HDTenEightyP/NetNews huggingface dataset:
From: euahac@eua.ericsson.se (Hakan Carlson)
Subject: Re: Heart Rate Monitors: What do you really use?
Organization: Ellemtel Telecom Systems Labs, Stockholm, Sweden
Date: Thu, 13 Aug 1992 08:48:31 GMT

sham@cs.arizona.edu (Shamim Zvonko Mohamed) writes:

>I've decided that it's time to use the Scientific Method in my riding. To help
>me time trial better, I've decided to plunge into HRM land. To those of you
>that use HRMs: What features do you really need? I'm not interested in 45
>segments of target zone start-stop timers and continuous phase of the moon
>readouts direct to PCs with satellite links, just what I need to do good
>intervals.  Do you use the target zone features, like high and low alarms?  The
>guys on my team suggest the basic model with just heart-rate, no alarms, timers
>or memories. Any dissenting opinions? Any recommendations? Any models I should
>absolutely stay away from?

I have been using a HRM for almost four years now. I have one of the first
Polar models. I think that you should get a Polar but stay away from the
1:st generation the new ones are much better. Polar seems to have the best
reputation among HRMs but they are a bit pricey...

I think that a basic model should include atleast target zone with individual
upper and lower alarms(I only use the lower alarm during interval training).
It is also a big plus if the HRM is waterproof, both the transmitter and the
receiver/watch, your HRM is of limited use if you have to roll up the sleeve
of your raincoat to see your current pulse...

If you can afford it do some testing to find out your lactic threshold or
try to do a' home Conconi(sp?) atleast. Please note for best effect these
tests should be repeated atleast a couple of times during both training-
racing-season.

Good luck!!


Hakan Carlson
ELLEMTEL Telecommunication Systems Laboratories
SWEDEN
MAIL: Hakan.Carlson@eua.ericsson.se

Newsgroups: rec.bicycles
From: somerville@BAEPV3.NCSU.EDU (SOMERVILLE)
Subject: Re: Q: What kind of clipless pedals and shoes to buy?
Reply-To: somerville@BAEPV3.NCSU.EDU (SOMERVILLE)
Organization: North Carolina State University
Date: Fri, 14 Aug 1992 10:50:31 GMT

In article <9208122215.AA15310@hplomg.hpl.hp.com>, BRANDT_JOBST/HP1900_01@hplomg.hpl.hp.com writes:
>
>I suspect that because SPD came along after most people had equipped
>themselves with other systems, a certain defensiveness is a natural response.
>Pedals are not cheap but then I wouldn't rush to dissuade others from moving
>into a more convenient pedal system.  What I see in the SPD is that walking,
>which is an important function of shoes has previously been largely ignored.
>SPD finally addresses that aspect and has don it well.  In doing so two
>major concerns are resolved: 1. Normal walking;  2. No cleat wear (from
>walking).  In addition, rotation is adjustable in stiffness and the cleat is
>steel so that engagement is repeatably positive.
>

I have them (525), I like them, I use them, but SPD pedals do not
provide any rotation. That one can adjust the release tension to
a point where the foot can wiggle a bit does not count in my book.
I think sounds misleading to people who might have road pedals (e.g. Mavic) 
that really do provide free rotation independent of the release 
tension.

Despite the lack of rotation, the benefits Jobst mentioned make these pedals
excellent for many applications, including commuting where the most
dangerous part of the ride may be from the building entrance to your
office door (don't ask ;-)). 

--
Garth Somerville
somerville@bae.ncsu.edu
From: mdr@ocf.berkeley.edu (Mike Rogoff)
Newsgroups: rec.bicycles
Subject: Re: PLEASE HELP -- found help, primitive technology
Date: 14 Aug 92 00:22:54 GMT
Distribution: usa
Organization: U.C. Berkeley Open Computing Facility
NNTP-Posting-Host: tempest.berkeley.edu

Well, thanks to all who replied - I understand my derailleur from hell.
In case anyone is curious, apparently the derailleur works because there
is a cable housing fixed between the arm of the derailleur and the frame
so that changing tension on the fixed cable causes the housing to move 
and move the arm.  It seems pretty silly to me, but then again, I never
invented a derailleur, so who the hell am I?  Anyway, if that was what you
were going to tell me, thanks, and don't bother.  Incidentally, anyone
wanna trade derailleurs?  :^)

