p class=3D3DMsoNormal>Getting =3D
ready to haul Equinox and will need to drop the rudder and likely =3D
replace the bushings at least as there is a lot of play. Already =3D
read the articles on the site and have received some good feedback from =3D
Edgar. A couple of questions:<o:p></o:p></p><p =3D
class=3D3DMsoNormal><o:p> </o:p></p><p class=3D3DMsoListParagraph =3D
style=3D3D'text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if =3D
!supportLists]><span style=3D3D'mso-list:Ignore'>1.<span =3D
style=3D3D'font:7.0pt "Times New Roman"'> =3D
</span></span><![endif]>How much clearance do I need to drop the =3D
rudder. I believe I read somewhere 22 inches? Is that =3D
correct, I want to be able to drop the rudder and post without depending =
=3D
on the travel lift or digging a hole in bedrock <span =3D
style=3D3D'font-family:Wingdings'>J</span>.<o:p></o:p></p><p =3D
class=3D3DMsoListParagraph style=3D3D'text-indent:-18.0pt;mso-list:l0 level=
1 =3D
lfo1'><![if !supportLists]><span style=3D3D'mso-list:Ignore'>2.<span =3D
style=3D3D'font:7.0pt "Times New Roman"'> =3D
</span></span><![endif]>Has anyone any experience with Jaffa or other =3D
bearings versus the bushings.<o:p></o:p></p><p class=3D3DMsoListParagraph =
=3D
style=3D3D'text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if =3D
!supportLists]><span style=3D3D'mso-list:Ignore'>3.<span =3D
style=3D3D'font:7.0pt "Times New Roman"'> =3D
</span></span><![endif]>What bushing material has been =3D
used?<o:p></o:p></p><p class=3D3DMsoListParagraph =3D
style=3D3D'text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if =3D
!supportLists]><span style=3D3D'mso-list:Ignore'>4.<span =3D
style=3D3D'font:7.0pt "Times New Roman"'> =3D
</span></span><![endif]>I assume the aluminum tube that is at the top of =
=3D
the rudder post extends all the way down over the stainless steel rudder =
=3D
post.<o:p></o:p></p><p class=3D3DMsoListParagraph =3D
style=3D3D'text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if =3D
!supportLists]><span style=3D3D'mso-list:Ignore'>5.<span =3D
style=3D3D'font:7.0pt "Times New Roman"'> =3D
</span></span><![endif]>Does anyone have a picture of the mounting =3D
arrangement at the top of the rudder stock (where it is mounted in the =3D
cockpit sole)? Mine has poor quality rollers mounted on a =3D
Starboard (plastic) plate and the rollers are badly worn. Others I =
=3D
have seen have a stainless steel plate and Derlin rollers on a through =3D
bolt. <o:p></o:p></p><p class=3D3DMsoNormal><o:p> </o:p></p><p =3D
class=3D3DMsoNormal>Regards<o:p></o:p></p><p =3D
class=3D3DMsoNormal>Rod<o:p></o:p></p><p =3D
class=3D3DMsoNormal>Equinox<o:p></o:p></p></div></body></html>
------=3D_NextPart_000_0038_01CFDEE6.8EA64760--
--__--__--
Message: 2
Subject: RE: [frers-list]Rudder Tube, bearings or bushings
Date: Fri, 3 Oct 2014 09:23:10 -0300
From: "Hoyt, Mike" <Mike.Hoyt@impgroup.com>
To: <frers-list@lists.frers33.com>
Reply-To: frers-list@lists.frers33.com
This is a multi-part message in MIME format.
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Rod
=3D20
I heard somewhere that you ensure yard has cradle raised 1 foot.
=3D20
Are you doing the work this Fall? Give me a shout and I will come over
to assist or observe. Apparently Persistence will be replacing rudder
bearings this year or next as well as suggested in survey.
=3D20
Mike
=3D20
BTW. There are three weeks of sailing season left. That represents 15%
of the entire season.
