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Two things determine how a spring behaves; the spring rate and the free le=
ngth.=C2=A0 When swapping in a longer and stiffer spring will give you more=
movement initially and less change as the speed increases.
So, yes, a longer spring will give you more initial advance at idle but max=
advance would be achieved at a higher speed.
But the answer is: It depends.=C2=A0 How do the two springs compare in both=
length and spring rate.
=20
Dave=20
=20
=20
-----Original Message-----
From: David P <frogeye@porterscustom.com>
To: triumphs <triumphs@autox.team.net>
Sent: Mon, Mar 2, 2020 4:11 pm
Subject: Re: [TR] distributor advance
ah, wouldn't the longer spring cause the weights to be moved outward...giv=
ing too much initial...
On 3/2/2020 2:06 PM, Randall wrote:
=20
=20
Actually there is a reasonable explanation.
The heavier springs are also longer than the old ones, so the tension as i=
nstalled is lower.
=20
-- Randall
=20
On 2 March 2020 14:45:07 GMT-06:00, Paul Tegler <ptegler@verizon.net> wrot=
e:=20
Having studied this over and over again, even have gone as far as redesign=
ing the whole timing system (during a F.I and full wasted spark conversion)=
=C3=AF=C2=BF=C2=BD ... and with simple physics behind me I can comfortably =
say your empirical data has to be flawed....no nice way to say it. simple p=
hysics.... a tighter (stronger) spring will not extend as far as a lighter =
spring under the same weight applied.=20
Either you jostled something in the initial setup/study, or your post spr=
ing work setup shifted something, throwing one of the two data sets out as =
a valid data reference. Either way,,,,this is possibly a mute point if it i=
s now all working for you as expected.=C3=AF=C2=BF=C2=BD :-) ptegler
=20
On 3/2/2020 2:15 PM, Peter Arakelian wrote:
=20
=20
#yiv9183878647 #yiv9183878647 -- _filtered {} _filtered {} #yiv9183878647 #=
yiv9183878647 p.yiv9183878647MsoNormal, #yiv9183878647 li.yiv9183878647MsoN=
ormal, #yiv9183878647 div.yiv9183878647MsoNormal {margin:0in;margin-bottom:=
.0001pt;font-size:11.0pt;font-family:sans-serif;} #yiv9183878647 a:link, #y=
iv9183878647 span.yiv9183878647MsoHyperlink {color:blue;text-decoration:und=
erline;} #yiv9183878647 MsoChpDefault {} _filtered {} #yiv9183878647 div.yi=
v9183878647WordSection1 {} #yiv9183878647 >> A stiffer spring would have n=
ot allowed the weights to swing out as far=20
at lower rpms. It would NOT ADD idle advance over the original=20
settings.<< =C3=AF=C2=BF=C2=BD I admit that I believed the stronger sprin=
gs would reduce centripetal advance at idle .=C3=AF=C2=BF=C2=BD But the emp=
irical evidence shows otherwise.=C3=AF=C2=BF=C2=BD When I put the stiffer =
springs in the timing at idle ADVANCED 10-15 degrees.=C3=AF=C2=BF=C2=BD It =
is very stable. =C3=AF=C2=BF=C2=BD Sent from Mail for Windows 10 =C3=AF=
=C2=BF=C2=BD --=20
Paul Tegler
ptegler@verizon.net www.teglerizer.com=20
=20
** triumphs@autox.team.net **Donate: http://www.team.net/donate.htmlArchive=
: http://www.team.net/pipermail/triumphs http://www.team.net/archiveUnsubsc=
ribe/Manage: http://autox.team.net/mailman/options/triumphs/frogeye@porters=
custom.com --=20
Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My Wo=
rld go here: WWW.PORTERBIKES.COM/ ** triumphs@autox.team.net **
Archive: http://www.team.net/pipermail/triumphs http://www.team.net/archiv=
e
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<div style=3D"color:black;font: 12pt Arial, Helvetica, sans-serif;">
<div> <font size=3D"3">Two things determine how a spring behaves; the sprin=
g rate and the free length. When swapping in a longer and stiffer spr=
ing will give you more movement initially and less change as the speed incr=