Thanks again,
  Mike
Organization: University of Maine System
Date: Wednesday, 12 Aug 1992 07:23:34 EDT
From: Cheryl Lynn Lavertu <LAVERTU@MAINE.MAINE.EDU>
Newsgroups: rec.bicycles
Subject: Descending hills

     Another "newbie" question.  I've finally gotten comfortable
with 65-70 mile rides in my attempt to get in shape for a 150-mile,
2-day ride I want to take.  My problem is that I've been riding
mostly on fairly flat routes with just a few small hills.  The
lowest gears on my hybrid haven't even been used yet!  I've found
a big hill that I'd like to train on, since the big ride will be
quite hilly.  The problem is that, although I'm confident that
I can handle the ascent, I'm scared to death at the idea of flying
down the other side. (This is the kind of hill where cars speed
up to about 65 mph upon approach just so they can still be moving
at 35-40 mph at the top).  I have no experience on riding at a
high speed, and am afraid I'll wipe out.  I've seen bikes almost
literally flying down this hill.  There's no curves to worry about,
so what advice can you give me to get over this fear?
 -------------------------------------------------------------
    Cheryl LaVertu, Manager of Funded Accounts
      Maine Agricultural Experiment Station            __~O
      103 Winslow Hall, University of Maine           -\ <,
     Orono, ME  04469      Tel. 207/581-3225        (*)/ (*)
"WORK TO EAT, EAT TO LIVE, LIVE TO BIKE, BIKE TO WORK"
Newsgroups: rec.bicycles
From: mattd@cltr.uq.oz.au (Matthew Deshon)
Subject: Re: MTB for a really big guy
Organization: Centre for Language Teaching and Research, Uni of Queensland, AUSTRALIA.
Date: Thu, 13 Aug 1992 01:49:58 GMT

d3a132@pnl.gov (Carl P Baker) writes:

>In article 1693agINNf91@sixgun.East.Sun.COM, fritz@triguy.East.Sun.COM (Steve Fritzinger - SE Sun Washington,DC.) writes:
>>I have a friend who is looking for a mountain bike.  The
>>problem he is having is that at 6' 6" and >> 300 lbs, he

>Personally, I think 24" is a little big (for a mountain bike)
>for someone 6'6".  Well, OK, 23" would be just about right,
>so 24" isn't that far off.  


I second this - being 6'6" myself (but only 200 lbs), I was 
looking for the biggest MTB frame I could find.  I ended up 
with a 23" Shogun frame that suits my height just fine.  Any
bigger and I could contemplate serious injuries to sensitive parts
during off-road riding.
BTW, I got a beefed-up seat-post when I bought it, and considering
how high it's jacked up for city riding, I think it's a good
investment.

Just my A$1 (which is about US$0.02 given the current exchange rate :-()

matt

Newsgroups: rec.bicycles
From: MEDELMA@cms.cc.wayne.edu (Michael Edelman)
Subject: Re: Descending hills
Organization: Wayne State University, C&IT
Date: Tue, 18 Aug 1992 14:36:34 GMT

In article <1992Aug18.132450.27265@bas-a.bcc.ac.uk>
skaamjm@ucl.ac.uk (Matthew Moore) writes:
 
    [stuff about lead water bottles deleted]
>
>>> One way to get your speed up, I suppose!
>
>er, didnt a geezer called Galileo use the leaning tower of Pisa to
>demonstrate that heavy objects fall at the same speed as light ones?
>(he dropped a cannon ball and a bullet off the top, and they landed
>together.
>
>While the accelaration, and speed should be similar, the momentum will
>differ of course,[ momemtum = mass * velocity ]
>but this will not affect the speed directly, apart
>from providing kinetic energy to overcome losses due to friction).
 
And there's the rub- or lack of it. I asked this question of my pal
Harry, a theoretical phsyicist whom I outweight by a *lot*. (Okay,
80lbs. But he's a little guy...)
 
