[frers-list]Rig tensions
Dave Nauber
frers-list@lists.frers33.com
Thu, 2 Oct 2014 09:05:46 -0400
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That=B4s great Edgar, thanks. I look forward to seeing the super-group out =
there. Bring your slide rule!
=20
DN
=20
David Nauber
President
Class=E9
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
This email message is confidential and for use by the addressee only. Publi=
cation of its contents in whole or in part in any medium (including electro=
nic means such as e-mail and web-sites) is expressly forbidden without prio=
r written consent. B&W Group Ltd does not accept responsibility for any cha=
nges made to this message after it was sent. The views expressed in this do=
cument are that of the individual and may not necessarily constitute or imp=
ly its endorsement or recommendation by B&W Group Ltd.=20
=20
From: frers-list-admin@lists.frers33.com [mailto:frers-list-admin@lists.fre=
rs33.com] On Behalf Of Edgar Smith
Sent: Thursday, October 02, 2014 9:01 AM
To: frers-list@lists.frers33.com
Subject: Re: [frers-list]Rig tensions
=20
Damn Dave, we've been relying on Archimedes' principle. No wonder you keep =
beating us. Guess we're just old school.
=20
By the way, we've put together a Frers 33 super-group for the Thundermug re=
gatta. We've got the captains of First Edition, Risoluto and Pachyderm toge=
ther 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 ove=
rall results. Bring it on Wolverine!
=20
Edgar Smith
Geomatrix Productions
www.geomatrixproductions.com
edgar@geomatrixproductions.com
Work - (203) 389-0001
Fax- (203) 387-8558
Cell/evening (203) 215-5405=20
=20
On Oct 2, 2014, at 1:03 AM, <frers-list-request@lists.frers33.com>
wrote:
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or, via email, send a message with subject or body 'help' to
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When replying, please edit your Subject line so it is more specific
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Today's Topics:
1. Re: Rig tensions (Comodore2@aol.com)
2. Rig Tension (straight)
3. Rig tensions (Edgar Smith)
4. RE: Rig tensions (Dave Nauber)
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
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 d=
ifferent 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 po=
ssible 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 w=
ell 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 ....
=20
Thanks =20
=20
Mike
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>
Hi Mike,
=20
As I mentioned previously the Frers 33 is equipped with Rod Rigging. The L=
oos 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 s=
ide) then hook on the guage and check the rig tension and adjust as appropr=
iate. 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
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
Hi Mike:
=20
Sounds like you'll be racing your boat, always good to hear. I also came fr=
om a J-boat and I think you'll find the Frers mast is actually easier to tu=
ne. 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 u=
p 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 t=
he dock keeping the intermediates and lowers both a bit looser than the upp=
ers. The goal is tight enough that the leeward upper does not go particular=
ly slack in moderate breeze. I don't see any value in more tension than tha=
t. Because the shrouds are not swept back by more than an few inches, you a=
re 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
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>
Wolverine uses Euler=B4s Equations to compute rig tension, but sighting up =