eases.</font></div>
<div><font size=3D"3"><br>
</font></div>
<div><font size=3D"3">So, yes, a longer spring will give you more initial a=
dvance at idle but max advance would be achieved at a higher speed.</font><=
/div>
<div><font size=3D"3"><br>
</font></div>
<div><font size=3D"3">But the answer is: It depends. How do the two s=
prings compare in both length and spring rate.</font><br>
</div>
<div> <br>
</div>
<div style=3D"clear:both"><font size=3D"4">Dave </font><br>
<br>
</div>
<div> <br>
</div>
<div> <br>
</div>
<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black">-----=
Original Message-----<br>
From: David P <frogeye@porterscustom.com><br>
To: triumphs <triumphs@autox.team.net><br>
Sent: Mon, Mar 2, 2020 4:11 pm<br>
Subject: Re: [TR] distributor advance<br>
<br>
<div id=3D"yiv9183878647">
<div>
=20
<div>ah, wouldn't the longer spring cause the weights to be moved
outward...giving too much initial...<br clear=3D"none">
</div>
=20
<div class=3D"yiv9183878647yqt6967547470" id=3D"yiv9183878647yqtfd10121">
<div class=3D"yiv9183878647moz-cite-prefix">On 3/2/2020 2:06 PM, Randall wr=
ote:<br clear=3D"none">
</div>
<blockquote type=3D"cite">
</blockquote></div>
</div>
<div class=3D"yiv9183878647yqt6967547470" id=3D"yiv9183878647yqtfd45147">
<div>
Actually there is a reasonable explanation.<br clear=3D"none">
The heavier springs are also longer than the old ones, so the
tension as installed is lower.<br clear=3D"none">
<br clear=3D"none">
-- Randall<br clear=3D"none">
<br clear=3D"none">
=20
<div class=3D"yiv9183878647gmail_quote">On 2 March 2020 14:45:07 GMT-06:00,=
Paul
Tegler <a rel=3D"noopener noreferrer" shape=3D"rect" class=3D"yiv91=
83878647moz-txt-link-rfc2396E" ymailto=3D"mailto:ptegler@verizon.net"; targe=
t=3D"_blank" removedlink__f4a676d3-2ca7-439d-acef-35922b876b99__href=3D"mai=
lto:ptegler@verizon.net"><ptegler@verizon.net></a> wrote:
<blockquote class=3D"yiv9183878647gmail_quote" style=3D"margin:0pt =
0pt 0pt 0.8ex;border-left:1px solid rgb(204, 204, 204);padding-left:1ex;">
=20
<div>Having studied this over and over again, even have gone as
far as redesigning the whole timing system (during a F.I and
full wasted spark conversion)=C3=AF=C2=BF=C2=BD ... and with si=
mple physics
behind me I can comfortably say your empirical data has to
be flawed....no nice way to say it.</div>
=20
<div>simple physics.... a tighter (stronger) spring will not
extend as far as a lighter spring under the same weight
applied. <br clear=3D"none">
</div>
=20
<div>Either you jostled something in the initial setup/study, or
your post spring work setup shifted something, throwing one
of the two data sets out as a valid data reference.</div>
=20
<div>Either way,,,,this is possibly a mute point if it is now
all working for you as expected.=C3=AF=C2=BF=C2=BD :-)</div>
=20
<div>ptegler<br clear=3D"none">
</div>
=20
<div><br clear=3D"none">
</div>
=20
<div>On 3/2/2020 2:15 PM, Peter Arakelian wrote:<br clear=3D"none">
</div>
<blockquote type=3D"cite">
</blockquote></blockquote></div>
</div>
<style>#yiv9183878647 #yiv9183878647 -- _filtered {} _filtered {} #yiv9=
183878647 #yiv9183878647 p.yiv9183878647MsoNormal, #yiv9183878647 li.yiv9=
183878647MsoNormal, #yiv9183878647 div.yiv9183878647MsoNormal {margin:0in;=
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647 a:link, #yiv9183878647 span.yiv9183878647MsoHyperlink {color:blue;text=
-decoration:underline;} #yiv9183878647 MsoChpDefault {} _filtered {} #yiv=
9183878647 div.yiv9183878647WordSection1 {} #yiv9183878647 </style></div>
<div>
<div class=3D"yiv9183878647yqt6967547470" id=3D"yiv9183878647yqtfd61372">
<div class=3D"yiv9183878647WordSection1">
=20