I can easily coast past him on the downhills though he drops me on the
uphills. It's the force to overcome friction that's important here.
 
       --mike
Newsgroups: rec.bicycles
From: cathyf@is.rice.edu (Catherine Anne Foulston)
Subject: Re: Upgrading a Shimano 600 EX derailler/freewheel
Organization: Rice University
Date: Wed, 12 Aug 1992 19:20:12 GMT

In article <1992Aug5.131549.17366@terminator.cc.umich.edu> pauls@icecreambar.css.itd.umich.edu (Paul Southworth) writes:
>assuredly) which might induce you to have the rear triangle realigned to a  
>wider spacing (if you have a steel bike, of course).

Now there's something I hadn't considered when I got my Quickcross.
Probably I will never need to do this (21 speeds is plenty for me!)
but could I?  The bike has an aluminum main triangle, with cromoly
fork & stays (and lugs? or would they be al?).  So when you widen
the dropouts, does the bending happen in the stays themselves, or
at the stay/lug junction?  I can't really imagine a welded or bonded
area bending, it seems like it would happen near the (lug) end of the
stay, but then I'm fairly clueless about metallurgy.

	Cathy
-- 
Cathy Foulston + Rice University + Network & Systems Support + cathyf@rice.edu
Actually I'm not clueless.  I'm conceptually challenged.
Important rule for out-and-back rides:  what goes down must come up.
From: gustilo@pop-server.upenn.edu
Newsgroups: rec.bicycles
Subject: Where to Buy Nike Cross Terrain II?
Date: 14 Aug 92 03:58:17 GMT
Followup-To: rec.bicycles
Organization: University of Pennsylvania

greetings,

I have heard good things about this shoe and would like to know where it
can be mail ordered.

Are there also other shoes (3/4 high) that are similar in performance?

thanks in advance.

Standard Disclaimer:
  I am not responsible for comments that I make after 3:00 AM or after five
cups of coffee, whichever comes first.
Newsgroups: rec.bicycles
From: jdm@rmtc.Central.Sun.COM (Jim Moore)
Subject: Re: Descending hills
Organization: Sun Microsystems, Inc.
Date: Wed, 12 Aug 92 23:55:03 GMT

canderso@nyx.cs.du.edu (Chuck Anderson) writes:

>> jdm@rmtc.Central.Sun.COM (Jim Moore) writes:
>>If you must break the speed barrier, do it on a road that is safe
>>for the speed.........

>Like one made of 12 inch thick foam rubber?  I don't know what could pass for
>a "safe" road at 55 mph.

I agree. What I meant by "safe" was the road conditions. Dry, fairly
straight, good visibility, not littered with sand/gravel, no pothole gauntlets,
etc., etc. Basically, don't do something wreckless - there are others
that could get hurt besides you. This is all aimed at beginning descenders
or folks trying to set a top speed. Not trying to bore or preach to
the racers out there.

Jim Moore
From: BRANDT_JOBST/HP1900_01@HPLOMG.HPL.HP.COM
Newsgroups: rec.bicycles
Subject: Re: Atlanta '96 : Pro cyclists in ?
Date: 13 Aug 92 21:13:50 GMT

I hear Avery Brundage speaking to us from the grave.  It was he who
preached the amateur concept to keep the untouchables out of the
games.  He preferred to see only the gentlemen athletes, college
educated leisure class participate.  Since those less affluent than
he and his ilk could not afford to play the sport at their own expense,
it was a moderately effective social barrier.  It was a crude invasion
of the rules and the public ate it up the way poor people eat up the
GOP "trickle down theory" believing themselves to be the benefactors
of the scam.

Today, the Olympics are dominated in most events by shamateurs, better
known as full time amateur athletes.  They are either of Mr. Brundage's
design or they are sponsored and effectively professional.  Either way,
the avocational athlete, that we fantasize, does not have a chance to
qualify.  Rare exceptions exist but they do not make the rule.

