[frers-list]Rig tensions
Edgar Smith
frers-list@lists.frers33.com
Thu, 2 Oct 2014 09:00:44 -0400
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Damn Dave, we've been relying on Archimedes' principle. No wonder you =
keep beating us. Guess we're just old school.
By the way, we've put together a Frers 33 super-group for the Thundermug =
regatta. We've got the captains of First Edition, Risoluto and Pachyderm =
together aboard Pachyderm to see if we can screw up Dave's chances for a =
first overall in ECSA. For those outside of our area, Wolverine is =
currently tied for first place against in the Eastern Connecticut =
Sailing Association overall results. Bring it on Wolverine!
Edgar Smith
Geomatrix Productions
www.geomatrixproductions.com
edgar@geomatrixproductions.com
Work - (203) 389-0001
Fax- (203) 387-8558
Cell/evening (203) 215-5405
On Oct 2, 2014, at 1:03 AM, <frers-list-request@lists.frers33.com>
wrote:
> Send frers-list mailing list submissions to
> frers-list@lists.frers33.com
>=20
> To subscribe or unsubscribe via the World Wide Web, visit
> http://lists.frers33.com/mailman/listinfo/frers-list
> or, via email, send a message with subject or body 'help' to
> frers-list-request@lists.frers33.com
>=20
> You can reach the person managing the list at
> frers-list-admin@lists.frers33.com
>=20
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of frers-list digest..."
>=20
> Today's Topics:
>=20
> 1. Re: Rig tensions (Comodore2@aol.com)
> 2. Rig Tension (straight)
> 3. Rig tensions (Edgar Smith)
> 4. RE: Rig tensions (Dave Nauber)
>=20
> From: <Comodore2@aol.com>
> Date: October 1, 2014 8:32:44 AM EDT
> To: <frers-list@lists.frers33.com>
> Subject: Re: [frers-list]Rig tensions
> Reply-To: <frers-list@lists.frers33.com>
>=20
>=20
> Mike, Al gauges shown are for wire rigging. Frers 33 has ROD rigging.
> Jack Greifzu (Slingshot)
> =20
> In a message dated 9/30/2014 9:41:12 A.M. Eastern Daylight Time, =
Mike.Hoyt@impgroup.com writes:
> Hi
> =20
> I noticed on the tuning guide the numbers reported were the gauge =
readings rather than the translated numbers in pounds. I have also =
noted that Loos makes several models of these tension gauges and each =
would likely give a different number.
> =20
> Would it be possible to replay with not only the numbers you use for =
uppers, lowers, intermediates and forestay as the tension gauge numbers =
but if possible also the translated pounds value and the model of your =
tension gauge? If anyone knows the diameter of rod used in each that =
would be nice as well because if it differs from boat to boat it would =
affect the readings as well. Our former J boat rig tuning guide was ion =
pounds =85.
> =20
> Thanks=20
> =20
> Mike
>=20
>=20
>=20
> From: straight <StrightR@eastlink.ca>
> Date: October 1, 2014 8:57:12 AM EDT
> To: <frers-list@lists.frers33.com>
> Subject: [frers-list]Rig Tension
> Reply-To: <frers-list@lists.frers33.com>
>=20
>=20
> Hi Mike,
> =20
> As I mentioned previously the Frers 33 is equipped with Rod Rigging. =
The Loos Gauge required is one that is made and calibrated for Rod =
Rigging. The procedure is to measure the rod on the instrument =
(calibration is on the side) then hook on the guage and check the rig =
tension and adjust as appropriate. The numbers are a lot simpler to =
keep track of than the pounds. As far as I know the readings are =
similar if not identical on all Rod Rigging Loose gauges. The reason =
for the variation in tension on different rigs is probably a reflection =
of the type of sailing done, competition and local conditions. Info on =
the gauge used is available at =
http://loosnaples.com/tension-gauges/rod-rigging-gauge.
> =20
> I believe all Loos Gauges made for rod rigging will give the same =
readings if they are used properly.
