HDTenEightyP/NetNews huggingface dataset:
From: jlangfor@alsvid.une.edu.au (Joseph Langford)
Newsgroups: rec.autos.tech,sci.environment,sci.chem
Subject: Re: Hydrides
Date: 28 Sep 92 07:46:29 GMT
Organization: University of New England - Northern Rivers (Lismore)

From article <JMC.92Sep17133751@SAIL.Stanford.EDU>, by jmc@SAIL.Stanford.EDU (John McCarthy):
> In article <1992Sep17.071134.11839@sinix.UUCP> egn@sinix.UUCP (Hr.Naepflein/PHILOS) writes:
> 
>    In article <1992Sep9.082509.4474@bb1t.monsanto.com>, bjgaed@bb1t.monsanto.com writes...
>    > 
>    >I don't remember the exact numbers, but the metal sponges 
>    >can hold a surprising amount of hydrogen, more than their 
>    >own weight, I believe.
> 
>    Here is table from a book discussing hydrogen storage technology:
> 
>    I tried to translate the names from german to english, but may be
>    they are not fully correct.
> 
> 
>    Fuel                              Storage Capacity    Energie Density
> 				     in weight % H2      kWh/kg       kWh/l
>    magnesium-hydrid                       7               2.33         3.36
>    magnesium-nickel-hydrid                3.16            1.05         2.69
>    iron-titanium-hydrid                   1.75            0.58         3.18
>    liquid hydrogen                      100              33.3          2.36
> 
>    methanol                              12.5             5.6          4.42
>    liquid methan                         25              13.8          5.8
>    ammonia                               17.6             5.14         4.21
>    hydrazin                              12.5             4.6          4.65
>    isooctan (gasoline)                   17.3            12.7          8.76
> 
> 
>    --------------------------------------------------------------------------
>    Emil Naepflein                   _--_|\       Phone: +49 8452 70099
>    Sedelbreite 15        A fan of  /      \      Mail:  egn%philos.uucp@unido
>    W-8069 Geisenfeld               \_.--._/
>    Germany                               v
> 
> I think these tables indicate that to use hydrogen as an automobile
> fuel it will be necessary to solve the problem of handling liquid
> hydrogen.
> --
> John McCarthy, Computer Science Department, Stanford, CA 94305
> *
> He who refuses to do arithmetic is doomed to talk nonsense.

this problem has already been solved. When going through uni I recall 
reading about storing the hydrogen as a hydride (possibly boron). In this 
form a cylinder holds more than hydrogen than in a normal cylinder and 
a can be pieced by a bullet and not explode.
-- 
Joseph Langford  Internet:  jlangfor@loki.une.edu.au   Phone:  +61 66 ????????
    University of New England, Northern Rivers (Lismore) NSW Australia
Newsgroups: rec.autos.tech
From: alanh@wsl.dec.com (Alan Hamilton)
Subject: Re: V-8 Fiero swap
Organization: Western Software Lab
Date: Wed, 30 Sep 92 21:04:22 GMT

>
>
>	I would have liked for the Fiero to have stayed in production
>	long enough to have the High Output (195 hp) Quad-4 in it...
>	how about that as an option?????
>
>
>                                                                   __
>/-----------------------------+---------------+-------------------///-------\  
>|    ___  __   ___  __   __   |               | Multitasking __  ///        |
>|   |    |  | |    |__   __|  |  Unsafe at    | my life      \\\///  Amiga  |
>|   |___ |__| |     __| |__|  |  any speed... | away !!!      \XX/   3000   |
>|-----------------------------+---------------+-----------------------------| 
>|    Eric Elliott            summ50@cse.unl.edu         GEnie: E.ELLIOTT7   |
>\---------------------------------------------------------------------------/
>
>--
> 

There is a company that provides Turbo kits for the 2.5 and the 2.8 V6 as
well as Quad kits for the Fieros. They also have wide range of suspension
parts for the 84-87 Fieros.


IRM Fiero
 - 301-948-3301 800-367-8423
8060 Sessna Ave
Gaithersburg MD 20879

I own two Fieros a 1988 GT and 1985 SE and have bought several things from
them without any problems.