I enjoyed amateur bicycle racing when bicycling was at an all time low in
the USA,  There were no sponsors and no prizes to speak of.  We bought
our own bikes $150 for a Cinelli SC with tubulars, complete.  I "belonged"
to a club that had no members, officers, rules, or meetings.  The Pedale
Alpini was a group of riders who wore the same jersey and rode everywhere
a bike could go, here and in Europe.  Our "meetings" were bike rides where
we decided what race to put on.  (We still exist as in the beginning, and
still award the finest race trophy in the USA for the Mt. Hamilton Race.)

Later, when sponsors entered the sport we became less able to compete
either in equipment, training or travel expenses.  The amateur events
were replaced by well organized, large, fast bike races.  I was reminded
of this at the recent San Jose pro/am grand prix where the main event had
more than 100 1st class riders and a pace that looked like the last lap
of a short criterium with big prizes.  The real last lap was the fastest
riding I have seen in a long time.  The Olympics deserve no less.

Olympic games should feature the world's best athletes.  These are most
often people who dedicate a large part of their lives to perfecting their
sport, like the gymnasts.  We should expect nothing less in running,
bicycling and other events.  This is, I hope, what we will see in four
years.  If you want to throw in some restrictions let me put in my vote
that only individual sports with individual winners be included.  One
win, one athlete, one medal.  Revolutionary I suppose.

jobst_brandt@hplabs.hp.com
Newsgroups: rec.bicycles
From: jdm@rmtc.Central.Sun.COM (Jim Moore)
Subject: Re: Atlanta '96 : Pro cyclists in ?
Organization: Sun Microsystems, Inc.
Date: Fri, 14 Aug 92 02:19:02 GMT

jtchew@csa3.lbl.gov (JOSEPH T CHEW) writes:

>Now that I've compressed an Olympiad's worth of jingoism and chauvinsim
>into four sentences, what about fairness?  Should there be some kind
>of handicap or weighting, and if so, by what criteria?  Or should the
>Olympics just be unlimited-class open competition, may the best pros 
>win -- and if you don't have access to significant professional
>competition in your sport, tough?

The Olympics is not about fairness it is about excellence. There
have been traditional Olympic athletes that have been just as
dominant as the dream team and no one complained. Edwin Moses couldn't
be beaten in the 400m hurdles for about 10 years and 80 track meets!
Greg Luganis was in a class by himself. Carl Lewis in the long jump.
And these are just the American examples. How about the Cuban boxer
(Stephenson?) or the Soviet weight lifter (Alexis or something).
When an athlete or team is so dominant, it sets the stage for 
magnificient upsets. I think the '80 US hockey team beating the
Soviets was close to a dream team upset. If Croatia would have hung
in there and beat the dream team, they would have been national heros.

I certainly wouldn't want to diminish excellence for the sake of
fairness. Dynasties and dominant athletes are part of sports. When
they do eventually lose, somebody gets to be real happy and that tends
to balance the lack of competition.

jim
From: BRANDT_JOBST/HP1900_01@HPLOMG.HPL.HP.COM
Newsgroups: rec.bicycles
Subject: Re:Re: Dual pivot calipers (?)
Date: 19 Aug 92 17:44:04 GMT

Tom Kunich writes:

> How about because they are twice as powerful, need only a finger to
> actuate and are much easier to adjust?
>
> Hey, if you prefer cantilevers, fine. But those dual pivots are the
> finest brakes I've used by a large margin.

How about not jumping to conclusions.  All brake calipers and cantilevers,
etc have the same mechanical advantage as they must since they are not
operated by an arbitrary power source.  Without power assist, all brakes
have the same constraints of finger stroke to pad movement.  In this
respect, hand levers have a ratio of 4:1 and "calipers" 1:1.  Of course,
this is an average because the Delta brake, for instance, has a non
linear ratio as do others like certain cantilevers.  However, the median
ratio is 1:1.

What is different is the amount of sponge.. how much the brake lever can
be moved per unit of force after the pad has fully contacted the rim.
This varies enormously from one model to the next.  It is this feature
that makes great differences in brake response and effectiveness.

The dual pivot is actually a fix for the dragging brake syndrome in that
it is a centered brake.  It always opens equally to both sides.  Its
weakness is that it cannot track a wobbly rim (one with a broken spoke)
because it is not free to swing from side to side when applied.  It
locks up when the wheel wobble tries to pass.