> =20
> Rod
> Equinox
>=20
>=20
>=20
> From: Edgar Smith <edgar@geomatrixproductions.com>
> Date: October 1, 2014 11:04:25 AM EDT
> To: <frers-list@lists.frers33.com>
> Subject: [frers-list]Rig tensions
> Reply-To: <frers-list@lists.frers33.com>
>=20
>=20
> Hi Mike:
>=20
> Sounds like you'll be racing your boat, always good to hear. I also =
came from a J-boat and I think you'll find the Frers mast is actually =
easier to tune. We got the forestay length and rake from the tuning =
guide and centered the mast before blocking. Then the shrouds were just =
a matter of sighting up the mast while under sail. First we tension the =
uppers a few turns with a wrench after hand tight. Then I work down, =
keeping the mast in column at the dock keeping the intermediates and =
lowers both a bit looser than the uppers. The goal is tight enough that =
the leeward upper does not go particularly slack in moderate breeze. I =
don't see any value in more tension than that. Because the shrouds are =
not swept back by more than an few inches, you are not controlling fore =
and aft mast bend with them. So it's really just a matter of going for a =
sail and making some adjustments to keep it straight under load. I sight =
with mast straight - minimal backstay and runner on so it is easier to =
judge if the mast is, hooking, falling off or just bending in column. I =
haven't seen the need for a Loos gauge. Finally if the breeze is really =
on we might take two turns on the headstay and one extra turn on the =
uppers before a race.=20
>=20
> Does anybody take a more scientific approach than we do?
>=20
>=20
> Edgar Smith
> Pachyderm
>=20
>=20
>=20
> From: Dave Nauber <dnauber@classeaudio.com>
> Date: October 1, 2014 11:14:07 AM EDT
> To: <frers-list@lists.frers33.com>
> Subject: RE: [frers-list]Rig tensions
> Reply-To: <frers-list@lists.frers33.com>
>=20
>=20
> Wolverine uses Euler=92s Equations to compute rig tension, but =
sighting up the mast is good too.
> =20
> David Nauber
> President
> Class=E9
>=20
> C: 860-301-7011 | classeaudio.com
> B&W Group Canada | 5070 Fran=E7ois Cusson | Lachine | QC | H8T 1B3
> Follow Bowers & Wilkins on: facebook.com/bowerswilkins | =
twitter.com/bowers_wilkins | youtube.com/bowerswilkins
>=20
> This email message is confidential and for use by the addressee only. =
Publication of its contents in whole or in part in any medium (including =
electronic means such as e-mail and web-sites) is expressly forbidden =
without prior written consent. B&W Group Ltd does not accept =
responsibility for any changes made to this message after it was sent. =
The views expressed in this document are that of the individual and may =
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B&W Group Ltd.
>=20
> =20
> From: frers-list-admin@lists.frers33.com =
[mailto:frers-list-admin@lists.frers33.com] On Behalf Of Edgar Smith
> Sent: Wednesday, October 01, 2014 11:04 AM
> To: frers-list@lists.frers33.com
> Subject: [frers-list]Rig tensions
> =20
> Hi Mike:
> =20
> Sounds like you'll be racing your boat, always good to hear. I also =
came from a J-boat and I think you'll find the Frers mast is actually =
easier to tune. We got the forestay length and rake from the tuning =
guide and centered the mast before blocking. Then the shrouds were just =
a matter of sighting up the mast while under sail. First we tension the =
uppers a few turns with a wrench after hand tight. Then I work down, =
keeping the mast in column at the dock keeping the intermediates and =
lowers both a bit looser than the uppers. The goal is tight enough that =
the leeward upper does not go particularly slack in moderate breeze. I =
don't see any value in more tension than that. Because the shrouds are =
not swept back by more than an few inches, you are not controlling fore =
and aft mast bend with them. So it's really just a matter of going for a =
sail and making some adjustments to keep it straight under load. I sight =
with mast straight - minimal backstay and runner on so it is easier to =
judge if the mast is, hooking, falling off or just bending in column. I =
haven't seen the need for a Loos gauge. Finally if the breeze is really =
on we might take two turns on the headstay and one extra turn on the =
uppers before a race.=20
> =20
> Does anybody take a more scientific approach than we do?