Alan Hamilton

Newsgroups: rec.autos.tech,misc.consumers,rec.autos
From: alan@elroy.Jpl.Nasa.Gov (Alan S. Mazer)
Subject: Camry A/C problem (fixed -- THANKS!)
Organization: Image Analysis Systems Group, JPL
Distribution: na
Date: Fri, 2 Oct 1992 22:11:58 GMT

Several months ago I posted that the A/C in my Camry was flaking out.  The
light would start to blink and the whole system would shut down.  I could
usually restart it again, at least temporarily, by turning off the engine 
and restarting it.  My mechanic had suggested (for lack of idea) that we try
replacing the sensor, controller and compressor one at a time.

I got a lot of replies from the net, all but one saying "Check the belt", but
that didn't help.  The other one (joe@modcomp) suggested water freezing up
and it appears that that might have been the problem.  I finally bit the
bullet and took it into a dealership and they replaced the sensor and
evacuated the system and replaced the drier (as Joe suggested) and it's all
better.  So thanks everyone.  I tried to reply to some of you individually
but some stuff bounced.
-- 
 
-- Alan                        # Mountain Dew and doughnuts...
   ..!ames!elroy!alan          # because breakfast is the most important meal
   alan@elroy.jpl.nasa.gov     # of the day.
From: jfox@hooksett.East.Sun.COM (John Fox - SunExpress IR)
Newsgroups: rec.autos.tech
Subject: Re: Time of the day and Filling up
Date: 5 Oct 1992 16:44:04 GMT
Organization: Sun Microsystems, Inc.
Distribution: world
Reply-To: jfox@hooksett.East.Sun.COM
NNTP-Posting-Host: hooksett.east.sun.com

In article uupcb@chaos.lrk.ar.us, dave.williams@chaos.lrk.ar.us (Dave Williams) writes:
> 
> -> The question is, Does it matter what time of the day you fill up your
> -> gas tank?
> 
>  No.
> 
> 
> -> Dana Sclaar ??) that filling up during the colder times of the day
> -> gets you more gasoline per unit volume you pay for. Seems fairly
> -> obvious, but what kind of difference are we looking at?
> 
>  Enough that NASCAR outlawed chilling fuel at pit stops, but you're
> pumping from an underground tank that's at a pretty constant temperature
> all the time.
>                         


How far underground are tanks generally? Far enough to negate temp chgs?

I read a similar question in some syndicated column, and the columnist
replied that it does make a small difference if you fill up first thing
in the AM. 
If a morning fill up is convenient, I figure why not?


John
Newsgroups: rec.autos.tech
Subject: Why Not More Reverse Flow Cooling?
From: dave.williams@chaos.lrk.ar.us (Dave Williams) 
Date: 1 Oct 92 23:42:00 GMT
Reply-To: dave.williams@chaos.lrk.ar.us (Dave Williams) 
Distribution: world
Organization: The Courts of Chaos * 501-985-0059 * Public Access Usenet


-> With these advantages, why isn't reverse flow cooling used on a wider
-> scale?  I can hardly believe that it is due to "design inertia" since
-> the days of the Model T without a water pump.  Anyone???

 In most old-design engines, it really didn't matter which way the water
circulated.  The shape of the common centrifugal pump made it very
slightly simpler to pump to the cylinders than the heads, particularly
on V engines, and putting the outlets on the heads made it simple to get
to the thermostat.  Remember winter and summer thermostats?

