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Re: engine rebuild stuff

To: Rick Morrison <gofastmg@juno.com>
Subject: Re: engine rebuild stuff
From: neil.cairns@virgin.net
Date: Tue, 08 Sep 1998 10:45:33 -0700
Trevor sent me a PRIVATE email, and like a plonker I accidentally put in
onto the list. I was wrong to do it. He is entitled to his opinions, it
would be a boring world if we all agreed.

Neil.

Rick Morrison wrote:
> 
> Hey Neil,
>  Don't let Trevor get to you.
>  He has a tendency to spout semi-scientific dribble as valid opinions. In
> most cases, though, it is contridicted by experience of people who
> actually work with whatever is being discussed ( and debated)
>  I once remember a thread on the relative merits of induction vs exhaust
> modifications as to which gave the "biggest bang for the buck" The
> statement was made at some point that the intake and exhaust systems must
> be considered together, when undertaking any type of tuning.
>  Needless to say, Ol' Trev jumped in trying to prove that one had no
> effect on the other. Just because every engine builder in the world knows
> and has experience that differs was of no matter.
> 
>  Like the man said "Don't sweat the small fry"
> 
> Rick Morrison
> 72 MGBGT
> 74 Midget
> 
> On Mon, 07 Sep 1998 21:29:24 -0700 neil.cairns@virgin.net writes:
> >Trevor Boicey wrote:
> >>
> >> neil.cairns@virgin.net wrote:
> >> > A) Airlines can have up to 50psi in them
> >>
> >>   I would suspect almost all have 90psi. Most air tools run
> >> at 90psi, and you seldom lower the setting as only spray guns
> >> require a setting other than 90psi. So when you clip on the
> >> blow gun, it's 90psi.
> >
> >The standard air pressure in UK air driven tools is 50 psi. I worked
> >on
> >aircraft for 22 years using it, oddly enough, so I do know what I am
> >talking about. The air-driven tools were of American manufacture by
> >the
> >way.
> >>
> >> > 'Air lines can KILL', as the posters say...and people do not seem
> >to
> >> > realise.
> >>
> >>   Well, obviously any tool can be used stupidly, but your
> >> post seems almost to say "crazy people could use an air
> >> line", which I disagree with. Air lines are extremely useful,
> >> along with welders and grinders and all kinds of tools that
> >> can also be dangerous.
> >
> >The list is read by many people, are you saying we should not put
> >warnings in? Ofcourse air lines are useful, I do not quite get the
> >point
> >you are trying to make. I was advising someone whose engineering
> >knowledge was not as great as most. Airlines can kill, do you find
> >that
> >strange? I quoted to you a recent fatal accident, ( if it can be
> >called
> >an accident.) Air can be forced under the skin at as lower pressures
> >as
> >10psi. Air in an artery entering the heart or brain is often fatal.
> >>
> >> > A) Dissagree....it is an excellent way to check any rod or tube
> >for
> >> > initial straightness, a bent rod or tube will stand out instantly.
> >
> >To check a metal bar or a tube, it is engineering practice to roll it
> >on
> >a surface plate, or a plate-glass sheet. This is a quick way of seeing
> >if it has a bow or bend in it. If you like, you can also put the
> >push-rod into a lathe, in a chuck and a centre, and use a DTI to
> >measure
> >its run out. A bent push rod can be sprung out of its position at high
> >rpm, which could wreck an engine. Are you saying I should not have
> >mentioned this check? If you have a better idea to check them, let us
> >all see it please.
> >>
> >>   Then I guess we're going to go play some snooker son. How does
> >> $5/point sound!
> >
> > I was under the impression the list existed to HELP people, and I try
> >to do just that. If you have a better method of doing things, then say
> >so. We would all like to hear them.
> >
> >Neil.
> >>
> >> --
> >> Trevor Boicey, Ottawa, Canada.
> >> tboicey@brit.ca, ICQ #17432933
> >> http://www.brit.ca/~tboicey/
> >
> 
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