the mast is good too.=20
=20
David Nauber
President
Class=E9
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
This email message is confidential and for use by the addressee only. Publi=
cation of its contents in whole or in part in any medium (including electro=
nic means such as e-mail and web-sites) is expressly forbidden without prio=
r written consent. B&W Group Ltd does not accept responsibility for any cha=
nges made to this message after it was sent. The views expressed in this do=
cument are that of the individual and may not necessarily constitute or imp=
ly its endorsement or recommendation by B&W Group Ltd.=20
=20
From: frers-list-admin@lists.frers33.com [mailto:frers-list-admin@lists.fre=
rs33.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 fr=
om a J-boat and I think you'll find the Frers mast is actually easier to tu=
ne. 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 u=
p 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 t=
he dock keeping the intermediates and lowers both a bit looser than the upp=
ers. The goal is tight enough that the leeward upper does not go particular=
ly slack in moderate breeze. I don't see any value in more tension than tha=
t. Because the shrouds are not swept back by more than an few inches, you a=
re 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
_______________________________________________
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span style=3D'f=
ont-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>That̵=
7;s great Edgar, thanks. I look forward to seeing the super-group out there=
. Bring your slide rule!<o:p></o:p></span></p><p class=3DMsoNormal><span st=
yle=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><=
o:p> </o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:11=
.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>DN<o:p></o:p></span>=
</p><p class=3DMsoNormal><span style=3D'font-size:11.0pt;font-family:"Calib=
ri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=
=3DMsoNormal style=3D'text-autospace:none'><b><span style=3D'font-size:10.0=
pt;font-family:"Verdana","sans-serif";color:gray'>David Nauber</span></b><s=
pan style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";color:gray'=
><br></span><span style=3D'font-size:10.0pt;font-family:"Verdana","sans-ser=
if";color:gray'>President<br>Class=E9</span><span style=3D'font-size:10.0pt=
;font-family:"Tahoma","sans-serif";color:gray'><br></span><span style=3D'fo=
nt-size:7.5pt;font-family:"Tahoma","sans-serif";color:gray'><br></span><spa=
n 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 =
class=3DMsoNormal style=3D'margin-bottom:12.0pt'><span style=3D'font-size:9=
.0pt;font-family:"Verdana","sans-serif";color:#6E6F71'>Follow Bowers & =
Wilkins on: facebook.com/bowerswilkins | twitter.com/bowers_wilkins | youtu=
be.com/bowerswilkins</span><span style=3D'font-size:7.5pt;font-family:"Verd=
ana","sans-serif";color:gray'><br><br>This email message is confidential an=
d 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-site=
s) is expressly forbidden without prior written consent. B&W Group Ltd =
does not accept responsibility for any changes made to this message after i=
t was sent. The views expressed in this document are that of the individual=
and may not necessarily constitute or imply its endorsement or recommendat=
ion by B&W Group Ltd. </span><span style=3D'font-size:10.0pt;font-famil=
y:"Tahoma","sans-serif";color:black'><o:p></o:p></span></p></div><p class=
=3DMsoNormal><span style=3D'font-size:11.0pt;font-family:"Calibri","sans-se=
rif";color:#1F497D'><o:p> </o:p></span></p><div><div style=3D'border:n=