 Chevy had exhaust valve cooling problems in the small block V8  for
decades before they went to the aluminum heads across the board.  When
they did the redesign for the GEN II V8, they took the opportunity to
kill the problem once and for all.  The GEN II has very few parts
interchangeable with earlier models.
                                                                                                                  
From: Frank.Mallory@f417.n109.z1.fidonet.org (Frank Mallory)
Sender: Uucp@blkcat.UUCP
Newsgroups: rec.autos.tech
Subject: Fluid change in Mercedes 300TD transmission
Date: Sat, 26 Sep 1992 14:31:23 -0500

 HF> I have a problem with the automatic transmission on my 1983 Mercedes
 HF> 300TD.  I decided to do a long-overdue transmission fluid and filter
 HF> change.  Not really a difficult job in theory.
 HF> 
 HF> The official Mercedes maintainence manual said to use Dexron IID fluid. 
 HF> 
 HF> I bought and used Dexron II (I still do not know what the IID is). 
 HF> Later, I was looking in the Hayne's manual, and this specifies type F
 HF> fluid.  These are different, and I am concerned.  The transmission has
 HF> since developed lags in its shifting.  I suppose that could due to 
 HF> wrong
 HF> fluid.  However, it also seems rather difficult to get the level 
 HF> exactly
 HF> right even following the instructions carefully.

Type B/Dexron is correct. Type F is to be avoided.

Make sure you check the level with the oil warm and the engine running.
From: borowski@hpspkla.spk.hp.com (Don T. Borowski)
Newsgroups: rec.autos.tech
Subject: Re: Mixing Synthetic & Mineral
Date: 2 Oct 92 15:27:52 GMT
Article-I.D.: hpspkla.43370009
Organization: Hewlett Packard Company, Spokane, Wa.

In rec.autos.tech, fs@cs.tulane.edu (Frank Silbermann) writes:

>My car's manual recommends 5W30 oil,
>but accepts 10W30 or straight 30 weight.
>I'd like to use some Castrol Synthetic,
>but that's listed as 5W50.
>
>If I mixed two quarts of 5W50 Synthetic
>with two quarts of straight 10 weight oil,
>would the mixture be 7.5W30 and suitable for my engine?
>Or would a different mixture be better?

There is no reason why you can use just straight 5W50 synthetic.  Given
its 5W50 rating, it should have viscosity properites equal to or better
then 5W30, 10W30, or staight 30 weight.

Of course, the stuff is more expensive, so this may limit your desire to
do this.


Donald Borowski    WA6OMI    Hewlett-Packard, Spokane Division
"Angels are able to fly because they take themselves so lightly."
                                       -G.K. Chesterton
Newsgroups: rec.autos.tech
From: xh2v@fermi.clas.Virginia.EDU (Xiaojun  Huang)
Subject: Re: Oil Pressure Relief Valve ?
Keywords: oil pressure
Organization: University of Virginia
Date: Fri, 2 Oct 1992 01:39:37 GMT


My 84 civic was working smoothly until yesterday morning.

It had been very cold(about 40 at night) and raining for a couple of days
Yesterday when I started my car I found that it started to give out blue
smoke, a lot of smoke. then I checked up the engine oil and found almost
drained.

I was told that it might be due to the worn out of a rubber piece inside
the cylinder which seperates the oil from the combustion chamber(Gasket).
Does anyone know what are the most probable causes of that?
Are there any simple ways to tell(I mean without going to the mechanics)?

Any help will be greatly appreciated.

-Trent
From: al@qiclab.scn.rain.com (Alan Peterman)
Newsgroups: rec.autos.tech
Subject: Re: Cold = Super braking power??
Date: 30 Sep 92 18:46:32 GMT
Article-I.D.: qiclab.1992Sep30.184632.11981
Distribution: usa
Organization: SCN Research/Qic Laboratories of Tigard, Oregon.

In article <BvD2MM.6In@usenet.ucs.indiana.edu> msingh@silver.ucs.indiana.edu (The Supreme Commander) writes:
>
>Thinking about this more, I came across another interesting little
>tidbit. Whenever I'm at a light with my foot on the brake, the car
>idles roughly. If I take my foot off the brake (Not that I'd be on the
>brake if there was no incline...) the engine idles more smoothly.
>
>I have yet to hear anyone give me a good explanation on that little
>problem.


That's an easy one!  Most brakes are power assisted.  The power assist 
comes from a vacuum booster that runs off engine vacuum.  When you are
idleing and step on the brakes - particularily if you "pump" the pedal - 
the booster tries to tap more vacuum from the idling engine and lets
in more air to the intake system.  This further leans the mixture and
you get rough idle.  In fact if you pump the brake enough you can
kill the engine at idle!