One of the features that make these newer brakes feel so much better is
that the return spring is not only in the caliper as, for instance, in
old Campagnolo Record brakes, but 1/2 in the caliper and 1/2 in the
hand lever.  This gives a snappy return with half the cable tension
and therefore, half the cable drag.  This does not affect brake
efficiency on hard applications because the difference in cable
friction is only minimally different.

So don't jump to conclusions on the basis of advertising claims.

jobst_brandt@hplabs.hp.com
From: crwg2707@uxa.cso.uiuc.edu (R. Wagner)
Newsgroups: rec.bicycles
Subject: Re: Truck bed racks
Date: 19 Aug 92 20:43:24 GMT
Article-I.D.: news.Bt908D.En8
Organization: University of Illinois at Urbana


Personally, I used 2 four inch door hinges and old QR skewers mounted on a 
2X4 frame.  It works well and cost about $4.


Ride on, 
Raydude.

"Ray, a man unburdened by the rigors of coherent thought." 
          -a Brannonism quoted by George Heinz
Newsgroups: rec.bicycles
From: crwg2707@uxa.cso.uiuc.edu (R. Wagner)
Subject: Re: Truck bed racks
Organization: University of Illinois at Urbana
Date: Tue, 18 Aug 1992 13:30:49 GMT

frankb@hpsad.sad.hp.com (Frank Ball) writes:
> [quest for truck bed rack]

>Why not forget the rack and use motorcycle tie downs?  They are the 
>cheapest solution.  There is nothing left in the bed when the bikes
>aren't there.  You don't have to remove the front wheels.  You can
>get cheap ones for around $10 a set.  You can fit up to 3 bikes in most
>trucks.

>Frank Ball   1UR-M          frankb@hpsad.sad.hp.com
>Hewlett Packard   
>1212 Valley House Drive     (707) 794-4168 work  (707) 538-3693 home
>Rohnert Park CA 94928-4999  KC6WUG Seca 750 XT350 IT175 DoD#7566 I'm the NRA.

This is a good idea, unless you have a topper.  If you do it doesn't really
matter because you can lock it anyway.  If not, the motorcycle tie-downs are
very quick, very easy, and stow behind the seat.  I have been all but totally
"four wheelin" with 3 bikes in a Nissan 4X4 and they were stable.


Ride on, 
Raydude.

"Ray, a man unburdened by the rigors of coherent thought." 
          -a Brannonism quoted by George Heinz

Newsgroups: rec.bicycles
From: bgeer@javelin.sim.es.com (Bob Geer)
Subject: Re: Trispokes
Reply-To: bgeer@javelin.sim.es.com
Organization: Evans & Sutherland Computer Corporation
Date: Fri, 21 Aug 1992 22:25:25 GMT

praetzel@marconi.uwaterloo.ca (Eric Praetzel) writes:

>I think that Jobst is playing the part of an overly sqare, sqare-head.
                                                     ^^^^^

Between "spyglass" & "squab", I can't find this word anywhere in my
dictionary.

>I think that they day will come when trispokes are common place in a
>lot of areas.  Quite a few wheel chairs use them because they are cheaper

I haven't seen one of these yet.

-- 
<> Bob `Bear' Geer <>  bgeer@beorn.sim.es.com                           /  <>
<>                 <>   (this *often* works)       __o      o   ,______/o  <>
<> Salt Lake City, <>  speaking only for myself,  -\<,     <\   ,__/   >   <>
<>          Ootah  <>  one of my many tricks      O/ O  __ /__,       /    <>
Newsgroups: rec.bicycles
From: tan@lynx.msc.cornell.edu.UUCP (David Tan,Box 219 Baker Lab,54810,2720402)
Subject: Re: Chain Cleaners
Originator: tan@msc2.msc.cornell.edu
Organization: Cornell-Materials-Science-Center
Date: Wed, 19 Aug 1992 15:20:08 GMT

From article <1992Aug18.131132.8736@iccgcc.decnet.ab.com>, by caseb@iccgcc.decnet.ab.com:
> What is citrus degreaser made of?  If it's just citric acid it would
> be easy and cheap to make a homemade solution.
> 
Citrus degreasers are made from the essential oils of citrus fruits, mostly
d-limonene, to be precise (citric acid is a pretty lousy solvent.)  d-limonene
is what gives oranges, lemons, whatnot their characteristic fresh, somewhat
tangy scent.

