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Re: [TR] distributor advance

To: Michael Porter <mdporter@dfn.com>, Peter Arakelian <PeterAra@msn.com>, "triumphs@autox.team.net" <triumphs@autox.team.net>
Subject: Re: [TR] distributor advance
From: Paul Tegler <ptegler@verizon.net>
Date: Mon, 2 Mar 2020 23:16:23 -0500
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <DM5PR06MB35646DCD45558C7435F6FB12C1E70@DM5PR06MB3564.namprd06.prod.outlook.com> <fd4a7e77-0211-fa13-808f-7751fa733c0f@verizon.net> <7505893d-0f8d-db3e-ff62-329b25ca4733@dfn.com>
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1
now THAT makes more sense...perhaps I missed a previous comment 
regarding the fact that the spring was not the right (same) physical length.

tnx

ptegler

On 3/2/2020 3:59 PM, Michael Porter wrote:
> On 3/2/2020 1:45 PM, Paul Tegler wrote:
>>
>> 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)� ... and with simple physics behind me I can 
>> comfortably say your empirical data has to be flawed....no nice way 
>> to say it.
>>
>> simple physics.... a tighter (stronger) spring will not extend as far 
>> as a lighter spring under the same weight applied.
>>
> Wasn't it Randall who said early on that the main spring, though 
> stiffer, was loose in its connection, which would account for the 
> quick advance off idle?� In the case of the advance/idle retard 
> mechanisms, the object was to get the engine at idle to burn off 
> residual fuel in the exhaust manifold by retarding timing, but there 
> was also a need for getting the advance up quickly since that was 
> essential for off-idle performance, and slack in the spring mounting 
> would accomplish that.� Only when that slack was taken up would the 
> stiffer spring come into play and slow the rate of advance with rpm.
>
>
> Cheers.
>
-- 
Paul Tegler
ptegler@verizon.net  www.teglerizer.com

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