-- 
Alan L. Peterman                                 (503)-684-1984 hm & work
                       al@qiclab.scn.rain.com
It's odd how as I get older, the days are longer, but the years are shorter!
Newsgroups: rec.autos.tech
From: tedebear@leland.Stanford.EDU (Theodore Chen)
Subject: Re: DOHC on a V8 possible?
Organization: DSG, Stanford University, CA 94305, USA
Date: Mon, 28 Sep 92 01:03:08 GMT

In article <9N5oRB4w165w@hale.cts.com> vreality@hale.cts.com (Vreality) writes:
>How about the Lexus SC400. An easy 250 HP from 4 liters (Maybe Ford 
>should take note since their Mustang GT only has 225 HP from 5 liters!).

uh huh, but the 302 has lots of torque everywhere.
peak hp ain't the whole story.
-teddy
From: scol@scottsdale.az.stratus.com (Scott Colbath)
Newsgroups: rec.autos.tech
Subject: Re: Convertible Conversion
Date: 6 Oct 92 20:17:56 GMT

In article <1992Oct6.163334.27996@iscnvx.lmsc.lockheed.com>  
sharen@iscnvx.lmsc.lockheed.com (Sharen A. Rund) writes:
> sk4k+@andrew.cmu.edu (Stephen James Kendrish) writes:
> : 
> :      Does anyone know anything about conversion kits?  I was thinking
> : about converting a late model Trans Am into a convertible.  
> : 
>>> I know several people that did that to their 'older' cars and they turned 
>>> out great - I'll check and get back to you on this

I almost bought a converted T/A. Only one thing bothered me. The top's frame  
was in the way on either side in the rear seating area when the top was down,  
protruding foward from the read deck area. Not good for comfort or appearance.
With the top up, the same rear area was not real appealing to the eye from the  
inside with the framework being exposed and all.

--
**********************************************************
Scott Colbath
Stratus Computer
Phoenix, Az.  (602)852-3106
Internet:scott_colbath@az.stratus.com
**********************************************************
From: awds_ltd@uhura.cc.rochester.edu (ClarkKent)
Newsgroups: rec.autos.tech
Subject: Mustang Cobra Article C/D Oct
Date: 30 Sep 92 14:30:03 GMT
Distribution: na
Organization: University of Rochester - Rochester, New York


 
I noticed something interesting while reading Car and Driver's blurb
on the new Mustang Cobra.  It stated that various engine mods had
bumped up the horsepower (I believe it said 40 over the stock 5.0),
going on to say according to Ford's new power standard, the stock
5.0l engine only outputs 205bhp.  Any thoughts on this?  I doubt this
is the same gross vs. net horsepower thread, comments welcome.
Thanks

Adam Edwards

"my toothbrush is wearing better than my last set of Gatorbacks"
awds_ltd@uhura.cc.rochester.edu
Newsgroups: rec.autos.tech
From: mitu@me.utoronto.ca (Adrian Mitu)
Subject: Inflation pressure for wider tires???
Keywords: tires,pressure
Organization: U of Toronto
Distribution: rec
Date: Wed, 30 Sep 1992 02:26:36 GMT

When swapping the original skinny tires from a car for wider rubbers,
by how much should the pressure go down?

For example: I changed the original 205R75-14 tires on my Olds
Cutlass Supreme and installed 245SR60-14 on the rear and 235SR60-14 on the
front. The original reccomended pressure was 35psi. What should it be now?

Intuitively, I would say: 205*35=245*X  => X=29.3psi for rear
                            and
                          205*35=235*X  => X=30.5psi for the front

Am I correct, or am I over-simplifying the problem???

Adrian


-- 
Adrian Mitu
(mitu@me.utoronto.ca)
Newsgroups: rec.autos.tech
Subject: Re: Time of the day and Filling up
From: dave.williams@chaos.lrk.ar.us (Dave Williams) 
Date: 5 Oct 92 20:36:00 GMT
Reply-To: dave.williams@chaos.lrk.ar.us (Dave Williams) 
Distribution: world
Organization: The Courts of Chaos * 501-985-0059 * Public Access Usenet


-> How far underground are tanks generally? Far enough to negate temp
-> chgs?