one;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMs=
oNormal><b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif=
"'>From:</span></b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sa=
ns-serif"'> frers-list-admin@lists.frers33.com [mailto:frers-list-admin@lis=
ts.frers33.com] <b>On Behalf Of </b>Edgar Smith<br><b>Sent:</b> Thursday, O=
ctober 02, 2014 9:01 AM<br><b>To:</b> frers-list@lists.frers33.com<br><b>Su=
bject:</b> Re: [frers-list]Rig tensions<o:p></o:p></span></p></div></div><p=
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>Damn Dave, we'=
ve been relying on Archimedes' principle. No wonder you keep beating us. Gu=
ess we're just old school.<o:p></o:p></p><div><p class=3DMsoNormal><o:p>&nb=
sp;</o:p></p></div><div><p class=3DMsoNormal>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 i=
f we can screw up Dave's chances for a first overall in ECSA. For those out=
side of our area, Wolverine is currently tied for first place against in th=
e Eastern Connecticut Sailing Association overall results. Bring it on Wolv=
erine!<o:p></o:p></p><div><p class=3DMsoNormal><o:p> </o:p></p><div><p=
class=3DMsoNormal>Edgar Smith<br>Geomatrix Productions<br><a href=3D"http:=
//www.geomatrixproductions.com">www.geomatrixproductions.com</a><br><a href=
=3D"mailto:edgar@geomatrixproductions.com">edgar@geomatrixproductions.com</=
a><br>Work - (203) 389-0001<br>Fax- (203) 387-8558<br>Cell/evening (20=
3) 215-5405 <o:p></o:p></p></div><p class=3DMsoNormal><o:p> </o:p></p>=
<div><div><p class=3DMsoNormal>On Oct 2, 2014, at 1:03 AM, <<a href=3D"m=
ailto:frers-list-request@lists.frers33.com">frers-list-request@lists.frers3=
3.com</a>><o:p></o:p></p></div><div><p class=3DMsoNormal> wrote:<o:=
p></o:p></p></div><p class=3DMsoNormal><br><br><o:p></o:p></p><p class=3DMs=
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s33.com</a><br><br>To subscribe or unsubscribe via the World Wide Web, visi=
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please edit your Subject line so it is more specific<br>than "Re: Cont=
ents of frers-list digest..."<br><br>Today's Topics:<br><br> &nbs=
p;1. Re: Rig tensions (<a href=3D"mailto:Comodore2@aol.com">Comodore2@aol.c=
om</a>)<br> 2. Rig Tension (straight)<br> 3. Rig tens=
ions (Edgar Smith)<br> 4. RE: Rig tensions (Dave Nauber)<o:p></o=
:p></p><div><p class=3DMsoNormal><b><span style=3D'font-size:13.5pt;font-fa=
mily:"Helvetica","sans-serif"'>From: </span></b><span style=3D'font-size:13=
.5pt;font-family:"Helvetica","sans-serif"'><<a href=3D"mailto:Comodore2@=
aol.com">Comodore2@aol.com</a>></span><o:p></o:p></p></div><div><p class=
=3DMsoNormal><b><span style=3D'font-size:13.5pt;font-family:"Helvetica","sa=
ns-serif"'>Date: </span></b><span style=3D'font-size:13.5pt;font-family:"He=
lvetica","sans-serif"'>October 1, 2014 8:32:44 AM EDT</span><o:p></o:p></p>=
</div><div><p class=3DMsoNormal><b><span style=3D'font-size:13.5pt;font-fam=
ily:"Helvetica","sans-serif"'>To: </span></b><span style=3D'font-size:13.5p=
t;font-family:"Helvetica","sans-serif"'><<a href=3D"mailto:frers-list@li=
sts.frers33.com">frers-list@lists.frers33.com</a>></span><o:p></o:p></p>=
</div><div><p class=3DMsoNormal><b><span style=3D'font-size:13.5pt;font-fam=
ily:"Helvetica","sans-serif"'>Subject: Re: [frers-list]Rig tensions</span><=
/b><o:p></o:p></p></div><div><p class=3DMsoNormal><b><span style=3D'font-si=
ze:13.5pt;font-family:"Helvetica","sans-serif"'>Reply-To: </span></b><span =
style=3D'font-size:13.5pt;font-family:"Helvetica","sans-serif"'><<a href=
=3D"mailto:frers-list@lists.frers33.com">frers-list@lists.frers33.com</a>&g=