> =20
> =20
> Edgar Smith
> Pachyderm
>=20
>=20
>=20
> _______________________________________________
> frers-list mailing list
> frers-list@lists.frers33.com
> http://lists.frers33.com/mailman/listinfo/frers-list
>=20
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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Damn =
Dave, we've been relying on Archimedes' principle. No wonder you keep =
beating us. Guess we're just old school.<div><br></div><div>By the way, =
we've put together a Frers 33 super-group for the Thundermug regatta. =
We've got the captains of First Edition, Risoluto and Pachyderm together =
aboard Pachyderm to see if we can screw up Dave's chances for a first =
overall in ECSA. For those outside of our area, Wolverine is currently =
tied for first place against in the Eastern Connecticut Sailing =
Association overall results. Bring it on Wolverine!<div><br><div>
Edgar Smith<br>Geomatrix Productions<br><a =
href=3D"http://www.geomatrixproductions.com">www.geomatrixproductions.com<=
/a><br>edgar@geomatrixproductions.com<br>Work - (203) =
389-0001<br>Fax- (203) 387-8558<br>Cell/evening (203) 215-5405
</div>
<br><div><div>On Oct 2, 2014, at 1:03 AM, <<a =
href=3D"mailto:frers-list-request@lists.frers33.com">frers-list-request@li=
sts.frers33.com</a>></div><div> wrote:</div><br =
class=3D"Apple-interchange-newline"><blockquote type=3D"cite">Send =
frers-list mailing list submissions to<br><span class=3D"Apple-tab-span" =
style=3D"white-space:pre"> </span><a =
href=3D"mailto:frers-list@lists.frers33.com">frers-list@lists.frers33.com<=
/a><br><br>To subscribe or unsubscribe via the World Wide Web, =
visit<br><span class=3D"Apple-tab-span" style=3D"white-space:pre"> =
</span>http://lists.frers33.com/mailman/listinfo/frers-list<br>or, via =
email, send a message with subject or body 'help' to<br><span =
class=3D"Apple-tab-span" style=3D"white-space:pre"> =
</span>frers-list-request@lists.frers33.com<br><br>You can reach the =
person managing the list at<br><span class=3D"Apple-tab-span" =
style=3D"white-space:pre"> =
</span>frers-list-admin@lists.frers33.com<br><br>When replying, please =
edit your Subject line so it is more specific<br>than "Re: Contents of =
frers-list digest..."<br><br>Today's Topics:<br><br> 1. Re: =
Rig tensions (Comodore2@aol.com)<br> 2. Rig Tension =
(straight)<br> 3. Rig tensions (Edgar Smith)<br> =
4. RE: Rig tensions (Dave Nauber)<br><br><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>From: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;"><Comodore2@aol.com><br></span></div><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>Date: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;">October 1, 2014 8:32:44 AM EDT<br></span></div><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>To: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;"><frers-list@lists.frers33.com><br></span></div><d=
iv style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>Subject: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;"><b>Re: [frers-list]Rig =
tensions</b><br></span></div><div style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span =
style=3D"font-family:'Helvetica'; font-size:medium; color:rgba(127, 127, =
127, 1.0);"><b>Reply-To: </b></span><span =
style=3D"font-family:'Helvetica'; =
font-size:medium;"><frers-list@lists.frers33.com><br></span></div><b=
r><br>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8">
<meta name=3D"GENERATOR" content=3D"MSHTML 11.00.9600.17280">
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face=3D"Arial">
<div>Mike, Al gauges shown are for wire rigging. Frers 33 has ROD=20=
rigging.</div>
<div>Jack Greifzu (Slingshot)</div>
<div> </div>
<div>
<div>In a message dated 9/30/2014 9:41:12 A.M. Eastern Daylight Time,=20
Mike.Hoyt@impgroup.com writes:</div>
<blockquote style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: =
blue 2px solid"><font style=3D"BACKGROUND-COLOR: transparent" =
color=3D"#1f497d" size=3D"2" face=3D"Calibri">
<div class=3D"WordSection1"><p class=3D"MsoNormal"><span style=3D"COLOR:=
#1f497d">Hi<o:p></o:p></span></p><p class=3D"MsoNormal"><span =
lang=3D"EN-CA" style=3D"COLOR: #1f497d"><o:p> </o:p></span></p><p =
class=3D"MsoNormal"><span lang=3D"EN-CA" style=3D"COLOR: #1f497d">I =
noticed on the=20
tuning guide the numbers reported were the gauge readings rather than =
the=20