 Ones around here seem to be about five feet below ground level.  The
EPA made a bunch of stations dig theirs up recently.


-> If a morning fill up is convenient, I figure why not?

 You have a point.
Newsgroups: rec.autos.tech
Subject: Re: New inexpensive pre-oiler
From: dave.williams@chaos.lrk.ar.us (Dave Williams) 
Date: 5 Oct 92 15:34:00 GMT
Reply-To: dave.williams@chaos.lrk.ar.us (Dave Williams) 
Distribution: world
Organization: The Courts of Chaos * 501-985-0059 * Public Access Usenet


-> Nothing personal Steve, but it bugs me when I hear of folks that want
-> to throw time and money at a non-problem like engine wear at startup.

 I've taken down a lot of engines back when I worked as a mechanic, and
I've never seen anything you could point to and say "startup wear."
You hear a lot of gorp about how your crankshaft will eat your bearings
on a cold start, but if that were true you'd see a shiny spot where that
happened.  I've never seen anything like that.  Cylinders will gradually
become barrel-shaped and oval due to rod thrust, but the bores don't
need much in the way of oiling in the first place.  Cams - well, most of
'em use lifters that are too small and lobes that are too narrow, and
they'll up and die when they damned well please.


-> Take the $60 and get yourself a few cases of motor oil and a box of
-> oil filters.

 I'll take that over all the miracle additives, block heaters, and
pre-oilers.  Of course, it's kinda nasty to jack it up, crawl
underneath, and get oil drooling down your arm - most people would
rather shell out $60 for some widget and not have to do things right.
                                                                                                                      
From: wesf@hpdmd48.boi.hp.com (Wes Fujii)
Date: Tue, 29 Sep 1992 18:47:32 GMT
Subject: Re: engine swapping and etc.
Organization: Hewlett Packard - Boise, ID
Newsgroups: rec.autos.tech

Go find the clutch related stuff first.  If you can find all of the stuff
THEN decide if you want to continue with the project.  Sounds like more
work than it's worth.  Why don't you drop in a V-8 and THM-350 or 400?
That would be a lot easier and pretty durable.

Wes Fujii

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Wes Fujii               *           JAPANESE BUSINESS MOTTO           *
* Boise, Idaho            *        You can buy anything you want        *
* wesf@hpdmd48.boi.hp.com *             with a lot of money             *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Newsgroups: rec.autos.tech
From: dkboyd@convex1.tcs.tulane.edu (david boyd)
Subject: Re: Time of the day and Filling up
Nntp-Posting-Host-[nntpd-6571]: convex1.tcs.tulane.edu
Organization: Tulane University, New Orleans, LA
Date: Sun, 4 Oct 1992 05:07:13 GMT

In article <81013@ut-emx.uucp> shoroff@ccwf.cc.utexas.edu (Bart Simpson) writes:
>The question is, Does it matter what time of the day you fill up your gas
>tank? I remember reading in one of the books(Auto repair for Dummies by
>Dana Sclaar ??) that filling up during the colder times of the day gets
>you more gasoline per unit volume you pay for. Seems fairly obvious, but
>what kind of difference are we looking at? Is it just the atmospheric 
>temperature that matters, or is it the temperature of the storage tank 
>underground(in which case you'll have to wait much longer after dark
>for it to cool down). Anyone know the coefficients of thermal expansion
>etc involved?  
>
>OR, Does it make no difference at all? 
>
>Thanks
>Srihari
>-- 
>|A very creative .sig has been ordered.                                      |
>|			Will take 4 to 6 weeks for delivery.                 |
>|----------------------------------------------------------------------------|
>|Wanna get in touch?                                                         | 
>|If you're    -serious: 512 371 7409   -miserly: shoroff@ccwf.cc.utexas.edu  |
>|                 -nuts   : 4413 Speedway #207; Austin, TX 78751          |


The main thing is the temperature of the gasoline.  Since, as you noted, the
fuel tanks at gas stations are underground, there's very little temperature
variation in the fuel over the course of a day.  There's therefore not much of
a difference in the actual volume (or quantity, or mass, or whatever) of
fuel that goes into the tank at different times of the day.