t;</span><o:p></o:p></p></div><p class=3DMsoNormal style=3D'margin-bottom:1=
2.0pt'><o:p> </o:p></p><div id=3D"role_body"><div><p class=3DMsoNormal=
><span style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:bla=
ck'>Mike, Al gauges shown are for wire rigging. Frers 33 has ROD riggi=
ng.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span style=3D'fon=
t-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Jack Greifzu (S=
lingshot)<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span style=
=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o=
:p></o:p></span></p></div><div><div><p class=3DMsoNormal><span style=3D'fon=
t-size:10.0pt;font-family:"Arial","sans-serif";color:black'>In a message da=
ted 9/30/2014 9:41:12 A.M. Eastern Daylight Time, <a href=3D"mailto:Mike.Ho=
yt@impgroup.com">Mike.Hoyt@impgroup.com</a> writes:<o:p></o:p></span></p></=
div><blockquote style=3D'border:none;border-left:solid blue 1.5pt;padding:0=
in 0in 0in 4.0pt;margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt'><=
div><p class=3DMsoNormal style=3D'mso-margin-top-alt:auto;mso-margin-bottom=
-alt:auto'><span style=3D'color:#1F497D'>Hi<o:p></o:p></span></p><p class=
=3DMsoNormal style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><=
span lang=3DEN-CA style=3D'color:#1F497D'> </span><span style=3D'color=
:#1F497D'><o:p></o:p></span></p><p class=3DMsoNormal style=3D'mso-margin-to=
p-alt:auto;mso-margin-bottom-alt:auto'><span lang=3DEN-CA style=3D'color:#1=
F497D'>I noticed on the tuning guide the numbers reported were the gauge re=
adings rather than the translated numbers in pounds. I have also note=
d that Loos makes several models of these tension gauges and each would lik=
ely give a different number.</span><span style=3D'color:#1F497D'><o:p></o:p=
></span></p><p class=3DMsoNormal style=3D'mso-margin-top-alt:auto;mso-margi=
n-bottom-alt:auto'><span lang=3DEN-CA style=3D'color:#1F497D'> </span>=
<span style=3D'color:#1F497D'><o:p></o:p></span></p><p class=3DMsoNormal st=
yle=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=3DEN-=
CA style=3D'color:#1F497D'>Would it be possible to replay with not only the=
numbers you use for uppers, lowers, intermediates and forestay as the tens=
ion 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 g=
uide was ion pounds ….</span><span style=3D'color:#1F497D'><o:p></o:p=
></span></p><p class=3DMsoNormal style=3D'mso-margin-top-alt:auto;mso-margi=
n-bottom-alt:auto'><span lang=3DEN-CA style=3D'color:#1F497D'> </span>=
<span style=3D'color:#1F497D'><o:p></o:p></span></p><p class=3DMsoNormal st=
yle=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=3DEN-=
CA style=3D'color:#1F497D'>Thanks </span><span style=3D'color:#1F497D=
'><o:p></o:p></span></p><p class=3DMsoNormal style=3D'mso-margin-top-alt:au=
to;mso-margin-bottom-alt:auto'><span lang=3DEN-CA style=3D'color:#1F497D'>&=
nbsp;</span><span style=3D'color:#1F497D'><o:p></o:p></span></p><p class=3D=
MsoNormal style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><spa=
n lang=3DEN-CA style=3D'color:#1F497D'>Mike</span><span style=3D'color:#1F4=
97D'><o:p></o:p></span></p></div></blockquote></div></div><p class=3DMsoNor=
mal style=3D'margin-bottom:12.0pt'><br><br><o:p></o:p></p><div><p class=3DM=
soNormal><b><span style=3D'font-size:13.5pt;font-family:"Helvetica","sans-s=
erif"'>From: </span></b><span style=3D'font-size:13.5pt;font-family:"Helvet=
ica","sans-serif"'>straight <<a href=3D"mailto:StrightR@eastlink.ca">Str=
ightR@eastlink.ca</a>></span><o:p></o:p></p></div><div><p class=3DMsoNor=
mal><b><span style=3D'font-size:13.5pt;font-family:"Helvetica","sans-serif"=