translated numbers in pounds. I have also noted that Loos makes =
several=20
models of these tension gauges and each would likely give a different=20=
number.<o:p></o:p></span></p><p class=3D"MsoNormal"><span lang=3D"EN-CA"=
style=3D"COLOR: #1f497d"><o:p> </o:p></span></p><p =
class=3D"MsoNormal"><span lang=3D"EN-CA" style=3D"COLOR: #1f497d">Would =
it be=20
possible to replay with not only the numbers you use for uppers, =
lowers,=20
intermediates and forestay as the tension gauge numbers but if =
possible also=20
the translated pounds value and the model of your tension gauge? =
If=20
anyone knows the diameter of rod used in each that would be nice as =
well=20
because if it differs from boat to boat it would affect the readings =
as=20
well. Our former J boat rig tuning guide was ion pounds=20
=85.<o:p></o:p></span></p><p class=3D"MsoNormal"><span lang=3D"EN-CA" =
style=3D"COLOR: #1f497d"><o:p> </o:p></span></p><p =
class=3D"MsoNormal"><span lang=3D"EN-CA" style=3D"COLOR: =
#1f497d">Thanks =20
<o:p></o:p></span></p><p class=3D"MsoNormal"><span lang=3D"EN-CA" =
style=3D"COLOR: #1f497d"><o:p> </o:p></span></p><p =
class=3D"MsoNormal"><span lang=3D"EN-CA" style=3D"COLOR: =
#1f497d">Mike</span></p></div></font></blockquote></div></font></div><br><=
br><br><div style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: =
0px; margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>From: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;">straight =
<StrightR@eastlink.ca><br></span></div><div style=3D"margin-top: =
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span =
style=3D"font-family:'Helvetica'; font-size:medium; color:rgba(127, 127, =
127, 1.0);"><b>Date: </b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;">October 1, 2014 8:57:12 AM EDT<br></span></div><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>To: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;"><frers-list@lists.frers33.com><br></span></div><d=
iv style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>Subject: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;"><b>[frers-list]Rig Tension</b><br></span></div><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>Reply-To: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;"><frers-list@lists.frers33.com><br></span></div><b=
r><br>
<meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dus-ascii"><meta name=3D"Generator" content=3D"Microsoft Word =
15 (filtered medium)"><style><!--
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<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--><div lang=3D"EN-CA" link=3D"#0563C1" =
vlink=3D"#954F72"><div class=3D"WordSection1"><p class=3D"MsoNormal">Hi =
Mike,<o:p></o:p></p><p class=3D"MsoNormal"><o:p> </o:p></p><p =
class=3D"MsoNormal">As I mentioned previously the Frers 33 is equipped =
with Rod Rigging. The Loos Gauge required is one that is made and =
calibrated for Rod Rigging. The procedure is to measure the rod on =
the instrument (calibration is on the side) then hook on the guage and =
check the rig tension and adjust as appropriate. The numbers are a =
lot simpler to keep track of than the pounds. As far as I know the =
readings are similar if not identical on all Rod Rigging Loose =
gauges. The reason for the variation in tension on different rigs =
is probably a reflection of the type of sailing done, competition =
and local conditions. Info on the gauge used is available at =
<a =
href=3D"http://loosnaples.com/tension-gauges/rod-rigging-gauge">http://loo=
snaples.com/tension-gauges/rod-rigging-gauge</a>.<o:p></o:p></p><p =
class=3D"MsoNormal"><o:p> </o:p></p><p class=3D"MsoNormal">I =
believe all Loos Gauges made for rod rigging will give the same readings =
if they are used properly.<o:p></o:p></p><p =
class=3D"MsoNormal"><o:p> </o:p></p><p =
class=3D"MsoNormal">Rod<o:p></o:p></p><p class=3D"MsoNormal">Equinox =
<o:p></o:p></p></div></div><br><br><br><div style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span =
style=3D"font-family:'Helvetica'; font-size:medium; color:rgba(127, 127, =
127, 1.0);"><b>From: </b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;">Edgar Smith =
<edgar@geomatrixproductions.com><br></span></div><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>Date: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;">October 1, 2014 11:04:25 AM EDT<br></span></div><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>To: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;"><frers-list@lists.frers33.com><br></span></div><d=