=3D20
From: frers-list-admin@lists.frers33.com
[mailto:frers-list-admin@lists.frers33.com] On Behalf Of Rod Stright
Sent: Friday, October 03, 2014 8:47 AM
To: frers-list@lists.frers33.com
Subject: [frers-list]Rudder Tube, bearings or bushings
=3D20
Hi Guys,
=3D20
Getting ready to haul Equinox and will need to drop the rudder and
likely replace the bushings at least as there is a lot of play. Already
read the articles on the site and have received some good feedback from
Edgar. A couple of questions:
=3D20
1. How much clearance do I need to drop the rudder. I believe I
read somewhere 22 inches? Is that correct, I want to be able to drop
the rudder and post without depending on the travel lift or digging a
hole in bedrock J.
2. Has anyone any experience with Jaffa or other bearings versus
the bushings.
3. What bushing material has been used?
4. I assume the aluminum tube that is at the top of the rudder post
extends all the way down over the stainless steel rudder post.
5. Does anyone have a picture of the mounting arrangement at the
top of the rudder stock (where it is mounted in the cockpit sole)? Mine
has poor quality rollers mounted on a Starboard (plastic) plate and the
rollers are badly worn. Others I have seen have a stainless steel plate
and Derlin rollers on a through bolt.=3D20
=3D20
Regards
Rod
Equinox
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</o:shapelayout></xml><![endif]--></head><body lang=3D3DEN-US =3D
link=3D3D"#0563C1" vlink=3D3D"#954F72"><div class=3D3DWordSection1><p =3D
class=3D3DMsoNormal><span =3D
style=3D3D'color:#1F497D'>Rod<o:p></o:p></span></p><p =3D
class=3D3DMsoNormal><span =3D
style=3D3D'color:#1F497D'><o:p> </o:p></span></p><p =3D
class=3D3DMsoNormal><span style=3D3D'color:#1F497D'>I heard somewhere that =
=3D
you ensure yard has cradle raised 1 foot.<o:p></o:p></span></p><p =3D
class=3D3DMsoNormal><span =3D
style=3D3D'color:#1F497D'><o:p> </o:p></span></p><p =3D
class=3D3DMsoNormal><span style=3D3D'color:#1F497D'>Are you doing the work =
=3D
this Fall? Give me a shout and I will come over to assist or =3D
observe. Apparently Persistence will be replacing rudder bearings =3D
this year or next as well as suggested in =3D
survey.<o:p></o:p></span></p><p class=3D3DMsoNormal><span =3D
style=3D3D'color:#1F497D'><o:p> </o:p></span></p><p =3D
class=3D3DMsoNormal><span =3D
style=3D3D'color:#1F497D'>Mike<o:p></o:p></span></p><p =3D
class=3D3DMsoNormal><span =3D
style=3D3D'color:#1F497D'><o:p> </o:p></span></p><p =3D
class=3D3DMsoNormal><span style=3D3D'color:#1F497D'>BTW. There are =
=3D
three weeks of sailing season left. That represents 15% of the =3D
entire season.<o:p></o:p></span></p><p class=3D3DMsoNormal><span =3D
style=3D3D'color:#1F497D'><o:p> </o:p></span></p><div><div =3D
style=3D3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =3D
0in 0in'><p class=3D3DMsoNormal><b><span =3D
style=3D3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
=3D
</b><span style=3D3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
=3D
frers-list-admin@lists.frers33.com =3D
[mailto:frers-list-admin@lists.frers33.com] <b>On Behalf Of </b>Rod =3D
Stright<br><b>Sent:</b> Friday, October 03, 2014 8:47 AM<br><b>To:</b> =3D