'>Date: </span></b><span style=3D'font-size:13.5pt;font-family:"Helvetica",=
"sans-serif"'>October 1, 2014 8:57:12 AM EDT</span><o:p></o:p></p></div><di=
v><p class=3DMsoNormal><b><span style=3D'font-size:13.5pt;font-family:"Helv=
etica","sans-serif"'>To: </span></b><span style=3D'font-size:13.5pt;font-fa=
mily:"Helvetica","sans-serif"'><<a href=3D"mailto:frers-list@lists.frers=
33.com">frers-list@lists.frers33.com</a>></span><o:p></o:p></p></div><di=
v><p class=3DMsoNormal><b><span style=3D'font-size:13.5pt;font-family:"Helv=
etica","sans-serif"'>Subject: [frers-list]Rig Tension</span></b><o:p></o:p>=
</p></div><div><p class=3DMsoNormal><b><span style=3D'font-size:13.5pt;font=
-family:"Helvetica","sans-serif"'>Reply-To: </span></b><span style=3D'font-=
size:13.5pt;font-family:"Helvetica","sans-serif"'><<a href=3D"mailto:fre=
rs-list@lists.frers33.com">frers-list@lists.frers33.com</a>></span><o:p>=
</o:p></p></div><p class=3DMsoNormal><br><br><br><o:p></o:p></p><div><p cla=
ss=3DMsoNormal><span lang=3DEN-CA>Hi Mike,</span><span lang=3DEN-CA style=
=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span>=
</p><p class=3DMsoNormal><span lang=3DEN-CA> <o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-CA>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 r=
eflection of the type of sailing done, competition and local conditio=
ns. Info on the gauge used is available at <a href=3D"http://lo=
osnaples.com/tension-gauges/rod-rigging-gauge">http://loosnaples.com/tensio=
n-gauges/rod-rigging-gauge</a>.<o:p></o:p></span></p><p class=3DMsoNormal><=
span lang=3DEN-CA> <o:p></o:p></span></p><p class=3DMsoNormal><span la=
ng=3DEN-CA>I believe all Loos Gauges made for rod rigging will give the sam=
e readings if they are used properly.<o:p></o:p></span></p><p class=3DMsoNo=
rmal><span lang=3DEN-CA> <o:p></o:p></span></p><p class=3DMsoNormal><s=
pan lang=3DEN-CA>Rod<o:p></o:p></span></p><p class=3DMsoNormal><span lang=
=3DEN-CA>Equinox <o:p></o:p></span></p></div><p class=3DMsoNormal style=3D'=
margin-bottom:12.0pt'><br><br><o:p></o:p></p><div><p class=3DMsoNormal><b><=
span style=3D'font-size:13.5pt;font-family:"Helvetica","sans-serif"'>From: =
</span></b><span style=3D'font-size:13.5pt;font-family:"Helvetica","sans-se=
rif"'>Edgar Smith <<a href=3D"mailto:edgar@geomatrixproductions.com">edg=
ar@geomatrixproductions.com</a>></span><o:p></o:p></p></div><div><p clas=
s=3DMsoNormal><b><span style=3D'font-size:13.5pt;font-family:"Helvetica","s=
ans-serif"'>Date: </span></b><span style=3D'font-size:13.5pt;font-family:"H=
elvetica","sans-serif"'>October 1, 2014 11:04:25 AM EDT</span><o:p></o:p></=
p></div><div><p class=3DMsoNormal><b><span style=3D'font-size:13.5pt;font-f=
amily:"Helvetica","sans-serif"'>To: </span></b><span style=3D'font-size:13.=
5pt;font-family:"Helvetica","sans-serif"'><<a href=3D"mailto:frers-list@=
lists.frers33.com">frers-list@lists.frers33.com</a>></span><o:p></o:p></=
p></div><div><p class=3DMsoNormal><b><span style=3D'font-size:13.5pt;font-f=
amily:"Helvetica","sans-serif"'>Subject: [frers-list]Rig tensions</span></b=
><o:p></o:p></p></div><div><p class=3DMsoNormal><b><span style=3D'font-size=
:13.5pt;font-family:"Helvetica","sans-serif"'>Reply-To: </span></b><span st=
yle=3D'font-size:13.5pt;font-family:"Helvetica","sans-serif"'><<a href=
=3D"mailto:frers-list@lists.frers33.com">frers-list@lists.frers33.com</a>&g=
t;</span><o:p></o:p></p></div><p class=3DMsoNormal style=3D'margin-bottom:1=
2.0pt'><o:p> </o:p></p><div><p class=3DMsoNormal>Hi Mike:<o:p></o:p></=
p><div><p class=3DMsoNormal><o:p> </o:p></p></div><div><p class=3DMsoN=
ormal>Sounds like you'll be racing your boat, always good to hear. I also c=