<div class=3D"yiv9183878647MsoNormal">>> A stiffer spring would have
not allowed the weights to swing out as far <br clear=3D"no=
ne">
at lower rpms. It would NOT ADD idle advance over the
original <br clear=3D"none">
settings.<<</div>
=20
<div class=3D"yiv9183878647MsoNormal"> =C3=AF=C2=BF=C2=BD</div>
=20
=20
<div class=3D"yiv9183878647MsoNormal">I admit that I believed the stronger
springs would reduce centripetal advance at idle .=C3=AF=C2=
=BF=C2=BD
But the empirical evidence shows otherwise.=C3=AF=C2=BF=C2=
=BD When I
put the </div>
=20
<div class=3D"yiv9183878647MsoNormal">stiffer springs in the timing at idle
ADVANCED 10-15 degrees.=C3=AF=C2=BF=C2=BD It is very stable=
. </div>
=20
<div class=3D"yiv9183878647MsoNormal"> =C3=AF=C2=BF=C2=BD</div>
=20
=20
<div class=3D"yiv9183878647MsoNormal">Sent from <a rel=3D"noopener noreferr=
er" shape=3D"rect" target=3D"_blank" removedlink__f4a676d3-2ca7-439d-acef-3=
5922b876b99__href=3D"https://go.microsoft.com/fwlink/?LinkId=3D550986";> Mai=
l</a> for Windows 10</div>
=20
<div class=3D"yiv9183878647MsoNormal"> =C3=AF=C2=BF=C2=BD</div>
=20
</div>
=20
<pre class=3D"yiv9183878647moz-signature">--=20
Paul Tegler
<a rel=3D"noopener noreferrer" shape=3D"rect" class=3D"yiv9183878647moz-txt=
-link-abbreviated" ymailto=3D"mailto:ptegler@verizon.net"; target=3D"_blank"=
removedlink__f4a676d3-2ca7-439d-acef-35922b876b99__href=3D"mailto:ptegler@=
verizon.net">ptegler@verizon.net</a> <a rel=3D"noopener noreferrer" shape=
=3D"rect" class=3D"yiv9183878647moz-txt-link-abbreviated" target=3D"_blank"=
removedlink__f4a676d3-2ca7-439d-acef-35922b876b99__href=3D"http://www.tegl=
erizer.com">www.teglerizer.com</a></pre>
=20
=20
<br clear=3D"none">
<fieldset class=3D"yiv9183878647mimeAttachmentHeader"></fieldset>
</div>
<pre class=3D"yiv9183878647moz-quote-pre">
<div class=3D"yiv9183878647yqt6967547470" id=3D"yiv9183878647yqtfd37815">**=
<a rel=3D"noopener noreferrer" shape=3D"rect" class=3D"yiv9183878647moz-tx=
t-link-abbreviated" ymailto=3D"mailto:triumphs@autox.team.net"; target=3D"_b=
lank" removedlink__f4a676d3-2ca7-439d-acef-35922b876b99__href=3D"mailto:tri=
umphs@autox.team.net">triumphs@autox.team.net</a> **
7moz-txt-link-freetext" target=3D"_blank" removedlink__f4a676d3-2ca7-439d-a=
cef-35922b876b99__href=3D"http://www.team.net/donate.html";>http://www.team.=
net/donate.html</a>
Archive: <a rel=3D"noopener noreferrer" shape=3D"rect" class=3D"yiv91838786=
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acef-35922b876b99__href=3D"http://www.team.net/pipermail/triumphs";>http://w=
ww.team.net/pipermail/triumphs</a> <a rel=3D"noopener noreferrer" shape=3D=
"rect" class=3D"yiv9183878647moz-txt-link-freetext" target=3D"_blank" remov=
edlink__f4a676d3-2ca7-439d-acef-35922b876b99__href=3D"http://www.team.net/a=
rchive">http://www.team.net/archive</a>
<a rel=3D"noopener noreferrer" shape=3D"rect" class=3D"yiv9183878647moz-txt=
-link-freetext" target=3D"_blank" removedlink__f4a676d3-2ca7-439d-acef-3592=
2b876b99__href=3D"http://autox.team.net/mailman/options/triumphs/frogeye@po=
rterscustom.com">http://autox.team.net/mailman/options/triumphs/frogeye@por=
terscustom.com</a>
</pre>
=20
<pre class=3D"yiv9183878647moz-signature">--=20
Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My Wo=
rld go here: <a rel=3D"noopener noreferrer" shape=3D"rect" class=3D"yiv9183=
878647moz-txt-link-abbreviated" target=3D"_blank" removedlink__f4a676d3-2ca=
7-439d-acef-35922b876b99__href=3D"http://WWW.PORTERBIKES.COM/";>WWW.PORTERBI=
KES.COM/</a></pre>
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</div>
</div>
</div>
<div class=3D"yqt6967547470" id=3D"yqtfd29308">** <a shape=3D"rect" ymailto=
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