frers-list@lists.frers33.com<br><b>Subject:</b> [frers-list]Rudder Tube, =
=3D
bearings or bushings<o:p></o:p></span></p></div></div><p =3D
class=3D3DMsoNormal><o:p> </o:p></p><p class=3D3DMsoNormal><span =3D
lang=3D3DEN-CA>Hi Guys,<o:p></o:p></span></p><p class=3D3DMsoNormal><span =
=3D
lang=3D3DEN-CA><o:p> </o:p></span></p><p class=3D3DMsoNormal><span =3D
lang=3D3DEN-CA>Getting ready to haul Equinox and will need to drop the =3D
rudder and likely replace the bushings at least as there is a lot of =3D
play. Already read the articles on the site and have received some =
=3D
good feedback from Edgar. A couple of =3D
questions:<o:p></o:p></span></p><p class=3D3DMsoNormal><span =3D
lang=3D3DEN-CA><o:p> </o:p></span></p><p class=3D3DMsoListParagraph =
=3D
style=3D3D'text-indent:-.25in'><span lang=3D3DEN-CA>1.</span><span =3D
lang=3D3DEN-CA style=3D3D'font-size:7.0pt;font-family:"Times New =3D
Roman","serif"'> </span><span =3D
lang=3D3DEN-CA>How much clearance do I need to drop the rudder. I =3D
believe I read somewhere 22 inches? Is that correct, I want to be =3D
able to drop the rudder and post without depending on the travel lift or =
=3D
digging a hole in bedrock </span><span lang=3D3DEN-CA =3D
style=3D3D'font-family:Wingdings'>J</span><span =3D
lang=3D3DEN-CA>.<o:p></o:p></span></p><p class=3D3DMsoListParagraph =3D
style=3D3D'text-indent:-.25in'><span lang=3D3DEN-CA>2.</span><span =3D
lang=3D3DEN-CA style=3D3D'font-size:7.0pt;font-family:"Times New =3D
Roman","serif"'> </span><span =3D
lang=3D3DEN-CA>Has anyone any experience with Jaffa or other bearings =3D
versus the bushings.<o:p></o:p></span></p><p class=3D3DMsoListParagraph =3D
style=3D3D'text-indent:-.25in'><span lang=3D3DEN-CA>3.</span><span =3D
lang=3D3DEN-CA style=3D3D'font-size:7.0pt;font-family:"Times New =3D
Roman","serif"'> </span><span =3D
lang=3D3DEN-CA>What bushing material has been =3D
used?<o:p></o:p></span></p><p class=3D3DMsoListParagraph =3D
style=3D3D'text-indent:-.25in'><span lang=3D3DEN-CA>4.</span><span =3D
lang=3D3DEN-CA style=3D3D'font-size:7.0pt;font-family:"Times New =3D
Roman","serif"'> </span><span =3D
lang=3D3DEN-CA>I assume the aluminum tube that is at the top of the rudder =
=3D
post extends all the way down over the stainless steel rudder =3D
post.<o:p></o:p></span></p><p class=3D3DMsoListParagraph =3D
style=3D3D'text-indent:-.25in'><span lang=3D3DEN-CA>5.</span><span =3D
lang=3D3DEN-CA style=3D3D'font-size:7.0pt;font-family:"Times New =3D
Roman","serif"'> </span><span =3D
lang=3D3DEN-CA>Does anyone have a picture of the mounting arrangement at =
=3D
the top of the rudder stock (where it is mounted in the cockpit =3D
sole)? Mine has poor quality rollers mounted on a Starboard =3D
(plastic) plate and the rollers are badly worn. Others I have seen =
=3D
have a stainless steel plate and Derlin rollers on a through bolt. =3D
<o:p></o:p></span></p><p class=3D3DMsoNormal><span =3D
lang=3D3DEN-CA><o:p> </o:p></span></p><p class=3D3DMsoNormal><span =3D
lang=3D3DEN-CA>Regards<o:p></o:p></span></p><p class=3D3DMsoNormal><span =
=3D
lang=3D3DEN-CA>Rod<o:p></o:p></span></p><p class=3D3DMsoNormal><span =3D
lang=3D3DEN-CA>Equinox<o:p></o:p></span></p></div></body></html>
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