iv style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>Subject: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;"><b>[frers-list]Rig tensions</b><br></span></div><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>Reply-To: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;"><frers-list@lists.frers33.com><br></span></div><b=
r><br>
<meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dus-ascii"><div style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi =
Mike:<div><br></div><div>Sounds like you'll be racing your boat, always =
good to hear. I also came from a J-boat and I think you'll find the =
Frers mast is actually easier to tune. We got the forestay length and =
rake from the tuning guide and centered the mast before blocking. Then =
the shrouds were just a matter of sighting up the mast while under sail. =
First we tension the uppers a few turns with a wrench after hand =
tight. Then I work down, keeping the mast in column at the dock =
keeping the intermediates and lowers both a bit looser than the =
uppers. The goal is tight enough that the leeward upper does not go =
particularly slack in moderate breeze. I don't see any value in more =
tension than that. Because the shrouds are not swept back by more than =
an few inches, you are not controlling fore and aft mast bend with them. =
So it's really just a matter of going for a sail and making some =
adjustments to keep it straight under load. I sight with mast straight - =
minimal backstay and runner on so it is easier to judge if the mast is, =
hooking, falling off or just bending in column. I haven't seen the need =
for a Loos gauge. Finally if the breeze is really on we might take two =
turns on the headstay and one extra turn on the uppers before a =
race. </div><div><br></div><div>Does anybody take a more scientific =
approach than we do?</div><div><br></div><div><br><div>
<span class=3D"Apple-style-span" style=3D"border-collapse: separate; =
font-family: Verdana; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: =
none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; ">Edgar =
Smith</span></div><div><span class=3D"Apple-style-span" =
style=3D"border-collapse: separate; font-family: Verdana; font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; orphans: 2; text-align: -webkit-auto; =
text-indent: 0px; text-transform: none; white-space: normal; widows: 2; =
word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; =
-webkit-border-vertical-spacing: 0px; =
-webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; =
">Pachyderm<br></span></div></div></div><br><br><br><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>From: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;">Dave Nauber =
<dnauber@classeaudio.com><br></span></div><div style=3D"margin-top: =
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span =
style=3D"font-family:'Helvetica'; font-size:medium; color:rgba(127, 127, =
127, 1.0);"><b>Date: </b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;">October 1, 2014 11:14:07 AM EDT<br></span></div><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>To: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;"><frers-list@lists.frers33.com><br></span></div><d=
iv style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(127, 127, 127, 1.0);"><b>Subject: =
</b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;"><b>RE: [frers-list]Rig =
tensions</b><br></span></div><div style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span =
style=3D"font-family:'Helvetica'; font-size:medium; color:rgba(127, 127, =
127, 1.0);"><b>Reply-To: </b></span><span =
style=3D"font-family:'Helvetica'; =
font-size:medium;"><frers-list@lists.frers33.com><br></span></div><b=
r><br><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Diso-8859-1">
<meta name=3D"Generator" content=3D"Microsoft Word 12 (filtered =
medium)"><style><!--
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</o:shapelayout></xml><![endif]--><div lang=3D"EN-US" link=3D"blue" =
vlink=3D"purple"><div class=3D"WordSection1"><p class=3D"MsoNormal"><span =
style=3D"font-size:11.0pt;font-family:"Calibri","sans-serif=
";color:#1F497D">Wolverine uses Euler=92s Equations to compute rig =