ame 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 cen=
tered the mast before blocking. Then the shrouds were just a matter of sigh=
ting 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 t=
han the uppers. The goal is tight enough that the leeward upper does n=
ot 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 f=
ew 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 k=
eep it straight under load. I sight with mast straight - minimal backstay a=
nd 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. Finall=
y if the breeze is really on we might take two turns on the headstay and on=
e extra turn on the uppers before a race. <o:p></o:p></p></div><div><p=
class=3DMsoNormal><o:p> </o:p></p></div><div><p class=3DMsoNormal>Doe=
s anybody take a more scientific approach than we do?<o:p></o:p></p></div><=
div><p class=3DMsoNormal><o:p> </o:p></p></div><div><p class=3DMsoNorm=
al><o:p> </o:p></p><div><p class=3DMsoNormal><span class=3Dapple-style=
-span><span style=3D'font-size:13.5pt;font-family:"Verdana","sans-serif"'>E=
dgar Smith</span></span><o:p></o:p></p></div><div><p class=3DMsoNormal><spa=
n class=3Dapple-style-span><span style=3D'font-size:13.5pt;font-family:"Ver=
dana","sans-serif"'>Pachyderm</span></span><span style=3D'font-size:13.5pt;=
font-family:"Verdana","sans-serif"'><br><br></span><o:p></o:p></p></div></d=
iv></div><p class=3DMsoNormal style=3D'margin-bottom:12.0pt'><br><br><o:p><=
/o:p></p><div><p class=3DMsoNormal><b><span style=3D'font-size:13.5pt;font-=
family:"Helvetica","sans-serif"'>From: </span></b><span style=3D'font-size:=
13.5pt;font-family:"Helvetica","sans-serif"'>Dave Nauber <<a href=3D"mai=
lto:dnauber@classeaudio.com">dnauber@classeaudio.com</a>></span><o:p></o=
:p></p></div><div><p class=3DMsoNormal><b><span style=3D'font-size:13.5pt;f=
ont-family:"Helvetica","sans-serif"'>Date: </span></b><span style=3D'font-s=
ize:13.5pt;font-family:"Helvetica","sans-serif"'>October 1, 2014 11:14:07 A=
M EDT</span><o:p></o:p></p></div><div><p class=3DMsoNormal><b><span style=
=3D'font-size:13.5pt;font-family:"Helvetica","sans-serif"'>To: </span></b><=
span style=3D'font-size:13.5pt;font-family:"Helvetica","sans-serif"'><<a=
href=3D"mailto:frers-list@lists.frers33.com">frers-list@lists.frers33.com<=
/a>></span><o:p></o:p></p></div><div><p class=3DMsoNormal><b><span style=
=3D'font-size:13.5pt;font-family:"Helvetica","sans-serif"'>Subject: RE: [fr=
ers-list]Rig tensions</span></b><o:p></o:p></p></div><div><p class=3DMsoNor=
mal><b><span style=3D'font-size:13.5pt;font-family:"Helvetica","sans-serif"=
'>Reply-To: </span></b><span style=3D'font-size:13.5pt;font-family:"Helveti=
ca","sans-serif"'><<a href=3D"mailto:frers-list@lists.frers33.com">frers=
-list@lists.frers33.com</a>></span><o:p></o:p></p></div><p class=3DMsoNo=
rmal><br><br><br><o:p></o:p></p><div><p class=3DMsoNormal><span style=3D'fo=
nt-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Wolverine =
uses Euler’s Equations to compute rig tension, but sighting up the ma=
st is good too. </span><o:p></o:p></p><p class=3DMsoNormal><span style=3D'f=
ont-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </s=
pan><o:p></o:p></p><div><p class=3DMsoNormal 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";color:gray'><br></span><span style=3D'font-size:10.0pt=
;font-family:"Verdana","sans-serif";color:gray'>President<br>Class=E9</span=
><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";color:gr=
ay'><br></span><span style=3D'font-size:7.5pt;font-family:"Tahoma","sans-se=
rif";color:gray'><br></span><span style=3D'font-size:10.0pt;font-family:"Ve=
rdana","sans-serif";color:gray'>C: 860-301-7011 | classeaudio.com<br>B&=
