Talking with Fred Larson one day and he commented the best part of the whole
design is there is no flat panels , let's the air flow without turblance, makes
sense.
Glen
Jim Dincau wrote:
> Wes,
> Although I had 34 good years at Lockheed, tool and die maker, tool designer,
> numerical control programmer, draftsman, loftsman, and computer geek, I am
> not an engineer. Titanium's sensitivity to chlorine is dependant on the
> alloy and the environment. Exhaust valves would be sensitive, spring
> retainers wouldn't and so on. Fred Larsen is one of my heroes. He once asked
> us why we brought all those spare parts and tools to the salt (we
> traditionally bring everything in the garage that will fit in the trailer).
> All he had was the flatbed trailer with the liner an alternate engine in the
> back of the El Camino and the tools to change it. "You guys are supposed to
> do all that tune up stuff before you get here", was his comment.
> Jim in Palmdale, in the sunshine but cold, well cold for a desert rat
> anyway.
>
> ----- Original Message -----
> From: Wester S Potter <wspotter@jps.net>
> To: Jim Dincau <jdincau@qnet.com>
> Cc: land-speed list <land-speed@autox.team.net>
> Sent: Thursday, February 17, 2000 8:18 AM
> Subject: Re: Titanium-Brake clean
>
> > Jim, List,
> > You know, I feel a lot like the comment Fred Larsen made when he was
> talking
> > about the body on his #115 streamliner. He said;
> > "We were sitting around the kitchen table, having a cup of coffee and
> > talking, and I asked Lynn Yeakle (who I knew worked at Lockheed) if he
> knew
> > anyone up there who knew anything about aerodynamic design. He hemmed and
> > hawed a bit and finally admitted that he had graduated from college with a
> > degree in aerodynamics. I was sitting there in my own kitchen with a
> > *#!@"*& genius and didn't even know it!"
> > Lynn, as many of you know, then designed the body on the #115 car ...
> > perhaps the most underrated piece of aerodynamic design on the salt.
> > These snippets of information along with the broad range of technical know
> > how that come out on this list are fascinating and for me, as well as I am
> > sure for many of you, welcome information / trivia / solid engineering to
> > just hear.
> > Thanks!
> > Wes
> > ----------
> > > From: "Jim Dincau" <jdincau@qnet.com>
> > > To: "Higginbotham Land Speed Racing"
> > <saltrat@pro-blend.com>,<land-speed@autox.team.net>
> > > Subject: Re: Re: Titanium-Brake clean
> > > Date: Wed, 16 Feb 2000 21:50:35 -0800
> > >
> > >Hi all,
> > >Lockheed had trouble with titanium parts for the SR-71 becoming
> > contaminated
> > >by chlorinated water being used to rinse parts. The chlorine gets into
> the
> > >metallic crystal lattice and causes stress fractures when exposed to
> > thermal
> > >cycling.
> > >Jim in Palmdale
> > >
> > >
> > >----- Original Message -----
> > >From: Higginbotham Land Speed Racing <saltrat@pro-blend.com>
> > >To: <land-speed@autox.team.net>
> > >Sent: Wednesday, February 16, 2000 6:16 PM
> > >Subject: Fwd: Re: Titanium-Brake clean
> > >
> > >
> > >> >Date: Wed, 16 Feb 2000 18:15:15 -0800
> > >> >To: Dick J <lsr_man@yahoo.com>
> > >> >From: Higginbotham Land Speed Racing <saltrat@pro-blend.com>
> > >> >Subject: Re: Titanium-Brake clean
> > >> >
> > >> >Close! Here's another one!
> > >> >Chlorinated solvent and water makes hydrochloric acid under the right
> > >> >temperature conditions. Not good for anything that is corrosion
> > >susceptible.
> > >> >Especially aircraft hydraulic systems. Which sometimes have Titanium
> in
> > >them.
> > >> >Skip Higginbotham ( 80 today)
> > >> >
> > >> >At 11:21 AM 2/16/00 , you wrote:
> > >> >>
> > >> >>
> > >> >>--- DOUG ODOM <popms@thegrid.net> wrote:
> > >> >>> List, I just came across this.
> > >> >>> "Do not use chlorinated solvents such as
> > >> >>> "Brake Parts Cleaner" around
> > >> >>> or on any titanium components (valves,
> > >> >>> retainers, etc.)"
> > >> >>> Does anybody know the reason for this or what
> > >> >>> is the problem.
> > >> >>
> > >> >>
> > >> >>I'll take a SWAG (scientific wild ass guess) at
> > >> >>this. The titaniaum brake systems are composed
> > >> >>of several pieces, some of which will probably be
> > >> >>more common steel. The chlorinated liquid
> > >> >>solvent could react between the steel parts,
> > >> >>which act as a cathode, and the titanium part,
> > >> >>which act as an anode, and you end up with a
> > >> >>primitive chemical battery. The solvent changes
> > >> >>it's chemical characteristics from straight
> > >> >>chlorine to any number or chorides (salts) and at
> > >> >>the same time changes the chemical composition of
> > >> >>the steel and titanium, probably making them more
> > >> >>brittle, if not actualy disolving them after long
> > >> >>periods of time. Not good for brakes. How
> > >> >>'bout one of you rocket scientists grading my
> > >> >>paper and if it's right, I want to print it and
> > >> >>take it home to my high school daughter! hee hee hee.
> > >> >>
> > >> >>=====
> > >> >>.............................
> > >> >>..........Dick J.............
> > >> >>......(In East Texas)........
> > >> >>....FX/GMR SC/P250-2........
> > >> >>.....Shelby 427 Cobra.......
> > >> >>.Hemis and Flatheads Forever.
> > >> >>.............................
> > >> >>Do You Yahoo!?
> > >>
> > >
> > >
> >
> >
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