The important temperature-related thing about filling up your tank comes in
when you live in a humid climate (as I do).  It's then more important to
keep your tank close to full when it's possible, because when the outside
air temperature rises the cool gasoline in the tank is like a moisture- 
magnet.  Again, this is more important in humid climes with broad
temperature swings.


Newsgroups: rec.autos.tech
From: welty@cabot.balltown.cma.COM (richard welty)
Subject: Re: DOHC on a V8 possible?
Organization: New York State Institute for Sebastian Cabot Studies
Date: Mon, 5 Oct 1992 21:09:19 GMT

In article <390.88.uupcb@chaos.lrk.ar.us> dave.williams@chaos.lrk.ar.us (Dave Williams)  writes:
>
>-> Awwww, c'mon bob. Vettes haven't had live axles since '62. BMW's
>-> don't have them, T-bird SC's don't have them, Aston Martins,Jags,
>-> Z-cars, Ferraris,Lambos,Porsches,etc...don't have them. Only
>-> Mustangs, F-cars, Are there any others?

><cue in choir music>  Buick Grand National GNX.

note that apparently the definition being used here is focused
on straight line speed; i know of no heavy live axle equipped cars
that have anything even remotely resembling composure on uneven
pavement.  the GNX is rather notorious for being a flying brick.

having said that, i do admit that there are classes of purpose built
close fendered racers that use live rear ends, but the application
area is rather specific, and these cars certainly never see bumpy
`real roads'

>-> Most "higher performance"
>-> cars are unfortunately fitted with FWD.

> There is no such thing as a "high performance" car with front wheel
>drive, unless your definition is limited to limited-edition stripe
>packages and ugly wheels.

so how do you assess the Alfa Romeo 164S sedan?

richard
-- 
richard welty                            518-393-7228
welty@cabot.balltown.cma.com
  ``if you can read this, mario, you're too close''
    -- bumper sticker seen on a CART safety truck
Newsgroups: rec.autos.tech
From: ycheah@hamp.hampshire.edu
Subject: Worn out synchros......WHY?
Organization: Hampshire College
Date: Sat, 26 Sep 1992 04:45:51 GMT


Hi! Those of you who follow this group may be familar with my on going problem
with my '89 Subaru GL 5sp 4WD transmission. (Problem = Gears grind down shifting
into second and third, and upshifting into second. Worse when cold.) I had a 
similar problem with transmission earlier this year and the warranty co.
put a used tranny (this current one) in. I tried to solve this problem by
putting in various tranny oils. But no go. (Clutch is OK.) This time around
I insisted that the warranty co. rebuild the tranny although it will cost me
some bucks. The dealer opened up the tranny and found that the synchros for
first and second, and third and forth were worn out. They all (especially the
one for third) were worn thin. ie. if you placed them flat on a table, 
they are not as "high" as the new ones. 

Question: What on earth could have caused the synchros to wear out this way?
Is this normal wear, or is it a Subaru design defect, or is it coincidental
that I have two in a row that wears out this way?

Yin-Chai

Newsgroups: rec.autos.tech
From: sukenick@sci.ccny.cuny.edu (SYG)
Subject: Re: Cold = Super braking power??
Organization: City College of New York - Science Computing Facility
Date: Tue, 29 Sep 1992 00:09:10 GMT

>>the car to a halt. That's fine, except when the engine warms up, the
>>brakes are noticeably weaker.

>required to stop.  Unless you ride the brakes constantly, I can't
>see how fading would be an issue in regular street driving.

And that is the key to the other possible problem.

It might be possible that the brakes are dragging, and overheating
the pads, so they fade when driven a little bit.   To completely
eliminate this possibility,  try warming up the car for a long
time and then see how the brakes are.   If they are weak, then
it is most likely a vacuum or computer problem.  If they
are good, find out why they are dragging (on a new car@@^%&!$@^)!
Newsgroups: rec.autos.tech