W Group Canada | 5070 Fran=E7ois Cusson | Lachine | QC | H8T 1B3</span><o:p=
></o:p></p><p class=3DMsoNormal style=3D'margin-bottom:12.0pt'><span style=
=3D'font-size:9.0pt;font-family:"Verdana","sans-serif";color:#6E6F71'>Follo=
w Bowers & Wilkins on: facebook.com/bowerswilkins | twitter.com/bowers_=
wilkins | youtube.com/bowerswilkins</span><span style=3D'font-size:7.5pt;fo=
nt-family:"Verdana","sans-serif";color:gray'><br><br>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-ma=
il and web-sites) is expressly forbidden without prior written consent. B&a=
mp;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 not necessarily constitute or imply its endorsement=
or recommendation by B&W Group Ltd. </span><o:p></o:p></p></div><p cla=
ss=3DMsoNormal><span style=3D'font-size:11.0pt;font-family:"Calibri","sans-=
serif";color:#1F497D'> </span><o:p></o:p></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-ser=
if"'>From:</span></b><span style=3D'font-size:10.0pt;font-family:"Tahoma","=
sans-serif"'> <a href=3D"mailto:frers-list-admin@lists.frers33.com">frers-l=
ist-admin@lists.frers33.com</a> [<a href=3D"mailto:frers-list-admin@lists.f=
rers33.com">mailto:frers-list-admin@lists.frers33.com</a>] <b>On Behalf Of =
</b>Edgar Smith<br><b>Sent:</b> Wednesday, October 01, 2014 11:04 AM<br><b>=
To:</b> <a href=3D"mailto:frers-list@lists.frers33.com">frers-list@lists.fr=
ers33.com</a><br><b>Subject:</b> [frers-list]Rig tensions</span><o:p></o:p>=
</p></div></div><p class=3DMsoNormal> <o:p></o:p></p><p class=3DMsoNor=
mal>Hi Mike:<o:p></o:p></p><div><p class=3DMsoNormal> <o:p></o:p></p><=
/div><div><p class=3DMsoNormal>Sounds like you'll be racing your boat, alwa=
ys good to hear. I also came from a J-boat and I think you'll find the Frer=
s 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 w=
ere just a matter of sighting up the mast while under sail. First we tensio=
n the uppers a few turns with a wrench after hand tight. Then I work d=
own, keeping the mast in column at the dock keeping the intermediates and l=
owers 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 swe=
pt back by more than an few inches, you are not controlling fore and aft ma=
st bend with them. So it's really just a matter of going for a sail and mak=
ing some adjustments to keep it straight under load. I sight with mast stra=
ight - 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 tur=
ns on the headstay and one extra turn on the uppers before a race. <o:=
p></o:p></p></div><div><p class=3DMsoNormal> <o:p></o:p></p></div><div=
><p class=3DMsoNormal>Does anybody take a more scientific approach than we =
do?<o:p></o:p></p></div><div><p class=3DMsoNormal> <o:p></o:p></p></di=
v><div><p class=3DMsoNormal> <o:p></o:p></p><div><p class=3DMsoNormal>=
<span class=3Dapple-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=3DMsoNormal><span class=3Dapple-style-span><span style=
=3D'font-size:13.5pt;font-family:"Verdana","sans-serif";color:black'>Pachyd=
erm</span></span><span style=3D'font-size:13.5pt;font-family:"Verdana","san=
s-serif";color:black'><br><br><br></span><o:p></o:p></p></div></div></div><=
p class=3DMsoNormal style=3D'margin-bottom:12.0pt'><br><br>________________=
_______________________________<br>frers-list mailing list<br><a href=3D"ma=
ilto:frers-list@lists.frers33.com">frers-list@lists.frers33.com</a><br><a h=
ref=3D"http://lists.frers33.com/mailman/listinfo/frers-list">http://lists.f=
rers33.com/mailman/listinfo/frers-list</a><o:p></o:p></p></div><p class=3DM=
soNormal><o:p> </o:p></p></div></div></div></body></html>=
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