Essential oils not only provide the characteristic scents of many plants
(rose, cedar, ginger, sandalwood, and mint, to name a VERY few,) they also
tend to be good solvents (turpentine is such an oil.)  

If, like Voltaire's Greeks and Egyptians, you care to split hairs into four,
essential oils belong to a class of compounds called terpenes.  d-limonene
(or d-4-isopropenyl-1-methylcyclohexene), for example, has the following
structure:

			1'
			|
		   	1
		       / \\
		      6   2
		      |   |
		      5   3
		       \ /
			4
		        |
			3'
		       / \\
		     2'   4'

where there are carbon atoms at each of the numbered sites, and where the
(double) slashes are (double) chemical bonds.  There are also 3 hydrogen
atoms attached to the 1' carbon (the CH_3 group is called a methyl group)
and to the 2' carbon (2'3'4' comprise an isopropene group).  There are
2 hydrogens each on 3,5,6, and 1 hydrogen each on 2 and 4.  (the numbering
and nomenclature are intended to be informative, not systematic.)  There
are two ways the hydrogen on 4 (called a chiral center) can attach: above
the plane of the drawing (more or less) or below.  The two configurations 
give rise to two different compounds (enantiomers, if you want to split
hairs into eight) with the same composition and skeletal structure.  One
is called d-limonene (d for dextro), the other l-limonene (l for laevo;
d and l refer to the way each enantiomer changes the polarization of
light impinging on it.)  How can you tell the difference?  Put them in a
polarimeter, or...take a sniff.  d-limonene smells like oranges, l-limonene
doesn't smell like much (if I remember correctly!)

Be a little careful when using concentrated essential oils: I remember seeing
a list of plastics, and compounds that would dissolve them.  It turns out that
orange (and other) oils are good solvents for a wide array of plastics, so
don't use the stuff on everything.

Hope this helps... :)

Dave


> Brian Case
From: kim39@husc8.harvard.edu (John Kim)
Newsgroups: rec.bicycles
Subject: Re: Bike Nashbar and AVia sport/Fitness shoes: Update
Date: 20 Aug 92 02:28:21 GMT
Article-I.D.: husc3.1992Aug19.222822.14926
Distribution: na
Organization: Harvard University Science Center

@husc3.harvard.edu> kim39@scws3.harvard.edu (John Kim) writes:
>	I made a mistake in referring to these shoes.  I called
>them the Avia AV50.  They are in fact the Avia AC50 Sport Fitness
>shoe.
>	Nashbar says they shipped my shoes (size 13) last Friday
>(8/14/92).  They are still out of size 12 but have them scheduled
>for delivery on September 1.  Last time they gave me a delivery
>date the size-13 shoes came in one day after they had predicted
>for delivery.

	Shoes arrived yesterday.  had some troulbe securing the cleats
because either the sole was thick or the bolts were short (couldn
find the two sets of bolts which supposedly come with the cleats).

	They are very nice for walking, though not as sure-footed
or laterally stable as regular sneakers.  Great when going up
stairs but sometimes click or slip when going down stairs, because
my big size 13 boat-feet cause the edge of the stair to hit
about the non-treaded area of the sole when descending stairs.
As Pamala Blalock said, they are comfortable, if a bit warm during
the summer.  They do run small.  I normally wear size 12 sneakers
and size 11.5 cycling shoes and size 12.5 would be about right
for me and these Avia shoes.  Unfortunatley they don't exist in
12.5.  Pretty good strapping system.  However, when strapped won
down tightly, the velcro on the straps catches on rugs and carpets
if I lounge around inside.

	We'll see if these replace my regular treacherous
cycling shoes as the shoe I wear on most rides.
-Case

P.S. Thanks to Pamela Blalock
and to Mr. Van Horn at MIcrosoft for recommending these
shoes.
 
Newsgroups: rec.bicycles