tension, but sighting up the mast is good too. <o:p></o:p></span></p><p =
class=3D"MsoNormal"><span =
style=3D"font-size:11.0pt;font-family:"Calibri","sans-serif=
";color:#1F497D"><o:p> </o:p></span></p><div><p =
class=3D"MsoNormal" style=3D"text-autospace:none"><b><span =
style=3D"font-size:10.0pt;font-family:"Verdana","sans-serif=
";color:gray">David Nauber</span></b><span =
style=3D"font-size:10.0pt;font-family:"Tahoma","sans-serif&=
quot;;color:gray"><br></span><span =
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";color:gray">President<br>Class=E9</span><span =
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quot;;color:gray"><br></span><span =
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uot;;color:gray"><br></span><span =
style=3D"font-size:10.0pt;font-family:"Verdana","sans-serif=
";color:gray">C: 860-301-7011 | classeaudio.com<br>B&W Group =
Canada | 5070 Fran=E7ois Cusson | Lachine | QC | H8T 1B3</span><span =
style=3D"font-size:8.5pt;font-family:"MS Shell =
Dlg","sans-serif";color:#1F497D"><o:p></o:p></span></p><p =
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style=3D"font-size:10.0pt;font-family:"Tahoma","sans-serif&=
quot;;color:black"><o:p></o:p></span></p></div><p =
class=3D"MsoNormal"><span =
style=3D"font-size:11.0pt;font-family:"Calibri","sans-serif=
";color:#1F497D"><o:p> </o:p></span></p><div><div =
style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in"><p class=3D"MsoNormal"><b><span =
style=3D"font-size:10.0pt;font-family:"Tahoma","sans-serif&=
quot;">From:</span></b><span =
style=3D"font-size:10.0pt;font-family:"Tahoma","sans-serif&=
quot;"> frers-list-admin@lists.frers33.com =
[mailto:frers-list-admin@lists.frers33.com] <b>On Behalf Of </b>Edgar =
Smith<br><b>Sent:</b> Wednesday, October 01, 2014 11:04 AM<br><b>To:</b> =
frers-list@lists.frers33.com<br><b>Subject:</b> [frers-list]Rig =
tensions<o:p></o:p></span></p></div></div><p =
class=3D"MsoNormal"><o:p> </o:p></p><p class=3D"MsoNormal">Hi =
Mike:<o:p></o:p></p><div><p =
class=3D"MsoNormal"><o:p> </o:p></p></div><div><p =
class=3D"MsoNormal">Sounds like you'll be racing your boat, always good =
to hear. I also came from a J-boat and I think you'll find the Frers =
mast is actually easier to tune. We got the forestay length and rake =
from the tuning guide and centered the mast before blocking. Then the =
shrouds were just a matter of sighting up the mast while under sail. =
First we tension the uppers a few turns with a wrench after hand =
tight. Then I work down, keeping the mast in column at the dock =
keeping the intermediates and lowers both a bit looser than the =
uppers. The goal is tight enough that the leeward upper does not go =
particularly slack in moderate breeze. I don't see any value in more =
tension than that. Because the shrouds are not swept back by more than =
an few inches, you are not controlling fore and aft mast bend with them. =
So it's really just a matter of going for a sail and making some =
adjustments to keep it straight under load. I sight with mast straight - =
minimal backstay and runner on so it is easier to judge if the mast is, =
hooking, falling off or just bending in column. I haven't seen the need =
for a Loos gauge. Finally if the breeze is really on we might take two =
turns on the headstay and one extra turn on the uppers before a =
race. <o:p></o:p></p></div><div><p =
class=3D"MsoNormal"><o:p> </o:p></p></div><div><p =
class=3D"MsoNormal">Does anybody take a more scientific approach than we =
do?<o:p></o:p></p></div><div><p =
class=3D"MsoNormal"><o:p> </o:p></p></div><div><p =
class=3D"MsoNormal"><o:p> </o:p></p><div><p class=3D"MsoNormal"><span=
class=3D"apple-style-span"><span =
style=3D"font-size:13.5pt;font-family:"Verdana","sans-serif=
";color:black">Edgar =
Smith</span></span><o:p></o:p></p></div><div><p class=3D"MsoNormal"><span =
class=3D"apple-style-span"><span =
style=3D"font-size:13.5pt;font-family:"Verdana","sans-serif=
";color:black">Pachyderm</span></span><span =
style=3D"font-size:13.5pt;font-family:"Verdana","sans-serif=
";color:black"><br><br></span><o:p></o:p></p></div></div></div></div>=
<br><br>_______________________________________________<br>frers-list =
mailing =
list<br>frers-list@lists.frers33.com<br>http://lists.frers33.com/mailman/l=
istinfo/frers-list<br><br></blockquote></div><br></div></div></body></html=
>=
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