How about specs for a spring *inside* the tensioner bore?
- Bob Mann, '69 2000 Solex, no evil-L chatter "yet"
Gary McCormick wrote:
>
> A carefully selected spring of the correct load rating and length would
>extend the
> tensioner foot enough to keep the chain off of the bracket w/o interfering
>with the
> tensioner's operation once full pressure has built up. The spring would have
>to be strong
> enough to extend the tensioner against the chain and keep the chain off of
>the bracket
> with no assist from oil pressure, but impose less force than the tensioner
>foot usually
> imposes against the chain with oil pressure behind it; ideally the length of
>the spring
> would be such that it doesn't extend the tensioner foot /quite/ as far as is
>normal under
> engine oil pressure.
>
> Gary McCormick
> San Jose, CA
>
> Gordon Glasgow wrote:
>
> > The problem with using a spring is that will apply constant pressure to the
> > tensioner foot in addition to the oil pressure. The washers simply prevent
>the
> > foot from retracting far enough to allow contact between the chain and the
> > bracket.
> >
> > Gordon Glasgow
> > Renton, WA
> >
> > -----Original Message-----
> > From: owner-datsun-roadsters@autox.team.net
> > [mailto:owner-datsun-roadsters@autox.team.net]On Behalf Of John Schmitt
> > Sent: Monday, July 16, 2001 6:32 AM
> > To: datsun-roadsters@autox.team.net
> > Subject: 2L Chain Tensioner
> >
> > I have noticed of late that when I start the 2L after sitting for a day or
> > more I do get the evil L rub noise until pressure is up. Usually only a
> > second but enough to cause worry. I saw the use of washers to hold the
> > tensioner out during oil drain and it looks good but I was thinking about
> > the use of a spring for that. Has anyone tried a stiff spring, slightly
> > larger than the outside diameter of the tensioner shaft, to hold the chain
> > taut ? That surely must be easy to find and not too difficult to install
> > and might be better than the washers used in the example shown a few weeks
> > ago.
> >
> > John Schmitt Telecommuter External # - 847-458-7829
> > pager 800-759-8888 pin# 8710561
--
R.W. Mann & Company, Inc. > Airline Industry Analysis and Consulting
Port Washington, NY 11050 > tel 516-944-0900, fax 516-944-7280
mailto:info@RWMann.com > URL http://www.RWMann.com/
|